libpmc.c revision 328837
1/*- 2 * Copyright (c) 2003-2008 Joseph Koshy 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: stable/11/lib/libpmc/libpmc.c 328837 2018-02-04 03:15:06Z jhibbits $"); 29 30#include <sys/types.h> 31#include <sys/param.h> 32#include <sys/module.h> 33#include <sys/pmc.h> 34#include <sys/syscall.h> 35 36#include <ctype.h> 37#include <errno.h> 38#include <fcntl.h> 39#include <pmc.h> 40#include <stdio.h> 41#include <stdlib.h> 42#include <string.h> 43#include <strings.h> 44#include <unistd.h> 45 46#include "libpmcinternal.h" 47 48/* Function prototypes */ 49#if defined(__i386__) 50static int k7_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 51 struct pmc_op_pmcallocate *_pmc_config); 52#endif 53#if defined(__amd64__) || defined(__i386__) 54static int iaf_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 55 struct pmc_op_pmcallocate *_pmc_config); 56static int iap_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 57 struct pmc_op_pmcallocate *_pmc_config); 58static int ucf_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 59 struct pmc_op_pmcallocate *_pmc_config); 60static int ucp_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 61 struct pmc_op_pmcallocate *_pmc_config); 62static int k8_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 63 struct pmc_op_pmcallocate *_pmc_config); 64static int p4_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 65 struct pmc_op_pmcallocate *_pmc_config); 66#endif 67#if defined(__i386__) 68static int p5_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 69 struct pmc_op_pmcallocate *_pmc_config); 70static int p6_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 71 struct pmc_op_pmcallocate *_pmc_config); 72#endif 73#if defined(__amd64__) || defined(__i386__) 74static int tsc_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 75 struct pmc_op_pmcallocate *_pmc_config); 76#endif 77#if defined(__arm__) 78#if defined(__XSCALE__) 79static int xscale_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 80 struct pmc_op_pmcallocate *_pmc_config); 81#endif 82static int armv7_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 83 struct pmc_op_pmcallocate *_pmc_config); 84#endif 85#if defined(__aarch64__) 86static int arm64_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 87 struct pmc_op_pmcallocate *_pmc_config); 88#endif 89#if defined(__mips__) 90static int mips_allocate_pmc(enum pmc_event _pe, char* ctrspec, 91 struct pmc_op_pmcallocate *_pmc_config); 92#endif /* __mips__ */ 93static int soft_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 94 struct pmc_op_pmcallocate *_pmc_config); 95 96#if defined(__powerpc__) 97static int powerpc_allocate_pmc(enum pmc_event _pe, char* ctrspec, 98 struct pmc_op_pmcallocate *_pmc_config); 99#endif /* __powerpc__ */ 100 101#define PMC_CALL(cmd, params) \ 102 syscall(pmc_syscall, PMC_OP_##cmd, (params)) 103 104/* 105 * Event aliases provide a way for the user to ask for generic events 106 * like "cache-misses", or "instructions-retired". These aliases are 107 * mapped to the appropriate canonical event descriptions using a 108 * lookup table. 109 */ 110struct pmc_event_alias { 111 const char *pm_alias; 112 const char *pm_spec; 113}; 114 115static const struct pmc_event_alias *pmc_mdep_event_aliases; 116 117/* 118 * The pmc_event_descr structure maps symbolic names known to the user 119 * to integer codes used by the PMC KLD. 120 */ 121struct pmc_event_descr { 122 const char *pm_ev_name; 123 enum pmc_event pm_ev_code; 124}; 125 126/* 127 * The pmc_class_descr structure maps class name prefixes for 128 * event names to event tables and other PMC class data. 129 */ 130struct pmc_class_descr { 131 const char *pm_evc_name; 132 size_t pm_evc_name_size; 133 enum pmc_class pm_evc_class; 134 const struct pmc_event_descr *pm_evc_event_table; 135 size_t pm_evc_event_table_size; 136 int (*pm_evc_allocate_pmc)(enum pmc_event _pe, 137 char *_ctrspec, struct pmc_op_pmcallocate *_pa); 138}; 139 140#define PMC_TABLE_SIZE(N) (sizeof(N)/sizeof(N[0])) 141#define PMC_EVENT_TABLE_SIZE(N) PMC_TABLE_SIZE(N##_event_table) 142 143#undef __PMC_EV 144#define __PMC_EV(C,N) { #N, PMC_EV_ ## C ## _ ## N }, 145 146/* 147 * PMC_CLASSDEP_TABLE(NAME, CLASS) 148 * 149 * Define a table mapping event names and aliases to HWPMC event IDs. 150 */ 151#define PMC_CLASSDEP_TABLE(N, C) \ 152 static const struct pmc_event_descr N##_event_table[] = \ 153 { \ 154 __PMC_EV_##C() \ 155 } 156 157PMC_CLASSDEP_TABLE(iaf, IAF); 158PMC_CLASSDEP_TABLE(k7, K7); 159PMC_CLASSDEP_TABLE(k8, K8); 160PMC_CLASSDEP_TABLE(p4, P4); 161PMC_CLASSDEP_TABLE(p5, P5); 162PMC_CLASSDEP_TABLE(p6, P6); 163PMC_CLASSDEP_TABLE(xscale, XSCALE); 164PMC_CLASSDEP_TABLE(armv7, ARMV7); 165PMC_CLASSDEP_TABLE(armv8, ARMV8); 166PMC_CLASSDEP_TABLE(mips24k, MIPS24K); 167PMC_CLASSDEP_TABLE(mips74k, MIPS74K); 168PMC_CLASSDEP_TABLE(octeon, OCTEON); 169PMC_CLASSDEP_TABLE(ucf, UCF); 170PMC_CLASSDEP_TABLE(ppc7450, PPC7450); 171PMC_CLASSDEP_TABLE(ppc970, PPC970); 172PMC_CLASSDEP_TABLE(e500, E500); 173 174static struct pmc_event_descr soft_event_table[PMC_EV_DYN_COUNT]; 175 176#undef __PMC_EV_ALIAS 177#define __PMC_EV_ALIAS(N,CODE) { N, PMC_EV_##CODE }, 178 179static const struct pmc_event_descr atom_event_table[] = 180{ 181 __PMC_EV_ALIAS_ATOM() 182}; 183 184static const struct pmc_event_descr atom_silvermont_event_table[] = 185{ 186 __PMC_EV_ALIAS_ATOM_SILVERMONT() 187}; 188 189static const struct pmc_event_descr core_event_table[] = 190{ 191 __PMC_EV_ALIAS_CORE() 192}; 193 194 195static const struct pmc_event_descr core2_event_table[] = 196{ 197 __PMC_EV_ALIAS_CORE2() 198}; 199 200static const struct pmc_event_descr corei7_event_table[] = 201{ 202 __PMC_EV_ALIAS_COREI7() 203}; 204 205static const struct pmc_event_descr nehalem_ex_event_table[] = 206{ 207 __PMC_EV_ALIAS_COREI7() 208}; 209 210static const struct pmc_event_descr haswell_event_table[] = 211{ 212 __PMC_EV_ALIAS_HASWELL() 213}; 214 215static const struct pmc_event_descr haswell_xeon_event_table[] = 216{ 217 __PMC_EV_ALIAS_HASWELL_XEON() 218}; 219 220static const struct pmc_event_descr broadwell_event_table[] = 221{ 222 __PMC_EV_ALIAS_BROADWELL() 223}; 224 225static const struct pmc_event_descr broadwell_xeon_event_table[] = 226{ 227 __PMC_EV_ALIAS_BROADWELL_XEON() 228}; 229 230static const struct pmc_event_descr skylake_event_table[] = 231{ 232 __PMC_EV_ALIAS_SKYLAKE() 233}; 234 235static const struct pmc_event_descr skylake_xeon_event_table[] = 236{ 237 __PMC_EV_ALIAS_SKYLAKE_XEON() 238}; 239 240static const struct pmc_event_descr ivybridge_event_table[] = 241{ 242 __PMC_EV_ALIAS_IVYBRIDGE() 243}; 244 245static const struct pmc_event_descr ivybridge_xeon_event_table[] = 246{ 247 __PMC_EV_ALIAS_IVYBRIDGE_XEON() 248}; 249 250static const struct pmc_event_descr sandybridge_event_table[] = 251{ 252 __PMC_EV_ALIAS_SANDYBRIDGE() 253}; 254 255static const struct pmc_event_descr sandybridge_xeon_event_table[] = 256{ 257 __PMC_EV_ALIAS_SANDYBRIDGE_XEON() 258}; 259 260static const struct pmc_event_descr westmere_event_table[] = 261{ 262 __PMC_EV_ALIAS_WESTMERE() 263}; 264 265static const struct pmc_event_descr westmere_ex_event_table[] = 266{ 267 __PMC_EV_ALIAS_WESTMERE() 268}; 269 270static const struct pmc_event_descr corei7uc_event_table[] = 271{ 272 __PMC_EV_ALIAS_COREI7UC() 273}; 274 275static const struct pmc_event_descr haswelluc_event_table[] = 276{ 277 __PMC_EV_ALIAS_HASWELLUC() 278}; 279 280static const struct pmc_event_descr broadwelluc_event_table[] = 281{ 282 __PMC_EV_ALIAS_BROADWELLUC() 283}; 284 285static const struct pmc_event_descr sandybridgeuc_event_table[] = 286{ 287 __PMC_EV_ALIAS_SANDYBRIDGEUC() 288}; 289 290static const struct pmc_event_descr westmereuc_event_table[] = 291{ 292 __PMC_EV_ALIAS_WESTMEREUC() 293}; 294 295static const struct pmc_event_descr cortex_a8_event_table[] = 296{ 297 __PMC_EV_ALIAS_ARMV7_CORTEX_A8() 298}; 299 300static const struct pmc_event_descr cortex_a9_event_table[] = 301{ 302 __PMC_EV_ALIAS_ARMV7_CORTEX_A9() 303}; 304 305static const struct pmc_event_descr cortex_a53_event_table[] = 306{ 307 __PMC_EV_ALIAS_ARMV8_CORTEX_A53() 308}; 309 310static const struct pmc_event_descr cortex_a57_event_table[] = 311{ 312 __PMC_EV_ALIAS_ARMV8_CORTEX_A57() 313}; 314 315/* 316 * PMC_MDEP_TABLE(NAME, PRIMARYCLASS, ADDITIONAL_CLASSES...) 317 * 318 * Map a CPU to the PMC classes it supports. 319 */ 320#define PMC_MDEP_TABLE(N,C,...) \ 321 static const enum pmc_class N##_pmc_classes[] = { \ 322 PMC_CLASS_##C, __VA_ARGS__ \ 323 } 324 325PMC_MDEP_TABLE(atom, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 326PMC_MDEP_TABLE(atom_silvermont, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 327PMC_MDEP_TABLE(core, IAP, PMC_CLASS_SOFT, PMC_CLASS_TSC); 328PMC_MDEP_TABLE(core2, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 329PMC_MDEP_TABLE(corei7, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 330PMC_MDEP_TABLE(nehalem_ex, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 331PMC_MDEP_TABLE(haswell, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 332PMC_MDEP_TABLE(haswell_xeon, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 333PMC_MDEP_TABLE(broadwell, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 334PMC_MDEP_TABLE(broadwell_xeon, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 335PMC_MDEP_TABLE(skylake, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 336PMC_MDEP_TABLE(skylake_xeon, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 337PMC_MDEP_TABLE(ivybridge, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 338PMC_MDEP_TABLE(ivybridge_xeon, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 339PMC_MDEP_TABLE(sandybridge, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 340PMC_MDEP_TABLE(sandybridge_xeon, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 341PMC_MDEP_TABLE(westmere, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 342PMC_MDEP_TABLE(westmere_ex, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 343PMC_MDEP_TABLE(k7, K7, PMC_CLASS_SOFT, PMC_CLASS_TSC); 344PMC_MDEP_TABLE(k8, K8, PMC_CLASS_SOFT, PMC_CLASS_TSC); 345PMC_MDEP_TABLE(p4, P4, PMC_CLASS_SOFT, PMC_CLASS_TSC); 346PMC_MDEP_TABLE(p5, P5, PMC_CLASS_SOFT, PMC_CLASS_TSC); 347PMC_MDEP_TABLE(p6, P6, PMC_CLASS_SOFT, PMC_CLASS_TSC); 348PMC_MDEP_TABLE(xscale, XSCALE, PMC_CLASS_SOFT, PMC_CLASS_XSCALE); 349PMC_MDEP_TABLE(cortex_a8, ARMV7, PMC_CLASS_SOFT, PMC_CLASS_ARMV7); 350PMC_MDEP_TABLE(cortex_a9, ARMV7, PMC_CLASS_SOFT, PMC_CLASS_ARMV7); 351PMC_MDEP_TABLE(cortex_a53, ARMV8, PMC_CLASS_SOFT, PMC_CLASS_ARMV8); 352PMC_MDEP_TABLE(cortex_a57, ARMV8, PMC_CLASS_SOFT, PMC_CLASS_ARMV8); 353PMC_MDEP_TABLE(mips24k, MIPS24K, PMC_CLASS_SOFT, PMC_CLASS_MIPS24K); 354PMC_MDEP_TABLE(mips74k, MIPS74K, PMC_CLASS_SOFT, PMC_CLASS_MIPS74K); 355PMC_MDEP_TABLE(octeon, OCTEON, PMC_CLASS_SOFT, PMC_CLASS_OCTEON); 356PMC_MDEP_TABLE(ppc7450, PPC7450, PMC_CLASS_SOFT, PMC_CLASS_PPC7450, PMC_CLASS_TSC); 357PMC_MDEP_TABLE(ppc970, PPC970, PMC_CLASS_SOFT, PMC_CLASS_PPC970, PMC_CLASS_TSC); 358PMC_MDEP_TABLE(e500, E500, PMC_CLASS_SOFT, PMC_CLASS_E500, PMC_CLASS_TSC); 359PMC_MDEP_TABLE(generic, SOFT, PMC_CLASS_SOFT); 360 361static const struct pmc_event_descr tsc_event_table[] = 362{ 363 __PMC_EV_TSC() 364}; 365 366#undef PMC_CLASS_TABLE_DESC 367#define PMC_CLASS_TABLE_DESC(NAME, CLASS, EVENTS, ALLOCATOR) \ 368static const struct pmc_class_descr NAME##_class_table_descr = \ 369 { \ 370 .pm_evc_name = #CLASS "-", \ 371 .pm_evc_name_size = sizeof(#CLASS "-") - 1, \ 372 .pm_evc_class = PMC_CLASS_##CLASS , \ 373 .pm_evc_event_table = EVENTS##_event_table , \ 374 .pm_evc_event_table_size = \ 375 PMC_EVENT_TABLE_SIZE(EVENTS), \ 376 .pm_evc_allocate_pmc = ALLOCATOR##_allocate_pmc \ 377 } 378 379#if defined(__i386__) || defined(__amd64__) 380PMC_CLASS_TABLE_DESC(iaf, IAF, iaf, iaf); 381PMC_CLASS_TABLE_DESC(atom, IAP, atom, iap); 382PMC_CLASS_TABLE_DESC(atom_silvermont, IAP, atom_silvermont, iap); 383PMC_CLASS_TABLE_DESC(core, IAP, core, iap); 384PMC_CLASS_TABLE_DESC(core2, IAP, core2, iap); 385PMC_CLASS_TABLE_DESC(corei7, IAP, corei7, iap); 386PMC_CLASS_TABLE_DESC(nehalem_ex, IAP, nehalem_ex, iap); 387PMC_CLASS_TABLE_DESC(haswell, IAP, haswell, iap); 388PMC_CLASS_TABLE_DESC(haswell_xeon, IAP, haswell_xeon, iap); 389PMC_CLASS_TABLE_DESC(broadwell, IAP, broadwell, iap); 390PMC_CLASS_TABLE_DESC(broadwell_xeon, IAP, broadwell_xeon, iap); 391PMC_CLASS_TABLE_DESC(skylake, IAP, skylake, iap); 392PMC_CLASS_TABLE_DESC(skylake_xeon, IAP, skylake_xeon, iap); 393PMC_CLASS_TABLE_DESC(ivybridge, IAP, ivybridge, iap); 394PMC_CLASS_TABLE_DESC(ivybridge_xeon, IAP, ivybridge_xeon, iap); 395PMC_CLASS_TABLE_DESC(sandybridge, IAP, sandybridge, iap); 396PMC_CLASS_TABLE_DESC(sandybridge_xeon, IAP, sandybridge_xeon, iap); 397PMC_CLASS_TABLE_DESC(westmere, IAP, westmere, iap); 398PMC_CLASS_TABLE_DESC(westmere_ex, IAP, westmere_ex, iap); 399PMC_CLASS_TABLE_DESC(ucf, UCF, ucf, ucf); 400PMC_CLASS_TABLE_DESC(corei7uc, UCP, corei7uc, ucp); 401PMC_CLASS_TABLE_DESC(haswelluc, UCP, haswelluc, ucp); 402PMC_CLASS_TABLE_DESC(broadwelluc, UCP, broadwelluc, ucp); 403PMC_CLASS_TABLE_DESC(sandybridgeuc, UCP, sandybridgeuc, ucp); 404PMC_CLASS_TABLE_DESC(westmereuc, UCP, westmereuc, ucp); 405#endif 406#if defined(__i386__) 407PMC_CLASS_TABLE_DESC(k7, K7, k7, k7); 408#endif 409#if defined(__i386__) || defined(__amd64__) 410PMC_CLASS_TABLE_DESC(k8, K8, k8, k8); 411PMC_CLASS_TABLE_DESC(p4, P4, p4, p4); 412#endif 413#if defined(__i386__) 414PMC_CLASS_TABLE_DESC(p5, P5, p5, p5); 415PMC_CLASS_TABLE_DESC(p6, P6, p6, p6); 416#endif 417#if defined(__i386__) || defined(__amd64__) 418PMC_CLASS_TABLE_DESC(tsc, TSC, tsc, tsc); 419#endif 420#if defined(__arm__) 421#if defined(__XSCALE__) 422PMC_CLASS_TABLE_DESC(xscale, XSCALE, xscale, xscale); 423#endif 424PMC_CLASS_TABLE_DESC(cortex_a8, ARMV7, cortex_a8, armv7); 425PMC_CLASS_TABLE_DESC(cortex_a9, ARMV7, cortex_a9, armv7); 426#endif 427#if defined(__aarch64__) 428PMC_CLASS_TABLE_DESC(cortex_a53, ARMV8, cortex_a53, arm64); 429PMC_CLASS_TABLE_DESC(cortex_a57, ARMV8, cortex_a57, arm64); 430#endif 431#if defined(__mips__) 432PMC_CLASS_TABLE_DESC(mips24k, MIPS24K, mips24k, mips); 433PMC_CLASS_TABLE_DESC(mips74k, MIPS74K, mips74k, mips); 434PMC_CLASS_TABLE_DESC(octeon, OCTEON, octeon, mips); 435#endif /* __mips__ */ 436#if defined(__powerpc__) 437PMC_CLASS_TABLE_DESC(ppc7450, PPC7450, ppc7450, powerpc); 438PMC_CLASS_TABLE_DESC(ppc970, PPC970, ppc970, powerpc); 439PMC_CLASS_TABLE_DESC(e500, E500, e500, powerpc); 440#endif 441 442static struct pmc_class_descr soft_class_table_descr = 443{ 444 .pm_evc_name = "SOFT-", 445 .pm_evc_name_size = sizeof("SOFT-") - 1, 446 .pm_evc_class = PMC_CLASS_SOFT, 447 .pm_evc_event_table = NULL, 448 .pm_evc_event_table_size = 0, 449 .pm_evc_allocate_pmc = soft_allocate_pmc 450}; 451 452#undef PMC_CLASS_TABLE_DESC 453 454static const struct pmc_class_descr **pmc_class_table; 455#define PMC_CLASS_TABLE_SIZE cpu_info.pm_nclass 456 457static const enum pmc_class *pmc_mdep_class_list; 458static size_t pmc_mdep_class_list_size; 459 460/* 461 * Mapping tables, mapping enumeration values to human readable 462 * strings. 463 */ 464 465static const char * pmc_capability_names[] = { 466#undef __PMC_CAP 467#define __PMC_CAP(N,V,D) #N , 468 __PMC_CAPS() 469}; 470 471struct pmc_class_map { 472 enum pmc_class pm_class; 473 const char *pm_name; 474}; 475 476static const struct pmc_class_map pmc_class_names[] = { 477#undef __PMC_CLASS 478#define __PMC_CLASS(S,V,D) { .pm_class = PMC_CLASS_##S, .pm_name = #S } , 479 __PMC_CLASSES() 480}; 481 482struct pmc_cputype_map { 483 enum pmc_cputype pm_cputype; 484 const char *pm_name; 485}; 486 487static const struct pmc_cputype_map pmc_cputype_names[] = { 488#undef __PMC_CPU 489#define __PMC_CPU(S, V, D) { .pm_cputype = PMC_CPU_##S, .pm_name = #S } , 490 __PMC_CPUS() 491}; 492 493static const char * pmc_disposition_names[] = { 494#undef __PMC_DISP 495#define __PMC_DISP(D) #D , 496 __PMC_DISPOSITIONS() 497}; 498 499static const char * pmc_mode_names[] = { 500#undef __PMC_MODE 501#define __PMC_MODE(M,N) #M , 502 __PMC_MODES() 503}; 504 505static const char * pmc_state_names[] = { 506#undef __PMC_STATE 507#define __PMC_STATE(S) #S , 508 __PMC_STATES() 509}; 510 511/* 512 * Filled in by pmc_init(). 513 */ 514static int pmc_syscall = -1; 515static struct pmc_cpuinfo cpu_info; 516static struct pmc_op_getdyneventinfo soft_event_info; 517 518/* Event masks for events */ 519struct pmc_masks { 520 const char *pm_name; 521 const uint64_t pm_value; 522}; 523#define PMCMASK(N,V) { .pm_name = #N, .pm_value = (V) } 524#define NULLMASK { .pm_name = NULL } 525 526#if defined(__amd64__) || defined(__i386__) 527static int 528pmc_parse_mask(const struct pmc_masks *pmask, char *p, uint64_t *evmask) 529{ 530 const struct pmc_masks *pm; 531 char *q, *r; 532 int c; 533 534 if (pmask == NULL) /* no mask keywords */ 535 return (-1); 536 q = strchr(p, '='); /* skip '=' */ 537 if (*++q == '\0') /* no more data */ 538 return (-1); 539 c = 0; /* count of mask keywords seen */ 540 while ((r = strsep(&q, "+")) != NULL) { 541 for (pm = pmask; pm->pm_name && strcasecmp(r, pm->pm_name); 542 pm++) 543 ; 544 if (pm->pm_name == NULL) /* not found */ 545 return (-1); 546 *evmask |= pm->pm_value; 547 c++; 548 } 549 return (c); 550} 551#endif 552 553#define KWMATCH(p,kw) (strcasecmp((p), (kw)) == 0) 554#define KWPREFIXMATCH(p,kw) (strncasecmp((p), (kw), sizeof((kw)) - 1) == 0) 555#define EV_ALIAS(N,S) { .pm_alias = N, .pm_spec = S } 556 557#if defined(__i386__) 558 559/* 560 * AMD K7 (Athlon) CPUs. 561 */ 562 563static struct pmc_event_alias k7_aliases[] = { 564 EV_ALIAS("branches", "k7-retired-branches"), 565 EV_ALIAS("branch-mispredicts", "k7-retired-branches-mispredicted"), 566 EV_ALIAS("cycles", "tsc"), 567 EV_ALIAS("dc-misses", "k7-dc-misses"), 568 EV_ALIAS("ic-misses", "k7-ic-misses"), 569 EV_ALIAS("instructions", "k7-retired-instructions"), 570 EV_ALIAS("interrupts", "k7-hardware-interrupts"), 571 EV_ALIAS(NULL, NULL) 572}; 573 574#define K7_KW_COUNT "count" 575#define K7_KW_EDGE "edge" 576#define K7_KW_INV "inv" 577#define K7_KW_OS "os" 578#define K7_KW_UNITMASK "unitmask" 579#define K7_KW_USR "usr" 580 581static int 582k7_allocate_pmc(enum pmc_event pe, char *ctrspec, 583 struct pmc_op_pmcallocate *pmc_config) 584{ 585 char *e, *p, *q; 586 int c, has_unitmask; 587 uint32_t count, unitmask; 588 589 pmc_config->pm_md.pm_amd.pm_amd_config = 0; 590 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 591 592 if (pe == PMC_EV_K7_DC_REFILLS_FROM_L2 || 593 pe == PMC_EV_K7_DC_REFILLS_FROM_SYSTEM || 594 pe == PMC_EV_K7_DC_WRITEBACKS) { 595 has_unitmask = 1; 596 unitmask = AMD_PMC_UNITMASK_MOESI; 597 } else 598 unitmask = has_unitmask = 0; 599 600 while ((p = strsep(&ctrspec, ",")) != NULL) { 601 if (KWPREFIXMATCH(p, K7_KW_COUNT "=")) { 602 q = strchr(p, '='); 603 if (*++q == '\0') /* skip '=' */ 604 return (-1); 605 606 count = strtol(q, &e, 0); 607 if (e == q || *e != '\0') 608 return (-1); 609 610 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 611 pmc_config->pm_md.pm_amd.pm_amd_config |= 612 AMD_PMC_TO_COUNTER(count); 613 614 } else if (KWMATCH(p, K7_KW_EDGE)) { 615 pmc_config->pm_caps |= PMC_CAP_EDGE; 616 } else if (KWMATCH(p, K7_KW_INV)) { 617 pmc_config->pm_caps |= PMC_CAP_INVERT; 618 } else if (KWMATCH(p, K7_KW_OS)) { 619 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 620 } else if (KWPREFIXMATCH(p, K7_KW_UNITMASK "=")) { 621 if (has_unitmask == 0) 622 return (-1); 623 unitmask = 0; 624 q = strchr(p, '='); 625 if (*++q == '\0') /* skip '=' */ 626 return (-1); 627 628 while ((c = tolower(*q++)) != 0) 629 if (c == 'm') 630 unitmask |= AMD_PMC_UNITMASK_M; 631 else if (c == 'o') 632 unitmask |= AMD_PMC_UNITMASK_O; 633 else if (c == 'e') 634 unitmask |= AMD_PMC_UNITMASK_E; 635 else if (c == 's') 636 unitmask |= AMD_PMC_UNITMASK_S; 637 else if (c == 'i') 638 unitmask |= AMD_PMC_UNITMASK_I; 639 else if (c == '+') 640 continue; 641 else 642 return (-1); 643 644 if (unitmask == 0) 645 return (-1); 646 647 } else if (KWMATCH(p, K7_KW_USR)) { 648 pmc_config->pm_caps |= PMC_CAP_USER; 649 } else 650 return (-1); 651 } 652 653 if (has_unitmask) { 654 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 655 pmc_config->pm_md.pm_amd.pm_amd_config |= 656 AMD_PMC_TO_UNITMASK(unitmask); 657 } 658 659 return (0); 660 661} 662 663#endif 664 665#if defined(__amd64__) || defined(__i386__) 666 667/* 668 * Intel Core (Family 6, Model E) PMCs. 669 */ 670 671static struct pmc_event_alias core_aliases[] = { 672 EV_ALIAS("branches", "iap-br-instr-ret"), 673 EV_ALIAS("branch-mispredicts", "iap-br-mispred-ret"), 674 EV_ALIAS("cycles", "tsc-tsc"), 675 EV_ALIAS("ic-misses", "iap-icache-misses"), 676 EV_ALIAS("instructions", "iap-instr-ret"), 677 EV_ALIAS("interrupts", "iap-core-hw-int-rx"), 678 EV_ALIAS("unhalted-cycles", "iap-unhalted-core-cycles"), 679 EV_ALIAS(NULL, NULL) 680}; 681 682/* 683 * Intel Core2 (Family 6, Model F), Core2Extreme (Family 6, Model 17H) 684 * and Atom (Family 6, model 1CH) PMCs. 685 * 686 * We map aliases to events on the fixed-function counters if these 687 * are present. Note that not all CPUs in this family contain fixed-function 688 * counters. 689 */ 690 691static struct pmc_event_alias core2_aliases[] = { 692 EV_ALIAS("branches", "iap-br-inst-retired.any"), 693 EV_ALIAS("branch-mispredicts", "iap-br-inst-retired.mispred"), 694 EV_ALIAS("cycles", "tsc-tsc"), 695 EV_ALIAS("ic-misses", "iap-l1i-misses"), 696 EV_ALIAS("instructions", "iaf-instr-retired.any"), 697 EV_ALIAS("interrupts", "iap-hw-int-rcv"), 698 EV_ALIAS("unhalted-cycles", "iaf-cpu-clk-unhalted.core"), 699 EV_ALIAS(NULL, NULL) 700}; 701 702static struct pmc_event_alias core2_aliases_without_iaf[] = { 703 EV_ALIAS("branches", "iap-br-inst-retired.any"), 704 EV_ALIAS("branch-mispredicts", "iap-br-inst-retired.mispred"), 705 EV_ALIAS("cycles", "tsc-tsc"), 706 EV_ALIAS("ic-misses", "iap-l1i-misses"), 707 EV_ALIAS("instructions", "iap-inst-retired.any_p"), 708 EV_ALIAS("interrupts", "iap-hw-int-rcv"), 709 EV_ALIAS("unhalted-cycles", "iap-cpu-clk-unhalted.core_p"), 710 EV_ALIAS(NULL, NULL) 711}; 712 713#define atom_aliases core2_aliases 714#define atom_aliases_without_iaf core2_aliases_without_iaf 715#define atom_silvermont_aliases core2_aliases 716#define atom_silvermont_aliases_without_iaf core2_aliases_without_iaf 717#define corei7_aliases core2_aliases 718#define corei7_aliases_without_iaf core2_aliases_without_iaf 719#define nehalem_ex_aliases core2_aliases 720#define nehalem_ex_aliases_without_iaf core2_aliases_without_iaf 721#define haswell_aliases core2_aliases 722#define haswell_aliases_without_iaf core2_aliases_without_iaf 723#define haswell_xeon_aliases core2_aliases 724#define haswell_xeon_aliases_without_iaf core2_aliases_without_iaf 725#define broadwell_aliases core2_aliases 726#define broadwell_aliases_without_iaf core2_aliases_without_iaf 727#define broadwell_xeon_aliases core2_aliases 728#define broadwell_xeon_aliases_without_iaf core2_aliases_without_iaf 729#define skylake_aliases core2_aliases 730#define skylake_aliases_without_iaf core2_aliases_without_iaf 731#define skylake_xeon_aliases core2_aliases 732#define skylake_xeon_aliases_without_iaf core2_aliases_without_iaf 733#define ivybridge_aliases core2_aliases 734#define ivybridge_aliases_without_iaf core2_aliases_without_iaf 735#define ivybridge_xeon_aliases core2_aliases 736#define ivybridge_xeon_aliases_without_iaf core2_aliases_without_iaf 737#define sandybridge_aliases core2_aliases 738#define sandybridge_aliases_without_iaf core2_aliases_without_iaf 739#define sandybridge_xeon_aliases core2_aliases 740#define sandybridge_xeon_aliases_without_iaf core2_aliases_without_iaf 741#define westmere_aliases core2_aliases 742#define westmere_aliases_without_iaf core2_aliases_without_iaf 743#define westmere_ex_aliases core2_aliases 744#define westmere_ex_aliases_without_iaf core2_aliases_without_iaf 745 746#define IAF_KW_OS "os" 747#define IAF_KW_USR "usr" 748#define IAF_KW_ANYTHREAD "anythread" 749 750/* 751 * Parse an event specifier for Intel fixed function counters. 752 */ 753static int 754iaf_allocate_pmc(enum pmc_event pe, char *ctrspec, 755 struct pmc_op_pmcallocate *pmc_config) 756{ 757 char *p; 758 759 (void) pe; 760 761 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 762 pmc_config->pm_md.pm_iaf.pm_iaf_flags = 0; 763 764 while ((p = strsep(&ctrspec, ",")) != NULL) { 765 if (KWMATCH(p, IAF_KW_OS)) 766 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 767 else if (KWMATCH(p, IAF_KW_USR)) 768 pmc_config->pm_caps |= PMC_CAP_USER; 769 else if (KWMATCH(p, IAF_KW_ANYTHREAD)) 770 pmc_config->pm_md.pm_iaf.pm_iaf_flags |= IAF_ANY; 771 else 772 return (-1); 773 } 774 775 return (0); 776} 777 778/* 779 * Core/Core2 support. 780 */ 781 782#define IAP_KW_AGENT "agent" 783#define IAP_KW_ANYTHREAD "anythread" 784#define IAP_KW_CACHESTATE "cachestate" 785#define IAP_KW_CMASK "cmask" 786#define IAP_KW_CORE "core" 787#define IAP_KW_EDGE "edge" 788#define IAP_KW_INV "inv" 789#define IAP_KW_OS "os" 790#define IAP_KW_PREFETCH "prefetch" 791#define IAP_KW_SNOOPRESPONSE "snoopresponse" 792#define IAP_KW_SNOOPTYPE "snooptype" 793#define IAP_KW_TRANSITION "trans" 794#define IAP_KW_USR "usr" 795#define IAP_KW_RSP "rsp" 796 797static struct pmc_masks iap_core_mask[] = { 798 PMCMASK(all, (0x3 << 14)), 799 PMCMASK(this, (0x1 << 14)), 800 NULLMASK 801}; 802 803static struct pmc_masks iap_agent_mask[] = { 804 PMCMASK(this, 0), 805 PMCMASK(any, (0x1 << 13)), 806 NULLMASK 807}; 808 809static struct pmc_masks iap_prefetch_mask[] = { 810 PMCMASK(both, (0x3 << 12)), 811 PMCMASK(only, (0x1 << 12)), 812 PMCMASK(exclude, 0), 813 NULLMASK 814}; 815 816static struct pmc_masks iap_cachestate_mask[] = { 817 PMCMASK(i, (1 << 8)), 818 PMCMASK(s, (1 << 9)), 819 PMCMASK(e, (1 << 10)), 820 PMCMASK(m, (1 << 11)), 821 NULLMASK 822}; 823 824static struct pmc_masks iap_snoopresponse_mask[] = { 825 PMCMASK(clean, (1 << 8)), 826 PMCMASK(hit, (1 << 9)), 827 PMCMASK(hitm, (1 << 11)), 828 NULLMASK 829}; 830 831static struct pmc_masks iap_snooptype_mask[] = { 832 PMCMASK(cmp2s, (1 << 8)), 833 PMCMASK(cmp2i, (1 << 9)), 834 NULLMASK 835}; 836 837static struct pmc_masks iap_transition_mask[] = { 838 PMCMASK(any, 0x00), 839 PMCMASK(frequency, 0x10), 840 NULLMASK 841}; 842 843static struct pmc_masks iap_rsp_mask_i7_wm[] = { 844 PMCMASK(DMND_DATA_RD, (1 << 0)), 845 PMCMASK(DMND_RFO, (1 << 1)), 846 PMCMASK(DMND_IFETCH, (1 << 2)), 847 PMCMASK(WB, (1 << 3)), 848 PMCMASK(PF_DATA_RD, (1 << 4)), 849 PMCMASK(PF_RFO, (1 << 5)), 850 PMCMASK(PF_IFETCH, (1 << 6)), 851 PMCMASK(OTHER, (1 << 7)), 852 PMCMASK(UNCORE_HIT, (1 << 8)), 853 PMCMASK(OTHER_CORE_HIT_SNP, (1 << 9)), 854 PMCMASK(OTHER_CORE_HITM, (1 << 10)), 855 PMCMASK(REMOTE_CACHE_FWD, (1 << 12)), 856 PMCMASK(REMOTE_DRAM, (1 << 13)), 857 PMCMASK(LOCAL_DRAM, (1 << 14)), 858 PMCMASK(NON_DRAM, (1 << 15)), 859 NULLMASK 860}; 861 862static struct pmc_masks iap_rsp_mask_sb_sbx_ib[] = { 863 PMCMASK(REQ_DMND_DATA_RD, (1ULL << 0)), 864 PMCMASK(REQ_DMND_RFO, (1ULL << 1)), 865 PMCMASK(REQ_DMND_IFETCH, (1ULL << 2)), 866 PMCMASK(REQ_WB, (1ULL << 3)), 867 PMCMASK(REQ_PF_DATA_RD, (1ULL << 4)), 868 PMCMASK(REQ_PF_RFO, (1ULL << 5)), 869 PMCMASK(REQ_PF_IFETCH, (1ULL << 6)), 870 PMCMASK(REQ_PF_LLC_DATA_RD, (1ULL << 7)), 871 PMCMASK(REQ_PF_LLC_RFO, (1ULL << 8)), 872 PMCMASK(REQ_PF_LLC_IFETCH, (1ULL << 9)), 873 PMCMASK(REQ_BUS_LOCKS, (1ULL << 10)), 874 PMCMASK(REQ_STRM_ST, (1ULL << 11)), 875 PMCMASK(REQ_OTHER, (1ULL << 15)), 876 PMCMASK(RES_ANY, (1ULL << 16)), 877 PMCMASK(RES_SUPPLIER_SUPP, (1ULL << 17)), 878 PMCMASK(RES_SUPPLIER_LLC_HITM, (1ULL << 18)), 879 PMCMASK(RES_SUPPLIER_LLC_HITE, (1ULL << 19)), 880 PMCMASK(RES_SUPPLIER_LLC_HITS, (1ULL << 20)), 881 PMCMASK(RES_SUPPLIER_LLC_HITF, (1ULL << 21)), 882 PMCMASK(RES_SUPPLIER_LOCAL, (1ULL << 22)), 883 PMCMASK(RES_SNOOP_SNP_NONE, (1ULL << 31)), 884 PMCMASK(RES_SNOOP_SNP_NO_NEEDED,(1ULL << 32)), 885 PMCMASK(RES_SNOOP_SNP_MISS, (1ULL << 33)), 886 PMCMASK(RES_SNOOP_HIT_NO_FWD, (1ULL << 34)), 887 PMCMASK(RES_SNOOP_HIT_FWD, (1ULL << 35)), 888 PMCMASK(RES_SNOOP_HITM, (1ULL << 36)), 889 PMCMASK(RES_NON_DRAM, (1ULL << 37)), 890 NULLMASK 891}; 892 893/* Broadwell is defined to use the same mask as Haswell */ 894static struct pmc_masks iap_rsp_mask_haswell[] = { 895 PMCMASK(REQ_DMND_DATA_RD, (1ULL << 0)), 896 PMCMASK(REQ_DMND_RFO, (1ULL << 1)), 897 PMCMASK(REQ_DMND_IFETCH, (1ULL << 2)), 898 PMCMASK(REQ_PF_DATA_RD, (1ULL << 4)), 899 PMCMASK(REQ_PF_RFO, (1ULL << 5)), 900 PMCMASK(REQ_PF_IFETCH, (1ULL << 6)), 901 PMCMASK(REQ_OTHER, (1ULL << 15)), 902 PMCMASK(RES_ANY, (1ULL << 16)), 903 PMCMASK(RES_SUPPLIER_SUPP, (1ULL << 17)), 904 PMCMASK(RES_SUPPLIER_LLC_HITM, (1ULL << 18)), 905 PMCMASK(RES_SUPPLIER_LLC_HITE, (1ULL << 19)), 906 PMCMASK(RES_SUPPLIER_LLC_HITS, (1ULL << 20)), 907 PMCMASK(RES_SUPPLIER_LLC_HITF, (1ULL << 21)), 908 PMCMASK(RES_SUPPLIER_LOCAL, (1ULL << 22)), 909 /* 910 * For processor type 06_45H 22 is L4_HIT_LOCAL_L4 911 * and 23, 24 and 25 are also defined. 912 */ 913 PMCMASK(RES_SNOOP_SNP_NONE, (1ULL << 31)), 914 PMCMASK(RES_SNOOP_SNP_NO_NEEDED,(1ULL << 32)), 915 PMCMASK(RES_SNOOP_SNP_MISS, (1ULL << 33)), 916 PMCMASK(RES_SNOOP_HIT_NO_FWD, (1ULL << 34)), 917 PMCMASK(RES_SNOOP_HIT_FWD, (1ULL << 35)), 918 PMCMASK(RES_SNOOP_HITM, (1ULL << 36)), 919 PMCMASK(RES_NON_DRAM, (1ULL << 37)), 920 NULLMASK 921}; 922 923static struct pmc_masks iap_rsp_mask_skylake[] = { 924 PMCMASK(REQ_DMND_DATA_RD, (1ULL << 0)), 925 PMCMASK(REQ_DMND_RFO, (1ULL << 1)), 926 PMCMASK(REQ_DMND_IFETCH, (1ULL << 2)), 927 PMCMASK(REQ_PF_DATA_RD, (1ULL << 7)), 928 PMCMASK(REQ_PF_RFO, (1ULL << 8)), 929 PMCMASK(REQ_STRM_ST, (1ULL << 11)), 930 PMCMASK(REQ_OTHER, (1ULL << 15)), 931 PMCMASK(RES_ANY, (1ULL << 16)), 932 PMCMASK(RES_SUPPLIER_SUPP, (1ULL << 17)), 933 PMCMASK(RES_SUPPLIER_LLC_HITM, (1ULL << 18)), 934 PMCMASK(RES_SUPPLIER_LLC_HITE, (1ULL << 19)), 935 PMCMASK(RES_SUPPLIER_LLC_HITS, (1ULL << 20)), 936 PMCMASK(RES_SUPPLIER_L4_HIT, (1ULL << 22)), 937 PMCMASK(RES_SUPPLIER_DRAM, (1ULL << 26)), 938 PMCMASK(RES_SUPPLIER_SPL_HIT, (1ULL << 30)), 939 PMCMASK(RES_SNOOP_SNP_NONE, (1ULL << 31)), 940 PMCMASK(RES_SNOOP_SNP_NO_NEEDED,(1ULL << 32)), 941 PMCMASK(RES_SNOOP_SNP_MISS, (1ULL << 33)), 942 PMCMASK(RES_SNOOP_HIT_NO_FWD, (1ULL << 34)), 943 PMCMASK(RES_SNOOP_HIT_FWD, (1ULL << 35)), 944 PMCMASK(RES_SNOOP_HITM, (1ULL << 36)), 945 PMCMASK(RES_NON_DRAM, (1ULL << 37)), 946 NULLMASK 947}; 948 949 950static int 951iap_allocate_pmc(enum pmc_event pe, char *ctrspec, 952 struct pmc_op_pmcallocate *pmc_config) 953{ 954 char *e, *p, *q; 955 uint64_t cachestate, evmask, rsp; 956 int count, n; 957 958 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE | 959 PMC_CAP_QUALIFIER); 960 pmc_config->pm_md.pm_iap.pm_iap_config = 0; 961 962 cachestate = evmask = rsp = 0; 963 964 /* Parse additional modifiers if present */ 965 while ((p = strsep(&ctrspec, ",")) != NULL) { 966 967 n = 0; 968 if (KWPREFIXMATCH(p, IAP_KW_CMASK "=")) { 969 q = strchr(p, '='); 970 if (*++q == '\0') /* skip '=' */ 971 return (-1); 972 count = strtol(q, &e, 0); 973 if (e == q || *e != '\0') 974 return (-1); 975 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 976 pmc_config->pm_md.pm_iap.pm_iap_config |= 977 IAP_CMASK(count); 978 } else if (KWMATCH(p, IAP_KW_EDGE)) { 979 pmc_config->pm_caps |= PMC_CAP_EDGE; 980 } else if (KWMATCH(p, IAP_KW_INV)) { 981 pmc_config->pm_caps |= PMC_CAP_INVERT; 982 } else if (KWMATCH(p, IAP_KW_OS)) { 983 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 984 } else if (KWMATCH(p, IAP_KW_USR)) { 985 pmc_config->pm_caps |= PMC_CAP_USER; 986 } else if (KWMATCH(p, IAP_KW_ANYTHREAD)) { 987 pmc_config->pm_md.pm_iap.pm_iap_config |= IAP_ANY; 988 } else if (KWPREFIXMATCH(p, IAP_KW_CORE "=")) { 989 n = pmc_parse_mask(iap_core_mask, p, &evmask); 990 if (n != 1) 991 return (-1); 992 } else if (KWPREFIXMATCH(p, IAP_KW_AGENT "=")) { 993 n = pmc_parse_mask(iap_agent_mask, p, &evmask); 994 if (n != 1) 995 return (-1); 996 } else if (KWPREFIXMATCH(p, IAP_KW_PREFETCH "=")) { 997 n = pmc_parse_mask(iap_prefetch_mask, p, &evmask); 998 if (n != 1) 999 return (-1); 1000 } else if (KWPREFIXMATCH(p, IAP_KW_CACHESTATE "=")) { 1001 n = pmc_parse_mask(iap_cachestate_mask, p, &cachestate); 1002 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_CORE && 1003 KWPREFIXMATCH(p, IAP_KW_TRANSITION "=")) { 1004 n = pmc_parse_mask(iap_transition_mask, p, &evmask); 1005 if (n != 1) 1006 return (-1); 1007 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_ATOM || 1008 cpu_info.pm_cputype == PMC_CPU_INTEL_ATOM_SILVERMONT || 1009 cpu_info.pm_cputype == PMC_CPU_INTEL_CORE2 || 1010 cpu_info.pm_cputype == PMC_CPU_INTEL_CORE2EXTREME) { 1011 if (KWPREFIXMATCH(p, IAP_KW_SNOOPRESPONSE "=")) { 1012 n = pmc_parse_mask(iap_snoopresponse_mask, p, 1013 &evmask); 1014 } else if (KWPREFIXMATCH(p, IAP_KW_SNOOPTYPE "=")) { 1015 n = pmc_parse_mask(iap_snooptype_mask, p, 1016 &evmask); 1017 } else 1018 return (-1); 1019 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_COREI7 || 1020 cpu_info.pm_cputype == PMC_CPU_INTEL_WESTMERE || 1021 cpu_info.pm_cputype == PMC_CPU_INTEL_NEHALEM_EX || 1022 cpu_info.pm_cputype == PMC_CPU_INTEL_WESTMERE_EX) { 1023 if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) { 1024 n = pmc_parse_mask(iap_rsp_mask_i7_wm, p, &rsp); 1025 } else 1026 return (-1); 1027 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_SANDYBRIDGE || 1028 cpu_info.pm_cputype == PMC_CPU_INTEL_SANDYBRIDGE_XEON || 1029 cpu_info.pm_cputype == PMC_CPU_INTEL_IVYBRIDGE || 1030 cpu_info.pm_cputype == PMC_CPU_INTEL_IVYBRIDGE_XEON ) { 1031 if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) { 1032 n = pmc_parse_mask(iap_rsp_mask_sb_sbx_ib, p, &rsp); 1033 } else 1034 return (-1); 1035 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_HASWELL || 1036 cpu_info.pm_cputype == PMC_CPU_INTEL_HASWELL_XEON) { 1037 if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) { 1038 n = pmc_parse_mask(iap_rsp_mask_haswell, p, &rsp); 1039 } else 1040 return (-1); 1041 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_BROADWELL || 1042 cpu_info.pm_cputype == PMC_CPU_INTEL_BROADWELL_XEON) { 1043 /* Broadwell is defined to use same mask as haswell */ 1044 if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) { 1045 n = pmc_parse_mask(iap_rsp_mask_haswell, p, &rsp); 1046 } else 1047 return (-1); 1048 1049 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_SKYLAKE || 1050 cpu_info.pm_cputype == PMC_CPU_INTEL_SKYLAKE_XEON) { 1051 if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) { 1052 n = pmc_parse_mask(iap_rsp_mask_skylake, p, &rsp); 1053 } else 1054 return (-1); 1055 1056 } else 1057 return (-1); 1058 1059 if (n < 0) /* Parsing failed. */ 1060 return (-1); 1061 } 1062 1063 pmc_config->pm_md.pm_iap.pm_iap_config |= evmask; 1064 1065 /* 1066 * If the event requires a 'cachestate' qualifier but was not 1067 * specified by the user, use a sensible default. 1068 */ 1069 switch (pe) { 1070 case PMC_EV_IAP_EVENT_28H: /* Core, Core2, Atom */ 1071 case PMC_EV_IAP_EVENT_29H: /* Core, Core2, Atom */ 1072 case PMC_EV_IAP_EVENT_2AH: /* Core, Core2, Atom */ 1073 case PMC_EV_IAP_EVENT_2BH: /* Atom, Core2 */ 1074 case PMC_EV_IAP_EVENT_2EH: /* Core, Core2, Atom */ 1075 case PMC_EV_IAP_EVENT_30H: /* Core, Core2, Atom */ 1076 case PMC_EV_IAP_EVENT_32H: /* Core */ 1077 case PMC_EV_IAP_EVENT_40H: /* Core */ 1078 case PMC_EV_IAP_EVENT_41H: /* Core */ 1079 case PMC_EV_IAP_EVENT_42H: /* Core, Core2, Atom */ 1080 if (cachestate == 0) 1081 cachestate = (0xF << 8); 1082 break; 1083 case PMC_EV_IAP_EVENT_77H: /* Atom */ 1084 /* IAP_EVENT_77H only accepts a cachestate qualifier on the 1085 * Atom processor 1086 */ 1087 if(cpu_info.pm_cputype == PMC_CPU_INTEL_ATOM && cachestate == 0) 1088 cachestate = (0xF << 8); 1089 break; 1090 default: 1091 break; 1092 } 1093 1094 pmc_config->pm_md.pm_iap.pm_iap_config |= cachestate; 1095 pmc_config->pm_md.pm_iap.pm_iap_rsp = rsp; 1096 1097 return (0); 1098} 1099 1100/* 1101 * Intel Uncore. 1102 */ 1103 1104static int 1105ucf_allocate_pmc(enum pmc_event pe, char *ctrspec, 1106 struct pmc_op_pmcallocate *pmc_config) 1107{ 1108 (void) pe; 1109 (void) ctrspec; 1110 1111 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 1112 pmc_config->pm_md.pm_ucf.pm_ucf_flags = 0; 1113 1114 return (0); 1115} 1116 1117#define UCP_KW_CMASK "cmask" 1118#define UCP_KW_EDGE "edge" 1119#define UCP_KW_INV "inv" 1120 1121static int 1122ucp_allocate_pmc(enum pmc_event pe, char *ctrspec, 1123 struct pmc_op_pmcallocate *pmc_config) 1124{ 1125 char *e, *p, *q; 1126 int count, n; 1127 1128 (void) pe; 1129 1130 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE | 1131 PMC_CAP_QUALIFIER); 1132 pmc_config->pm_md.pm_ucp.pm_ucp_config = 0; 1133 1134 /* Parse additional modifiers if present */ 1135 while ((p = strsep(&ctrspec, ",")) != NULL) { 1136 1137 n = 0; 1138 if (KWPREFIXMATCH(p, UCP_KW_CMASK "=")) { 1139 q = strchr(p, '='); 1140 if (*++q == '\0') /* skip '=' */ 1141 return (-1); 1142 count = strtol(q, &e, 0); 1143 if (e == q || *e != '\0') 1144 return (-1); 1145 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 1146 pmc_config->pm_md.pm_ucp.pm_ucp_config |= 1147 UCP_CMASK(count); 1148 } else if (KWMATCH(p, UCP_KW_EDGE)) { 1149 pmc_config->pm_caps |= PMC_CAP_EDGE; 1150 } else if (KWMATCH(p, UCP_KW_INV)) { 1151 pmc_config->pm_caps |= PMC_CAP_INVERT; 1152 } else 1153 return (-1); 1154 1155 if (n < 0) /* Parsing failed. */ 1156 return (-1); 1157 } 1158 1159 return (0); 1160} 1161 1162/* 1163 * AMD K8 PMCs. 1164 * 1165 * These are very similar to AMD K7 PMCs, but support more kinds of 1166 * events. 1167 */ 1168 1169static struct pmc_event_alias k8_aliases[] = { 1170 EV_ALIAS("branches", "k8-fr-retired-taken-branches"), 1171 EV_ALIAS("branch-mispredicts", 1172 "k8-fr-retired-taken-branches-mispredicted"), 1173 EV_ALIAS("cycles", "tsc"), 1174 EV_ALIAS("dc-misses", "k8-dc-miss"), 1175 EV_ALIAS("ic-misses", "k8-ic-miss"), 1176 EV_ALIAS("instructions", "k8-fr-retired-x86-instructions"), 1177 EV_ALIAS("interrupts", "k8-fr-taken-hardware-interrupts"), 1178 EV_ALIAS("unhalted-cycles", "k8-bu-cpu-clk-unhalted"), 1179 EV_ALIAS(NULL, NULL) 1180}; 1181 1182#define __K8MASK(N,V) PMCMASK(N,(1 << (V))) 1183 1184/* 1185 * Parsing tables 1186 */ 1187 1188/* fp dispatched fpu ops */ 1189static const struct pmc_masks k8_mask_fdfo[] = { 1190 __K8MASK(add-pipe-excluding-junk-ops, 0), 1191 __K8MASK(multiply-pipe-excluding-junk-ops, 1), 1192 __K8MASK(store-pipe-excluding-junk-ops, 2), 1193 __K8MASK(add-pipe-junk-ops, 3), 1194 __K8MASK(multiply-pipe-junk-ops, 4), 1195 __K8MASK(store-pipe-junk-ops, 5), 1196 NULLMASK 1197}; 1198 1199/* ls segment register loads */ 1200static const struct pmc_masks k8_mask_lsrl[] = { 1201 __K8MASK(es, 0), 1202 __K8MASK(cs, 1), 1203 __K8MASK(ss, 2), 1204 __K8MASK(ds, 3), 1205 __K8MASK(fs, 4), 1206 __K8MASK(gs, 5), 1207 __K8MASK(hs, 6), 1208 NULLMASK 1209}; 1210 1211/* ls locked operation */ 1212static const struct pmc_masks k8_mask_llo[] = { 1213 __K8MASK(locked-instructions, 0), 1214 __K8MASK(cycles-in-request, 1), 1215 __K8MASK(cycles-to-complete, 2), 1216 NULLMASK 1217}; 1218 1219/* dc refill from {l2,system} and dc copyback */ 1220static const struct pmc_masks k8_mask_dc[] = { 1221 __K8MASK(invalid, 0), 1222 __K8MASK(shared, 1), 1223 __K8MASK(exclusive, 2), 1224 __K8MASK(owner, 3), 1225 __K8MASK(modified, 4), 1226 NULLMASK 1227}; 1228 1229/* dc one bit ecc error */ 1230static const struct pmc_masks k8_mask_dobee[] = { 1231 __K8MASK(scrubber, 0), 1232 __K8MASK(piggyback, 1), 1233 NULLMASK 1234}; 1235 1236/* dc dispatched prefetch instructions */ 1237static const struct pmc_masks k8_mask_ddpi[] = { 1238 __K8MASK(load, 0), 1239 __K8MASK(store, 1), 1240 __K8MASK(nta, 2), 1241 NULLMASK 1242}; 1243 1244/* dc dcache accesses by locks */ 1245static const struct pmc_masks k8_mask_dabl[] = { 1246 __K8MASK(accesses, 0), 1247 __K8MASK(misses, 1), 1248 NULLMASK 1249}; 1250 1251/* bu internal l2 request */ 1252static const struct pmc_masks k8_mask_bilr[] = { 1253 __K8MASK(ic-fill, 0), 1254 __K8MASK(dc-fill, 1), 1255 __K8MASK(tlb-reload, 2), 1256 __K8MASK(tag-snoop, 3), 1257 __K8MASK(cancelled, 4), 1258 NULLMASK 1259}; 1260 1261/* bu fill request l2 miss */ 1262static const struct pmc_masks k8_mask_bfrlm[] = { 1263 __K8MASK(ic-fill, 0), 1264 __K8MASK(dc-fill, 1), 1265 __K8MASK(tlb-reload, 2), 1266 NULLMASK 1267}; 1268 1269/* bu fill into l2 */ 1270static const struct pmc_masks k8_mask_bfil[] = { 1271 __K8MASK(dirty-l2-victim, 0), 1272 __K8MASK(victim-from-l2, 1), 1273 NULLMASK 1274}; 1275 1276/* fr retired fpu instructions */ 1277static const struct pmc_masks k8_mask_frfi[] = { 1278 __K8MASK(x87, 0), 1279 __K8MASK(mmx-3dnow, 1), 1280 __K8MASK(packed-sse-sse2, 2), 1281 __K8MASK(scalar-sse-sse2, 3), 1282 NULLMASK 1283}; 1284 1285/* fr retired fastpath double op instructions */ 1286static const struct pmc_masks k8_mask_frfdoi[] = { 1287 __K8MASK(low-op-pos-0, 0), 1288 __K8MASK(low-op-pos-1, 1), 1289 __K8MASK(low-op-pos-2, 2), 1290 NULLMASK 1291}; 1292 1293/* fr fpu exceptions */ 1294static const struct pmc_masks k8_mask_ffe[] = { 1295 __K8MASK(x87-reclass-microfaults, 0), 1296 __K8MASK(sse-retype-microfaults, 1), 1297 __K8MASK(sse-reclass-microfaults, 2), 1298 __K8MASK(sse-and-x87-microtraps, 3), 1299 NULLMASK 1300}; 1301 1302/* nb memory controller page access event */ 1303static const struct pmc_masks k8_mask_nmcpae[] = { 1304 __K8MASK(page-hit, 0), 1305 __K8MASK(page-miss, 1), 1306 __K8MASK(page-conflict, 2), 1307 NULLMASK 1308}; 1309 1310/* nb memory controller turnaround */ 1311static const struct pmc_masks k8_mask_nmct[] = { 1312 __K8MASK(dimm-turnaround, 0), 1313 __K8MASK(read-to-write-turnaround, 1), 1314 __K8MASK(write-to-read-turnaround, 2), 1315 NULLMASK 1316}; 1317 1318/* nb memory controller bypass saturation */ 1319static const struct pmc_masks k8_mask_nmcbs[] = { 1320 __K8MASK(memory-controller-hi-pri-bypass, 0), 1321 __K8MASK(memory-controller-lo-pri-bypass, 1), 1322 __K8MASK(dram-controller-interface-bypass, 2), 1323 __K8MASK(dram-controller-queue-bypass, 3), 1324 NULLMASK 1325}; 1326 1327/* nb sized commands */ 1328static const struct pmc_masks k8_mask_nsc[] = { 1329 __K8MASK(nonpostwrszbyte, 0), 1330 __K8MASK(nonpostwrszdword, 1), 1331 __K8MASK(postwrszbyte, 2), 1332 __K8MASK(postwrszdword, 3), 1333 __K8MASK(rdszbyte, 4), 1334 __K8MASK(rdszdword, 5), 1335 __K8MASK(rdmodwr, 6), 1336 NULLMASK 1337}; 1338 1339/* nb probe result */ 1340static const struct pmc_masks k8_mask_npr[] = { 1341 __K8MASK(probe-miss, 0), 1342 __K8MASK(probe-hit, 1), 1343 __K8MASK(probe-hit-dirty-no-memory-cancel, 2), 1344 __K8MASK(probe-hit-dirty-with-memory-cancel, 3), 1345 NULLMASK 1346}; 1347 1348/* nb hypertransport bus bandwidth */ 1349static const struct pmc_masks k8_mask_nhbb[] = { /* HT bus bandwidth */ 1350 __K8MASK(command, 0), 1351 __K8MASK(data, 1), 1352 __K8MASK(buffer-release, 2), 1353 __K8MASK(nop, 3), 1354 NULLMASK 1355}; 1356 1357#undef __K8MASK 1358 1359#define K8_KW_COUNT "count" 1360#define K8_KW_EDGE "edge" 1361#define K8_KW_INV "inv" 1362#define K8_KW_MASK "mask" 1363#define K8_KW_OS "os" 1364#define K8_KW_USR "usr" 1365 1366static int 1367k8_allocate_pmc(enum pmc_event pe, char *ctrspec, 1368 struct pmc_op_pmcallocate *pmc_config) 1369{ 1370 char *e, *p, *q; 1371 int n; 1372 uint32_t count; 1373 uint64_t evmask; 1374 const struct pmc_masks *pm, *pmask; 1375 1376 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 1377 pmc_config->pm_md.pm_amd.pm_amd_config = 0; 1378 1379 pmask = NULL; 1380 evmask = 0; 1381 1382#define __K8SETMASK(M) pmask = k8_mask_##M 1383 1384 /* setup parsing tables */ 1385 switch (pe) { 1386 case PMC_EV_K8_FP_DISPATCHED_FPU_OPS: 1387 __K8SETMASK(fdfo); 1388 break; 1389 case PMC_EV_K8_LS_SEGMENT_REGISTER_LOAD: 1390 __K8SETMASK(lsrl); 1391 break; 1392 case PMC_EV_K8_LS_LOCKED_OPERATION: 1393 __K8SETMASK(llo); 1394 break; 1395 case PMC_EV_K8_DC_REFILL_FROM_L2: 1396 case PMC_EV_K8_DC_REFILL_FROM_SYSTEM: 1397 case PMC_EV_K8_DC_COPYBACK: 1398 __K8SETMASK(dc); 1399 break; 1400 case PMC_EV_K8_DC_ONE_BIT_ECC_ERROR: 1401 __K8SETMASK(dobee); 1402 break; 1403 case PMC_EV_K8_DC_DISPATCHED_PREFETCH_INSTRUCTIONS: 1404 __K8SETMASK(ddpi); 1405 break; 1406 case PMC_EV_K8_DC_DCACHE_ACCESSES_BY_LOCKS: 1407 __K8SETMASK(dabl); 1408 break; 1409 case PMC_EV_K8_BU_INTERNAL_L2_REQUEST: 1410 __K8SETMASK(bilr); 1411 break; 1412 case PMC_EV_K8_BU_FILL_REQUEST_L2_MISS: 1413 __K8SETMASK(bfrlm); 1414 break; 1415 case PMC_EV_K8_BU_FILL_INTO_L2: 1416 __K8SETMASK(bfil); 1417 break; 1418 case PMC_EV_K8_FR_RETIRED_FPU_INSTRUCTIONS: 1419 __K8SETMASK(frfi); 1420 break; 1421 case PMC_EV_K8_FR_RETIRED_FASTPATH_DOUBLE_OP_INSTRUCTIONS: 1422 __K8SETMASK(frfdoi); 1423 break; 1424 case PMC_EV_K8_FR_FPU_EXCEPTIONS: 1425 __K8SETMASK(ffe); 1426 break; 1427 case PMC_EV_K8_NB_MEMORY_CONTROLLER_PAGE_ACCESS_EVENT: 1428 __K8SETMASK(nmcpae); 1429 break; 1430 case PMC_EV_K8_NB_MEMORY_CONTROLLER_TURNAROUND: 1431 __K8SETMASK(nmct); 1432 break; 1433 case PMC_EV_K8_NB_MEMORY_CONTROLLER_BYPASS_SATURATION: 1434 __K8SETMASK(nmcbs); 1435 break; 1436 case PMC_EV_K8_NB_SIZED_COMMANDS: 1437 __K8SETMASK(nsc); 1438 break; 1439 case PMC_EV_K8_NB_PROBE_RESULT: 1440 __K8SETMASK(npr); 1441 break; 1442 case PMC_EV_K8_NB_HT_BUS0_BANDWIDTH: 1443 case PMC_EV_K8_NB_HT_BUS1_BANDWIDTH: 1444 case PMC_EV_K8_NB_HT_BUS2_BANDWIDTH: 1445 __K8SETMASK(nhbb); 1446 break; 1447 1448 default: 1449 break; /* no options defined */ 1450 } 1451 1452 while ((p = strsep(&ctrspec, ",")) != NULL) { 1453 if (KWPREFIXMATCH(p, K8_KW_COUNT "=")) { 1454 q = strchr(p, '='); 1455 if (*++q == '\0') /* skip '=' */ 1456 return (-1); 1457 1458 count = strtol(q, &e, 0); 1459 if (e == q || *e != '\0') 1460 return (-1); 1461 1462 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 1463 pmc_config->pm_md.pm_amd.pm_amd_config |= 1464 AMD_PMC_TO_COUNTER(count); 1465 1466 } else if (KWMATCH(p, K8_KW_EDGE)) { 1467 pmc_config->pm_caps |= PMC_CAP_EDGE; 1468 } else if (KWMATCH(p, K8_KW_INV)) { 1469 pmc_config->pm_caps |= PMC_CAP_INVERT; 1470 } else if (KWPREFIXMATCH(p, K8_KW_MASK "=")) { 1471 if ((n = pmc_parse_mask(pmask, p, &evmask)) < 0) 1472 return (-1); 1473 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1474 } else if (KWMATCH(p, K8_KW_OS)) { 1475 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 1476 } else if (KWMATCH(p, K8_KW_USR)) { 1477 pmc_config->pm_caps |= PMC_CAP_USER; 1478 } else 1479 return (-1); 1480 } 1481 1482 /* other post processing */ 1483 switch (pe) { 1484 case PMC_EV_K8_FP_DISPATCHED_FPU_OPS: 1485 case PMC_EV_K8_FP_CYCLES_WITH_NO_FPU_OPS_RETIRED: 1486 case PMC_EV_K8_FP_DISPATCHED_FPU_FAST_FLAG_OPS: 1487 case PMC_EV_K8_FR_RETIRED_FASTPATH_DOUBLE_OP_INSTRUCTIONS: 1488 case PMC_EV_K8_FR_RETIRED_FPU_INSTRUCTIONS: 1489 case PMC_EV_K8_FR_FPU_EXCEPTIONS: 1490 /* XXX only available in rev B and later */ 1491 break; 1492 case PMC_EV_K8_DC_DCACHE_ACCESSES_BY_LOCKS: 1493 /* XXX only available in rev C and later */ 1494 break; 1495 case PMC_EV_K8_LS_LOCKED_OPERATION: 1496 /* XXX CPU Rev A,B evmask is to be zero */ 1497 if (evmask & (evmask - 1)) /* > 1 bit set */ 1498 return (-1); 1499 if (evmask == 0) { 1500 evmask = 0x01; /* Rev C and later: #instrs */ 1501 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1502 } 1503 break; 1504 default: 1505 if (evmask == 0 && pmask != NULL) { 1506 for (pm = pmask; pm->pm_name; pm++) 1507 evmask |= pm->pm_value; 1508 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1509 } 1510 } 1511 1512 if (pmc_config->pm_caps & PMC_CAP_QUALIFIER) 1513 pmc_config->pm_md.pm_amd.pm_amd_config = 1514 AMD_PMC_TO_UNITMASK(evmask); 1515 1516 return (0); 1517} 1518 1519#endif 1520 1521#if defined(__amd64__) || defined(__i386__) 1522 1523/* 1524 * Intel P4 PMCs 1525 */ 1526 1527static struct pmc_event_alias p4_aliases[] = { 1528 EV_ALIAS("branches", "p4-branch-retired,mask=mmtp+mmtm"), 1529 EV_ALIAS("branch-mispredicts", "p4-mispred-branch-retired"), 1530 EV_ALIAS("cycles", "tsc"), 1531 EV_ALIAS("instructions", 1532 "p4-instr-retired,mask=nbogusntag+nbogustag"), 1533 EV_ALIAS("unhalted-cycles", "p4-global-power-events"), 1534 EV_ALIAS(NULL, NULL) 1535}; 1536 1537#define P4_KW_ACTIVE "active" 1538#define P4_KW_ACTIVE_ANY "any" 1539#define P4_KW_ACTIVE_BOTH "both" 1540#define P4_KW_ACTIVE_NONE "none" 1541#define P4_KW_ACTIVE_SINGLE "single" 1542#define P4_KW_BUSREQTYPE "busreqtype" 1543#define P4_KW_CASCADE "cascade" 1544#define P4_KW_EDGE "edge" 1545#define P4_KW_INV "complement" 1546#define P4_KW_OS "os" 1547#define P4_KW_MASK "mask" 1548#define P4_KW_PRECISE "precise" 1549#define P4_KW_TAG "tag" 1550#define P4_KW_THRESHOLD "threshold" 1551#define P4_KW_USR "usr" 1552 1553#define __P4MASK(N,V) PMCMASK(N, (1 << (V))) 1554 1555static const struct pmc_masks p4_mask_tcdm[] = { /* tc deliver mode */ 1556 __P4MASK(dd, 0), 1557 __P4MASK(db, 1), 1558 __P4MASK(di, 2), 1559 __P4MASK(bd, 3), 1560 __P4MASK(bb, 4), 1561 __P4MASK(bi, 5), 1562 __P4MASK(id, 6), 1563 __P4MASK(ib, 7), 1564 NULLMASK 1565}; 1566 1567static const struct pmc_masks p4_mask_bfr[] = { /* bpu fetch request */ 1568 __P4MASK(tcmiss, 0), 1569 NULLMASK, 1570}; 1571 1572static const struct pmc_masks p4_mask_ir[] = { /* itlb reference */ 1573 __P4MASK(hit, 0), 1574 __P4MASK(miss, 1), 1575 __P4MASK(hit-uc, 2), 1576 NULLMASK 1577}; 1578 1579static const struct pmc_masks p4_mask_memcan[] = { /* memory cancel */ 1580 __P4MASK(st-rb-full, 2), 1581 __P4MASK(64k-conf, 3), 1582 NULLMASK 1583}; 1584 1585static const struct pmc_masks p4_mask_memcomp[] = { /* memory complete */ 1586 __P4MASK(lsc, 0), 1587 __P4MASK(ssc, 1), 1588 NULLMASK 1589}; 1590 1591static const struct pmc_masks p4_mask_lpr[] = { /* load port replay */ 1592 __P4MASK(split-ld, 1), 1593 NULLMASK 1594}; 1595 1596static const struct pmc_masks p4_mask_spr[] = { /* store port replay */ 1597 __P4MASK(split-st, 1), 1598 NULLMASK 1599}; 1600 1601static const struct pmc_masks p4_mask_mlr[] = { /* mob load replay */ 1602 __P4MASK(no-sta, 1), 1603 __P4MASK(no-std, 3), 1604 __P4MASK(partial-data, 4), 1605 __P4MASK(unalgn-addr, 5), 1606 NULLMASK 1607}; 1608 1609static const struct pmc_masks p4_mask_pwt[] = { /* page walk type */ 1610 __P4MASK(dtmiss, 0), 1611 __P4MASK(itmiss, 1), 1612 NULLMASK 1613}; 1614 1615static const struct pmc_masks p4_mask_bcr[] = { /* bsq cache reference */ 1616 __P4MASK(rd-2ndl-hits, 0), 1617 __P4MASK(rd-2ndl-hite, 1), 1618 __P4MASK(rd-2ndl-hitm, 2), 1619 __P4MASK(rd-3rdl-hits, 3), 1620 __P4MASK(rd-3rdl-hite, 4), 1621 __P4MASK(rd-3rdl-hitm, 5), 1622 __P4MASK(rd-2ndl-miss, 8), 1623 __P4MASK(rd-3rdl-miss, 9), 1624 __P4MASK(wr-2ndl-miss, 10), 1625 NULLMASK 1626}; 1627 1628static const struct pmc_masks p4_mask_ia[] = { /* ioq allocation */ 1629 __P4MASK(all-read, 5), 1630 __P4MASK(all-write, 6), 1631 __P4MASK(mem-uc, 7), 1632 __P4MASK(mem-wc, 8), 1633 __P4MASK(mem-wt, 9), 1634 __P4MASK(mem-wp, 10), 1635 __P4MASK(mem-wb, 11), 1636 __P4MASK(own, 13), 1637 __P4MASK(other, 14), 1638 __P4MASK(prefetch, 15), 1639 NULLMASK 1640}; 1641 1642static const struct pmc_masks p4_mask_iae[] = { /* ioq active entries */ 1643 __P4MASK(all-read, 5), 1644 __P4MASK(all-write, 6), 1645 __P4MASK(mem-uc, 7), 1646 __P4MASK(mem-wc, 8), 1647 __P4MASK(mem-wt, 9), 1648 __P4MASK(mem-wp, 10), 1649 __P4MASK(mem-wb, 11), 1650 __P4MASK(own, 13), 1651 __P4MASK(other, 14), 1652 __P4MASK(prefetch, 15), 1653 NULLMASK 1654}; 1655 1656static const struct pmc_masks p4_mask_fda[] = { /* fsb data activity */ 1657 __P4MASK(drdy-drv, 0), 1658 __P4MASK(drdy-own, 1), 1659 __P4MASK(drdy-other, 2), 1660 __P4MASK(dbsy-drv, 3), 1661 __P4MASK(dbsy-own, 4), 1662 __P4MASK(dbsy-other, 5), 1663 NULLMASK 1664}; 1665 1666static const struct pmc_masks p4_mask_ba[] = { /* bsq allocation */ 1667 __P4MASK(req-type0, 0), 1668 __P4MASK(req-type1, 1), 1669 __P4MASK(req-len0, 2), 1670 __P4MASK(req-len1, 3), 1671 __P4MASK(req-io-type, 5), 1672 __P4MASK(req-lock-type, 6), 1673 __P4MASK(req-cache-type, 7), 1674 __P4MASK(req-split-type, 8), 1675 __P4MASK(req-dem-type, 9), 1676 __P4MASK(req-ord-type, 10), 1677 __P4MASK(mem-type0, 11), 1678 __P4MASK(mem-type1, 12), 1679 __P4MASK(mem-type2, 13), 1680 NULLMASK 1681}; 1682 1683static const struct pmc_masks p4_mask_sia[] = { /* sse input assist */ 1684 __P4MASK(all, 15), 1685 NULLMASK 1686}; 1687 1688static const struct pmc_masks p4_mask_psu[] = { /* packed sp uop */ 1689 __P4MASK(all, 15), 1690 NULLMASK 1691}; 1692 1693static const struct pmc_masks p4_mask_pdu[] = { /* packed dp uop */ 1694 __P4MASK(all, 15), 1695 NULLMASK 1696}; 1697 1698static const struct pmc_masks p4_mask_ssu[] = { /* scalar sp uop */ 1699 __P4MASK(all, 15), 1700 NULLMASK 1701}; 1702 1703static const struct pmc_masks p4_mask_sdu[] = { /* scalar dp uop */ 1704 __P4MASK(all, 15), 1705 NULLMASK 1706}; 1707 1708static const struct pmc_masks p4_mask_64bmu[] = { /* 64 bit mmx uop */ 1709 __P4MASK(all, 15), 1710 NULLMASK 1711}; 1712 1713static const struct pmc_masks p4_mask_128bmu[] = { /* 128 bit mmx uop */ 1714 __P4MASK(all, 15), 1715 NULLMASK 1716}; 1717 1718static const struct pmc_masks p4_mask_xfu[] = { /* X87 fp uop */ 1719 __P4MASK(all, 15), 1720 NULLMASK 1721}; 1722 1723static const struct pmc_masks p4_mask_xsmu[] = { /* x87 simd moves uop */ 1724 __P4MASK(allp0, 3), 1725 __P4MASK(allp2, 4), 1726 NULLMASK 1727}; 1728 1729static const struct pmc_masks p4_mask_gpe[] = { /* global power events */ 1730 __P4MASK(running, 0), 1731 NULLMASK 1732}; 1733 1734static const struct pmc_masks p4_mask_tmx[] = { /* TC ms xfer */ 1735 __P4MASK(cisc, 0), 1736 NULLMASK 1737}; 1738 1739static const struct pmc_masks p4_mask_uqw[] = { /* uop queue writes */ 1740 __P4MASK(from-tc-build, 0), 1741 __P4MASK(from-tc-deliver, 1), 1742 __P4MASK(from-rom, 2), 1743 NULLMASK 1744}; 1745 1746static const struct pmc_masks p4_mask_rmbt[] = { 1747 /* retired mispred branch type */ 1748 __P4MASK(conditional, 1), 1749 __P4MASK(call, 2), 1750 __P4MASK(return, 3), 1751 __P4MASK(indirect, 4), 1752 NULLMASK 1753}; 1754 1755static const struct pmc_masks p4_mask_rbt[] = { /* retired branch type */ 1756 __P4MASK(conditional, 1), 1757 __P4MASK(call, 2), 1758 __P4MASK(retired, 3), 1759 __P4MASK(indirect, 4), 1760 NULLMASK 1761}; 1762 1763static const struct pmc_masks p4_mask_rs[] = { /* resource stall */ 1764 __P4MASK(sbfull, 5), 1765 NULLMASK 1766}; 1767 1768static const struct pmc_masks p4_mask_wb[] = { /* WC buffer */ 1769 __P4MASK(wcb-evicts, 0), 1770 __P4MASK(wcb-full-evict, 1), 1771 NULLMASK 1772}; 1773 1774static const struct pmc_masks p4_mask_fee[] = { /* front end event */ 1775 __P4MASK(nbogus, 0), 1776 __P4MASK(bogus, 1), 1777 NULLMASK 1778}; 1779 1780static const struct pmc_masks p4_mask_ee[] = { /* execution event */ 1781 __P4MASK(nbogus0, 0), 1782 __P4MASK(nbogus1, 1), 1783 __P4MASK(nbogus2, 2), 1784 __P4MASK(nbogus3, 3), 1785 __P4MASK(bogus0, 4), 1786 __P4MASK(bogus1, 5), 1787 __P4MASK(bogus2, 6), 1788 __P4MASK(bogus3, 7), 1789 NULLMASK 1790}; 1791 1792static const struct pmc_masks p4_mask_re[] = { /* replay event */ 1793 __P4MASK(nbogus, 0), 1794 __P4MASK(bogus, 1), 1795 NULLMASK 1796}; 1797 1798static const struct pmc_masks p4_mask_insret[] = { /* instr retired */ 1799 __P4MASK(nbogusntag, 0), 1800 __P4MASK(nbogustag, 1), 1801 __P4MASK(bogusntag, 2), 1802 __P4MASK(bogustag, 3), 1803 NULLMASK 1804}; 1805 1806static const struct pmc_masks p4_mask_ur[] = { /* uops retired */ 1807 __P4MASK(nbogus, 0), 1808 __P4MASK(bogus, 1), 1809 NULLMASK 1810}; 1811 1812static const struct pmc_masks p4_mask_ut[] = { /* uop type */ 1813 __P4MASK(tagloads, 1), 1814 __P4MASK(tagstores, 2), 1815 NULLMASK 1816}; 1817 1818static const struct pmc_masks p4_mask_br[] = { /* branch retired */ 1819 __P4MASK(mmnp, 0), 1820 __P4MASK(mmnm, 1), 1821 __P4MASK(mmtp, 2), 1822 __P4MASK(mmtm, 3), 1823 NULLMASK 1824}; 1825 1826static const struct pmc_masks p4_mask_mbr[] = { /* mispred branch retired */ 1827 __P4MASK(nbogus, 0), 1828 NULLMASK 1829}; 1830 1831static const struct pmc_masks p4_mask_xa[] = { /* x87 assist */ 1832 __P4MASK(fpsu, 0), 1833 __P4MASK(fpso, 1), 1834 __P4MASK(poao, 2), 1835 __P4MASK(poau, 3), 1836 __P4MASK(prea, 4), 1837 NULLMASK 1838}; 1839 1840static const struct pmc_masks p4_mask_machclr[] = { /* machine clear */ 1841 __P4MASK(clear, 0), 1842 __P4MASK(moclear, 2), 1843 __P4MASK(smclear, 3), 1844 NULLMASK 1845}; 1846 1847/* P4 event parser */ 1848static int 1849p4_allocate_pmc(enum pmc_event pe, char *ctrspec, 1850 struct pmc_op_pmcallocate *pmc_config) 1851{ 1852 1853 char *e, *p, *q; 1854 int count, has_tag, has_busreqtype, n; 1855 uint32_t cccractivemask; 1856 uint64_t evmask; 1857 const struct pmc_masks *pm, *pmask; 1858 1859 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 1860 pmc_config->pm_md.pm_p4.pm_p4_cccrconfig = 1861 pmc_config->pm_md.pm_p4.pm_p4_escrconfig = 0; 1862 1863 pmask = NULL; 1864 evmask = 0; 1865 cccractivemask = 0x3; 1866 has_tag = has_busreqtype = 0; 1867 1868#define __P4SETMASK(M) do { \ 1869 pmask = p4_mask_##M; \ 1870} while (0) 1871 1872 switch (pe) { 1873 case PMC_EV_P4_TC_DELIVER_MODE: 1874 __P4SETMASK(tcdm); 1875 break; 1876 case PMC_EV_P4_BPU_FETCH_REQUEST: 1877 __P4SETMASK(bfr); 1878 break; 1879 case PMC_EV_P4_ITLB_REFERENCE: 1880 __P4SETMASK(ir); 1881 break; 1882 case PMC_EV_P4_MEMORY_CANCEL: 1883 __P4SETMASK(memcan); 1884 break; 1885 case PMC_EV_P4_MEMORY_COMPLETE: 1886 __P4SETMASK(memcomp); 1887 break; 1888 case PMC_EV_P4_LOAD_PORT_REPLAY: 1889 __P4SETMASK(lpr); 1890 break; 1891 case PMC_EV_P4_STORE_PORT_REPLAY: 1892 __P4SETMASK(spr); 1893 break; 1894 case PMC_EV_P4_MOB_LOAD_REPLAY: 1895 __P4SETMASK(mlr); 1896 break; 1897 case PMC_EV_P4_PAGE_WALK_TYPE: 1898 __P4SETMASK(pwt); 1899 break; 1900 case PMC_EV_P4_BSQ_CACHE_REFERENCE: 1901 __P4SETMASK(bcr); 1902 break; 1903 case PMC_EV_P4_IOQ_ALLOCATION: 1904 __P4SETMASK(ia); 1905 has_busreqtype = 1; 1906 break; 1907 case PMC_EV_P4_IOQ_ACTIVE_ENTRIES: 1908 __P4SETMASK(iae); 1909 has_busreqtype = 1; 1910 break; 1911 case PMC_EV_P4_FSB_DATA_ACTIVITY: 1912 __P4SETMASK(fda); 1913 break; 1914 case PMC_EV_P4_BSQ_ALLOCATION: 1915 __P4SETMASK(ba); 1916 break; 1917 case PMC_EV_P4_SSE_INPUT_ASSIST: 1918 __P4SETMASK(sia); 1919 break; 1920 case PMC_EV_P4_PACKED_SP_UOP: 1921 __P4SETMASK(psu); 1922 break; 1923 case PMC_EV_P4_PACKED_DP_UOP: 1924 __P4SETMASK(pdu); 1925 break; 1926 case PMC_EV_P4_SCALAR_SP_UOP: 1927 __P4SETMASK(ssu); 1928 break; 1929 case PMC_EV_P4_SCALAR_DP_UOP: 1930 __P4SETMASK(sdu); 1931 break; 1932 case PMC_EV_P4_64BIT_MMX_UOP: 1933 __P4SETMASK(64bmu); 1934 break; 1935 case PMC_EV_P4_128BIT_MMX_UOP: 1936 __P4SETMASK(128bmu); 1937 break; 1938 case PMC_EV_P4_X87_FP_UOP: 1939 __P4SETMASK(xfu); 1940 break; 1941 case PMC_EV_P4_X87_SIMD_MOVES_UOP: 1942 __P4SETMASK(xsmu); 1943 break; 1944 case PMC_EV_P4_GLOBAL_POWER_EVENTS: 1945 __P4SETMASK(gpe); 1946 break; 1947 case PMC_EV_P4_TC_MS_XFER: 1948 __P4SETMASK(tmx); 1949 break; 1950 case PMC_EV_P4_UOP_QUEUE_WRITES: 1951 __P4SETMASK(uqw); 1952 break; 1953 case PMC_EV_P4_RETIRED_MISPRED_BRANCH_TYPE: 1954 __P4SETMASK(rmbt); 1955 break; 1956 case PMC_EV_P4_RETIRED_BRANCH_TYPE: 1957 __P4SETMASK(rbt); 1958 break; 1959 case PMC_EV_P4_RESOURCE_STALL: 1960 __P4SETMASK(rs); 1961 break; 1962 case PMC_EV_P4_WC_BUFFER: 1963 __P4SETMASK(wb); 1964 break; 1965 case PMC_EV_P4_BSQ_ACTIVE_ENTRIES: 1966 case PMC_EV_P4_B2B_CYCLES: 1967 case PMC_EV_P4_BNR: 1968 case PMC_EV_P4_SNOOP: 1969 case PMC_EV_P4_RESPONSE: 1970 break; 1971 case PMC_EV_P4_FRONT_END_EVENT: 1972 __P4SETMASK(fee); 1973 break; 1974 case PMC_EV_P4_EXECUTION_EVENT: 1975 __P4SETMASK(ee); 1976 break; 1977 case PMC_EV_P4_REPLAY_EVENT: 1978 __P4SETMASK(re); 1979 break; 1980 case PMC_EV_P4_INSTR_RETIRED: 1981 __P4SETMASK(insret); 1982 break; 1983 case PMC_EV_P4_UOPS_RETIRED: 1984 __P4SETMASK(ur); 1985 break; 1986 case PMC_EV_P4_UOP_TYPE: 1987 __P4SETMASK(ut); 1988 break; 1989 case PMC_EV_P4_BRANCH_RETIRED: 1990 __P4SETMASK(br); 1991 break; 1992 case PMC_EV_P4_MISPRED_BRANCH_RETIRED: 1993 __P4SETMASK(mbr); 1994 break; 1995 case PMC_EV_P4_X87_ASSIST: 1996 __P4SETMASK(xa); 1997 break; 1998 case PMC_EV_P4_MACHINE_CLEAR: 1999 __P4SETMASK(machclr); 2000 break; 2001 default: 2002 return (-1); 2003 } 2004 2005 /* process additional flags */ 2006 while ((p = strsep(&ctrspec, ",")) != NULL) { 2007 if (KWPREFIXMATCH(p, P4_KW_ACTIVE)) { 2008 q = strchr(p, '='); 2009 if (*++q == '\0') /* skip '=' */ 2010 return (-1); 2011 2012 if (strcasecmp(q, P4_KW_ACTIVE_NONE) == 0) 2013 cccractivemask = 0x0; 2014 else if (strcasecmp(q, P4_KW_ACTIVE_SINGLE) == 0) 2015 cccractivemask = 0x1; 2016 else if (strcasecmp(q, P4_KW_ACTIVE_BOTH) == 0) 2017 cccractivemask = 0x2; 2018 else if (strcasecmp(q, P4_KW_ACTIVE_ANY) == 0) 2019 cccractivemask = 0x3; 2020 else 2021 return (-1); 2022 2023 } else if (KWPREFIXMATCH(p, P4_KW_BUSREQTYPE)) { 2024 if (has_busreqtype == 0) 2025 return (-1); 2026 2027 q = strchr(p, '='); 2028 if (*++q == '\0') /* skip '=' */ 2029 return (-1); 2030 2031 count = strtol(q, &e, 0); 2032 if (e == q || *e != '\0') 2033 return (-1); 2034 evmask = (evmask & ~0x1F) | (count & 0x1F); 2035 } else if (KWMATCH(p, P4_KW_CASCADE)) 2036 pmc_config->pm_caps |= PMC_CAP_CASCADE; 2037 else if (KWMATCH(p, P4_KW_EDGE)) 2038 pmc_config->pm_caps |= PMC_CAP_EDGE; 2039 else if (KWMATCH(p, P4_KW_INV)) 2040 pmc_config->pm_caps |= PMC_CAP_INVERT; 2041 else if (KWPREFIXMATCH(p, P4_KW_MASK "=")) { 2042 if ((n = pmc_parse_mask(pmask, p, &evmask)) < 0) 2043 return (-1); 2044 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 2045 } else if (KWMATCH(p, P4_KW_OS)) 2046 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 2047 else if (KWMATCH(p, P4_KW_PRECISE)) 2048 pmc_config->pm_caps |= PMC_CAP_PRECISE; 2049 else if (KWPREFIXMATCH(p, P4_KW_TAG "=")) { 2050 if (has_tag == 0) 2051 return (-1); 2052 2053 q = strchr(p, '='); 2054 if (*++q == '\0') /* skip '=' */ 2055 return (-1); 2056 2057 count = strtol(q, &e, 0); 2058 if (e == q || *e != '\0') 2059 return (-1); 2060 2061 pmc_config->pm_caps |= PMC_CAP_TAGGING; 2062 pmc_config->pm_md.pm_p4.pm_p4_escrconfig |= 2063 P4_ESCR_TO_TAG_VALUE(count); 2064 } else if (KWPREFIXMATCH(p, P4_KW_THRESHOLD "=")) { 2065 q = strchr(p, '='); 2066 if (*++q == '\0') /* skip '=' */ 2067 return (-1); 2068 2069 count = strtol(q, &e, 0); 2070 if (e == q || *e != '\0') 2071 return (-1); 2072 2073 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 2074 pmc_config->pm_md.pm_p4.pm_p4_cccrconfig &= 2075 ~P4_CCCR_THRESHOLD_MASK; 2076 pmc_config->pm_md.pm_p4.pm_p4_cccrconfig |= 2077 P4_CCCR_TO_THRESHOLD(count); 2078 } else if (KWMATCH(p, P4_KW_USR)) 2079 pmc_config->pm_caps |= PMC_CAP_USER; 2080 else 2081 return (-1); 2082 } 2083 2084 /* other post processing */ 2085 if (pe == PMC_EV_P4_IOQ_ALLOCATION || 2086 pe == PMC_EV_P4_FSB_DATA_ACTIVITY || 2087 pe == PMC_EV_P4_BSQ_ALLOCATION) 2088 pmc_config->pm_caps |= PMC_CAP_EDGE; 2089 2090 /* fill in thread activity mask */ 2091 pmc_config->pm_md.pm_p4.pm_p4_cccrconfig |= 2092 P4_CCCR_TO_ACTIVE_THREAD(cccractivemask); 2093 2094 if (evmask) 2095 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 2096 2097 switch (pe) { 2098 case PMC_EV_P4_FSB_DATA_ACTIVITY: 2099 if ((evmask & 0x06) == 0x06 || 2100 (evmask & 0x18) == 0x18) 2101 return (-1); /* can't have own+other bits together */ 2102 if (evmask == 0) /* default:drdy-{drv,own}+dbsy{drv,own} */ 2103 evmask = 0x1D; 2104 break; 2105 case PMC_EV_P4_MACHINE_CLEAR: 2106 /* only one bit is allowed to be set */ 2107 if ((evmask & (evmask - 1)) != 0) 2108 return (-1); 2109 if (evmask == 0) { 2110 evmask = 0x1; /* 'CLEAR' */ 2111 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 2112 } 2113 break; 2114 default: 2115 if (evmask == 0 && pmask) { 2116 for (pm = pmask; pm->pm_name; pm++) 2117 evmask |= pm->pm_value; 2118 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 2119 } 2120 } 2121 2122 pmc_config->pm_md.pm_p4.pm_p4_escrconfig = 2123 P4_ESCR_TO_EVENT_MASK(evmask); 2124 2125 return (0); 2126} 2127 2128#endif 2129 2130#if defined(__i386__) 2131 2132/* 2133 * Pentium style PMCs 2134 */ 2135 2136static struct pmc_event_alias p5_aliases[] = { 2137 EV_ALIAS("branches", "p5-taken-branches"), 2138 EV_ALIAS("cycles", "tsc"), 2139 EV_ALIAS("dc-misses", "p5-data-read-miss-or-write-miss"), 2140 EV_ALIAS("ic-misses", "p5-code-cache-miss"), 2141 EV_ALIAS("instructions", "p5-instructions-executed"), 2142 EV_ALIAS("interrupts", "p5-hardware-interrupts"), 2143 EV_ALIAS("unhalted-cycles", 2144 "p5-number-of-cycles-not-in-halt-state"), 2145 EV_ALIAS(NULL, NULL) 2146}; 2147 2148static int 2149p5_allocate_pmc(enum pmc_event pe, char *ctrspec, 2150 struct pmc_op_pmcallocate *pmc_config) 2151{ 2152 return (-1 || pe || ctrspec || pmc_config); /* shut up gcc */ 2153} 2154 2155/* 2156 * Pentium Pro style PMCs. These PMCs are found in Pentium II, Pentium III, 2157 * and Pentium M CPUs. 2158 */ 2159 2160static struct pmc_event_alias p6_aliases[] = { 2161 EV_ALIAS("branches", "p6-br-inst-retired"), 2162 EV_ALIAS("branch-mispredicts", "p6-br-miss-pred-retired"), 2163 EV_ALIAS("cycles", "tsc"), 2164 EV_ALIAS("dc-misses", "p6-dcu-lines-in"), 2165 EV_ALIAS("ic-misses", "p6-ifu-fetch-miss"), 2166 EV_ALIAS("instructions", "p6-inst-retired"), 2167 EV_ALIAS("interrupts", "p6-hw-int-rx"), 2168 EV_ALIAS("unhalted-cycles", "p6-cpu-clk-unhalted"), 2169 EV_ALIAS(NULL, NULL) 2170}; 2171 2172#define P6_KW_CMASK "cmask" 2173#define P6_KW_EDGE "edge" 2174#define P6_KW_INV "inv" 2175#define P6_KW_OS "os" 2176#define P6_KW_UMASK "umask" 2177#define P6_KW_USR "usr" 2178 2179static struct pmc_masks p6_mask_mesi[] = { 2180 PMCMASK(m, 0x01), 2181 PMCMASK(e, 0x02), 2182 PMCMASK(s, 0x04), 2183 PMCMASK(i, 0x08), 2184 NULLMASK 2185}; 2186 2187static struct pmc_masks p6_mask_mesihw[] = { 2188 PMCMASK(m, 0x01), 2189 PMCMASK(e, 0x02), 2190 PMCMASK(s, 0x04), 2191 PMCMASK(i, 0x08), 2192 PMCMASK(nonhw, 0x00), 2193 PMCMASK(hw, 0x10), 2194 PMCMASK(both, 0x30), 2195 NULLMASK 2196}; 2197 2198static struct pmc_masks p6_mask_hw[] = { 2199 PMCMASK(nonhw, 0x00), 2200 PMCMASK(hw, 0x10), 2201 PMCMASK(both, 0x30), 2202 NULLMASK 2203}; 2204 2205static struct pmc_masks p6_mask_any[] = { 2206 PMCMASK(self, 0x00), 2207 PMCMASK(any, 0x20), 2208 NULLMASK 2209}; 2210 2211static struct pmc_masks p6_mask_ekp[] = { 2212 PMCMASK(nta, 0x00), 2213 PMCMASK(t1, 0x01), 2214 PMCMASK(t2, 0x02), 2215 PMCMASK(wos, 0x03), 2216 NULLMASK 2217}; 2218 2219static struct pmc_masks p6_mask_pps[] = { 2220 PMCMASK(packed-and-scalar, 0x00), 2221 PMCMASK(scalar, 0x01), 2222 NULLMASK 2223}; 2224 2225static struct pmc_masks p6_mask_mite[] = { 2226 PMCMASK(packed-multiply, 0x01), 2227 PMCMASK(packed-shift, 0x02), 2228 PMCMASK(pack, 0x04), 2229 PMCMASK(unpack, 0x08), 2230 PMCMASK(packed-logical, 0x10), 2231 PMCMASK(packed-arithmetic, 0x20), 2232 NULLMASK 2233}; 2234 2235static struct pmc_masks p6_mask_fmt[] = { 2236 PMCMASK(mmxtofp, 0x00), 2237 PMCMASK(fptommx, 0x01), 2238 NULLMASK 2239}; 2240 2241static struct pmc_masks p6_mask_sr[] = { 2242 PMCMASK(es, 0x01), 2243 PMCMASK(ds, 0x02), 2244 PMCMASK(fs, 0x04), 2245 PMCMASK(gs, 0x08), 2246 NULLMASK 2247}; 2248 2249static struct pmc_masks p6_mask_eet[] = { 2250 PMCMASK(all, 0x00), 2251 PMCMASK(freq, 0x02), 2252 NULLMASK 2253}; 2254 2255static struct pmc_masks p6_mask_efur[] = { 2256 PMCMASK(all, 0x00), 2257 PMCMASK(loadop, 0x01), 2258 PMCMASK(stdsta, 0x02), 2259 NULLMASK 2260}; 2261 2262static struct pmc_masks p6_mask_essir[] = { 2263 PMCMASK(sse-packed-single, 0x00), 2264 PMCMASK(sse-packed-single-scalar-single, 0x01), 2265 PMCMASK(sse2-packed-double, 0x02), 2266 PMCMASK(sse2-scalar-double, 0x03), 2267 NULLMASK 2268}; 2269 2270static struct pmc_masks p6_mask_esscir[] = { 2271 PMCMASK(sse-packed-single, 0x00), 2272 PMCMASK(sse-scalar-single, 0x01), 2273 PMCMASK(sse2-packed-double, 0x02), 2274 PMCMASK(sse2-scalar-double, 0x03), 2275 NULLMASK 2276}; 2277 2278/* P6 event parser */ 2279static int 2280p6_allocate_pmc(enum pmc_event pe, char *ctrspec, 2281 struct pmc_op_pmcallocate *pmc_config) 2282{ 2283 char *e, *p, *q; 2284 uint64_t evmask; 2285 int count, n; 2286 const struct pmc_masks *pm, *pmask; 2287 2288 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 2289 pmc_config->pm_md.pm_ppro.pm_ppro_config = 0; 2290 2291 evmask = 0; 2292 2293#define P6MASKSET(M) pmask = p6_mask_ ## M 2294 2295 switch(pe) { 2296 case PMC_EV_P6_L2_IFETCH: P6MASKSET(mesi); break; 2297 case PMC_EV_P6_L2_LD: P6MASKSET(mesi); break; 2298 case PMC_EV_P6_L2_ST: P6MASKSET(mesi); break; 2299 case PMC_EV_P6_L2_RQSTS: P6MASKSET(mesi); break; 2300 case PMC_EV_P6_BUS_DRDY_CLOCKS: 2301 case PMC_EV_P6_BUS_LOCK_CLOCKS: 2302 case PMC_EV_P6_BUS_TRAN_BRD: 2303 case PMC_EV_P6_BUS_TRAN_RFO: 2304 case PMC_EV_P6_BUS_TRANS_WB: 2305 case PMC_EV_P6_BUS_TRAN_IFETCH: 2306 case PMC_EV_P6_BUS_TRAN_INVAL: 2307 case PMC_EV_P6_BUS_TRAN_PWR: 2308 case PMC_EV_P6_BUS_TRANS_P: 2309 case PMC_EV_P6_BUS_TRANS_IO: 2310 case PMC_EV_P6_BUS_TRAN_DEF: 2311 case PMC_EV_P6_BUS_TRAN_BURST: 2312 case PMC_EV_P6_BUS_TRAN_ANY: 2313 case PMC_EV_P6_BUS_TRAN_MEM: 2314 P6MASKSET(any); break; 2315 case PMC_EV_P6_EMON_KNI_PREF_DISPATCHED: 2316 case PMC_EV_P6_EMON_KNI_PREF_MISS: 2317 P6MASKSET(ekp); break; 2318 case PMC_EV_P6_EMON_KNI_INST_RETIRED: 2319 case PMC_EV_P6_EMON_KNI_COMP_INST_RET: 2320 P6MASKSET(pps); break; 2321 case PMC_EV_P6_MMX_INSTR_TYPE_EXEC: 2322 P6MASKSET(mite); break; 2323 case PMC_EV_P6_FP_MMX_TRANS: 2324 P6MASKSET(fmt); break; 2325 case PMC_EV_P6_SEG_RENAME_STALLS: 2326 case PMC_EV_P6_SEG_REG_RENAMES: 2327 P6MASKSET(sr); break; 2328 case PMC_EV_P6_EMON_EST_TRANS: 2329 P6MASKSET(eet); break; 2330 case PMC_EV_P6_EMON_FUSED_UOPS_RET: 2331 P6MASKSET(efur); break; 2332 case PMC_EV_P6_EMON_SSE_SSE2_INST_RETIRED: 2333 P6MASKSET(essir); break; 2334 case PMC_EV_P6_EMON_SSE_SSE2_COMP_INST_RETIRED: 2335 P6MASKSET(esscir); break; 2336 default: 2337 pmask = NULL; 2338 break; 2339 } 2340 2341 /* Pentium M PMCs have a few events with different semantics */ 2342 if (cpu_info.pm_cputype == PMC_CPU_INTEL_PM) { 2343 if (pe == PMC_EV_P6_L2_LD || 2344 pe == PMC_EV_P6_L2_LINES_IN || 2345 pe == PMC_EV_P6_L2_LINES_OUT) 2346 P6MASKSET(mesihw); 2347 else if (pe == PMC_EV_P6_L2_M_LINES_OUTM) 2348 P6MASKSET(hw); 2349 } 2350 2351 /* Parse additional modifiers if present */ 2352 while ((p = strsep(&ctrspec, ",")) != NULL) { 2353 if (KWPREFIXMATCH(p, P6_KW_CMASK "=")) { 2354 q = strchr(p, '='); 2355 if (*++q == '\0') /* skip '=' */ 2356 return (-1); 2357 count = strtol(q, &e, 0); 2358 if (e == q || *e != '\0') 2359 return (-1); 2360 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 2361 pmc_config->pm_md.pm_ppro.pm_ppro_config |= 2362 P6_EVSEL_TO_CMASK(count); 2363 } else if (KWMATCH(p, P6_KW_EDGE)) { 2364 pmc_config->pm_caps |= PMC_CAP_EDGE; 2365 } else if (KWMATCH(p, P6_KW_INV)) { 2366 pmc_config->pm_caps |= PMC_CAP_INVERT; 2367 } else if (KWMATCH(p, P6_KW_OS)) { 2368 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 2369 } else if (KWPREFIXMATCH(p, P6_KW_UMASK "=")) { 2370 evmask = 0; 2371 if ((n = pmc_parse_mask(pmask, p, &evmask)) < 0) 2372 return (-1); 2373 if ((pe == PMC_EV_P6_BUS_DRDY_CLOCKS || 2374 pe == PMC_EV_P6_BUS_LOCK_CLOCKS || 2375 pe == PMC_EV_P6_BUS_TRAN_BRD || 2376 pe == PMC_EV_P6_BUS_TRAN_RFO || 2377 pe == PMC_EV_P6_BUS_TRAN_IFETCH || 2378 pe == PMC_EV_P6_BUS_TRAN_INVAL || 2379 pe == PMC_EV_P6_BUS_TRAN_PWR || 2380 pe == PMC_EV_P6_BUS_TRAN_DEF || 2381 pe == PMC_EV_P6_BUS_TRAN_BURST || 2382 pe == PMC_EV_P6_BUS_TRAN_ANY || 2383 pe == PMC_EV_P6_BUS_TRAN_MEM || 2384 pe == PMC_EV_P6_BUS_TRANS_IO || 2385 pe == PMC_EV_P6_BUS_TRANS_P || 2386 pe == PMC_EV_P6_BUS_TRANS_WB || 2387 pe == PMC_EV_P6_EMON_EST_TRANS || 2388 pe == PMC_EV_P6_EMON_FUSED_UOPS_RET || 2389 pe == PMC_EV_P6_EMON_KNI_COMP_INST_RET || 2390 pe == PMC_EV_P6_EMON_KNI_INST_RETIRED || 2391 pe == PMC_EV_P6_EMON_KNI_PREF_DISPATCHED || 2392 pe == PMC_EV_P6_EMON_KNI_PREF_MISS || 2393 pe == PMC_EV_P6_EMON_SSE_SSE2_COMP_INST_RETIRED || 2394 pe == PMC_EV_P6_EMON_SSE_SSE2_INST_RETIRED || 2395 pe == PMC_EV_P6_FP_MMX_TRANS) 2396 && (n > 1)) /* Only one mask keyword is allowed. */ 2397 return (-1); 2398 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 2399 } else if (KWMATCH(p, P6_KW_USR)) { 2400 pmc_config->pm_caps |= PMC_CAP_USER; 2401 } else 2402 return (-1); 2403 } 2404 2405 /* post processing */ 2406 switch (pe) { 2407 2408 /* 2409 * The following events default to an evmask of 0 2410 */ 2411 2412 /* default => 'self' */ 2413 case PMC_EV_P6_BUS_DRDY_CLOCKS: 2414 case PMC_EV_P6_BUS_LOCK_CLOCKS: 2415 case PMC_EV_P6_BUS_TRAN_BRD: 2416 case PMC_EV_P6_BUS_TRAN_RFO: 2417 case PMC_EV_P6_BUS_TRANS_WB: 2418 case PMC_EV_P6_BUS_TRAN_IFETCH: 2419 case PMC_EV_P6_BUS_TRAN_INVAL: 2420 case PMC_EV_P6_BUS_TRAN_PWR: 2421 case PMC_EV_P6_BUS_TRANS_P: 2422 case PMC_EV_P6_BUS_TRANS_IO: 2423 case PMC_EV_P6_BUS_TRAN_DEF: 2424 case PMC_EV_P6_BUS_TRAN_BURST: 2425 case PMC_EV_P6_BUS_TRAN_ANY: 2426 case PMC_EV_P6_BUS_TRAN_MEM: 2427 2428 /* default => 'nta' */ 2429 case PMC_EV_P6_EMON_KNI_PREF_DISPATCHED: 2430 case PMC_EV_P6_EMON_KNI_PREF_MISS: 2431 2432 /* default => 'packed and scalar' */ 2433 case PMC_EV_P6_EMON_KNI_INST_RETIRED: 2434 case PMC_EV_P6_EMON_KNI_COMP_INST_RET: 2435 2436 /* default => 'mmx to fp transitions' */ 2437 case PMC_EV_P6_FP_MMX_TRANS: 2438 2439 /* default => 'SSE Packed Single' */ 2440 case PMC_EV_P6_EMON_SSE_SSE2_INST_RETIRED: 2441 case PMC_EV_P6_EMON_SSE_SSE2_COMP_INST_RETIRED: 2442 2443 /* default => 'all fused micro-ops' */ 2444 case PMC_EV_P6_EMON_FUSED_UOPS_RET: 2445 2446 /* default => 'all transitions' */ 2447 case PMC_EV_P6_EMON_EST_TRANS: 2448 break; 2449 2450 case PMC_EV_P6_MMX_UOPS_EXEC: 2451 evmask = 0x0F; /* only value allowed */ 2452 break; 2453 2454 default: 2455 /* 2456 * For all other events, set the default event mask 2457 * to a logical OR of all the allowed event mask bits. 2458 */ 2459 if (evmask == 0 && pmask) { 2460 for (pm = pmask; pm->pm_name; pm++) 2461 evmask |= pm->pm_value; 2462 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 2463 } 2464 2465 break; 2466 } 2467 2468 if (pmc_config->pm_caps & PMC_CAP_QUALIFIER) 2469 pmc_config->pm_md.pm_ppro.pm_ppro_config |= 2470 P6_EVSEL_TO_UMASK(evmask); 2471 2472 return (0); 2473} 2474 2475#endif 2476 2477#if defined(__i386__) || defined(__amd64__) 2478static int 2479tsc_allocate_pmc(enum pmc_event pe, char *ctrspec, 2480 struct pmc_op_pmcallocate *pmc_config) 2481{ 2482 if (pe != PMC_EV_TSC_TSC) 2483 return (-1); 2484 2485 /* TSC events must be unqualified. */ 2486 if (ctrspec && *ctrspec != '\0') 2487 return (-1); 2488 2489 pmc_config->pm_md.pm_amd.pm_amd_config = 0; 2490 pmc_config->pm_caps |= PMC_CAP_READ; 2491 2492 return (0); 2493} 2494#endif 2495 2496static struct pmc_event_alias generic_aliases[] = { 2497 EV_ALIAS("instructions", "SOFT-CLOCK.HARD"), 2498 EV_ALIAS(NULL, NULL) 2499}; 2500 2501static int 2502soft_allocate_pmc(enum pmc_event pe, char *ctrspec, 2503 struct pmc_op_pmcallocate *pmc_config) 2504{ 2505 (void)ctrspec; 2506 (void)pmc_config; 2507 2508 if ((int)pe < PMC_EV_SOFT_FIRST || (int)pe > PMC_EV_SOFT_LAST) 2509 return (-1); 2510 2511 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 2512 return (0); 2513} 2514 2515#if defined(__arm__) 2516#if defined(__XSCALE__) 2517 2518static struct pmc_event_alias xscale_aliases[] = { 2519 EV_ALIAS("branches", "BRANCH_RETIRED"), 2520 EV_ALIAS("branch-mispredicts", "BRANCH_MISPRED"), 2521 EV_ALIAS("dc-misses", "DC_MISS"), 2522 EV_ALIAS("ic-misses", "IC_MISS"), 2523 EV_ALIAS("instructions", "INSTR_RETIRED"), 2524 EV_ALIAS(NULL, NULL) 2525}; 2526static int 2527xscale_allocate_pmc(enum pmc_event pe, char *ctrspec __unused, 2528 struct pmc_op_pmcallocate *pmc_config __unused) 2529{ 2530 switch (pe) { 2531 default: 2532 break; 2533 } 2534 2535 return (0); 2536} 2537#endif 2538 2539static struct pmc_event_alias cortex_a8_aliases[] = { 2540 EV_ALIAS("dc-misses", "L1_DCACHE_REFILL"), 2541 EV_ALIAS("ic-misses", "L1_ICACHE_REFILL"), 2542 EV_ALIAS("instructions", "INSTR_EXECUTED"), 2543 EV_ALIAS(NULL, NULL) 2544}; 2545 2546static struct pmc_event_alias cortex_a9_aliases[] = { 2547 EV_ALIAS("dc-misses", "L1_DCACHE_REFILL"), 2548 EV_ALIAS("ic-misses", "L1_ICACHE_REFILL"), 2549 EV_ALIAS("instructions", "INSTR_EXECUTED"), 2550 EV_ALIAS(NULL, NULL) 2551}; 2552 2553static int 2554armv7_allocate_pmc(enum pmc_event pe, char *ctrspec __unused, 2555 struct pmc_op_pmcallocate *pmc_config __unused) 2556{ 2557 switch (pe) { 2558 default: 2559 break; 2560 } 2561 2562 return (0); 2563} 2564#endif 2565 2566#if defined(__aarch64__) 2567static struct pmc_event_alias cortex_a53_aliases[] = { 2568 EV_ALIAS(NULL, NULL) 2569}; 2570static struct pmc_event_alias cortex_a57_aliases[] = { 2571 EV_ALIAS(NULL, NULL) 2572}; 2573static int 2574arm64_allocate_pmc(enum pmc_event pe, char *ctrspec __unused, 2575 struct pmc_op_pmcallocate *pmc_config __unused) 2576{ 2577 switch (pe) { 2578 default: 2579 break; 2580 } 2581 2582 return (0); 2583} 2584#endif 2585 2586#if defined(__mips__) 2587 2588static struct pmc_event_alias mips24k_aliases[] = { 2589 EV_ALIAS("instructions", "INSTR_EXECUTED"), 2590 EV_ALIAS("branches", "BRANCH_COMPLETED"), 2591 EV_ALIAS("branch-mispredicts", "BRANCH_MISPRED"), 2592 EV_ALIAS(NULL, NULL) 2593}; 2594 2595static struct pmc_event_alias mips74k_aliases[] = { 2596 EV_ALIAS("instructions", "INSTR_EXECUTED"), 2597 EV_ALIAS("branches", "BRANCH_INSNS"), 2598 EV_ALIAS("branch-mispredicts", "MISPREDICTED_BRANCH_INSNS"), 2599 EV_ALIAS(NULL, NULL) 2600}; 2601 2602static struct pmc_event_alias octeon_aliases[] = { 2603 EV_ALIAS("instructions", "RET"), 2604 EV_ALIAS("branches", "BR"), 2605 EV_ALIAS("branch-mispredicts", "BRMIS"), 2606 EV_ALIAS(NULL, NULL) 2607}; 2608 2609#define MIPS_KW_OS "os" 2610#define MIPS_KW_USR "usr" 2611#define MIPS_KW_ANYTHREAD "anythread" 2612 2613static int 2614mips_allocate_pmc(enum pmc_event pe, char *ctrspec __unused, 2615 struct pmc_op_pmcallocate *pmc_config __unused) 2616{ 2617 char *p; 2618 2619 (void) pe; 2620 2621 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 2622 2623 while ((p = strsep(&ctrspec, ",")) != NULL) { 2624 if (KWMATCH(p, MIPS_KW_OS)) 2625 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 2626 else if (KWMATCH(p, MIPS_KW_USR)) 2627 pmc_config->pm_caps |= PMC_CAP_USER; 2628 else if (KWMATCH(p, MIPS_KW_ANYTHREAD)) 2629 pmc_config->pm_caps |= (PMC_CAP_USER | PMC_CAP_SYSTEM); 2630 else 2631 return (-1); 2632 } 2633 2634 return (0); 2635} 2636 2637#endif /* __mips__ */ 2638 2639#if defined(__powerpc__) 2640 2641static struct pmc_event_alias ppc7450_aliases[] = { 2642 EV_ALIAS("instructions", "INSTR_COMPLETED"), 2643 EV_ALIAS("branches", "BRANCHES_COMPLETED"), 2644 EV_ALIAS("branch-mispredicts", "MISPREDICTED_BRANCHES"), 2645 EV_ALIAS(NULL, NULL) 2646}; 2647 2648static struct pmc_event_alias ppc970_aliases[] = { 2649 EV_ALIAS("instructions", "INSTR_COMPLETED"), 2650 EV_ALIAS("cycles", "CYCLES"), 2651 EV_ALIAS(NULL, NULL) 2652}; 2653 2654static struct pmc_event_alias e500_aliases[] = { 2655 EV_ALIAS("instructions", "INSTR_COMPLETED"), 2656 EV_ALIAS("cycles", "CYCLES"), 2657 EV_ALIAS(NULL, NULL) 2658}; 2659 2660#define POWERPC_KW_OS "os" 2661#define POWERPC_KW_USR "usr" 2662#define POWERPC_KW_ANYTHREAD "anythread" 2663 2664static int 2665powerpc_allocate_pmc(enum pmc_event pe, char *ctrspec __unused, 2666 struct pmc_op_pmcallocate *pmc_config __unused) 2667{ 2668 char *p; 2669 2670 (void) pe; 2671 2672 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 2673 2674 while ((p = strsep(&ctrspec, ",")) != NULL) { 2675 if (KWMATCH(p, POWERPC_KW_OS)) 2676 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 2677 else if (KWMATCH(p, POWERPC_KW_USR)) 2678 pmc_config->pm_caps |= PMC_CAP_USER; 2679 else if (KWMATCH(p, POWERPC_KW_ANYTHREAD)) 2680 pmc_config->pm_caps |= (PMC_CAP_USER | PMC_CAP_SYSTEM); 2681 else 2682 return (-1); 2683 } 2684 2685 return (0); 2686} 2687 2688#endif /* __powerpc__ */ 2689 2690 2691/* 2692 * Match an event name `name' with its canonical form. 2693 * 2694 * Matches are case insensitive and spaces, periods, underscores and 2695 * hyphen characters are considered to match each other. 2696 * 2697 * Returns 1 for a match, 0 otherwise. 2698 */ 2699 2700static int 2701pmc_match_event_name(const char *name, const char *canonicalname) 2702{ 2703 int cc, nc; 2704 const unsigned char *c, *n; 2705 2706 c = (const unsigned char *) canonicalname; 2707 n = (const unsigned char *) name; 2708 2709 for (; (nc = *n) && (cc = *c); n++, c++) { 2710 2711 if ((nc == ' ' || nc == '_' || nc == '-' || nc == '.') && 2712 (cc == ' ' || cc == '_' || cc == '-' || cc == '.')) 2713 continue; 2714 2715 if (toupper(nc) == toupper(cc)) 2716 continue; 2717 2718 2719 return (0); 2720 } 2721 2722 if (*n == '\0' && *c == '\0') 2723 return (1); 2724 2725 return (0); 2726} 2727 2728/* 2729 * Match an event name against all the event named supported by a 2730 * PMC class. 2731 * 2732 * Returns an event descriptor pointer on match or NULL otherwise. 2733 */ 2734static const struct pmc_event_descr * 2735pmc_match_event_class(const char *name, 2736 const struct pmc_class_descr *pcd) 2737{ 2738 size_t n; 2739 const struct pmc_event_descr *ev; 2740 2741 ev = pcd->pm_evc_event_table; 2742 for (n = 0; n < pcd->pm_evc_event_table_size; n++, ev++) 2743 if (pmc_match_event_name(name, ev->pm_ev_name)) 2744 return (ev); 2745 2746 return (NULL); 2747} 2748 2749static int 2750pmc_mdep_is_compatible_class(enum pmc_class pc) 2751{ 2752 size_t n; 2753 2754 for (n = 0; n < pmc_mdep_class_list_size; n++) 2755 if (pmc_mdep_class_list[n] == pc) 2756 return (1); 2757 return (0); 2758} 2759 2760/* 2761 * API entry points 2762 */ 2763 2764int 2765pmc_allocate(const char *ctrspec, enum pmc_mode mode, 2766 uint32_t flags, int cpu, pmc_id_t *pmcid) 2767{ 2768 size_t n; 2769 int retval; 2770 char *r, *spec_copy; 2771 const char *ctrname; 2772 const struct pmc_event_descr *ev; 2773 const struct pmc_event_alias *alias; 2774 struct pmc_op_pmcallocate pmc_config; 2775 const struct pmc_class_descr *pcd; 2776 2777 spec_copy = NULL; 2778 retval = -1; 2779 2780 if (mode != PMC_MODE_SS && mode != PMC_MODE_TS && 2781 mode != PMC_MODE_SC && mode != PMC_MODE_TC) { 2782 errno = EINVAL; 2783 goto out; 2784 } 2785 2786 /* replace an event alias with the canonical event specifier */ 2787 if (pmc_mdep_event_aliases) 2788 for (alias = pmc_mdep_event_aliases; alias->pm_alias; alias++) 2789 if (!strcasecmp(ctrspec, alias->pm_alias)) { 2790 spec_copy = strdup(alias->pm_spec); 2791 break; 2792 } 2793 2794 if (spec_copy == NULL) 2795 spec_copy = strdup(ctrspec); 2796 2797 r = spec_copy; 2798 ctrname = strsep(&r, ","); 2799 2800 /* 2801 * If a explicit class prefix was given by the user, restrict the 2802 * search for the event to the specified PMC class. 2803 */ 2804 ev = NULL; 2805 for (n = 0; n < PMC_CLASS_TABLE_SIZE; n++) { 2806 pcd = pmc_class_table[n]; 2807 if (pmc_mdep_is_compatible_class(pcd->pm_evc_class) && 2808 strncasecmp(ctrname, pcd->pm_evc_name, 2809 pcd->pm_evc_name_size) == 0) { 2810 if ((ev = pmc_match_event_class(ctrname + 2811 pcd->pm_evc_name_size, pcd)) == NULL) { 2812 errno = EINVAL; 2813 goto out; 2814 } 2815 break; 2816 } 2817 } 2818 2819 /* 2820 * Otherwise, search for this event in all compatible PMC 2821 * classes. 2822 */ 2823 for (n = 0; ev == NULL && n < PMC_CLASS_TABLE_SIZE; n++) { 2824 pcd = pmc_class_table[n]; 2825 if (pmc_mdep_is_compatible_class(pcd->pm_evc_class)) 2826 ev = pmc_match_event_class(ctrname, pcd); 2827 } 2828 2829 if (ev == NULL) { 2830 errno = EINVAL; 2831 goto out; 2832 } 2833 2834 bzero(&pmc_config, sizeof(pmc_config)); 2835 pmc_config.pm_ev = ev->pm_ev_code; 2836 pmc_config.pm_class = pcd->pm_evc_class; 2837 pmc_config.pm_cpu = cpu; 2838 pmc_config.pm_mode = mode; 2839 pmc_config.pm_flags = flags; 2840 2841 if (PMC_IS_SAMPLING_MODE(mode)) 2842 pmc_config.pm_caps |= PMC_CAP_INTERRUPT; 2843 2844 if (pcd->pm_evc_allocate_pmc(ev->pm_ev_code, r, &pmc_config) < 0) { 2845 errno = EINVAL; 2846 goto out; 2847 } 2848 2849 if (PMC_CALL(PMCALLOCATE, &pmc_config) < 0) 2850 goto out; 2851 2852 *pmcid = pmc_config.pm_pmcid; 2853 2854 retval = 0; 2855 2856 out: 2857 if (spec_copy) 2858 free(spec_copy); 2859 2860 return (retval); 2861} 2862 2863int 2864pmc_attach(pmc_id_t pmc, pid_t pid) 2865{ 2866 struct pmc_op_pmcattach pmc_attach_args; 2867 2868 pmc_attach_args.pm_pmc = pmc; 2869 pmc_attach_args.pm_pid = pid; 2870 2871 return (PMC_CALL(PMCATTACH, &pmc_attach_args)); 2872} 2873 2874int 2875pmc_capabilities(pmc_id_t pmcid, uint32_t *caps) 2876{ 2877 unsigned int i; 2878 enum pmc_class cl; 2879 2880 cl = PMC_ID_TO_CLASS(pmcid); 2881 for (i = 0; i < cpu_info.pm_nclass; i++) 2882 if (cpu_info.pm_classes[i].pm_class == cl) { 2883 *caps = cpu_info.pm_classes[i].pm_caps; 2884 return (0); 2885 } 2886 errno = EINVAL; 2887 return (-1); 2888} 2889 2890int 2891pmc_configure_logfile(int fd) 2892{ 2893 struct pmc_op_configurelog cla; 2894 2895 cla.pm_logfd = fd; 2896 if (PMC_CALL(CONFIGURELOG, &cla) < 0) 2897 return (-1); 2898 return (0); 2899} 2900 2901int 2902pmc_cpuinfo(const struct pmc_cpuinfo **pci) 2903{ 2904 if (pmc_syscall == -1) { 2905 errno = ENXIO; 2906 return (-1); 2907 } 2908 2909 *pci = &cpu_info; 2910 return (0); 2911} 2912 2913int 2914pmc_detach(pmc_id_t pmc, pid_t pid) 2915{ 2916 struct pmc_op_pmcattach pmc_detach_args; 2917 2918 pmc_detach_args.pm_pmc = pmc; 2919 pmc_detach_args.pm_pid = pid; 2920 return (PMC_CALL(PMCDETACH, &pmc_detach_args)); 2921} 2922 2923int 2924pmc_disable(int cpu, int pmc) 2925{ 2926 struct pmc_op_pmcadmin ssa; 2927 2928 ssa.pm_cpu = cpu; 2929 ssa.pm_pmc = pmc; 2930 ssa.pm_state = PMC_STATE_DISABLED; 2931 return (PMC_CALL(PMCADMIN, &ssa)); 2932} 2933 2934int 2935pmc_enable(int cpu, int pmc) 2936{ 2937 struct pmc_op_pmcadmin ssa; 2938 2939 ssa.pm_cpu = cpu; 2940 ssa.pm_pmc = pmc; 2941 ssa.pm_state = PMC_STATE_FREE; 2942 return (PMC_CALL(PMCADMIN, &ssa)); 2943} 2944 2945/* 2946 * Return a list of events known to a given PMC class. 'cl' is the 2947 * PMC class identifier, 'eventnames' is the returned list of 'const 2948 * char *' pointers pointing to the names of the events. 'nevents' is 2949 * the number of event name pointers returned. 2950 * 2951 * The space for 'eventnames' is allocated using malloc(3). The caller 2952 * is responsible for freeing this space when done. 2953 */ 2954int 2955pmc_event_names_of_class(enum pmc_class cl, const char ***eventnames, 2956 int *nevents) 2957{ 2958 int count; 2959 const char **names; 2960 const struct pmc_event_descr *ev; 2961 2962 switch (cl) 2963 { 2964 case PMC_CLASS_IAF: 2965 ev = iaf_event_table; 2966 count = PMC_EVENT_TABLE_SIZE(iaf); 2967 break; 2968 case PMC_CLASS_IAP: 2969 /* 2970 * Return the most appropriate set of event name 2971 * spellings for the current CPU. 2972 */ 2973 switch (cpu_info.pm_cputype) { 2974 default: 2975 case PMC_CPU_INTEL_ATOM: 2976 ev = atom_event_table; 2977 count = PMC_EVENT_TABLE_SIZE(atom); 2978 break; 2979 case PMC_CPU_INTEL_ATOM_SILVERMONT: 2980 ev = atom_silvermont_event_table; 2981 count = PMC_EVENT_TABLE_SIZE(atom_silvermont); 2982 break; 2983 case PMC_CPU_INTEL_CORE: 2984 ev = core_event_table; 2985 count = PMC_EVENT_TABLE_SIZE(core); 2986 break; 2987 case PMC_CPU_INTEL_CORE2: 2988 case PMC_CPU_INTEL_CORE2EXTREME: 2989 ev = core2_event_table; 2990 count = PMC_EVENT_TABLE_SIZE(core2); 2991 break; 2992 case PMC_CPU_INTEL_COREI7: 2993 ev = corei7_event_table; 2994 count = PMC_EVENT_TABLE_SIZE(corei7); 2995 break; 2996 case PMC_CPU_INTEL_NEHALEM_EX: 2997 ev = nehalem_ex_event_table; 2998 count = PMC_EVENT_TABLE_SIZE(nehalem_ex); 2999 break; 3000 case PMC_CPU_INTEL_HASWELL: 3001 ev = haswell_event_table; 3002 count = PMC_EVENT_TABLE_SIZE(haswell); 3003 break; 3004 case PMC_CPU_INTEL_HASWELL_XEON: 3005 ev = haswell_xeon_event_table; 3006 count = PMC_EVENT_TABLE_SIZE(haswell_xeon); 3007 break; 3008 case PMC_CPU_INTEL_BROADWELL: 3009 ev = broadwell_event_table; 3010 count = PMC_EVENT_TABLE_SIZE(broadwell); 3011 break; 3012 case PMC_CPU_INTEL_BROADWELL_XEON: 3013 ev = broadwell_xeon_event_table; 3014 count = PMC_EVENT_TABLE_SIZE(broadwell_xeon); 3015 break; 3016 case PMC_CPU_INTEL_SKYLAKE: 3017 ev = skylake_event_table; 3018 count = PMC_EVENT_TABLE_SIZE(skylake); 3019 break; 3020 case PMC_CPU_INTEL_SKYLAKE_XEON: 3021 ev = skylake_xeon_event_table; 3022 count = PMC_EVENT_TABLE_SIZE(skylake_xeon); 3023 break; 3024 case PMC_CPU_INTEL_IVYBRIDGE: 3025 ev = ivybridge_event_table; 3026 count = PMC_EVENT_TABLE_SIZE(ivybridge); 3027 break; 3028 case PMC_CPU_INTEL_IVYBRIDGE_XEON: 3029 ev = ivybridge_xeon_event_table; 3030 count = PMC_EVENT_TABLE_SIZE(ivybridge_xeon); 3031 break; 3032 case PMC_CPU_INTEL_SANDYBRIDGE: 3033 ev = sandybridge_event_table; 3034 count = PMC_EVENT_TABLE_SIZE(sandybridge); 3035 break; 3036 case PMC_CPU_INTEL_SANDYBRIDGE_XEON: 3037 ev = sandybridge_xeon_event_table; 3038 count = PMC_EVENT_TABLE_SIZE(sandybridge_xeon); 3039 break; 3040 case PMC_CPU_INTEL_WESTMERE: 3041 ev = westmere_event_table; 3042 count = PMC_EVENT_TABLE_SIZE(westmere); 3043 break; 3044 case PMC_CPU_INTEL_WESTMERE_EX: 3045 ev = westmere_ex_event_table; 3046 count = PMC_EVENT_TABLE_SIZE(westmere_ex); 3047 break; 3048 } 3049 break; 3050 case PMC_CLASS_UCF: 3051 ev = ucf_event_table; 3052 count = PMC_EVENT_TABLE_SIZE(ucf); 3053 break; 3054 case PMC_CLASS_UCP: 3055 /* 3056 * Return the most appropriate set of event name 3057 * spellings for the current CPU. 3058 */ 3059 switch (cpu_info.pm_cputype) { 3060 default: 3061 case PMC_CPU_INTEL_COREI7: 3062 ev = corei7uc_event_table; 3063 count = PMC_EVENT_TABLE_SIZE(corei7uc); 3064 break; 3065 case PMC_CPU_INTEL_HASWELL: 3066 ev = haswelluc_event_table; 3067 count = PMC_EVENT_TABLE_SIZE(haswelluc); 3068 break; 3069 case PMC_CPU_INTEL_BROADWELL: 3070 ev = broadwelluc_event_table; 3071 count = PMC_EVENT_TABLE_SIZE(broadwelluc); 3072 break; 3073 case PMC_CPU_INTEL_SANDYBRIDGE: 3074 ev = sandybridgeuc_event_table; 3075 count = PMC_EVENT_TABLE_SIZE(sandybridgeuc); 3076 break; 3077 case PMC_CPU_INTEL_WESTMERE: 3078 ev = westmereuc_event_table; 3079 count = PMC_EVENT_TABLE_SIZE(westmereuc); 3080 break; 3081 } 3082 break; 3083 case PMC_CLASS_TSC: 3084 ev = tsc_event_table; 3085 count = PMC_EVENT_TABLE_SIZE(tsc); 3086 break; 3087 case PMC_CLASS_K7: 3088 ev = k7_event_table; 3089 count = PMC_EVENT_TABLE_SIZE(k7); 3090 break; 3091 case PMC_CLASS_K8: 3092 ev = k8_event_table; 3093 count = PMC_EVENT_TABLE_SIZE(k8); 3094 break; 3095 case PMC_CLASS_P4: 3096 ev = p4_event_table; 3097 count = PMC_EVENT_TABLE_SIZE(p4); 3098 break; 3099 case PMC_CLASS_P5: 3100 ev = p5_event_table; 3101 count = PMC_EVENT_TABLE_SIZE(p5); 3102 break; 3103 case PMC_CLASS_P6: 3104 ev = p6_event_table; 3105 count = PMC_EVENT_TABLE_SIZE(p6); 3106 break; 3107 case PMC_CLASS_XSCALE: 3108 ev = xscale_event_table; 3109 count = PMC_EVENT_TABLE_SIZE(xscale); 3110 break; 3111 case PMC_CLASS_ARMV7: 3112 switch (cpu_info.pm_cputype) { 3113 default: 3114 case PMC_CPU_ARMV7_CORTEX_A8: 3115 ev = cortex_a8_event_table; 3116 count = PMC_EVENT_TABLE_SIZE(cortex_a8); 3117 break; 3118 case PMC_CPU_ARMV7_CORTEX_A9: 3119 ev = cortex_a9_event_table; 3120 count = PMC_EVENT_TABLE_SIZE(cortex_a9); 3121 break; 3122 } 3123 break; 3124 case PMC_CLASS_ARMV8: 3125 switch (cpu_info.pm_cputype) { 3126 default: 3127 case PMC_CPU_ARMV8_CORTEX_A53: 3128 ev = cortex_a53_event_table; 3129 count = PMC_EVENT_TABLE_SIZE(cortex_a53); 3130 break; 3131 case PMC_CPU_ARMV8_CORTEX_A57: 3132 ev = cortex_a57_event_table; 3133 count = PMC_EVENT_TABLE_SIZE(cortex_a57); 3134 break; 3135 } 3136 break; 3137 case PMC_CLASS_MIPS24K: 3138 ev = mips24k_event_table; 3139 count = PMC_EVENT_TABLE_SIZE(mips24k); 3140 break; 3141 case PMC_CLASS_MIPS74K: 3142 ev = mips74k_event_table; 3143 count = PMC_EVENT_TABLE_SIZE(mips74k); 3144 break; 3145 case PMC_CLASS_OCTEON: 3146 ev = octeon_event_table; 3147 count = PMC_EVENT_TABLE_SIZE(octeon); 3148 break; 3149 case PMC_CLASS_PPC7450: 3150 ev = ppc7450_event_table; 3151 count = PMC_EVENT_TABLE_SIZE(ppc7450); 3152 break; 3153 case PMC_CLASS_PPC970: 3154 ev = ppc970_event_table; 3155 count = PMC_EVENT_TABLE_SIZE(ppc970); 3156 break; 3157 case PMC_CLASS_E500: 3158 ev = e500_event_table; 3159 count = PMC_EVENT_TABLE_SIZE(e500); 3160 break; 3161 case PMC_CLASS_SOFT: 3162 ev = soft_event_table; 3163 count = soft_event_info.pm_nevent; 3164 break; 3165 default: 3166 errno = EINVAL; 3167 return (-1); 3168 } 3169 3170 if ((names = malloc(count * sizeof(const char *))) == NULL) 3171 return (-1); 3172 3173 *eventnames = names; 3174 *nevents = count; 3175 3176 for (;count--; ev++, names++) 3177 *names = ev->pm_ev_name; 3178 3179 return (0); 3180} 3181 3182int 3183pmc_flush_logfile(void) 3184{ 3185 return (PMC_CALL(FLUSHLOG,0)); 3186} 3187 3188int 3189pmc_close_logfile(void) 3190{ 3191 return (PMC_CALL(CLOSELOG,0)); 3192} 3193 3194int 3195pmc_get_driver_stats(struct pmc_driverstats *ds) 3196{ 3197 struct pmc_op_getdriverstats gms; 3198 3199 if (PMC_CALL(GETDRIVERSTATS, &gms) < 0) 3200 return (-1); 3201 3202 /* copy out fields in the current userland<->library interface */ 3203 ds->pm_intr_ignored = gms.pm_intr_ignored; 3204 ds->pm_intr_processed = gms.pm_intr_processed; 3205 ds->pm_intr_bufferfull = gms.pm_intr_bufferfull; 3206 ds->pm_syscalls = gms.pm_syscalls; 3207 ds->pm_syscall_errors = gms.pm_syscall_errors; 3208 ds->pm_buffer_requests = gms.pm_buffer_requests; 3209 ds->pm_buffer_requests_failed = gms.pm_buffer_requests_failed; 3210 ds->pm_log_sweeps = gms.pm_log_sweeps; 3211 return (0); 3212} 3213 3214int 3215pmc_get_msr(pmc_id_t pmc, uint32_t *msr) 3216{ 3217 struct pmc_op_getmsr gm; 3218 3219 gm.pm_pmcid = pmc; 3220 if (PMC_CALL(PMCGETMSR, &gm) < 0) 3221 return (-1); 3222 *msr = gm.pm_msr; 3223 return (0); 3224} 3225 3226int 3227pmc_init(void) 3228{ 3229 int error, pmc_mod_id; 3230 unsigned int n; 3231 uint32_t abi_version; 3232 struct module_stat pmc_modstat; 3233 struct pmc_op_getcpuinfo op_cpu_info; 3234#if defined(__amd64__) || defined(__i386__) 3235 int cpu_has_iaf_counters; 3236 unsigned int t; 3237#endif 3238 3239 if (pmc_syscall != -1) /* already inited */ 3240 return (0); 3241 3242 /* retrieve the system call number from the KLD */ 3243 if ((pmc_mod_id = modfind(PMC_MODULE_NAME)) < 0) 3244 return (-1); 3245 3246 pmc_modstat.version = sizeof(struct module_stat); 3247 if ((error = modstat(pmc_mod_id, &pmc_modstat)) < 0) 3248 return (-1); 3249 3250 pmc_syscall = pmc_modstat.data.intval; 3251 3252 /* check the kernel module's ABI against our compiled-in version */ 3253 abi_version = PMC_VERSION; 3254 if (PMC_CALL(GETMODULEVERSION, &abi_version) < 0) 3255 return (pmc_syscall = -1); 3256 3257 /* ignore patch & minor numbers for the comparison */ 3258 if ((abi_version & 0xFF000000) != (PMC_VERSION & 0xFF000000)) { 3259 errno = EPROGMISMATCH; 3260 return (pmc_syscall = -1); 3261 } 3262 3263 if (PMC_CALL(GETCPUINFO, &op_cpu_info) < 0) 3264 return (pmc_syscall = -1); 3265 3266 cpu_info.pm_cputype = op_cpu_info.pm_cputype; 3267 cpu_info.pm_ncpu = op_cpu_info.pm_ncpu; 3268 cpu_info.pm_npmc = op_cpu_info.pm_npmc; 3269 cpu_info.pm_nclass = op_cpu_info.pm_nclass; 3270 for (n = 0; n < cpu_info.pm_nclass; n++) 3271 memcpy(&cpu_info.pm_classes[n], &op_cpu_info.pm_classes[n], 3272 sizeof(cpu_info.pm_classes[n])); 3273 3274 pmc_class_table = malloc(PMC_CLASS_TABLE_SIZE * 3275 sizeof(struct pmc_class_descr *)); 3276 3277 if (pmc_class_table == NULL) 3278 return (-1); 3279 3280 for (n = 0; n < PMC_CLASS_TABLE_SIZE; n++) 3281 pmc_class_table[n] = NULL; 3282 3283 /* 3284 * Get soft events list. 3285 */ 3286 soft_event_info.pm_class = PMC_CLASS_SOFT; 3287 if (PMC_CALL(GETDYNEVENTINFO, &soft_event_info) < 0) 3288 return (pmc_syscall = -1); 3289 3290 /* Map soft events to static list. */ 3291 for (n = 0; n < soft_event_info.pm_nevent; n++) { 3292 soft_event_table[n].pm_ev_name = 3293 soft_event_info.pm_events[n].pm_ev_name; 3294 soft_event_table[n].pm_ev_code = 3295 soft_event_info.pm_events[n].pm_ev_code; 3296 } 3297 soft_class_table_descr.pm_evc_event_table_size = \ 3298 soft_event_info.pm_nevent; 3299 soft_class_table_descr.pm_evc_event_table = \ 3300 soft_event_table; 3301 3302 /* 3303 * Fill in the class table. 3304 */ 3305 n = 0; 3306 3307 /* Fill soft events information. */ 3308 pmc_class_table[n++] = &soft_class_table_descr; 3309#if defined(__amd64__) || defined(__i386__) 3310 if (cpu_info.pm_cputype != PMC_CPU_GENERIC) 3311 pmc_class_table[n++] = &tsc_class_table_descr; 3312 3313 /* 3314 * Check if this CPU has fixed function counters. 3315 */ 3316 cpu_has_iaf_counters = 0; 3317 for (t = 0; t < cpu_info.pm_nclass; t++) 3318 if (cpu_info.pm_classes[t].pm_class == PMC_CLASS_IAF && 3319 cpu_info.pm_classes[t].pm_num > 0) 3320 cpu_has_iaf_counters = 1; 3321#endif 3322 3323#define PMC_MDEP_INIT(C) do { \ 3324 pmc_mdep_event_aliases = C##_aliases; \ 3325 pmc_mdep_class_list = C##_pmc_classes; \ 3326 pmc_mdep_class_list_size = \ 3327 PMC_TABLE_SIZE(C##_pmc_classes); \ 3328 } while (0) 3329 3330#define PMC_MDEP_INIT_INTEL_V2(C) do { \ 3331 PMC_MDEP_INIT(C); \ 3332 pmc_class_table[n++] = &iaf_class_table_descr; \ 3333 if (!cpu_has_iaf_counters) \ 3334 pmc_mdep_event_aliases = \ 3335 C##_aliases_without_iaf; \ 3336 pmc_class_table[n] = &C##_class_table_descr; \ 3337 } while (0) 3338 3339 /* Configure the event name parser. */ 3340 switch (cpu_info.pm_cputype) { 3341#if defined(__i386__) 3342 case PMC_CPU_AMD_K7: 3343 PMC_MDEP_INIT(k7); 3344 pmc_class_table[n] = &k7_class_table_descr; 3345 break; 3346 case PMC_CPU_INTEL_P5: 3347 PMC_MDEP_INIT(p5); 3348 pmc_class_table[n] = &p5_class_table_descr; 3349 break; 3350 case PMC_CPU_INTEL_P6: /* P6 ... Pentium M CPUs have */ 3351 case PMC_CPU_INTEL_PII: /* similar PMCs. */ 3352 case PMC_CPU_INTEL_PIII: 3353 case PMC_CPU_INTEL_PM: 3354 PMC_MDEP_INIT(p6); 3355 pmc_class_table[n] = &p6_class_table_descr; 3356 break; 3357#endif 3358#if defined(__amd64__) || defined(__i386__) 3359 case PMC_CPU_AMD_K8: 3360 PMC_MDEP_INIT(k8); 3361 pmc_class_table[n] = &k8_class_table_descr; 3362 break; 3363 case PMC_CPU_INTEL_ATOM: 3364 PMC_MDEP_INIT_INTEL_V2(atom); 3365 break; 3366 case PMC_CPU_INTEL_ATOM_SILVERMONT: 3367 PMC_MDEP_INIT_INTEL_V2(atom_silvermont); 3368 break; 3369 case PMC_CPU_INTEL_CORE: 3370 PMC_MDEP_INIT(core); 3371 pmc_class_table[n] = &core_class_table_descr; 3372 break; 3373 case PMC_CPU_INTEL_CORE2: 3374 case PMC_CPU_INTEL_CORE2EXTREME: 3375 PMC_MDEP_INIT_INTEL_V2(core2); 3376 break; 3377 case PMC_CPU_INTEL_COREI7: 3378 pmc_class_table[n++] = &ucf_class_table_descr; 3379 pmc_class_table[n++] = &corei7uc_class_table_descr; 3380 PMC_MDEP_INIT_INTEL_V2(corei7); 3381 break; 3382 case PMC_CPU_INTEL_NEHALEM_EX: 3383 PMC_MDEP_INIT_INTEL_V2(nehalem_ex); 3384 break; 3385 case PMC_CPU_INTEL_HASWELL: 3386 pmc_class_table[n++] = &ucf_class_table_descr; 3387 pmc_class_table[n++] = &haswelluc_class_table_descr; 3388 PMC_MDEP_INIT_INTEL_V2(haswell); 3389 break; 3390 case PMC_CPU_INTEL_HASWELL_XEON: 3391 PMC_MDEP_INIT_INTEL_V2(haswell_xeon); 3392 break; 3393 case PMC_CPU_INTEL_BROADWELL: 3394 pmc_class_table[n++] = &ucf_class_table_descr; 3395 pmc_class_table[n++] = &broadwelluc_class_table_descr; 3396 PMC_MDEP_INIT_INTEL_V2(broadwell); 3397 break; 3398 case PMC_CPU_INTEL_BROADWELL_XEON: 3399 PMC_MDEP_INIT_INTEL_V2(broadwell_xeon); 3400 break; 3401 case PMC_CPU_INTEL_SKYLAKE: 3402 PMC_MDEP_INIT_INTEL_V2(skylake); 3403 break; 3404 case PMC_CPU_INTEL_SKYLAKE_XEON: 3405 PMC_MDEP_INIT_INTEL_V2(skylake_xeon); 3406 break; 3407 case PMC_CPU_INTEL_IVYBRIDGE: 3408 PMC_MDEP_INIT_INTEL_V2(ivybridge); 3409 break; 3410 case PMC_CPU_INTEL_IVYBRIDGE_XEON: 3411 PMC_MDEP_INIT_INTEL_V2(ivybridge_xeon); 3412 break; 3413 case PMC_CPU_INTEL_SANDYBRIDGE: 3414 pmc_class_table[n++] = &ucf_class_table_descr; 3415 pmc_class_table[n++] = &sandybridgeuc_class_table_descr; 3416 PMC_MDEP_INIT_INTEL_V2(sandybridge); 3417 break; 3418 case PMC_CPU_INTEL_SANDYBRIDGE_XEON: 3419 PMC_MDEP_INIT_INTEL_V2(sandybridge_xeon); 3420 break; 3421 case PMC_CPU_INTEL_WESTMERE: 3422 pmc_class_table[n++] = &ucf_class_table_descr; 3423 pmc_class_table[n++] = &westmereuc_class_table_descr; 3424 PMC_MDEP_INIT_INTEL_V2(westmere); 3425 break; 3426 case PMC_CPU_INTEL_WESTMERE_EX: 3427 PMC_MDEP_INIT_INTEL_V2(westmere_ex); 3428 break; 3429 case PMC_CPU_INTEL_PIV: 3430 PMC_MDEP_INIT(p4); 3431 pmc_class_table[n] = &p4_class_table_descr; 3432 break; 3433#endif 3434 case PMC_CPU_GENERIC: 3435 PMC_MDEP_INIT(generic); 3436 break; 3437#if defined(__arm__) 3438#if defined(__XSCALE__) 3439 case PMC_CPU_INTEL_XSCALE: 3440 PMC_MDEP_INIT(xscale); 3441 pmc_class_table[n] = &xscale_class_table_descr; 3442 break; 3443#endif 3444 case PMC_CPU_ARMV7_CORTEX_A8: 3445 PMC_MDEP_INIT(cortex_a8); 3446 pmc_class_table[n] = &cortex_a8_class_table_descr; 3447 break; 3448 case PMC_CPU_ARMV7_CORTEX_A9: 3449 PMC_MDEP_INIT(cortex_a9); 3450 pmc_class_table[n] = &cortex_a9_class_table_descr; 3451 break; 3452#endif 3453#if defined(__aarch64__) 3454 case PMC_CPU_ARMV8_CORTEX_A53: 3455 PMC_MDEP_INIT(cortex_a53); 3456 pmc_class_table[n] = &cortex_a53_class_table_descr; 3457 break; 3458 case PMC_CPU_ARMV8_CORTEX_A57: 3459 PMC_MDEP_INIT(cortex_a57); 3460 pmc_class_table[n] = &cortex_a57_class_table_descr; 3461 break; 3462#endif 3463#if defined(__mips__) 3464 case PMC_CPU_MIPS_24K: 3465 PMC_MDEP_INIT(mips24k); 3466 pmc_class_table[n] = &mips24k_class_table_descr; 3467 break; 3468 case PMC_CPU_MIPS_74K: 3469 PMC_MDEP_INIT(mips74k); 3470 pmc_class_table[n] = &mips74k_class_table_descr; 3471 break; 3472 case PMC_CPU_MIPS_OCTEON: 3473 PMC_MDEP_INIT(octeon); 3474 pmc_class_table[n] = &octeon_class_table_descr; 3475 break; 3476#endif /* __mips__ */ 3477#if defined(__powerpc__) 3478 case PMC_CPU_PPC_7450: 3479 PMC_MDEP_INIT(ppc7450); 3480 pmc_class_table[n] = &ppc7450_class_table_descr; 3481 break; 3482 case PMC_CPU_PPC_970: 3483 PMC_MDEP_INIT(ppc970); 3484 pmc_class_table[n] = &ppc970_class_table_descr; 3485 break; 3486 case PMC_CPU_PPC_E500: 3487 PMC_MDEP_INIT(e500); 3488 pmc_class_table[n] = &e500_class_table_descr; 3489 break; 3490#endif 3491 default: 3492 /* 3493 * Some kind of CPU this version of the library knows nothing 3494 * about. This shouldn't happen since the abi version check 3495 * should have caught this. 3496 */ 3497 errno = ENXIO; 3498 return (pmc_syscall = -1); 3499 } 3500 3501 return (0); 3502} 3503 3504const char * 3505pmc_name_of_capability(enum pmc_caps cap) 3506{ 3507 int i; 3508 3509 /* 3510 * 'cap' should have a single bit set and should be in 3511 * range. 3512 */ 3513 if ((cap & (cap - 1)) || cap < PMC_CAP_FIRST || 3514 cap > PMC_CAP_LAST) { 3515 errno = EINVAL; 3516 return (NULL); 3517 } 3518 3519 i = ffs(cap); 3520 return (pmc_capability_names[i - 1]); 3521} 3522 3523const char * 3524pmc_name_of_class(enum pmc_class pc) 3525{ 3526 size_t n; 3527 3528 for (n = 0; n < PMC_TABLE_SIZE(pmc_class_names); n++) 3529 if (pc == pmc_class_names[n].pm_class) 3530 return (pmc_class_names[n].pm_name); 3531 3532 errno = EINVAL; 3533 return (NULL); 3534} 3535 3536const char * 3537pmc_name_of_cputype(enum pmc_cputype cp) 3538{ 3539 size_t n; 3540 3541 for (n = 0; n < PMC_TABLE_SIZE(pmc_cputype_names); n++) 3542 if (cp == pmc_cputype_names[n].pm_cputype) 3543 return (pmc_cputype_names[n].pm_name); 3544 3545 errno = EINVAL; 3546 return (NULL); 3547} 3548 3549const char * 3550pmc_name_of_disposition(enum pmc_disp pd) 3551{ 3552 if ((int) pd >= PMC_DISP_FIRST && 3553 pd <= PMC_DISP_LAST) 3554 return (pmc_disposition_names[pd]); 3555 3556 errno = EINVAL; 3557 return (NULL); 3558} 3559 3560const char * 3561_pmc_name_of_event(enum pmc_event pe, enum pmc_cputype cpu) 3562{ 3563 const struct pmc_event_descr *ev, *evfence; 3564 3565 ev = evfence = NULL; 3566 if (pe >= PMC_EV_IAF_FIRST && pe <= PMC_EV_IAF_LAST) { 3567 ev = iaf_event_table; 3568 evfence = iaf_event_table + PMC_EVENT_TABLE_SIZE(iaf); 3569 } else if (pe >= PMC_EV_IAP_FIRST && pe <= PMC_EV_IAP_LAST) { 3570 switch (cpu) { 3571 case PMC_CPU_INTEL_ATOM: 3572 ev = atom_event_table; 3573 evfence = atom_event_table + PMC_EVENT_TABLE_SIZE(atom); 3574 break; 3575 case PMC_CPU_INTEL_ATOM_SILVERMONT: 3576 ev = atom_silvermont_event_table; 3577 evfence = atom_silvermont_event_table + 3578 PMC_EVENT_TABLE_SIZE(atom_silvermont); 3579 break; 3580 case PMC_CPU_INTEL_CORE: 3581 ev = core_event_table; 3582 evfence = core_event_table + PMC_EVENT_TABLE_SIZE(core); 3583 break; 3584 case PMC_CPU_INTEL_CORE2: 3585 case PMC_CPU_INTEL_CORE2EXTREME: 3586 ev = core2_event_table; 3587 evfence = core2_event_table + PMC_EVENT_TABLE_SIZE(core2); 3588 break; 3589 case PMC_CPU_INTEL_COREI7: 3590 ev = corei7_event_table; 3591 evfence = corei7_event_table + PMC_EVENT_TABLE_SIZE(corei7); 3592 break; 3593 case PMC_CPU_INTEL_NEHALEM_EX: 3594 ev = nehalem_ex_event_table; 3595 evfence = nehalem_ex_event_table + 3596 PMC_EVENT_TABLE_SIZE(nehalem_ex); 3597 break; 3598 case PMC_CPU_INTEL_HASWELL: 3599 ev = haswell_event_table; 3600 evfence = haswell_event_table + PMC_EVENT_TABLE_SIZE(haswell); 3601 break; 3602 case PMC_CPU_INTEL_HASWELL_XEON: 3603 ev = haswell_xeon_event_table; 3604 evfence = haswell_xeon_event_table + PMC_EVENT_TABLE_SIZE(haswell_xeon); 3605 break; 3606 case PMC_CPU_INTEL_BROADWELL: 3607 ev = broadwell_event_table; 3608 evfence = broadwell_event_table + PMC_EVENT_TABLE_SIZE(broadwell); 3609 break; 3610 case PMC_CPU_INTEL_BROADWELL_XEON: 3611 ev = broadwell_xeon_event_table; 3612 evfence = broadwell_xeon_event_table + PMC_EVENT_TABLE_SIZE(broadwell_xeon); 3613 break; 3614 case PMC_CPU_INTEL_SKYLAKE: 3615 ev = skylake_event_table; 3616 evfence = skylake_event_table + 3617 PMC_EVENT_TABLE_SIZE(skylake); 3618 break; 3619 case PMC_CPU_INTEL_SKYLAKE_XEON: 3620 ev = skylake_xeon_event_table; 3621 evfence = skylake_xeon_event_table + 3622 PMC_EVENT_TABLE_SIZE(skylake_xeon); 3623 break; 3624 case PMC_CPU_INTEL_IVYBRIDGE: 3625 ev = ivybridge_event_table; 3626 evfence = ivybridge_event_table + PMC_EVENT_TABLE_SIZE(ivybridge); 3627 break; 3628 case PMC_CPU_INTEL_IVYBRIDGE_XEON: 3629 ev = ivybridge_xeon_event_table; 3630 evfence = ivybridge_xeon_event_table + PMC_EVENT_TABLE_SIZE(ivybridge_xeon); 3631 break; 3632 case PMC_CPU_INTEL_SANDYBRIDGE: 3633 ev = sandybridge_event_table; 3634 evfence = sandybridge_event_table + PMC_EVENT_TABLE_SIZE(sandybridge); 3635 break; 3636 case PMC_CPU_INTEL_SANDYBRIDGE_XEON: 3637 ev = sandybridge_xeon_event_table; 3638 evfence = sandybridge_xeon_event_table + PMC_EVENT_TABLE_SIZE(sandybridge_xeon); 3639 break; 3640 case PMC_CPU_INTEL_WESTMERE: 3641 ev = westmere_event_table; 3642 evfence = westmere_event_table + PMC_EVENT_TABLE_SIZE(westmere); 3643 break; 3644 case PMC_CPU_INTEL_WESTMERE_EX: 3645 ev = westmere_ex_event_table; 3646 evfence = westmere_ex_event_table + 3647 PMC_EVENT_TABLE_SIZE(westmere_ex); 3648 break; 3649 default: /* Unknown CPU type. */ 3650 break; 3651 } 3652 } else if (pe >= PMC_EV_UCF_FIRST && pe <= PMC_EV_UCF_LAST) { 3653 ev = ucf_event_table; 3654 evfence = ucf_event_table + PMC_EVENT_TABLE_SIZE(ucf); 3655 } else if (pe >= PMC_EV_UCP_FIRST && pe <= PMC_EV_UCP_LAST) { 3656 switch (cpu) { 3657 case PMC_CPU_INTEL_COREI7: 3658 ev = corei7uc_event_table; 3659 evfence = corei7uc_event_table + PMC_EVENT_TABLE_SIZE(corei7uc); 3660 break; 3661 case PMC_CPU_INTEL_SANDYBRIDGE: 3662 ev = sandybridgeuc_event_table; 3663 evfence = sandybridgeuc_event_table + PMC_EVENT_TABLE_SIZE(sandybridgeuc); 3664 break; 3665 case PMC_CPU_INTEL_WESTMERE: 3666 ev = westmereuc_event_table; 3667 evfence = westmereuc_event_table + PMC_EVENT_TABLE_SIZE(westmereuc); 3668 break; 3669 default: /* Unknown CPU type. */ 3670 break; 3671 } 3672 } else if (pe >= PMC_EV_K7_FIRST && pe <= PMC_EV_K7_LAST) { 3673 ev = k7_event_table; 3674 evfence = k7_event_table + PMC_EVENT_TABLE_SIZE(k7); 3675 } else if (pe >= PMC_EV_K8_FIRST && pe <= PMC_EV_K8_LAST) { 3676 ev = k8_event_table; 3677 evfence = k8_event_table + PMC_EVENT_TABLE_SIZE(k8); 3678 } else if (pe >= PMC_EV_P4_FIRST && pe <= PMC_EV_P4_LAST) { 3679 ev = p4_event_table; 3680 evfence = p4_event_table + PMC_EVENT_TABLE_SIZE(p4); 3681 } else if (pe >= PMC_EV_P5_FIRST && pe <= PMC_EV_P5_LAST) { 3682 ev = p5_event_table; 3683 evfence = p5_event_table + PMC_EVENT_TABLE_SIZE(p5); 3684 } else if (pe >= PMC_EV_P6_FIRST && pe <= PMC_EV_P6_LAST) { 3685 ev = p6_event_table; 3686 evfence = p6_event_table + PMC_EVENT_TABLE_SIZE(p6); 3687 } else if (pe >= PMC_EV_XSCALE_FIRST && pe <= PMC_EV_XSCALE_LAST) { 3688 ev = xscale_event_table; 3689 evfence = xscale_event_table + PMC_EVENT_TABLE_SIZE(xscale); 3690 } else if (pe >= PMC_EV_ARMV7_FIRST && pe <= PMC_EV_ARMV7_LAST) { 3691 switch (cpu) { 3692 case PMC_CPU_ARMV7_CORTEX_A8: 3693 ev = cortex_a8_event_table; 3694 evfence = cortex_a8_event_table + PMC_EVENT_TABLE_SIZE(cortex_a8); 3695 break; 3696 case PMC_CPU_ARMV7_CORTEX_A9: 3697 ev = cortex_a9_event_table; 3698 evfence = cortex_a9_event_table + PMC_EVENT_TABLE_SIZE(cortex_a9); 3699 break; 3700 default: /* Unknown CPU type. */ 3701 break; 3702 } 3703 } else if (pe >= PMC_EV_ARMV8_FIRST && pe <= PMC_EV_ARMV8_LAST) { 3704 switch (cpu) { 3705 case PMC_CPU_ARMV8_CORTEX_A53: 3706 ev = cortex_a53_event_table; 3707 evfence = cortex_a53_event_table + PMC_EVENT_TABLE_SIZE(cortex_a53); 3708 break; 3709 case PMC_CPU_ARMV8_CORTEX_A57: 3710 ev = cortex_a57_event_table; 3711 evfence = cortex_a57_event_table + PMC_EVENT_TABLE_SIZE(cortex_a57); 3712 break; 3713 default: /* Unknown CPU type. */ 3714 break; 3715 } 3716 } else if (pe >= PMC_EV_MIPS24K_FIRST && pe <= PMC_EV_MIPS24K_LAST) { 3717 ev = mips24k_event_table; 3718 evfence = mips24k_event_table + PMC_EVENT_TABLE_SIZE(mips24k); 3719 } else if (pe >= PMC_EV_MIPS74K_FIRST && pe <= PMC_EV_MIPS74K_LAST) { 3720 ev = mips74k_event_table; 3721 evfence = mips74k_event_table + PMC_EVENT_TABLE_SIZE(mips74k); 3722 } else if (pe >= PMC_EV_OCTEON_FIRST && pe <= PMC_EV_OCTEON_LAST) { 3723 ev = octeon_event_table; 3724 evfence = octeon_event_table + PMC_EVENT_TABLE_SIZE(octeon); 3725 } else if (pe >= PMC_EV_PPC7450_FIRST && pe <= PMC_EV_PPC7450_LAST) { 3726 ev = ppc7450_event_table; 3727 evfence = ppc7450_event_table + PMC_EVENT_TABLE_SIZE(ppc7450); 3728 } else if (pe >= PMC_EV_PPC970_FIRST && pe <= PMC_EV_PPC970_LAST) { 3729 ev = ppc970_event_table; 3730 evfence = ppc970_event_table + PMC_EVENT_TABLE_SIZE(ppc970); 3731 } else if (pe >= PMC_EV_E500_FIRST && pe <= PMC_EV_E500_LAST) { 3732 ev = e500_event_table; 3733 evfence = e500_event_table + PMC_EVENT_TABLE_SIZE(e500); 3734 } else if (pe == PMC_EV_TSC_TSC) { 3735 ev = tsc_event_table; 3736 evfence = tsc_event_table + PMC_EVENT_TABLE_SIZE(tsc); 3737 } else if ((int)pe >= PMC_EV_SOFT_FIRST && (int)pe <= PMC_EV_SOFT_LAST) { 3738 ev = soft_event_table; 3739 evfence = soft_event_table + soft_event_info.pm_nevent; 3740 } 3741 3742 for (; ev != evfence; ev++) 3743 if (pe == ev->pm_ev_code) 3744 return (ev->pm_ev_name); 3745 3746 return (NULL); 3747} 3748 3749const char * 3750pmc_name_of_event(enum pmc_event pe) 3751{ 3752 const char *n; 3753 3754 if ((n = _pmc_name_of_event(pe, cpu_info.pm_cputype)) != NULL) 3755 return (n); 3756 3757 errno = EINVAL; 3758 return (NULL); 3759} 3760 3761const char * 3762pmc_name_of_mode(enum pmc_mode pm) 3763{ 3764 if ((int) pm >= PMC_MODE_FIRST && 3765 pm <= PMC_MODE_LAST) 3766 return (pmc_mode_names[pm]); 3767 3768 errno = EINVAL; 3769 return (NULL); 3770} 3771 3772const char * 3773pmc_name_of_state(enum pmc_state ps) 3774{ 3775 if ((int) ps >= PMC_STATE_FIRST && 3776 ps <= PMC_STATE_LAST) 3777 return (pmc_state_names[ps]); 3778 3779 errno = EINVAL; 3780 return (NULL); 3781} 3782 3783int 3784pmc_ncpu(void) 3785{ 3786 if (pmc_syscall == -1) { 3787 errno = ENXIO; 3788 return (-1); 3789 } 3790 3791 return (cpu_info.pm_ncpu); 3792} 3793 3794int 3795pmc_npmc(int cpu) 3796{ 3797 if (pmc_syscall == -1) { 3798 errno = ENXIO; 3799 return (-1); 3800 } 3801 3802 if (cpu < 0 || cpu >= (int) cpu_info.pm_ncpu) { 3803 errno = EINVAL; 3804 return (-1); 3805 } 3806 3807 return (cpu_info.pm_npmc); 3808} 3809 3810int 3811pmc_pmcinfo(int cpu, struct pmc_pmcinfo **ppmci) 3812{ 3813 int nbytes, npmc; 3814 struct pmc_op_getpmcinfo *pmci; 3815 3816 if ((npmc = pmc_npmc(cpu)) < 0) 3817 return (-1); 3818 3819 nbytes = sizeof(struct pmc_op_getpmcinfo) + 3820 npmc * sizeof(struct pmc_info); 3821 3822 if ((pmci = calloc(1, nbytes)) == NULL) 3823 return (-1); 3824 3825 pmci->pm_cpu = cpu; 3826 3827 if (PMC_CALL(GETPMCINFO, pmci) < 0) { 3828 free(pmci); 3829 return (-1); 3830 } 3831 3832 /* kernel<->library, library<->userland interfaces are identical */ 3833 *ppmci = (struct pmc_pmcinfo *) pmci; 3834 return (0); 3835} 3836 3837int 3838pmc_read(pmc_id_t pmc, pmc_value_t *value) 3839{ 3840 struct pmc_op_pmcrw pmc_read_op; 3841 3842 pmc_read_op.pm_pmcid = pmc; 3843 pmc_read_op.pm_flags = PMC_F_OLDVALUE; 3844 pmc_read_op.pm_value = -1; 3845 3846 if (PMC_CALL(PMCRW, &pmc_read_op) < 0) 3847 return (-1); 3848 3849 *value = pmc_read_op.pm_value; 3850 return (0); 3851} 3852 3853int 3854pmc_release(pmc_id_t pmc) 3855{ 3856 struct pmc_op_simple pmc_release_args; 3857 3858 pmc_release_args.pm_pmcid = pmc; 3859 return (PMC_CALL(PMCRELEASE, &pmc_release_args)); 3860} 3861 3862int 3863pmc_rw(pmc_id_t pmc, pmc_value_t newvalue, pmc_value_t *oldvaluep) 3864{ 3865 struct pmc_op_pmcrw pmc_rw_op; 3866 3867 pmc_rw_op.pm_pmcid = pmc; 3868 pmc_rw_op.pm_flags = PMC_F_NEWVALUE | PMC_F_OLDVALUE; 3869 pmc_rw_op.pm_value = newvalue; 3870 3871 if (PMC_CALL(PMCRW, &pmc_rw_op) < 0) 3872 return (-1); 3873 3874 *oldvaluep = pmc_rw_op.pm_value; 3875 return (0); 3876} 3877 3878int 3879pmc_set(pmc_id_t pmc, pmc_value_t value) 3880{ 3881 struct pmc_op_pmcsetcount sc; 3882 3883 sc.pm_pmcid = pmc; 3884 sc.pm_count = value; 3885 3886 if (PMC_CALL(PMCSETCOUNT, &sc) < 0) 3887 return (-1); 3888 return (0); 3889} 3890 3891int 3892pmc_start(pmc_id_t pmc) 3893{ 3894 struct pmc_op_simple pmc_start_args; 3895 3896 pmc_start_args.pm_pmcid = pmc; 3897 return (PMC_CALL(PMCSTART, &pmc_start_args)); 3898} 3899 3900int 3901pmc_stop(pmc_id_t pmc) 3902{ 3903 struct pmc_op_simple pmc_stop_args; 3904 3905 pmc_stop_args.pm_pmcid = pmc; 3906 return (PMC_CALL(PMCSTOP, &pmc_stop_args)); 3907} 3908 3909int 3910pmc_width(pmc_id_t pmcid, uint32_t *width) 3911{ 3912 unsigned int i; 3913 enum pmc_class cl; 3914 3915 cl = PMC_ID_TO_CLASS(pmcid); 3916 for (i = 0; i < cpu_info.pm_nclass; i++) 3917 if (cpu_info.pm_classes[i].pm_class == cl) { 3918 *width = cpu_info.pm_classes[i].pm_width; 3919 return (0); 3920 } 3921 errno = EINVAL; 3922 return (-1); 3923} 3924 3925int 3926pmc_write(pmc_id_t pmc, pmc_value_t value) 3927{ 3928 struct pmc_op_pmcrw pmc_write_op; 3929 3930 pmc_write_op.pm_pmcid = pmc; 3931 pmc_write_op.pm_flags = PMC_F_NEWVALUE; 3932 pmc_write_op.pm_value = value; 3933 return (PMC_CALL(PMCRW, &pmc_write_op)); 3934} 3935 3936int 3937pmc_writelog(uint32_t userdata) 3938{ 3939 struct pmc_op_writelog wl; 3940 3941 wl.pm_userdata = userdata; 3942 return (PMC_CALL(WRITELOG, &wl)); 3943} 3944