1109998Smarkm/*- 2296341Sdelphij * Copyright (c) 2003-2008 Joseph Koshy 3296341Sdelphij * All rights reserved. 4296341Sdelphij * 5109998Smarkm * Redistribution and use in source and binary forms, with or without 6109998Smarkm * modification, are permitted provided that the following conditions 7109998Smarkm * are met: 8109998Smarkm * 1. Redistributions of source code must retain the above copyright 9109998Smarkm * notice, this list of conditions and the following disclaimer. 10109998Smarkm * 2. Redistributions in binary form must reproduce the above copyright 11109998Smarkm * notice, this list of conditions and the following disclaimer in the 12109998Smarkm * documentation and/or other materials provided with the distribution. 13109998Smarkm * 14296341Sdelphij * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15109998Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16109998Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17109998Smarkm * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18109998Smarkm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19109998Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20109998Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21109998Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22109998Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23109998Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24109998Smarkm * SUCH DAMAGE. 25109998Smarkm */ 26109998Smarkm 27109998Smarkm#include <sys/cdefs.h> 28109998Smarkm__FBSDID("$FreeBSD: releng/10.3/lib/libpmc/libpmc.c 280455 2015-03-24 20:00:11Z rrs $"); 29109998Smarkm 30109998Smarkm#include <sys/types.h> 31109998Smarkm#include <sys/param.h> 32109998Smarkm#include <sys/module.h> 33109998Smarkm#include <sys/pmc.h> 34109998Smarkm#include <sys/syscall.h> 35109998Smarkm 36109998Smarkm#include <ctype.h> 37109998Smarkm#include <errno.h> 38109998Smarkm#include <fcntl.h> 39109998Smarkm#include <pmc.h> 40109998Smarkm#include <stdio.h> 41109998Smarkm#include <stdlib.h> 42109998Smarkm#include <string.h> 43109998Smarkm#include <strings.h> 44109998Smarkm#include <unistd.h> 45109998Smarkm 46109998Smarkm#include "libpmcinternal.h" 47109998Smarkm 48109998Smarkm/* Function prototypes */ 49109998Smarkm#if defined(__i386__) 50109998Smarkmstatic int k7_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 51109998Smarkm struct pmc_op_pmcallocate *_pmc_config); 52109998Smarkm#endif 53109998Smarkm#if defined(__amd64__) || defined(__i386__) 54109998Smarkmstatic int iaf_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 55109998Smarkm struct pmc_op_pmcallocate *_pmc_config); 56109998Smarkmstatic int iap_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 57109998Smarkm struct pmc_op_pmcallocate *_pmc_config); 58109998Smarkmstatic int ucf_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 59109998Smarkm struct pmc_op_pmcallocate *_pmc_config); 60109998Smarkmstatic int ucp_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 61109998Smarkm struct pmc_op_pmcallocate *_pmc_config); 62109998Smarkmstatic int k8_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 63160814Ssimon struct pmc_op_pmcallocate *_pmc_config); 64109998Smarkmstatic int p4_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 65296341Sdelphij struct pmc_op_pmcallocate *_pmc_config); 66296341Sdelphij#endif 67296341Sdelphij#if defined(__i386__) 68296341Sdelphijstatic int p5_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 69296341Sdelphij struct pmc_op_pmcallocate *_pmc_config); 70109998Smarkmstatic int p6_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 71109998Smarkm struct pmc_op_pmcallocate *_pmc_config); 72296341Sdelphij#endif 73109998Smarkm#if defined(__amd64__) || defined(__i386__) 74109998Smarkmstatic int tsc_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 75109998Smarkm struct pmc_op_pmcallocate *_pmc_config); 76109998Smarkm#endif 77296341Sdelphij#if defined(__XSCALE__) 78296341Sdelphijstatic int xscale_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 79296341Sdelphij struct pmc_op_pmcallocate *_pmc_config); 80296341Sdelphij#endif 81109998Smarkm#if defined(__mips__) 82109998Smarkmstatic int mips_allocate_pmc(enum pmc_event _pe, char* ctrspec, 83296341Sdelphij struct pmc_op_pmcallocate *_pmc_config); 84296341Sdelphij#endif /* __mips__ */ 85296341Sdelphijstatic int soft_allocate_pmc(enum pmc_event _pe, char *_ctrspec, 86296341Sdelphij struct pmc_op_pmcallocate *_pmc_config); 87296341Sdelphij 88296341Sdelphij#if defined(__powerpc__) 89109998Smarkmstatic int powerpc_allocate_pmc(enum pmc_event _pe, char* ctrspec, 90109998Smarkm struct pmc_op_pmcallocate *_pmc_config); 91109998Smarkm#endif /* __powerpc__ */ 92296341Sdelphij 93109998Smarkm#define PMC_CALL(cmd, params) \ 94109998Smarkm syscall(pmc_syscall, PMC_OP_##cmd, (params)) 95109998Smarkm 96296341Sdelphij/* 97109998Smarkm * Event aliases provide a way for the user to ask for generic events 98109998Smarkm * like "cache-misses", or "instructions-retired". These aliases are 99109998Smarkm * mapped to the appropriate canonical event descriptions using a 100109998Smarkm * lookup table. 101296341Sdelphij */ 102296341Sdelphijstruct pmc_event_alias { 103296341Sdelphij const char *pm_alias; 104296341Sdelphij const char *pm_spec; 105296341Sdelphij}; 106109998Smarkm 107109998Smarkmstatic const struct pmc_event_alias *pmc_mdep_event_aliases; 108109998Smarkm 109109998Smarkm/* 110296341Sdelphij * The pmc_event_descr structure maps symbolic names known to the user 111296341Sdelphij * to integer codes used by the PMC KLD. 112296341Sdelphij */ 113296341Sdelphijstruct pmc_event_descr { 114296341Sdelphij const char *pm_ev_name; 115296341Sdelphij enum pmc_event pm_ev_code; 116296341Sdelphij}; 117109998Smarkm 118109998Smarkm/* 119296341Sdelphij * The pmc_class_descr structure maps class name prefixes for 120296341Sdelphij * event names to event tables and other PMC class data. 121109998Smarkm */ 122296341Sdelphijstruct pmc_class_descr { 123296341Sdelphij const char *pm_evc_name; 124296341Sdelphij size_t pm_evc_name_size; 125296341Sdelphij enum pmc_class pm_evc_class; 126296341Sdelphij const struct pmc_event_descr *pm_evc_event_table; 127296341Sdelphij size_t pm_evc_event_table_size; 128296341Sdelphij int (*pm_evc_allocate_pmc)(enum pmc_event _pe, 129296341Sdelphij char *_ctrspec, struct pmc_op_pmcallocate *_pa); 130296341Sdelphij}; 131296341Sdelphij 132296341Sdelphij#define PMC_TABLE_SIZE(N) (sizeof(N)/sizeof(N[0])) 133296341Sdelphij#define PMC_EVENT_TABLE_SIZE(N) PMC_TABLE_SIZE(N##_event_table) 134296341Sdelphij 135296341Sdelphij#undef __PMC_EV 136296341Sdelphij#define __PMC_EV(C,N) { #N, PMC_EV_ ## C ## _ ## N }, 137296341Sdelphij 138109998Smarkm/* 139109998Smarkm * PMC_CLASSDEP_TABLE(NAME, CLASS) 140160814Ssimon * 141296341Sdelphij * Define a table mapping event names and aliases to HWPMC event IDs. 142109998Smarkm */ 143296341Sdelphij#define PMC_CLASSDEP_TABLE(N, C) \ 144296341Sdelphij static const struct pmc_event_descr N##_event_table[] = \ 145296341Sdelphij { \ 146296341Sdelphij __PMC_EV_##C() \ 147296341Sdelphij } 148296341Sdelphij 149296341SdelphijPMC_CLASSDEP_TABLE(iaf, IAF); 150296341SdelphijPMC_CLASSDEP_TABLE(k7, K7); 151296341SdelphijPMC_CLASSDEP_TABLE(k8, K8); 152109998SmarkmPMC_CLASSDEP_TABLE(p4, P4); 153PMC_CLASSDEP_TABLE(p5, P5); 154PMC_CLASSDEP_TABLE(p6, P6); 155PMC_CLASSDEP_TABLE(xscale, XSCALE); 156PMC_CLASSDEP_TABLE(mips24k, MIPS24K); 157PMC_CLASSDEP_TABLE(octeon, OCTEON); 158PMC_CLASSDEP_TABLE(ucf, UCF); 159PMC_CLASSDEP_TABLE(ppc7450, PPC7450); 160PMC_CLASSDEP_TABLE(ppc970, PPC970); 161 162static struct pmc_event_descr soft_event_table[PMC_EV_DYN_COUNT]; 163 164#undef __PMC_EV_ALIAS 165#define __PMC_EV_ALIAS(N,CODE) { N, PMC_EV_##CODE }, 166 167static const struct pmc_event_descr atom_event_table[] = 168{ 169 __PMC_EV_ALIAS_ATOM() 170}; 171 172static const struct pmc_event_descr atom_silvermont_event_table[] = 173{ 174 __PMC_EV_ALIAS_ATOM_SILVERMONT() 175}; 176 177static const struct pmc_event_descr core_event_table[] = 178{ 179 __PMC_EV_ALIAS_CORE() 180}; 181 182 183static const struct pmc_event_descr core2_event_table[] = 184{ 185 __PMC_EV_ALIAS_CORE2() 186}; 187 188static const struct pmc_event_descr corei7_event_table[] = 189{ 190 __PMC_EV_ALIAS_COREI7() 191}; 192 193static const struct pmc_event_descr nehalem_ex_event_table[] = 194{ 195 __PMC_EV_ALIAS_COREI7() 196}; 197 198static const struct pmc_event_descr haswell_event_table[] = 199{ 200 __PMC_EV_ALIAS_HASWELL() 201}; 202 203static const struct pmc_event_descr haswell_xeon_event_table[] = 204{ 205 __PMC_EV_ALIAS_HASWELL_XEON() 206}; 207 208 209static const struct pmc_event_descr ivybridge_event_table[] = 210{ 211 __PMC_EV_ALIAS_IVYBRIDGE() 212}; 213 214static const struct pmc_event_descr ivybridge_xeon_event_table[] = 215{ 216 __PMC_EV_ALIAS_IVYBRIDGE_XEON() 217}; 218 219static const struct pmc_event_descr sandybridge_event_table[] = 220{ 221 __PMC_EV_ALIAS_SANDYBRIDGE() 222}; 223 224static const struct pmc_event_descr sandybridge_xeon_event_table[] = 225{ 226 __PMC_EV_ALIAS_SANDYBRIDGE_XEON() 227}; 228 229static const struct pmc_event_descr westmere_event_table[] = 230{ 231 __PMC_EV_ALIAS_WESTMERE() 232}; 233 234static const struct pmc_event_descr westmere_ex_event_table[] = 235{ 236 __PMC_EV_ALIAS_WESTMERE() 237}; 238 239static const struct pmc_event_descr corei7uc_event_table[] = 240{ 241 __PMC_EV_ALIAS_COREI7UC() 242}; 243 244static const struct pmc_event_descr haswelluc_event_table[] = 245{ 246 __PMC_EV_ALIAS_HASWELLUC() 247}; 248 249static const struct pmc_event_descr sandybridgeuc_event_table[] = 250{ 251 __PMC_EV_ALIAS_SANDYBRIDGEUC() 252}; 253 254static const struct pmc_event_descr westmereuc_event_table[] = 255{ 256 __PMC_EV_ALIAS_WESTMEREUC() 257}; 258 259/* 260 * PMC_MDEP_TABLE(NAME, PRIMARYCLASS, ADDITIONAL_CLASSES...) 261 * 262 * Map a CPU to the PMC classes it supports. 263 */ 264#define PMC_MDEP_TABLE(N,C,...) \ 265 static const enum pmc_class N##_pmc_classes[] = { \ 266 PMC_CLASS_##C, __VA_ARGS__ \ 267 } 268 269PMC_MDEP_TABLE(atom, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 270PMC_MDEP_TABLE(atom_silvermont, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 271PMC_MDEP_TABLE(core, IAP, PMC_CLASS_SOFT, PMC_CLASS_TSC); 272PMC_MDEP_TABLE(core2, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 273PMC_MDEP_TABLE(corei7, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 274PMC_MDEP_TABLE(nehalem_ex, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 275PMC_MDEP_TABLE(haswell, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 276PMC_MDEP_TABLE(haswell_xeon, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 277PMC_MDEP_TABLE(ivybridge, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 278PMC_MDEP_TABLE(ivybridge_xeon, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 279PMC_MDEP_TABLE(sandybridge, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 280PMC_MDEP_TABLE(sandybridge_xeon, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 281PMC_MDEP_TABLE(westmere, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC, PMC_CLASS_UCF, PMC_CLASS_UCP); 282PMC_MDEP_TABLE(westmere_ex, IAP, PMC_CLASS_SOFT, PMC_CLASS_IAF, PMC_CLASS_TSC); 283PMC_MDEP_TABLE(k7, K7, PMC_CLASS_SOFT, PMC_CLASS_TSC); 284PMC_MDEP_TABLE(k8, K8, PMC_CLASS_SOFT, PMC_CLASS_TSC); 285PMC_MDEP_TABLE(p4, P4, PMC_CLASS_SOFT, PMC_CLASS_TSC); 286PMC_MDEP_TABLE(p5, P5, PMC_CLASS_SOFT, PMC_CLASS_TSC); 287PMC_MDEP_TABLE(p6, P6, PMC_CLASS_SOFT, PMC_CLASS_TSC); 288PMC_MDEP_TABLE(xscale, XSCALE, PMC_CLASS_SOFT, PMC_CLASS_XSCALE); 289PMC_MDEP_TABLE(mips24k, MIPS24K, PMC_CLASS_SOFT, PMC_CLASS_MIPS24K); 290PMC_MDEP_TABLE(octeon, OCTEON, PMC_CLASS_SOFT, PMC_CLASS_OCTEON); 291PMC_MDEP_TABLE(ppc7450, PPC7450, PMC_CLASS_SOFT, PMC_CLASS_PPC7450); 292PMC_MDEP_TABLE(ppc970, PPC970, PMC_CLASS_SOFT, PMC_CLASS_PPC970); 293PMC_MDEP_TABLE(generic, SOFT, PMC_CLASS_SOFT); 294 295static const struct pmc_event_descr tsc_event_table[] = 296{ 297 __PMC_EV_TSC() 298}; 299 300#undef PMC_CLASS_TABLE_DESC 301#define PMC_CLASS_TABLE_DESC(NAME, CLASS, EVENTS, ALLOCATOR) \ 302static const struct pmc_class_descr NAME##_class_table_descr = \ 303 { \ 304 .pm_evc_name = #CLASS "-", \ 305 .pm_evc_name_size = sizeof(#CLASS "-") - 1, \ 306 .pm_evc_class = PMC_CLASS_##CLASS , \ 307 .pm_evc_event_table = EVENTS##_event_table , \ 308 .pm_evc_event_table_size = \ 309 PMC_EVENT_TABLE_SIZE(EVENTS), \ 310 .pm_evc_allocate_pmc = ALLOCATOR##_allocate_pmc \ 311 } 312 313#if defined(__i386__) || defined(__amd64__) 314PMC_CLASS_TABLE_DESC(iaf, IAF, iaf, iaf); 315PMC_CLASS_TABLE_DESC(atom, IAP, atom, iap); 316PMC_CLASS_TABLE_DESC(atom_silvermont, IAP, atom_silvermont, iap); 317PMC_CLASS_TABLE_DESC(core, IAP, core, iap); 318PMC_CLASS_TABLE_DESC(core2, IAP, core2, iap); 319PMC_CLASS_TABLE_DESC(corei7, IAP, corei7, iap); 320PMC_CLASS_TABLE_DESC(nehalem_ex, IAP, nehalem_ex, iap); 321PMC_CLASS_TABLE_DESC(haswell, IAP, haswell, iap); 322PMC_CLASS_TABLE_DESC(haswell_xeon, IAP, haswell, iap); 323PMC_CLASS_TABLE_DESC(ivybridge, IAP, ivybridge, iap); 324PMC_CLASS_TABLE_DESC(ivybridge_xeon, IAP, ivybridge_xeon, iap); 325PMC_CLASS_TABLE_DESC(sandybridge, IAP, sandybridge, iap); 326PMC_CLASS_TABLE_DESC(sandybridge_xeon, IAP, sandybridge_xeon, iap); 327PMC_CLASS_TABLE_DESC(westmere, IAP, westmere, iap); 328PMC_CLASS_TABLE_DESC(westmere_ex, IAP, westmere_ex, iap); 329PMC_CLASS_TABLE_DESC(ucf, UCF, ucf, ucf); 330PMC_CLASS_TABLE_DESC(corei7uc, UCP, corei7uc, ucp); 331PMC_CLASS_TABLE_DESC(haswelluc, UCP, haswelluc, ucp); 332PMC_CLASS_TABLE_DESC(sandybridgeuc, UCP, sandybridgeuc, ucp); 333PMC_CLASS_TABLE_DESC(westmereuc, UCP, westmereuc, ucp); 334#endif 335#if defined(__i386__) 336PMC_CLASS_TABLE_DESC(k7, K7, k7, k7); 337#endif 338#if defined(__i386__) || defined(__amd64__) 339PMC_CLASS_TABLE_DESC(k8, K8, k8, k8); 340PMC_CLASS_TABLE_DESC(p4, P4, p4, p4); 341#endif 342#if defined(__i386__) 343PMC_CLASS_TABLE_DESC(p5, P5, p5, p5); 344PMC_CLASS_TABLE_DESC(p6, P6, p6, p6); 345#endif 346#if defined(__i386__) || defined(__amd64__) 347PMC_CLASS_TABLE_DESC(tsc, TSC, tsc, tsc); 348#endif 349#if defined(__XSCALE__) 350PMC_CLASS_TABLE_DESC(xscale, XSCALE, xscale, xscale); 351#endif 352#if defined(__mips__) 353PMC_CLASS_TABLE_DESC(mips24k, MIPS24K, mips24k, mips); 354PMC_CLASS_TABLE_DESC(octeon, OCTEON, octeon, mips); 355#endif /* __mips__ */ 356#if defined(__powerpc__) 357PMC_CLASS_TABLE_DESC(ppc7450, PPC7450, ppc7450, powerpc); 358PMC_CLASS_TABLE_DESC(ppc970, PPC970, ppc970, powerpc); 359#endif 360 361static struct pmc_class_descr soft_class_table_descr = 362{ 363 .pm_evc_name = "SOFT-", 364 .pm_evc_name_size = sizeof("SOFT-") - 1, 365 .pm_evc_class = PMC_CLASS_SOFT, 366 .pm_evc_event_table = NULL, 367 .pm_evc_event_table_size = 0, 368 .pm_evc_allocate_pmc = soft_allocate_pmc 369}; 370 371#undef PMC_CLASS_TABLE_DESC 372 373static const struct pmc_class_descr **pmc_class_table; 374#define PMC_CLASS_TABLE_SIZE cpu_info.pm_nclass 375 376static const enum pmc_class *pmc_mdep_class_list; 377static size_t pmc_mdep_class_list_size; 378 379/* 380 * Mapping tables, mapping enumeration values to human readable 381 * strings. 382 */ 383 384static const char * pmc_capability_names[] = { 385#undef __PMC_CAP 386#define __PMC_CAP(N,V,D) #N , 387 __PMC_CAPS() 388}; 389 390static const char * pmc_class_names[] = { 391#undef __PMC_CLASS 392#define __PMC_CLASS(C) #C , 393 __PMC_CLASSES() 394}; 395 396struct pmc_cputype_map { 397 enum pmc_cputype pm_cputype; 398 const char *pm_name; 399}; 400 401static const struct pmc_cputype_map pmc_cputype_names[] = { 402#undef __PMC_CPU 403#define __PMC_CPU(S, V, D) { .pm_cputype = PMC_CPU_##S, .pm_name = #S } , 404 __PMC_CPUS() 405}; 406 407static const char * pmc_disposition_names[] = { 408#undef __PMC_DISP 409#define __PMC_DISP(D) #D , 410 __PMC_DISPOSITIONS() 411}; 412 413static const char * pmc_mode_names[] = { 414#undef __PMC_MODE 415#define __PMC_MODE(M,N) #M , 416 __PMC_MODES() 417}; 418 419static const char * pmc_state_names[] = { 420#undef __PMC_STATE 421#define __PMC_STATE(S) #S , 422 __PMC_STATES() 423}; 424 425/* 426 * Filled in by pmc_init(). 427 */ 428static int pmc_syscall = -1; 429static struct pmc_cpuinfo cpu_info; 430static struct pmc_op_getdyneventinfo soft_event_info; 431 432/* Event masks for events */ 433struct pmc_masks { 434 const char *pm_name; 435 const uint64_t pm_value; 436}; 437#define PMCMASK(N,V) { .pm_name = #N, .pm_value = (V) } 438#define NULLMASK { .pm_name = NULL } 439 440#if defined(__amd64__) || defined(__i386__) 441static int 442pmc_parse_mask(const struct pmc_masks *pmask, char *p, uint64_t *evmask) 443{ 444 const struct pmc_masks *pm; 445 char *q, *r; 446 int c; 447 448 if (pmask == NULL) /* no mask keywords */ 449 return (-1); 450 q = strchr(p, '='); /* skip '=' */ 451 if (*++q == '\0') /* no more data */ 452 return (-1); 453 c = 0; /* count of mask keywords seen */ 454 while ((r = strsep(&q, "+")) != NULL) { 455 for (pm = pmask; pm->pm_name && strcasecmp(r, pm->pm_name); 456 pm++) 457 ; 458 if (pm->pm_name == NULL) /* not found */ 459 return (-1); 460 *evmask |= pm->pm_value; 461 c++; 462 } 463 return (c); 464} 465#endif 466 467#define KWMATCH(p,kw) (strcasecmp((p), (kw)) == 0) 468#define KWPREFIXMATCH(p,kw) (strncasecmp((p), (kw), sizeof((kw)) - 1) == 0) 469#define EV_ALIAS(N,S) { .pm_alias = N, .pm_spec = S } 470 471#if defined(__i386__) 472 473/* 474 * AMD K7 (Athlon) CPUs. 475 */ 476 477static struct pmc_event_alias k7_aliases[] = { 478 EV_ALIAS("branches", "k7-retired-branches"), 479 EV_ALIAS("branch-mispredicts", "k7-retired-branches-mispredicted"), 480 EV_ALIAS("cycles", "tsc"), 481 EV_ALIAS("dc-misses", "k7-dc-misses"), 482 EV_ALIAS("ic-misses", "k7-ic-misses"), 483 EV_ALIAS("instructions", "k7-retired-instructions"), 484 EV_ALIAS("interrupts", "k7-hardware-interrupts"), 485 EV_ALIAS(NULL, NULL) 486}; 487 488#define K7_KW_COUNT "count" 489#define K7_KW_EDGE "edge" 490#define K7_KW_INV "inv" 491#define K7_KW_OS "os" 492#define K7_KW_UNITMASK "unitmask" 493#define K7_KW_USR "usr" 494 495static int 496k7_allocate_pmc(enum pmc_event pe, char *ctrspec, 497 struct pmc_op_pmcallocate *pmc_config) 498{ 499 char *e, *p, *q; 500 int c, has_unitmask; 501 uint32_t count, unitmask; 502 503 pmc_config->pm_md.pm_amd.pm_amd_config = 0; 504 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 505 506 if (pe == PMC_EV_K7_DC_REFILLS_FROM_L2 || 507 pe == PMC_EV_K7_DC_REFILLS_FROM_SYSTEM || 508 pe == PMC_EV_K7_DC_WRITEBACKS) { 509 has_unitmask = 1; 510 unitmask = AMD_PMC_UNITMASK_MOESI; 511 } else 512 unitmask = has_unitmask = 0; 513 514 while ((p = strsep(&ctrspec, ",")) != NULL) { 515 if (KWPREFIXMATCH(p, K7_KW_COUNT "=")) { 516 q = strchr(p, '='); 517 if (*++q == '\0') /* skip '=' */ 518 return (-1); 519 520 count = strtol(q, &e, 0); 521 if (e == q || *e != '\0') 522 return (-1); 523 524 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 525 pmc_config->pm_md.pm_amd.pm_amd_config |= 526 AMD_PMC_TO_COUNTER(count); 527 528 } else if (KWMATCH(p, K7_KW_EDGE)) { 529 pmc_config->pm_caps |= PMC_CAP_EDGE; 530 } else if (KWMATCH(p, K7_KW_INV)) { 531 pmc_config->pm_caps |= PMC_CAP_INVERT; 532 } else if (KWMATCH(p, K7_KW_OS)) { 533 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 534 } else if (KWPREFIXMATCH(p, K7_KW_UNITMASK "=")) { 535 if (has_unitmask == 0) 536 return (-1); 537 unitmask = 0; 538 q = strchr(p, '='); 539 if (*++q == '\0') /* skip '=' */ 540 return (-1); 541 542 while ((c = tolower(*q++)) != 0) 543 if (c == 'm') 544 unitmask |= AMD_PMC_UNITMASK_M; 545 else if (c == 'o') 546 unitmask |= AMD_PMC_UNITMASK_O; 547 else if (c == 'e') 548 unitmask |= AMD_PMC_UNITMASK_E; 549 else if (c == 's') 550 unitmask |= AMD_PMC_UNITMASK_S; 551 else if (c == 'i') 552 unitmask |= AMD_PMC_UNITMASK_I; 553 else if (c == '+') 554 continue; 555 else 556 return (-1); 557 558 if (unitmask == 0) 559 return (-1); 560 561 } else if (KWMATCH(p, K7_KW_USR)) { 562 pmc_config->pm_caps |= PMC_CAP_USER; 563 } else 564 return (-1); 565 } 566 567 if (has_unitmask) { 568 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 569 pmc_config->pm_md.pm_amd.pm_amd_config |= 570 AMD_PMC_TO_UNITMASK(unitmask); 571 } 572 573 return (0); 574 575} 576 577#endif 578 579#if defined(__amd64__) || defined(__i386__) 580 581/* 582 * Intel Core (Family 6, Model E) PMCs. 583 */ 584 585static struct pmc_event_alias core_aliases[] = { 586 EV_ALIAS("branches", "iap-br-instr-ret"), 587 EV_ALIAS("branch-mispredicts", "iap-br-mispred-ret"), 588 EV_ALIAS("cycles", "tsc-tsc"), 589 EV_ALIAS("ic-misses", "iap-icache-misses"), 590 EV_ALIAS("instructions", "iap-instr-ret"), 591 EV_ALIAS("interrupts", "iap-core-hw-int-rx"), 592 EV_ALIAS("unhalted-cycles", "iap-unhalted-core-cycles"), 593 EV_ALIAS(NULL, NULL) 594}; 595 596/* 597 * Intel Core2 (Family 6, Model F), Core2Extreme (Family 6, Model 17H) 598 * and Atom (Family 6, model 1CH) PMCs. 599 * 600 * We map aliases to events on the fixed-function counters if these 601 * are present. Note that not all CPUs in this family contain fixed-function 602 * counters. 603 */ 604 605static struct pmc_event_alias core2_aliases[] = { 606 EV_ALIAS("branches", "iap-br-inst-retired.any"), 607 EV_ALIAS("branch-mispredicts", "iap-br-inst-retired.mispred"), 608 EV_ALIAS("cycles", "tsc-tsc"), 609 EV_ALIAS("ic-misses", "iap-l1i-misses"), 610 EV_ALIAS("instructions", "iaf-instr-retired.any"), 611 EV_ALIAS("interrupts", "iap-hw-int-rcv"), 612 EV_ALIAS("unhalted-cycles", "iaf-cpu-clk-unhalted.core"), 613 EV_ALIAS(NULL, NULL) 614}; 615 616static struct pmc_event_alias core2_aliases_without_iaf[] = { 617 EV_ALIAS("branches", "iap-br-inst-retired.any"), 618 EV_ALIAS("branch-mispredicts", "iap-br-inst-retired.mispred"), 619 EV_ALIAS("cycles", "tsc-tsc"), 620 EV_ALIAS("ic-misses", "iap-l1i-misses"), 621 EV_ALIAS("instructions", "iap-inst-retired.any_p"), 622 EV_ALIAS("interrupts", "iap-hw-int-rcv"), 623 EV_ALIAS("unhalted-cycles", "iap-cpu-clk-unhalted.core_p"), 624 EV_ALIAS(NULL, NULL) 625}; 626 627#define atom_aliases core2_aliases 628#define atom_aliases_without_iaf core2_aliases_without_iaf 629#define atom_silvermont_aliases core2_aliases 630#define atom_silvermont_aliases_without_iaf core2_aliases_without_iaf 631#define corei7_aliases core2_aliases 632#define corei7_aliases_without_iaf core2_aliases_without_iaf 633#define nehalem_ex_aliases core2_aliases 634#define nehalem_ex_aliases_without_iaf core2_aliases_without_iaf 635#define haswell_aliases core2_aliases 636#define haswell_aliases_without_iaf core2_aliases_without_iaf 637#define haswell_xeon_aliases core2_aliases 638#define haswell_xeon_aliases_without_iaf core2_aliases_without_iaf 639#define ivybridge_aliases core2_aliases 640#define ivybridge_aliases_without_iaf core2_aliases_without_iaf 641#define ivybridge_xeon_aliases core2_aliases 642#define ivybridge_xeon_aliases_without_iaf core2_aliases_without_iaf 643#define sandybridge_aliases core2_aliases 644#define sandybridge_aliases_without_iaf core2_aliases_without_iaf 645#define sandybridge_xeon_aliases core2_aliases 646#define sandybridge_xeon_aliases_without_iaf core2_aliases_without_iaf 647#define westmere_aliases core2_aliases 648#define westmere_aliases_without_iaf core2_aliases_without_iaf 649#define westmere_ex_aliases core2_aliases 650#define westmere_ex_aliases_without_iaf core2_aliases_without_iaf 651 652#define IAF_KW_OS "os" 653#define IAF_KW_USR "usr" 654#define IAF_KW_ANYTHREAD "anythread" 655 656/* 657 * Parse an event specifier for Intel fixed function counters. 658 */ 659static int 660iaf_allocate_pmc(enum pmc_event pe, char *ctrspec, 661 struct pmc_op_pmcallocate *pmc_config) 662{ 663 char *p; 664 665 (void) pe; 666 667 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 668 pmc_config->pm_md.pm_iaf.pm_iaf_flags = 0; 669 670 while ((p = strsep(&ctrspec, ",")) != NULL) { 671 if (KWMATCH(p, IAF_KW_OS)) 672 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 673 else if (KWMATCH(p, IAF_KW_USR)) 674 pmc_config->pm_caps |= PMC_CAP_USER; 675 else if (KWMATCH(p, IAF_KW_ANYTHREAD)) 676 pmc_config->pm_md.pm_iaf.pm_iaf_flags |= IAF_ANY; 677 else 678 return (-1); 679 } 680 681 return (0); 682} 683 684/* 685 * Core/Core2 support. 686 */ 687 688#define IAP_KW_AGENT "agent" 689#define IAP_KW_ANYTHREAD "anythread" 690#define IAP_KW_CACHESTATE "cachestate" 691#define IAP_KW_CMASK "cmask" 692#define IAP_KW_CORE "core" 693#define IAP_KW_EDGE "edge" 694#define IAP_KW_INV "inv" 695#define IAP_KW_OS "os" 696#define IAP_KW_PREFETCH "prefetch" 697#define IAP_KW_SNOOPRESPONSE "snoopresponse" 698#define IAP_KW_SNOOPTYPE "snooptype" 699#define IAP_KW_TRANSITION "trans" 700#define IAP_KW_USR "usr" 701#define IAP_KW_RSP "rsp" 702 703static struct pmc_masks iap_core_mask[] = { 704 PMCMASK(all, (0x3 << 14)), 705 PMCMASK(this, (0x1 << 14)), 706 NULLMASK 707}; 708 709static struct pmc_masks iap_agent_mask[] = { 710 PMCMASK(this, 0), 711 PMCMASK(any, (0x1 << 13)), 712 NULLMASK 713}; 714 715static struct pmc_masks iap_prefetch_mask[] = { 716 PMCMASK(both, (0x3 << 12)), 717 PMCMASK(only, (0x1 << 12)), 718 PMCMASK(exclude, 0), 719 NULLMASK 720}; 721 722static struct pmc_masks iap_cachestate_mask[] = { 723 PMCMASK(i, (1 << 8)), 724 PMCMASK(s, (1 << 9)), 725 PMCMASK(e, (1 << 10)), 726 PMCMASK(m, (1 << 11)), 727 NULLMASK 728}; 729 730static struct pmc_masks iap_snoopresponse_mask[] = { 731 PMCMASK(clean, (1 << 8)), 732 PMCMASK(hit, (1 << 9)), 733 PMCMASK(hitm, (1 << 11)), 734 NULLMASK 735}; 736 737static struct pmc_masks iap_snooptype_mask[] = { 738 PMCMASK(cmp2s, (1 << 8)), 739 PMCMASK(cmp2i, (1 << 9)), 740 NULLMASK 741}; 742 743static struct pmc_masks iap_transition_mask[] = { 744 PMCMASK(any, 0x00), 745 PMCMASK(frequency, 0x10), 746 NULLMASK 747}; 748 749static struct pmc_masks iap_rsp_mask_i7_wm[] = { 750 PMCMASK(DMND_DATA_RD, (1 << 0)), 751 PMCMASK(DMND_RFO, (1 << 1)), 752 PMCMASK(DMND_IFETCH, (1 << 2)), 753 PMCMASK(WB, (1 << 3)), 754 PMCMASK(PF_DATA_RD, (1 << 4)), 755 PMCMASK(PF_RFO, (1 << 5)), 756 PMCMASK(PF_IFETCH, (1 << 6)), 757 PMCMASK(OTHER, (1 << 7)), 758 PMCMASK(UNCORE_HIT, (1 << 8)), 759 PMCMASK(OTHER_CORE_HIT_SNP, (1 << 9)), 760 PMCMASK(OTHER_CORE_HITM, (1 << 10)), 761 PMCMASK(REMOTE_CACHE_FWD, (1 << 12)), 762 PMCMASK(REMOTE_DRAM, (1 << 13)), 763 PMCMASK(LOCAL_DRAM, (1 << 14)), 764 PMCMASK(NON_DRAM, (1 << 15)), 765 NULLMASK 766}; 767 768static struct pmc_masks iap_rsp_mask_sb_sbx_ib[] = { 769 PMCMASK(REQ_DMND_DATA_RD, (1ULL << 0)), 770 PMCMASK(REQ_DMND_RFO, (1ULL << 1)), 771 PMCMASK(REQ_DMND_IFETCH, (1ULL << 2)), 772 PMCMASK(REQ_WB, (1ULL << 3)), 773 PMCMASK(REQ_PF_DATA_RD, (1ULL << 4)), 774 PMCMASK(REQ_PF_RFO, (1ULL << 5)), 775 PMCMASK(REQ_PF_IFETCH, (1ULL << 6)), 776 PMCMASK(REQ_PF_LLC_DATA_RD, (1ULL << 7)), 777 PMCMASK(REQ_PF_LLC_RFO, (1ULL << 8)), 778 PMCMASK(REQ_PF_LLC_IFETCH, (1ULL << 9)), 779 PMCMASK(REQ_BUS_LOCKS, (1ULL << 10)), 780 PMCMASK(REQ_STRM_ST, (1ULL << 11)), 781 PMCMASK(REQ_OTHER, (1ULL << 15)), 782 PMCMASK(RES_ANY, (1ULL << 16)), 783 PMCMASK(RES_SUPPLIER_SUPP, (1ULL << 17)), 784 PMCMASK(RES_SUPPLIER_LLC_HITM, (1ULL << 18)), 785 PMCMASK(RES_SUPPLIER_LLC_HITE, (1ULL << 19)), 786 PMCMASK(RES_SUPPLIER_LLC_HITS, (1ULL << 20)), 787 PMCMASK(RES_SUPPLIER_LLC_HITF, (1ULL << 21)), 788 PMCMASK(RES_SUPPLIER_LOCAL, (1ULL << 22)), 789 PMCMASK(RES_SNOOP_SNP_NONE, (1ULL << 31)), 790 PMCMASK(RES_SNOOP_SNP_NO_NEEDED,(1ULL << 32)), 791 PMCMASK(RES_SNOOP_SNP_MISS, (1ULL << 33)), 792 PMCMASK(RES_SNOOP_HIT_NO_FWD, (1ULL << 34)), 793 PMCMASK(RES_SNOOP_HIT_FWD, (1ULL << 35)), 794 PMCMASK(RES_SNOOP_HITM, (1ULL << 36)), 795 PMCMASK(RES_NON_DRAM, (1ULL << 37)), 796 NULLMASK 797}; 798 799static struct pmc_masks iap_rsp_mask_haswell[] = { 800 PMCMASK(REQ_DMND_DATA_RD, (1ULL << 0)), 801 PMCMASK(REQ_DMND_RFO, (1ULL << 1)), 802 PMCMASK(REQ_DMND_IFETCH, (1ULL << 2)), 803 PMCMASK(REQ_PF_DATA_RD, (1ULL << 4)), 804 PMCMASK(REQ_PF_RFO, (1ULL << 5)), 805 PMCMASK(REQ_PF_IFETCH, (1ULL << 6)), 806 PMCMASK(REQ_OTHER, (1ULL << 15)), 807 PMCMASK(RES_ANY, (1ULL << 16)), 808 PMCMASK(RES_SUPPLIER_SUPP, (1ULL << 17)), 809 PMCMASK(RES_SUPPLIER_LLC_HITM, (1ULL << 18)), 810 PMCMASK(RES_SUPPLIER_LLC_HITE, (1ULL << 19)), 811 PMCMASK(RES_SUPPLIER_LLC_HITS, (1ULL << 20)), 812 PMCMASK(RES_SUPPLIER_LLC_HITF, (1ULL << 21)), 813 PMCMASK(RES_SUPPLIER_LOCAL, (1ULL << 22)), 814 PMCMASK(RES_SNOOP_SNP_NONE, (1ULL << 31)), 815 PMCMASK(RES_SNOOP_SNP_NO_NEEDED,(1ULL << 32)), 816 PMCMASK(RES_SNOOP_SNP_MISS, (1ULL << 33)), 817 PMCMASK(RES_SNOOP_HIT_NO_FWD, (1ULL << 34)), 818 PMCMASK(RES_SNOOP_HIT_FWD, (1ULL << 35)), 819 PMCMASK(RES_SNOOP_HITM, (1ULL << 36)), 820 PMCMASK(RES_NON_DRAM, (1ULL << 37)), 821 NULLMASK 822}; 823 824static int 825iap_allocate_pmc(enum pmc_event pe, char *ctrspec, 826 struct pmc_op_pmcallocate *pmc_config) 827{ 828 char *e, *p, *q; 829 uint64_t cachestate, evmask, rsp; 830 int count, n; 831 832 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE | 833 PMC_CAP_QUALIFIER); 834 pmc_config->pm_md.pm_iap.pm_iap_config = 0; 835 836 cachestate = evmask = rsp = 0; 837 838 /* Parse additional modifiers if present */ 839 while ((p = strsep(&ctrspec, ",")) != NULL) { 840 841 n = 0; 842 if (KWPREFIXMATCH(p, IAP_KW_CMASK "=")) { 843 q = strchr(p, '='); 844 if (*++q == '\0') /* skip '=' */ 845 return (-1); 846 count = strtol(q, &e, 0); 847 if (e == q || *e != '\0') 848 return (-1); 849 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 850 pmc_config->pm_md.pm_iap.pm_iap_config |= 851 IAP_CMASK(count); 852 } else if (KWMATCH(p, IAP_KW_EDGE)) { 853 pmc_config->pm_caps |= PMC_CAP_EDGE; 854 } else if (KWMATCH(p, IAP_KW_INV)) { 855 pmc_config->pm_caps |= PMC_CAP_INVERT; 856 } else if (KWMATCH(p, IAP_KW_OS)) { 857 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 858 } else if (KWMATCH(p, IAP_KW_USR)) { 859 pmc_config->pm_caps |= PMC_CAP_USER; 860 } else if (KWMATCH(p, IAP_KW_ANYTHREAD)) { 861 pmc_config->pm_md.pm_iap.pm_iap_config |= IAP_ANY; 862 } else if (KWPREFIXMATCH(p, IAP_KW_CORE "=")) { 863 n = pmc_parse_mask(iap_core_mask, p, &evmask); 864 if (n != 1) 865 return (-1); 866 } else if (KWPREFIXMATCH(p, IAP_KW_AGENT "=")) { 867 n = pmc_parse_mask(iap_agent_mask, p, &evmask); 868 if (n != 1) 869 return (-1); 870 } else if (KWPREFIXMATCH(p, IAP_KW_PREFETCH "=")) { 871 n = pmc_parse_mask(iap_prefetch_mask, p, &evmask); 872 if (n != 1) 873 return (-1); 874 } else if (KWPREFIXMATCH(p, IAP_KW_CACHESTATE "=")) { 875 n = pmc_parse_mask(iap_cachestate_mask, p, &cachestate); 876 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_CORE && 877 KWPREFIXMATCH(p, IAP_KW_TRANSITION "=")) { 878 n = pmc_parse_mask(iap_transition_mask, p, &evmask); 879 if (n != 1) 880 return (-1); 881 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_ATOM || 882 cpu_info.pm_cputype == PMC_CPU_INTEL_ATOM_SILVERMONT || 883 cpu_info.pm_cputype == PMC_CPU_INTEL_CORE2 || 884 cpu_info.pm_cputype == PMC_CPU_INTEL_CORE2EXTREME) { 885 if (KWPREFIXMATCH(p, IAP_KW_SNOOPRESPONSE "=")) { 886 n = pmc_parse_mask(iap_snoopresponse_mask, p, 887 &evmask); 888 } else if (KWPREFIXMATCH(p, IAP_KW_SNOOPTYPE "=")) { 889 n = pmc_parse_mask(iap_snooptype_mask, p, 890 &evmask); 891 } else 892 return (-1); 893 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_COREI7 || 894 cpu_info.pm_cputype == PMC_CPU_INTEL_WESTMERE || 895 cpu_info.pm_cputype == PMC_CPU_INTEL_NEHALEM_EX || 896 cpu_info.pm_cputype == PMC_CPU_INTEL_WESTMERE_EX) { 897 if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) { 898 n = pmc_parse_mask(iap_rsp_mask_i7_wm, p, &rsp); 899 } else 900 return (-1); 901 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_SANDYBRIDGE || 902 cpu_info.pm_cputype == PMC_CPU_INTEL_SANDYBRIDGE_XEON || 903 cpu_info.pm_cputype == PMC_CPU_INTEL_IVYBRIDGE || 904 cpu_info.pm_cputype == PMC_CPU_INTEL_IVYBRIDGE_XEON ) { 905 if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) { 906 n = pmc_parse_mask(iap_rsp_mask_sb_sbx_ib, p, &rsp); 907 } else 908 return (-1); 909 } else if (cpu_info.pm_cputype == PMC_CPU_INTEL_HASWELL || 910 cpu_info.pm_cputype == PMC_CPU_INTEL_HASWELL_XEON) { 911 if (KWPREFIXMATCH(p, IAP_KW_RSP "=")) { 912 n = pmc_parse_mask(iap_rsp_mask_haswell, p, &rsp); 913 } else 914 return (-1); 915 } else 916 return (-1); 917 918 if (n < 0) /* Parsing failed. */ 919 return (-1); 920 } 921 922 pmc_config->pm_md.pm_iap.pm_iap_config |= evmask; 923 924 /* 925 * If the event requires a 'cachestate' qualifier but was not 926 * specified by the user, use a sensible default. 927 */ 928 switch (pe) { 929 case PMC_EV_IAP_EVENT_28H: /* Core, Core2, Atom */ 930 case PMC_EV_IAP_EVENT_29H: /* Core, Core2, Atom */ 931 case PMC_EV_IAP_EVENT_2AH: /* Core, Core2, Atom */ 932 case PMC_EV_IAP_EVENT_2BH: /* Atom, Core2 */ 933 case PMC_EV_IAP_EVENT_2EH: /* Core, Core2, Atom */ 934 case PMC_EV_IAP_EVENT_30H: /* Core, Core2, Atom */ 935 case PMC_EV_IAP_EVENT_32H: /* Core */ 936 case PMC_EV_IAP_EVENT_40H: /* Core */ 937 case PMC_EV_IAP_EVENT_41H: /* Core */ 938 case PMC_EV_IAP_EVENT_42H: /* Core, Core2, Atom */ 939 if (cachestate == 0) 940 cachestate = (0xF << 8); 941 break; 942 case PMC_EV_IAP_EVENT_77H: /* Atom */ 943 /* IAP_EVENT_77H only accepts a cachestate qualifier on the 944 * Atom processor 945 */ 946 if(cpu_info.pm_cputype == PMC_CPU_INTEL_ATOM && cachestate == 0) 947 cachestate = (0xF << 8); 948 break; 949 default: 950 break; 951 } 952 953 pmc_config->pm_md.pm_iap.pm_iap_config |= cachestate; 954 pmc_config->pm_md.pm_iap.pm_iap_rsp = rsp; 955 956 return (0); 957} 958 959/* 960 * Intel Uncore. 961 */ 962 963static int 964ucf_allocate_pmc(enum pmc_event pe, char *ctrspec, 965 struct pmc_op_pmcallocate *pmc_config) 966{ 967 (void) pe; 968 (void) ctrspec; 969 970 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 971 pmc_config->pm_md.pm_ucf.pm_ucf_flags = 0; 972 973 return (0); 974} 975 976#define UCP_KW_CMASK "cmask" 977#define UCP_KW_EDGE "edge" 978#define UCP_KW_INV "inv" 979 980static int 981ucp_allocate_pmc(enum pmc_event pe, char *ctrspec, 982 struct pmc_op_pmcallocate *pmc_config) 983{ 984 char *e, *p, *q; 985 int count, n; 986 987 (void) pe; 988 989 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE | 990 PMC_CAP_QUALIFIER); 991 pmc_config->pm_md.pm_ucp.pm_ucp_config = 0; 992 993 /* Parse additional modifiers if present */ 994 while ((p = strsep(&ctrspec, ",")) != NULL) { 995 996 n = 0; 997 if (KWPREFIXMATCH(p, UCP_KW_CMASK "=")) { 998 q = strchr(p, '='); 999 if (*++q == '\0') /* skip '=' */ 1000 return (-1); 1001 count = strtol(q, &e, 0); 1002 if (e == q || *e != '\0') 1003 return (-1); 1004 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 1005 pmc_config->pm_md.pm_ucp.pm_ucp_config |= 1006 UCP_CMASK(count); 1007 } else if (KWMATCH(p, UCP_KW_EDGE)) { 1008 pmc_config->pm_caps |= PMC_CAP_EDGE; 1009 } else if (KWMATCH(p, UCP_KW_INV)) { 1010 pmc_config->pm_caps |= PMC_CAP_INVERT; 1011 } else 1012 return (-1); 1013 1014 if (n < 0) /* Parsing failed. */ 1015 return (-1); 1016 } 1017 1018 return (0); 1019} 1020 1021/* 1022 * AMD K8 PMCs. 1023 * 1024 * These are very similar to AMD K7 PMCs, but support more kinds of 1025 * events. 1026 */ 1027 1028static struct pmc_event_alias k8_aliases[] = { 1029 EV_ALIAS("branches", "k8-fr-retired-taken-branches"), 1030 EV_ALIAS("branch-mispredicts", 1031 "k8-fr-retired-taken-branches-mispredicted"), 1032 EV_ALIAS("cycles", "tsc"), 1033 EV_ALIAS("dc-misses", "k8-dc-miss"), 1034 EV_ALIAS("ic-misses", "k8-ic-miss"), 1035 EV_ALIAS("instructions", "k8-fr-retired-x86-instructions"), 1036 EV_ALIAS("interrupts", "k8-fr-taken-hardware-interrupts"), 1037 EV_ALIAS("unhalted-cycles", "k8-bu-cpu-clk-unhalted"), 1038 EV_ALIAS(NULL, NULL) 1039}; 1040 1041#define __K8MASK(N,V) PMCMASK(N,(1 << (V))) 1042 1043/* 1044 * Parsing tables 1045 */ 1046 1047/* fp dispatched fpu ops */ 1048static const struct pmc_masks k8_mask_fdfo[] = { 1049 __K8MASK(add-pipe-excluding-junk-ops, 0), 1050 __K8MASK(multiply-pipe-excluding-junk-ops, 1), 1051 __K8MASK(store-pipe-excluding-junk-ops, 2), 1052 __K8MASK(add-pipe-junk-ops, 3), 1053 __K8MASK(multiply-pipe-junk-ops, 4), 1054 __K8MASK(store-pipe-junk-ops, 5), 1055 NULLMASK 1056}; 1057 1058/* ls segment register loads */ 1059static const struct pmc_masks k8_mask_lsrl[] = { 1060 __K8MASK(es, 0), 1061 __K8MASK(cs, 1), 1062 __K8MASK(ss, 2), 1063 __K8MASK(ds, 3), 1064 __K8MASK(fs, 4), 1065 __K8MASK(gs, 5), 1066 __K8MASK(hs, 6), 1067 NULLMASK 1068}; 1069 1070/* ls locked operation */ 1071static const struct pmc_masks k8_mask_llo[] = { 1072 __K8MASK(locked-instructions, 0), 1073 __K8MASK(cycles-in-request, 1), 1074 __K8MASK(cycles-to-complete, 2), 1075 NULLMASK 1076}; 1077 1078/* dc refill from {l2,system} and dc copyback */ 1079static const struct pmc_masks k8_mask_dc[] = { 1080 __K8MASK(invalid, 0), 1081 __K8MASK(shared, 1), 1082 __K8MASK(exclusive, 2), 1083 __K8MASK(owner, 3), 1084 __K8MASK(modified, 4), 1085 NULLMASK 1086}; 1087 1088/* dc one bit ecc error */ 1089static const struct pmc_masks k8_mask_dobee[] = { 1090 __K8MASK(scrubber, 0), 1091 __K8MASK(piggyback, 1), 1092 NULLMASK 1093}; 1094 1095/* dc dispatched prefetch instructions */ 1096static const struct pmc_masks k8_mask_ddpi[] = { 1097 __K8MASK(load, 0), 1098 __K8MASK(store, 1), 1099 __K8MASK(nta, 2), 1100 NULLMASK 1101}; 1102 1103/* dc dcache accesses by locks */ 1104static const struct pmc_masks k8_mask_dabl[] = { 1105 __K8MASK(accesses, 0), 1106 __K8MASK(misses, 1), 1107 NULLMASK 1108}; 1109 1110/* bu internal l2 request */ 1111static const struct pmc_masks k8_mask_bilr[] = { 1112 __K8MASK(ic-fill, 0), 1113 __K8MASK(dc-fill, 1), 1114 __K8MASK(tlb-reload, 2), 1115 __K8MASK(tag-snoop, 3), 1116 __K8MASK(cancelled, 4), 1117 NULLMASK 1118}; 1119 1120/* bu fill request l2 miss */ 1121static const struct pmc_masks k8_mask_bfrlm[] = { 1122 __K8MASK(ic-fill, 0), 1123 __K8MASK(dc-fill, 1), 1124 __K8MASK(tlb-reload, 2), 1125 NULLMASK 1126}; 1127 1128/* bu fill into l2 */ 1129static const struct pmc_masks k8_mask_bfil[] = { 1130 __K8MASK(dirty-l2-victim, 0), 1131 __K8MASK(victim-from-l2, 1), 1132 NULLMASK 1133}; 1134 1135/* fr retired fpu instructions */ 1136static const struct pmc_masks k8_mask_frfi[] = { 1137 __K8MASK(x87, 0), 1138 __K8MASK(mmx-3dnow, 1), 1139 __K8MASK(packed-sse-sse2, 2), 1140 __K8MASK(scalar-sse-sse2, 3), 1141 NULLMASK 1142}; 1143 1144/* fr retired fastpath double op instructions */ 1145static const struct pmc_masks k8_mask_frfdoi[] = { 1146 __K8MASK(low-op-pos-0, 0), 1147 __K8MASK(low-op-pos-1, 1), 1148 __K8MASK(low-op-pos-2, 2), 1149 NULLMASK 1150}; 1151 1152/* fr fpu exceptions */ 1153static const struct pmc_masks k8_mask_ffe[] = { 1154 __K8MASK(x87-reclass-microfaults, 0), 1155 __K8MASK(sse-retype-microfaults, 1), 1156 __K8MASK(sse-reclass-microfaults, 2), 1157 __K8MASK(sse-and-x87-microtraps, 3), 1158 NULLMASK 1159}; 1160 1161/* nb memory controller page access event */ 1162static const struct pmc_masks k8_mask_nmcpae[] = { 1163 __K8MASK(page-hit, 0), 1164 __K8MASK(page-miss, 1), 1165 __K8MASK(page-conflict, 2), 1166 NULLMASK 1167}; 1168 1169/* nb memory controller turnaround */ 1170static const struct pmc_masks k8_mask_nmct[] = { 1171 __K8MASK(dimm-turnaround, 0), 1172 __K8MASK(read-to-write-turnaround, 1), 1173 __K8MASK(write-to-read-turnaround, 2), 1174 NULLMASK 1175}; 1176 1177/* nb memory controller bypass saturation */ 1178static const struct pmc_masks k8_mask_nmcbs[] = { 1179 __K8MASK(memory-controller-hi-pri-bypass, 0), 1180 __K8MASK(memory-controller-lo-pri-bypass, 1), 1181 __K8MASK(dram-controller-interface-bypass, 2), 1182 __K8MASK(dram-controller-queue-bypass, 3), 1183 NULLMASK 1184}; 1185 1186/* nb sized commands */ 1187static const struct pmc_masks k8_mask_nsc[] = { 1188 __K8MASK(nonpostwrszbyte, 0), 1189 __K8MASK(nonpostwrszdword, 1), 1190 __K8MASK(postwrszbyte, 2), 1191 __K8MASK(postwrszdword, 3), 1192 __K8MASK(rdszbyte, 4), 1193 __K8MASK(rdszdword, 5), 1194 __K8MASK(rdmodwr, 6), 1195 NULLMASK 1196}; 1197 1198/* nb probe result */ 1199static const struct pmc_masks k8_mask_npr[] = { 1200 __K8MASK(probe-miss, 0), 1201 __K8MASK(probe-hit, 1), 1202 __K8MASK(probe-hit-dirty-no-memory-cancel, 2), 1203 __K8MASK(probe-hit-dirty-with-memory-cancel, 3), 1204 NULLMASK 1205}; 1206 1207/* nb hypertransport bus bandwidth */ 1208static const struct pmc_masks k8_mask_nhbb[] = { /* HT bus bandwidth */ 1209 __K8MASK(command, 0), 1210 __K8MASK(data, 1), 1211 __K8MASK(buffer-release, 2), 1212 __K8MASK(nop, 3), 1213 NULLMASK 1214}; 1215 1216#undef __K8MASK 1217 1218#define K8_KW_COUNT "count" 1219#define K8_KW_EDGE "edge" 1220#define K8_KW_INV "inv" 1221#define K8_KW_MASK "mask" 1222#define K8_KW_OS "os" 1223#define K8_KW_USR "usr" 1224 1225static int 1226k8_allocate_pmc(enum pmc_event pe, char *ctrspec, 1227 struct pmc_op_pmcallocate *pmc_config) 1228{ 1229 char *e, *p, *q; 1230 int n; 1231 uint32_t count; 1232 uint64_t evmask; 1233 const struct pmc_masks *pm, *pmask; 1234 1235 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 1236 pmc_config->pm_md.pm_amd.pm_amd_config = 0; 1237 1238 pmask = NULL; 1239 evmask = 0; 1240 1241#define __K8SETMASK(M) pmask = k8_mask_##M 1242 1243 /* setup parsing tables */ 1244 switch (pe) { 1245 case PMC_EV_K8_FP_DISPATCHED_FPU_OPS: 1246 __K8SETMASK(fdfo); 1247 break; 1248 case PMC_EV_K8_LS_SEGMENT_REGISTER_LOAD: 1249 __K8SETMASK(lsrl); 1250 break; 1251 case PMC_EV_K8_LS_LOCKED_OPERATION: 1252 __K8SETMASK(llo); 1253 break; 1254 case PMC_EV_K8_DC_REFILL_FROM_L2: 1255 case PMC_EV_K8_DC_REFILL_FROM_SYSTEM: 1256 case PMC_EV_K8_DC_COPYBACK: 1257 __K8SETMASK(dc); 1258 break; 1259 case PMC_EV_K8_DC_ONE_BIT_ECC_ERROR: 1260 __K8SETMASK(dobee); 1261 break; 1262 case PMC_EV_K8_DC_DISPATCHED_PREFETCH_INSTRUCTIONS: 1263 __K8SETMASK(ddpi); 1264 break; 1265 case PMC_EV_K8_DC_DCACHE_ACCESSES_BY_LOCKS: 1266 __K8SETMASK(dabl); 1267 break; 1268 case PMC_EV_K8_BU_INTERNAL_L2_REQUEST: 1269 __K8SETMASK(bilr); 1270 break; 1271 case PMC_EV_K8_BU_FILL_REQUEST_L2_MISS: 1272 __K8SETMASK(bfrlm); 1273 break; 1274 case PMC_EV_K8_BU_FILL_INTO_L2: 1275 __K8SETMASK(bfil); 1276 break; 1277 case PMC_EV_K8_FR_RETIRED_FPU_INSTRUCTIONS: 1278 __K8SETMASK(frfi); 1279 break; 1280 case PMC_EV_K8_FR_RETIRED_FASTPATH_DOUBLE_OP_INSTRUCTIONS: 1281 __K8SETMASK(frfdoi); 1282 break; 1283 case PMC_EV_K8_FR_FPU_EXCEPTIONS: 1284 __K8SETMASK(ffe); 1285 break; 1286 case PMC_EV_K8_NB_MEMORY_CONTROLLER_PAGE_ACCESS_EVENT: 1287 __K8SETMASK(nmcpae); 1288 break; 1289 case PMC_EV_K8_NB_MEMORY_CONTROLLER_TURNAROUND: 1290 __K8SETMASK(nmct); 1291 break; 1292 case PMC_EV_K8_NB_MEMORY_CONTROLLER_BYPASS_SATURATION: 1293 __K8SETMASK(nmcbs); 1294 break; 1295 case PMC_EV_K8_NB_SIZED_COMMANDS: 1296 __K8SETMASK(nsc); 1297 break; 1298 case PMC_EV_K8_NB_PROBE_RESULT: 1299 __K8SETMASK(npr); 1300 break; 1301 case PMC_EV_K8_NB_HT_BUS0_BANDWIDTH: 1302 case PMC_EV_K8_NB_HT_BUS1_BANDWIDTH: 1303 case PMC_EV_K8_NB_HT_BUS2_BANDWIDTH: 1304 __K8SETMASK(nhbb); 1305 break; 1306 1307 default: 1308 break; /* no options defined */ 1309 } 1310 1311 while ((p = strsep(&ctrspec, ",")) != NULL) { 1312 if (KWPREFIXMATCH(p, K8_KW_COUNT "=")) { 1313 q = strchr(p, '='); 1314 if (*++q == '\0') /* skip '=' */ 1315 return (-1); 1316 1317 count = strtol(q, &e, 0); 1318 if (e == q || *e != '\0') 1319 return (-1); 1320 1321 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 1322 pmc_config->pm_md.pm_amd.pm_amd_config |= 1323 AMD_PMC_TO_COUNTER(count); 1324 1325 } else if (KWMATCH(p, K8_KW_EDGE)) { 1326 pmc_config->pm_caps |= PMC_CAP_EDGE; 1327 } else if (KWMATCH(p, K8_KW_INV)) { 1328 pmc_config->pm_caps |= PMC_CAP_INVERT; 1329 } else if (KWPREFIXMATCH(p, K8_KW_MASK "=")) { 1330 if ((n = pmc_parse_mask(pmask, p, &evmask)) < 0) 1331 return (-1); 1332 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1333 } else if (KWMATCH(p, K8_KW_OS)) { 1334 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 1335 } else if (KWMATCH(p, K8_KW_USR)) { 1336 pmc_config->pm_caps |= PMC_CAP_USER; 1337 } else 1338 return (-1); 1339 } 1340 1341 /* other post processing */ 1342 switch (pe) { 1343 case PMC_EV_K8_FP_DISPATCHED_FPU_OPS: 1344 case PMC_EV_K8_FP_CYCLES_WITH_NO_FPU_OPS_RETIRED: 1345 case PMC_EV_K8_FP_DISPATCHED_FPU_FAST_FLAG_OPS: 1346 case PMC_EV_K8_FR_RETIRED_FASTPATH_DOUBLE_OP_INSTRUCTIONS: 1347 case PMC_EV_K8_FR_RETIRED_FPU_INSTRUCTIONS: 1348 case PMC_EV_K8_FR_FPU_EXCEPTIONS: 1349 /* XXX only available in rev B and later */ 1350 break; 1351 case PMC_EV_K8_DC_DCACHE_ACCESSES_BY_LOCKS: 1352 /* XXX only available in rev C and later */ 1353 break; 1354 case PMC_EV_K8_LS_LOCKED_OPERATION: 1355 /* XXX CPU Rev A,B evmask is to be zero */ 1356 if (evmask & (evmask - 1)) /* > 1 bit set */ 1357 return (-1); 1358 if (evmask == 0) { 1359 evmask = 0x01; /* Rev C and later: #instrs */ 1360 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1361 } 1362 break; 1363 default: 1364 if (evmask == 0 && pmask != NULL) { 1365 for (pm = pmask; pm->pm_name; pm++) 1366 evmask |= pm->pm_value; 1367 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1368 } 1369 } 1370 1371 if (pmc_config->pm_caps & PMC_CAP_QUALIFIER) 1372 pmc_config->pm_md.pm_amd.pm_amd_config = 1373 AMD_PMC_TO_UNITMASK(evmask); 1374 1375 return (0); 1376} 1377 1378#endif 1379 1380#if defined(__amd64__) || defined(__i386__) 1381 1382/* 1383 * Intel P4 PMCs 1384 */ 1385 1386static struct pmc_event_alias p4_aliases[] = { 1387 EV_ALIAS("branches", "p4-branch-retired,mask=mmtp+mmtm"), 1388 EV_ALIAS("branch-mispredicts", "p4-mispred-branch-retired"), 1389 EV_ALIAS("cycles", "tsc"), 1390 EV_ALIAS("instructions", 1391 "p4-instr-retired,mask=nbogusntag+nbogustag"), 1392 EV_ALIAS("unhalted-cycles", "p4-global-power-events"), 1393 EV_ALIAS(NULL, NULL) 1394}; 1395 1396#define P4_KW_ACTIVE "active" 1397#define P4_KW_ACTIVE_ANY "any" 1398#define P4_KW_ACTIVE_BOTH "both" 1399#define P4_KW_ACTIVE_NONE "none" 1400#define P4_KW_ACTIVE_SINGLE "single" 1401#define P4_KW_BUSREQTYPE "busreqtype" 1402#define P4_KW_CASCADE "cascade" 1403#define P4_KW_EDGE "edge" 1404#define P4_KW_INV "complement" 1405#define P4_KW_OS "os" 1406#define P4_KW_MASK "mask" 1407#define P4_KW_PRECISE "precise" 1408#define P4_KW_TAG "tag" 1409#define P4_KW_THRESHOLD "threshold" 1410#define P4_KW_USR "usr" 1411 1412#define __P4MASK(N,V) PMCMASK(N, (1 << (V))) 1413 1414static const struct pmc_masks p4_mask_tcdm[] = { /* tc deliver mode */ 1415 __P4MASK(dd, 0), 1416 __P4MASK(db, 1), 1417 __P4MASK(di, 2), 1418 __P4MASK(bd, 3), 1419 __P4MASK(bb, 4), 1420 __P4MASK(bi, 5), 1421 __P4MASK(id, 6), 1422 __P4MASK(ib, 7), 1423 NULLMASK 1424}; 1425 1426static const struct pmc_masks p4_mask_bfr[] = { /* bpu fetch request */ 1427 __P4MASK(tcmiss, 0), 1428 NULLMASK, 1429}; 1430 1431static const struct pmc_masks p4_mask_ir[] = { /* itlb reference */ 1432 __P4MASK(hit, 0), 1433 __P4MASK(miss, 1), 1434 __P4MASK(hit-uc, 2), 1435 NULLMASK 1436}; 1437 1438static const struct pmc_masks p4_mask_memcan[] = { /* memory cancel */ 1439 __P4MASK(st-rb-full, 2), 1440 __P4MASK(64k-conf, 3), 1441 NULLMASK 1442}; 1443 1444static const struct pmc_masks p4_mask_memcomp[] = { /* memory complete */ 1445 __P4MASK(lsc, 0), 1446 __P4MASK(ssc, 1), 1447 NULLMASK 1448}; 1449 1450static const struct pmc_masks p4_mask_lpr[] = { /* load port replay */ 1451 __P4MASK(split-ld, 1), 1452 NULLMASK 1453}; 1454 1455static const struct pmc_masks p4_mask_spr[] = { /* store port replay */ 1456 __P4MASK(split-st, 1), 1457 NULLMASK 1458}; 1459 1460static const struct pmc_masks p4_mask_mlr[] = { /* mob load replay */ 1461 __P4MASK(no-sta, 1), 1462 __P4MASK(no-std, 3), 1463 __P4MASK(partial-data, 4), 1464 __P4MASK(unalgn-addr, 5), 1465 NULLMASK 1466}; 1467 1468static const struct pmc_masks p4_mask_pwt[] = { /* page walk type */ 1469 __P4MASK(dtmiss, 0), 1470 __P4MASK(itmiss, 1), 1471 NULLMASK 1472}; 1473 1474static const struct pmc_masks p4_mask_bcr[] = { /* bsq cache reference */ 1475 __P4MASK(rd-2ndl-hits, 0), 1476 __P4MASK(rd-2ndl-hite, 1), 1477 __P4MASK(rd-2ndl-hitm, 2), 1478 __P4MASK(rd-3rdl-hits, 3), 1479 __P4MASK(rd-3rdl-hite, 4), 1480 __P4MASK(rd-3rdl-hitm, 5), 1481 __P4MASK(rd-2ndl-miss, 8), 1482 __P4MASK(rd-3rdl-miss, 9), 1483 __P4MASK(wr-2ndl-miss, 10), 1484 NULLMASK 1485}; 1486 1487static const struct pmc_masks p4_mask_ia[] = { /* ioq allocation */ 1488 __P4MASK(all-read, 5), 1489 __P4MASK(all-write, 6), 1490 __P4MASK(mem-uc, 7), 1491 __P4MASK(mem-wc, 8), 1492 __P4MASK(mem-wt, 9), 1493 __P4MASK(mem-wp, 10), 1494 __P4MASK(mem-wb, 11), 1495 __P4MASK(own, 13), 1496 __P4MASK(other, 14), 1497 __P4MASK(prefetch, 15), 1498 NULLMASK 1499}; 1500 1501static const struct pmc_masks p4_mask_iae[] = { /* ioq active entries */ 1502 __P4MASK(all-read, 5), 1503 __P4MASK(all-write, 6), 1504 __P4MASK(mem-uc, 7), 1505 __P4MASK(mem-wc, 8), 1506 __P4MASK(mem-wt, 9), 1507 __P4MASK(mem-wp, 10), 1508 __P4MASK(mem-wb, 11), 1509 __P4MASK(own, 13), 1510 __P4MASK(other, 14), 1511 __P4MASK(prefetch, 15), 1512 NULLMASK 1513}; 1514 1515static const struct pmc_masks p4_mask_fda[] = { /* fsb data activity */ 1516 __P4MASK(drdy-drv, 0), 1517 __P4MASK(drdy-own, 1), 1518 __P4MASK(drdy-other, 2), 1519 __P4MASK(dbsy-drv, 3), 1520 __P4MASK(dbsy-own, 4), 1521 __P4MASK(dbsy-other, 5), 1522 NULLMASK 1523}; 1524 1525static const struct pmc_masks p4_mask_ba[] = { /* bsq allocation */ 1526 __P4MASK(req-type0, 0), 1527 __P4MASK(req-type1, 1), 1528 __P4MASK(req-len0, 2), 1529 __P4MASK(req-len1, 3), 1530 __P4MASK(req-io-type, 5), 1531 __P4MASK(req-lock-type, 6), 1532 __P4MASK(req-cache-type, 7), 1533 __P4MASK(req-split-type, 8), 1534 __P4MASK(req-dem-type, 9), 1535 __P4MASK(req-ord-type, 10), 1536 __P4MASK(mem-type0, 11), 1537 __P4MASK(mem-type1, 12), 1538 __P4MASK(mem-type2, 13), 1539 NULLMASK 1540}; 1541 1542static const struct pmc_masks p4_mask_sia[] = { /* sse input assist */ 1543 __P4MASK(all, 15), 1544 NULLMASK 1545}; 1546 1547static const struct pmc_masks p4_mask_psu[] = { /* packed sp uop */ 1548 __P4MASK(all, 15), 1549 NULLMASK 1550}; 1551 1552static const struct pmc_masks p4_mask_pdu[] = { /* packed dp uop */ 1553 __P4MASK(all, 15), 1554 NULLMASK 1555}; 1556 1557static const struct pmc_masks p4_mask_ssu[] = { /* scalar sp uop */ 1558 __P4MASK(all, 15), 1559 NULLMASK 1560}; 1561 1562static const struct pmc_masks p4_mask_sdu[] = { /* scalar dp uop */ 1563 __P4MASK(all, 15), 1564 NULLMASK 1565}; 1566 1567static const struct pmc_masks p4_mask_64bmu[] = { /* 64 bit mmx uop */ 1568 __P4MASK(all, 15), 1569 NULLMASK 1570}; 1571 1572static const struct pmc_masks p4_mask_128bmu[] = { /* 128 bit mmx uop */ 1573 __P4MASK(all, 15), 1574 NULLMASK 1575}; 1576 1577static const struct pmc_masks p4_mask_xfu[] = { /* X87 fp uop */ 1578 __P4MASK(all, 15), 1579 NULLMASK 1580}; 1581 1582static const struct pmc_masks p4_mask_xsmu[] = { /* x87 simd moves uop */ 1583 __P4MASK(allp0, 3), 1584 __P4MASK(allp2, 4), 1585 NULLMASK 1586}; 1587 1588static const struct pmc_masks p4_mask_gpe[] = { /* global power events */ 1589 __P4MASK(running, 0), 1590 NULLMASK 1591}; 1592 1593static const struct pmc_masks p4_mask_tmx[] = { /* TC ms xfer */ 1594 __P4MASK(cisc, 0), 1595 NULLMASK 1596}; 1597 1598static const struct pmc_masks p4_mask_uqw[] = { /* uop queue writes */ 1599 __P4MASK(from-tc-build, 0), 1600 __P4MASK(from-tc-deliver, 1), 1601 __P4MASK(from-rom, 2), 1602 NULLMASK 1603}; 1604 1605static const struct pmc_masks p4_mask_rmbt[] = { 1606 /* retired mispred branch type */ 1607 __P4MASK(conditional, 1), 1608 __P4MASK(call, 2), 1609 __P4MASK(return, 3), 1610 __P4MASK(indirect, 4), 1611 NULLMASK 1612}; 1613 1614static const struct pmc_masks p4_mask_rbt[] = { /* retired branch type */ 1615 __P4MASK(conditional, 1), 1616 __P4MASK(call, 2), 1617 __P4MASK(retired, 3), 1618 __P4MASK(indirect, 4), 1619 NULLMASK 1620}; 1621 1622static const struct pmc_masks p4_mask_rs[] = { /* resource stall */ 1623 __P4MASK(sbfull, 5), 1624 NULLMASK 1625}; 1626 1627static const struct pmc_masks p4_mask_wb[] = { /* WC buffer */ 1628 __P4MASK(wcb-evicts, 0), 1629 __P4MASK(wcb-full-evict, 1), 1630 NULLMASK 1631}; 1632 1633static const struct pmc_masks p4_mask_fee[] = { /* front end event */ 1634 __P4MASK(nbogus, 0), 1635 __P4MASK(bogus, 1), 1636 NULLMASK 1637}; 1638 1639static const struct pmc_masks p4_mask_ee[] = { /* execution event */ 1640 __P4MASK(nbogus0, 0), 1641 __P4MASK(nbogus1, 1), 1642 __P4MASK(nbogus2, 2), 1643 __P4MASK(nbogus3, 3), 1644 __P4MASK(bogus0, 4), 1645 __P4MASK(bogus1, 5), 1646 __P4MASK(bogus2, 6), 1647 __P4MASK(bogus3, 7), 1648 NULLMASK 1649}; 1650 1651static const struct pmc_masks p4_mask_re[] = { /* replay event */ 1652 __P4MASK(nbogus, 0), 1653 __P4MASK(bogus, 1), 1654 NULLMASK 1655}; 1656 1657static const struct pmc_masks p4_mask_insret[] = { /* instr retired */ 1658 __P4MASK(nbogusntag, 0), 1659 __P4MASK(nbogustag, 1), 1660 __P4MASK(bogusntag, 2), 1661 __P4MASK(bogustag, 3), 1662 NULLMASK 1663}; 1664 1665static const struct pmc_masks p4_mask_ur[] = { /* uops retired */ 1666 __P4MASK(nbogus, 0), 1667 __P4MASK(bogus, 1), 1668 NULLMASK 1669}; 1670 1671static const struct pmc_masks p4_mask_ut[] = { /* uop type */ 1672 __P4MASK(tagloads, 1), 1673 __P4MASK(tagstores, 2), 1674 NULLMASK 1675}; 1676 1677static const struct pmc_masks p4_mask_br[] = { /* branch retired */ 1678 __P4MASK(mmnp, 0), 1679 __P4MASK(mmnm, 1), 1680 __P4MASK(mmtp, 2), 1681 __P4MASK(mmtm, 3), 1682 NULLMASK 1683}; 1684 1685static const struct pmc_masks p4_mask_mbr[] = { /* mispred branch retired */ 1686 __P4MASK(nbogus, 0), 1687 NULLMASK 1688}; 1689 1690static const struct pmc_masks p4_mask_xa[] = { /* x87 assist */ 1691 __P4MASK(fpsu, 0), 1692 __P4MASK(fpso, 1), 1693 __P4MASK(poao, 2), 1694 __P4MASK(poau, 3), 1695 __P4MASK(prea, 4), 1696 NULLMASK 1697}; 1698 1699static const struct pmc_masks p4_mask_machclr[] = { /* machine clear */ 1700 __P4MASK(clear, 0), 1701 __P4MASK(moclear, 2), 1702 __P4MASK(smclear, 3), 1703 NULLMASK 1704}; 1705 1706/* P4 event parser */ 1707static int 1708p4_allocate_pmc(enum pmc_event pe, char *ctrspec, 1709 struct pmc_op_pmcallocate *pmc_config) 1710{ 1711 1712 char *e, *p, *q; 1713 int count, has_tag, has_busreqtype, n; 1714 uint32_t cccractivemask; 1715 uint64_t evmask; 1716 const struct pmc_masks *pm, *pmask; 1717 1718 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 1719 pmc_config->pm_md.pm_p4.pm_p4_cccrconfig = 1720 pmc_config->pm_md.pm_p4.pm_p4_escrconfig = 0; 1721 1722 pmask = NULL; 1723 evmask = 0; 1724 cccractivemask = 0x3; 1725 has_tag = has_busreqtype = 0; 1726 1727#define __P4SETMASK(M) do { \ 1728 pmask = p4_mask_##M; \ 1729} while (0) 1730 1731 switch (pe) { 1732 case PMC_EV_P4_TC_DELIVER_MODE: 1733 __P4SETMASK(tcdm); 1734 break; 1735 case PMC_EV_P4_BPU_FETCH_REQUEST: 1736 __P4SETMASK(bfr); 1737 break; 1738 case PMC_EV_P4_ITLB_REFERENCE: 1739 __P4SETMASK(ir); 1740 break; 1741 case PMC_EV_P4_MEMORY_CANCEL: 1742 __P4SETMASK(memcan); 1743 break; 1744 case PMC_EV_P4_MEMORY_COMPLETE: 1745 __P4SETMASK(memcomp); 1746 break; 1747 case PMC_EV_P4_LOAD_PORT_REPLAY: 1748 __P4SETMASK(lpr); 1749 break; 1750 case PMC_EV_P4_STORE_PORT_REPLAY: 1751 __P4SETMASK(spr); 1752 break; 1753 case PMC_EV_P4_MOB_LOAD_REPLAY: 1754 __P4SETMASK(mlr); 1755 break; 1756 case PMC_EV_P4_PAGE_WALK_TYPE: 1757 __P4SETMASK(pwt); 1758 break; 1759 case PMC_EV_P4_BSQ_CACHE_REFERENCE: 1760 __P4SETMASK(bcr); 1761 break; 1762 case PMC_EV_P4_IOQ_ALLOCATION: 1763 __P4SETMASK(ia); 1764 has_busreqtype = 1; 1765 break; 1766 case PMC_EV_P4_IOQ_ACTIVE_ENTRIES: 1767 __P4SETMASK(iae); 1768 has_busreqtype = 1; 1769 break; 1770 case PMC_EV_P4_FSB_DATA_ACTIVITY: 1771 __P4SETMASK(fda); 1772 break; 1773 case PMC_EV_P4_BSQ_ALLOCATION: 1774 __P4SETMASK(ba); 1775 break; 1776 case PMC_EV_P4_SSE_INPUT_ASSIST: 1777 __P4SETMASK(sia); 1778 break; 1779 case PMC_EV_P4_PACKED_SP_UOP: 1780 __P4SETMASK(psu); 1781 break; 1782 case PMC_EV_P4_PACKED_DP_UOP: 1783 __P4SETMASK(pdu); 1784 break; 1785 case PMC_EV_P4_SCALAR_SP_UOP: 1786 __P4SETMASK(ssu); 1787 break; 1788 case PMC_EV_P4_SCALAR_DP_UOP: 1789 __P4SETMASK(sdu); 1790 break; 1791 case PMC_EV_P4_64BIT_MMX_UOP: 1792 __P4SETMASK(64bmu); 1793 break; 1794 case PMC_EV_P4_128BIT_MMX_UOP: 1795 __P4SETMASK(128bmu); 1796 break; 1797 case PMC_EV_P4_X87_FP_UOP: 1798 __P4SETMASK(xfu); 1799 break; 1800 case PMC_EV_P4_X87_SIMD_MOVES_UOP: 1801 __P4SETMASK(xsmu); 1802 break; 1803 case PMC_EV_P4_GLOBAL_POWER_EVENTS: 1804 __P4SETMASK(gpe); 1805 break; 1806 case PMC_EV_P4_TC_MS_XFER: 1807 __P4SETMASK(tmx); 1808 break; 1809 case PMC_EV_P4_UOP_QUEUE_WRITES: 1810 __P4SETMASK(uqw); 1811 break; 1812 case PMC_EV_P4_RETIRED_MISPRED_BRANCH_TYPE: 1813 __P4SETMASK(rmbt); 1814 break; 1815 case PMC_EV_P4_RETIRED_BRANCH_TYPE: 1816 __P4SETMASK(rbt); 1817 break; 1818 case PMC_EV_P4_RESOURCE_STALL: 1819 __P4SETMASK(rs); 1820 break; 1821 case PMC_EV_P4_WC_BUFFER: 1822 __P4SETMASK(wb); 1823 break; 1824 case PMC_EV_P4_BSQ_ACTIVE_ENTRIES: 1825 case PMC_EV_P4_B2B_CYCLES: 1826 case PMC_EV_P4_BNR: 1827 case PMC_EV_P4_SNOOP: 1828 case PMC_EV_P4_RESPONSE: 1829 break; 1830 case PMC_EV_P4_FRONT_END_EVENT: 1831 __P4SETMASK(fee); 1832 break; 1833 case PMC_EV_P4_EXECUTION_EVENT: 1834 __P4SETMASK(ee); 1835 break; 1836 case PMC_EV_P4_REPLAY_EVENT: 1837 __P4SETMASK(re); 1838 break; 1839 case PMC_EV_P4_INSTR_RETIRED: 1840 __P4SETMASK(insret); 1841 break; 1842 case PMC_EV_P4_UOPS_RETIRED: 1843 __P4SETMASK(ur); 1844 break; 1845 case PMC_EV_P4_UOP_TYPE: 1846 __P4SETMASK(ut); 1847 break; 1848 case PMC_EV_P4_BRANCH_RETIRED: 1849 __P4SETMASK(br); 1850 break; 1851 case PMC_EV_P4_MISPRED_BRANCH_RETIRED: 1852 __P4SETMASK(mbr); 1853 break; 1854 case PMC_EV_P4_X87_ASSIST: 1855 __P4SETMASK(xa); 1856 break; 1857 case PMC_EV_P4_MACHINE_CLEAR: 1858 __P4SETMASK(machclr); 1859 break; 1860 default: 1861 return (-1); 1862 } 1863 1864 /* process additional flags */ 1865 while ((p = strsep(&ctrspec, ",")) != NULL) { 1866 if (KWPREFIXMATCH(p, P4_KW_ACTIVE)) { 1867 q = strchr(p, '='); 1868 if (*++q == '\0') /* skip '=' */ 1869 return (-1); 1870 1871 if (strcasecmp(q, P4_KW_ACTIVE_NONE) == 0) 1872 cccractivemask = 0x0; 1873 else if (strcasecmp(q, P4_KW_ACTIVE_SINGLE) == 0) 1874 cccractivemask = 0x1; 1875 else if (strcasecmp(q, P4_KW_ACTIVE_BOTH) == 0) 1876 cccractivemask = 0x2; 1877 else if (strcasecmp(q, P4_KW_ACTIVE_ANY) == 0) 1878 cccractivemask = 0x3; 1879 else 1880 return (-1); 1881 1882 } else if (KWPREFIXMATCH(p, P4_KW_BUSREQTYPE)) { 1883 if (has_busreqtype == 0) 1884 return (-1); 1885 1886 q = strchr(p, '='); 1887 if (*++q == '\0') /* skip '=' */ 1888 return (-1); 1889 1890 count = strtol(q, &e, 0); 1891 if (e == q || *e != '\0') 1892 return (-1); 1893 evmask = (evmask & ~0x1F) | (count & 0x1F); 1894 } else if (KWMATCH(p, P4_KW_CASCADE)) 1895 pmc_config->pm_caps |= PMC_CAP_CASCADE; 1896 else if (KWMATCH(p, P4_KW_EDGE)) 1897 pmc_config->pm_caps |= PMC_CAP_EDGE; 1898 else if (KWMATCH(p, P4_KW_INV)) 1899 pmc_config->pm_caps |= PMC_CAP_INVERT; 1900 else if (KWPREFIXMATCH(p, P4_KW_MASK "=")) { 1901 if ((n = pmc_parse_mask(pmask, p, &evmask)) < 0) 1902 return (-1); 1903 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1904 } else if (KWMATCH(p, P4_KW_OS)) 1905 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 1906 else if (KWMATCH(p, P4_KW_PRECISE)) 1907 pmc_config->pm_caps |= PMC_CAP_PRECISE; 1908 else if (KWPREFIXMATCH(p, P4_KW_TAG "=")) { 1909 if (has_tag == 0) 1910 return (-1); 1911 1912 q = strchr(p, '='); 1913 if (*++q == '\0') /* skip '=' */ 1914 return (-1); 1915 1916 count = strtol(q, &e, 0); 1917 if (e == q || *e != '\0') 1918 return (-1); 1919 1920 pmc_config->pm_caps |= PMC_CAP_TAGGING; 1921 pmc_config->pm_md.pm_p4.pm_p4_escrconfig |= 1922 P4_ESCR_TO_TAG_VALUE(count); 1923 } else if (KWPREFIXMATCH(p, P4_KW_THRESHOLD "=")) { 1924 q = strchr(p, '='); 1925 if (*++q == '\0') /* skip '=' */ 1926 return (-1); 1927 1928 count = strtol(q, &e, 0); 1929 if (e == q || *e != '\0') 1930 return (-1); 1931 1932 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 1933 pmc_config->pm_md.pm_p4.pm_p4_cccrconfig &= 1934 ~P4_CCCR_THRESHOLD_MASK; 1935 pmc_config->pm_md.pm_p4.pm_p4_cccrconfig |= 1936 P4_CCCR_TO_THRESHOLD(count); 1937 } else if (KWMATCH(p, P4_KW_USR)) 1938 pmc_config->pm_caps |= PMC_CAP_USER; 1939 else 1940 return (-1); 1941 } 1942 1943 /* other post processing */ 1944 if (pe == PMC_EV_P4_IOQ_ALLOCATION || 1945 pe == PMC_EV_P4_FSB_DATA_ACTIVITY || 1946 pe == PMC_EV_P4_BSQ_ALLOCATION) 1947 pmc_config->pm_caps |= PMC_CAP_EDGE; 1948 1949 /* fill in thread activity mask */ 1950 pmc_config->pm_md.pm_p4.pm_p4_cccrconfig |= 1951 P4_CCCR_TO_ACTIVE_THREAD(cccractivemask); 1952 1953 if (evmask) 1954 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1955 1956 switch (pe) { 1957 case PMC_EV_P4_FSB_DATA_ACTIVITY: 1958 if ((evmask & 0x06) == 0x06 || 1959 (evmask & 0x18) == 0x18) 1960 return (-1); /* can't have own+other bits together */ 1961 if (evmask == 0) /* default:drdy-{drv,own}+dbsy{drv,own} */ 1962 evmask = 0x1D; 1963 break; 1964 case PMC_EV_P4_MACHINE_CLEAR: 1965 /* only one bit is allowed to be set */ 1966 if ((evmask & (evmask - 1)) != 0) 1967 return (-1); 1968 if (evmask == 0) { 1969 evmask = 0x1; /* 'CLEAR' */ 1970 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1971 } 1972 break; 1973 default: 1974 if (evmask == 0 && pmask) { 1975 for (pm = pmask; pm->pm_name; pm++) 1976 evmask |= pm->pm_value; 1977 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 1978 } 1979 } 1980 1981 pmc_config->pm_md.pm_p4.pm_p4_escrconfig = 1982 P4_ESCR_TO_EVENT_MASK(evmask); 1983 1984 return (0); 1985} 1986 1987#endif 1988 1989#if defined(__i386__) 1990 1991/* 1992 * Pentium style PMCs 1993 */ 1994 1995static struct pmc_event_alias p5_aliases[] = { 1996 EV_ALIAS("branches", "p5-taken-branches"), 1997 EV_ALIAS("cycles", "tsc"), 1998 EV_ALIAS("dc-misses", "p5-data-read-miss-or-write-miss"), 1999 EV_ALIAS("ic-misses", "p5-code-cache-miss"), 2000 EV_ALIAS("instructions", "p5-instructions-executed"), 2001 EV_ALIAS("interrupts", "p5-hardware-interrupts"), 2002 EV_ALIAS("unhalted-cycles", 2003 "p5-number-of-cycles-not-in-halt-state"), 2004 EV_ALIAS(NULL, NULL) 2005}; 2006 2007static int 2008p5_allocate_pmc(enum pmc_event pe, char *ctrspec, 2009 struct pmc_op_pmcallocate *pmc_config) 2010{ 2011 return (-1 || pe || ctrspec || pmc_config); /* shut up gcc */ 2012} 2013 2014/* 2015 * Pentium Pro style PMCs. These PMCs are found in Pentium II, Pentium III, 2016 * and Pentium M CPUs. 2017 */ 2018 2019static struct pmc_event_alias p6_aliases[] = { 2020 EV_ALIAS("branches", "p6-br-inst-retired"), 2021 EV_ALIAS("branch-mispredicts", "p6-br-miss-pred-retired"), 2022 EV_ALIAS("cycles", "tsc"), 2023 EV_ALIAS("dc-misses", "p6-dcu-lines-in"), 2024 EV_ALIAS("ic-misses", "p6-ifu-fetch-miss"), 2025 EV_ALIAS("instructions", "p6-inst-retired"), 2026 EV_ALIAS("interrupts", "p6-hw-int-rx"), 2027 EV_ALIAS("unhalted-cycles", "p6-cpu-clk-unhalted"), 2028 EV_ALIAS(NULL, NULL) 2029}; 2030 2031#define P6_KW_CMASK "cmask" 2032#define P6_KW_EDGE "edge" 2033#define P6_KW_INV "inv" 2034#define P6_KW_OS "os" 2035#define P6_KW_UMASK "umask" 2036#define P6_KW_USR "usr" 2037 2038static struct pmc_masks p6_mask_mesi[] = { 2039 PMCMASK(m, 0x01), 2040 PMCMASK(e, 0x02), 2041 PMCMASK(s, 0x04), 2042 PMCMASK(i, 0x08), 2043 NULLMASK 2044}; 2045 2046static struct pmc_masks p6_mask_mesihw[] = { 2047 PMCMASK(m, 0x01), 2048 PMCMASK(e, 0x02), 2049 PMCMASK(s, 0x04), 2050 PMCMASK(i, 0x08), 2051 PMCMASK(nonhw, 0x00), 2052 PMCMASK(hw, 0x10), 2053 PMCMASK(both, 0x30), 2054 NULLMASK 2055}; 2056 2057static struct pmc_masks p6_mask_hw[] = { 2058 PMCMASK(nonhw, 0x00), 2059 PMCMASK(hw, 0x10), 2060 PMCMASK(both, 0x30), 2061 NULLMASK 2062}; 2063 2064static struct pmc_masks p6_mask_any[] = { 2065 PMCMASK(self, 0x00), 2066 PMCMASK(any, 0x20), 2067 NULLMASK 2068}; 2069 2070static struct pmc_masks p6_mask_ekp[] = { 2071 PMCMASK(nta, 0x00), 2072 PMCMASK(t1, 0x01), 2073 PMCMASK(t2, 0x02), 2074 PMCMASK(wos, 0x03), 2075 NULLMASK 2076}; 2077 2078static struct pmc_masks p6_mask_pps[] = { 2079 PMCMASK(packed-and-scalar, 0x00), 2080 PMCMASK(scalar, 0x01), 2081 NULLMASK 2082}; 2083 2084static struct pmc_masks p6_mask_mite[] = { 2085 PMCMASK(packed-multiply, 0x01), 2086 PMCMASK(packed-shift, 0x02), 2087 PMCMASK(pack, 0x04), 2088 PMCMASK(unpack, 0x08), 2089 PMCMASK(packed-logical, 0x10), 2090 PMCMASK(packed-arithmetic, 0x20), 2091 NULLMASK 2092}; 2093 2094static struct pmc_masks p6_mask_fmt[] = { 2095 PMCMASK(mmxtofp, 0x00), 2096 PMCMASK(fptommx, 0x01), 2097 NULLMASK 2098}; 2099 2100static struct pmc_masks p6_mask_sr[] = { 2101 PMCMASK(es, 0x01), 2102 PMCMASK(ds, 0x02), 2103 PMCMASK(fs, 0x04), 2104 PMCMASK(gs, 0x08), 2105 NULLMASK 2106}; 2107 2108static struct pmc_masks p6_mask_eet[] = { 2109 PMCMASK(all, 0x00), 2110 PMCMASK(freq, 0x02), 2111 NULLMASK 2112}; 2113 2114static struct pmc_masks p6_mask_efur[] = { 2115 PMCMASK(all, 0x00), 2116 PMCMASK(loadop, 0x01), 2117 PMCMASK(stdsta, 0x02), 2118 NULLMASK 2119}; 2120 2121static struct pmc_masks p6_mask_essir[] = { 2122 PMCMASK(sse-packed-single, 0x00), 2123 PMCMASK(sse-packed-single-scalar-single, 0x01), 2124 PMCMASK(sse2-packed-double, 0x02), 2125 PMCMASK(sse2-scalar-double, 0x03), 2126 NULLMASK 2127}; 2128 2129static struct pmc_masks p6_mask_esscir[] = { 2130 PMCMASK(sse-packed-single, 0x00), 2131 PMCMASK(sse-scalar-single, 0x01), 2132 PMCMASK(sse2-packed-double, 0x02), 2133 PMCMASK(sse2-scalar-double, 0x03), 2134 NULLMASK 2135}; 2136 2137/* P6 event parser */ 2138static int 2139p6_allocate_pmc(enum pmc_event pe, char *ctrspec, 2140 struct pmc_op_pmcallocate *pmc_config) 2141{ 2142 char *e, *p, *q; 2143 uint64_t evmask; 2144 int count, n; 2145 const struct pmc_masks *pm, *pmask; 2146 2147 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 2148 pmc_config->pm_md.pm_ppro.pm_ppro_config = 0; 2149 2150 evmask = 0; 2151 2152#define P6MASKSET(M) pmask = p6_mask_ ## M 2153 2154 switch(pe) { 2155 case PMC_EV_P6_L2_IFETCH: P6MASKSET(mesi); break; 2156 case PMC_EV_P6_L2_LD: P6MASKSET(mesi); break; 2157 case PMC_EV_P6_L2_ST: P6MASKSET(mesi); break; 2158 case PMC_EV_P6_L2_RQSTS: P6MASKSET(mesi); break; 2159 case PMC_EV_P6_BUS_DRDY_CLOCKS: 2160 case PMC_EV_P6_BUS_LOCK_CLOCKS: 2161 case PMC_EV_P6_BUS_TRAN_BRD: 2162 case PMC_EV_P6_BUS_TRAN_RFO: 2163 case PMC_EV_P6_BUS_TRANS_WB: 2164 case PMC_EV_P6_BUS_TRAN_IFETCH: 2165 case PMC_EV_P6_BUS_TRAN_INVAL: 2166 case PMC_EV_P6_BUS_TRAN_PWR: 2167 case PMC_EV_P6_BUS_TRANS_P: 2168 case PMC_EV_P6_BUS_TRANS_IO: 2169 case PMC_EV_P6_BUS_TRAN_DEF: 2170 case PMC_EV_P6_BUS_TRAN_BURST: 2171 case PMC_EV_P6_BUS_TRAN_ANY: 2172 case PMC_EV_P6_BUS_TRAN_MEM: 2173 P6MASKSET(any); break; 2174 case PMC_EV_P6_EMON_KNI_PREF_DISPATCHED: 2175 case PMC_EV_P6_EMON_KNI_PREF_MISS: 2176 P6MASKSET(ekp); break; 2177 case PMC_EV_P6_EMON_KNI_INST_RETIRED: 2178 case PMC_EV_P6_EMON_KNI_COMP_INST_RET: 2179 P6MASKSET(pps); break; 2180 case PMC_EV_P6_MMX_INSTR_TYPE_EXEC: 2181 P6MASKSET(mite); break; 2182 case PMC_EV_P6_FP_MMX_TRANS: 2183 P6MASKSET(fmt); break; 2184 case PMC_EV_P6_SEG_RENAME_STALLS: 2185 case PMC_EV_P6_SEG_REG_RENAMES: 2186 P6MASKSET(sr); break; 2187 case PMC_EV_P6_EMON_EST_TRANS: 2188 P6MASKSET(eet); break; 2189 case PMC_EV_P6_EMON_FUSED_UOPS_RET: 2190 P6MASKSET(efur); break; 2191 case PMC_EV_P6_EMON_SSE_SSE2_INST_RETIRED: 2192 P6MASKSET(essir); break; 2193 case PMC_EV_P6_EMON_SSE_SSE2_COMP_INST_RETIRED: 2194 P6MASKSET(esscir); break; 2195 default: 2196 pmask = NULL; 2197 break; 2198 } 2199 2200 /* Pentium M PMCs have a few events with different semantics */ 2201 if (cpu_info.pm_cputype == PMC_CPU_INTEL_PM) { 2202 if (pe == PMC_EV_P6_L2_LD || 2203 pe == PMC_EV_P6_L2_LINES_IN || 2204 pe == PMC_EV_P6_L2_LINES_OUT) 2205 P6MASKSET(mesihw); 2206 else if (pe == PMC_EV_P6_L2_M_LINES_OUTM) 2207 P6MASKSET(hw); 2208 } 2209 2210 /* Parse additional modifiers if present */ 2211 while ((p = strsep(&ctrspec, ",")) != NULL) { 2212 if (KWPREFIXMATCH(p, P6_KW_CMASK "=")) { 2213 q = strchr(p, '='); 2214 if (*++q == '\0') /* skip '=' */ 2215 return (-1); 2216 count = strtol(q, &e, 0); 2217 if (e == q || *e != '\0') 2218 return (-1); 2219 pmc_config->pm_caps |= PMC_CAP_THRESHOLD; 2220 pmc_config->pm_md.pm_ppro.pm_ppro_config |= 2221 P6_EVSEL_TO_CMASK(count); 2222 } else if (KWMATCH(p, P6_KW_EDGE)) { 2223 pmc_config->pm_caps |= PMC_CAP_EDGE; 2224 } else if (KWMATCH(p, P6_KW_INV)) { 2225 pmc_config->pm_caps |= PMC_CAP_INVERT; 2226 } else if (KWMATCH(p, P6_KW_OS)) { 2227 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 2228 } else if (KWPREFIXMATCH(p, P6_KW_UMASK "=")) { 2229 evmask = 0; 2230 if ((n = pmc_parse_mask(pmask, p, &evmask)) < 0) 2231 return (-1); 2232 if ((pe == PMC_EV_P6_BUS_DRDY_CLOCKS || 2233 pe == PMC_EV_P6_BUS_LOCK_CLOCKS || 2234 pe == PMC_EV_P6_BUS_TRAN_BRD || 2235 pe == PMC_EV_P6_BUS_TRAN_RFO || 2236 pe == PMC_EV_P6_BUS_TRAN_IFETCH || 2237 pe == PMC_EV_P6_BUS_TRAN_INVAL || 2238 pe == PMC_EV_P6_BUS_TRAN_PWR || 2239 pe == PMC_EV_P6_BUS_TRAN_DEF || 2240 pe == PMC_EV_P6_BUS_TRAN_BURST || 2241 pe == PMC_EV_P6_BUS_TRAN_ANY || 2242 pe == PMC_EV_P6_BUS_TRAN_MEM || 2243 pe == PMC_EV_P6_BUS_TRANS_IO || 2244 pe == PMC_EV_P6_BUS_TRANS_P || 2245 pe == PMC_EV_P6_BUS_TRANS_WB || 2246 pe == PMC_EV_P6_EMON_EST_TRANS || 2247 pe == PMC_EV_P6_EMON_FUSED_UOPS_RET || 2248 pe == PMC_EV_P6_EMON_KNI_COMP_INST_RET || 2249 pe == PMC_EV_P6_EMON_KNI_INST_RETIRED || 2250 pe == PMC_EV_P6_EMON_KNI_PREF_DISPATCHED || 2251 pe == PMC_EV_P6_EMON_KNI_PREF_MISS || 2252 pe == PMC_EV_P6_EMON_SSE_SSE2_COMP_INST_RETIRED || 2253 pe == PMC_EV_P6_EMON_SSE_SSE2_INST_RETIRED || 2254 pe == PMC_EV_P6_FP_MMX_TRANS) 2255 && (n > 1)) /* Only one mask keyword is allowed. */ 2256 return (-1); 2257 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 2258 } else if (KWMATCH(p, P6_KW_USR)) { 2259 pmc_config->pm_caps |= PMC_CAP_USER; 2260 } else 2261 return (-1); 2262 } 2263 2264 /* post processing */ 2265 switch (pe) { 2266 2267 /* 2268 * The following events default to an evmask of 0 2269 */ 2270 2271 /* default => 'self' */ 2272 case PMC_EV_P6_BUS_DRDY_CLOCKS: 2273 case PMC_EV_P6_BUS_LOCK_CLOCKS: 2274 case PMC_EV_P6_BUS_TRAN_BRD: 2275 case PMC_EV_P6_BUS_TRAN_RFO: 2276 case PMC_EV_P6_BUS_TRANS_WB: 2277 case PMC_EV_P6_BUS_TRAN_IFETCH: 2278 case PMC_EV_P6_BUS_TRAN_INVAL: 2279 case PMC_EV_P6_BUS_TRAN_PWR: 2280 case PMC_EV_P6_BUS_TRANS_P: 2281 case PMC_EV_P6_BUS_TRANS_IO: 2282 case PMC_EV_P6_BUS_TRAN_DEF: 2283 case PMC_EV_P6_BUS_TRAN_BURST: 2284 case PMC_EV_P6_BUS_TRAN_ANY: 2285 case PMC_EV_P6_BUS_TRAN_MEM: 2286 2287 /* default => 'nta' */ 2288 case PMC_EV_P6_EMON_KNI_PREF_DISPATCHED: 2289 case PMC_EV_P6_EMON_KNI_PREF_MISS: 2290 2291 /* default => 'packed and scalar' */ 2292 case PMC_EV_P6_EMON_KNI_INST_RETIRED: 2293 case PMC_EV_P6_EMON_KNI_COMP_INST_RET: 2294 2295 /* default => 'mmx to fp transitions' */ 2296 case PMC_EV_P6_FP_MMX_TRANS: 2297 2298 /* default => 'SSE Packed Single' */ 2299 case PMC_EV_P6_EMON_SSE_SSE2_INST_RETIRED: 2300 case PMC_EV_P6_EMON_SSE_SSE2_COMP_INST_RETIRED: 2301 2302 /* default => 'all fused micro-ops' */ 2303 case PMC_EV_P6_EMON_FUSED_UOPS_RET: 2304 2305 /* default => 'all transitions' */ 2306 case PMC_EV_P6_EMON_EST_TRANS: 2307 break; 2308 2309 case PMC_EV_P6_MMX_UOPS_EXEC: 2310 evmask = 0x0F; /* only value allowed */ 2311 break; 2312 2313 default: 2314 /* 2315 * For all other events, set the default event mask 2316 * to a logical OR of all the allowed event mask bits. 2317 */ 2318 if (evmask == 0 && pmask) { 2319 for (pm = pmask; pm->pm_name; pm++) 2320 evmask |= pm->pm_value; 2321 pmc_config->pm_caps |= PMC_CAP_QUALIFIER; 2322 } 2323 2324 break; 2325 } 2326 2327 if (pmc_config->pm_caps & PMC_CAP_QUALIFIER) 2328 pmc_config->pm_md.pm_ppro.pm_ppro_config |= 2329 P6_EVSEL_TO_UMASK(evmask); 2330 2331 return (0); 2332} 2333 2334#endif 2335 2336#if defined(__i386__) || defined(__amd64__) 2337static int 2338tsc_allocate_pmc(enum pmc_event pe, char *ctrspec, 2339 struct pmc_op_pmcallocate *pmc_config) 2340{ 2341 if (pe != PMC_EV_TSC_TSC) 2342 return (-1); 2343 2344 /* TSC events must be unqualified. */ 2345 if (ctrspec && *ctrspec != '\0') 2346 return (-1); 2347 2348 pmc_config->pm_md.pm_amd.pm_amd_config = 0; 2349 pmc_config->pm_caps |= PMC_CAP_READ; 2350 2351 return (0); 2352} 2353#endif 2354 2355static struct pmc_event_alias generic_aliases[] = { 2356 EV_ALIAS("instructions", "SOFT-CLOCK.HARD"), 2357 EV_ALIAS(NULL, NULL) 2358}; 2359 2360static int 2361soft_allocate_pmc(enum pmc_event pe, char *ctrspec, 2362 struct pmc_op_pmcallocate *pmc_config) 2363{ 2364 (void)ctrspec; 2365 (void)pmc_config; 2366 2367 if ((int)pe < PMC_EV_SOFT_FIRST || (int)pe > PMC_EV_SOFT_LAST) 2368 return (-1); 2369 2370 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 2371 return (0); 2372} 2373 2374#if defined(__XSCALE__) 2375 2376static struct pmc_event_alias xscale_aliases[] = { 2377 EV_ALIAS("branches", "BRANCH_RETIRED"), 2378 EV_ALIAS("branch-mispredicts", "BRANCH_MISPRED"), 2379 EV_ALIAS("dc-misses", "DC_MISS"), 2380 EV_ALIAS("ic-misses", "IC_MISS"), 2381 EV_ALIAS("instructions", "INSTR_RETIRED"), 2382 EV_ALIAS(NULL, NULL) 2383}; 2384static int 2385xscale_allocate_pmc(enum pmc_event pe, char *ctrspec __unused, 2386 struct pmc_op_pmcallocate *pmc_config __unused) 2387{ 2388 switch (pe) { 2389 default: 2390 break; 2391 } 2392 2393 return (0); 2394} 2395#endif 2396 2397#if defined(__mips__) 2398 2399static struct pmc_event_alias mips24k_aliases[] = { 2400 EV_ALIAS("instructions", "INSTR_EXECUTED"), 2401 EV_ALIAS("branches", "BRANCH_COMPLETED"), 2402 EV_ALIAS("branch-mispredicts", "BRANCH_MISPRED"), 2403 EV_ALIAS(NULL, NULL) 2404}; 2405 2406static struct pmc_event_alias octeon_aliases[] = { 2407 EV_ALIAS("instructions", "RET"), 2408 EV_ALIAS("branches", "BR"), 2409 EV_ALIAS("branch-mispredicts", "BRMIS"), 2410 EV_ALIAS(NULL, NULL) 2411}; 2412 2413#define MIPS_KW_OS "os" 2414#define MIPS_KW_USR "usr" 2415#define MIPS_KW_ANYTHREAD "anythread" 2416 2417static int 2418mips_allocate_pmc(enum pmc_event pe, char *ctrspec __unused, 2419 struct pmc_op_pmcallocate *pmc_config __unused) 2420{ 2421 char *p; 2422 2423 (void) pe; 2424 2425 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 2426 2427 while ((p = strsep(&ctrspec, ",")) != NULL) { 2428 if (KWMATCH(p, MIPS_KW_OS)) 2429 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 2430 else if (KWMATCH(p, MIPS_KW_USR)) 2431 pmc_config->pm_caps |= PMC_CAP_USER; 2432 else if (KWMATCH(p, MIPS_KW_ANYTHREAD)) 2433 pmc_config->pm_caps |= (PMC_CAP_USER | PMC_CAP_SYSTEM); 2434 else 2435 return (-1); 2436 } 2437 2438 return (0); 2439} 2440 2441#endif /* __mips__ */ 2442 2443#if defined(__powerpc__) 2444 2445static struct pmc_event_alias ppc7450_aliases[] = { 2446 EV_ALIAS("instructions", "INSTR_COMPLETED"), 2447 EV_ALIAS("branches", "BRANCHES_COMPLETED"), 2448 EV_ALIAS("branch-mispredicts", "MISPREDICTED_BRANCHES"), 2449 EV_ALIAS(NULL, NULL) 2450}; 2451 2452static struct pmc_event_alias ppc970_aliases[] = { 2453 EV_ALIAS("instructions", "INSTR_COMPLETED"), 2454 EV_ALIAS("cycles", "CYCLES"), 2455 EV_ALIAS(NULL, NULL) 2456}; 2457 2458#define POWERPC_KW_OS "os" 2459#define POWERPC_KW_USR "usr" 2460#define POWERPC_KW_ANYTHREAD "anythread" 2461 2462static int 2463powerpc_allocate_pmc(enum pmc_event pe, char *ctrspec __unused, 2464 struct pmc_op_pmcallocate *pmc_config __unused) 2465{ 2466 char *p; 2467 2468 (void) pe; 2469 2470 pmc_config->pm_caps |= (PMC_CAP_READ | PMC_CAP_WRITE); 2471 2472 while ((p = strsep(&ctrspec, ",")) != NULL) { 2473 if (KWMATCH(p, POWERPC_KW_OS)) 2474 pmc_config->pm_caps |= PMC_CAP_SYSTEM; 2475 else if (KWMATCH(p, POWERPC_KW_USR)) 2476 pmc_config->pm_caps |= PMC_CAP_USER; 2477 else if (KWMATCH(p, POWERPC_KW_ANYTHREAD)) 2478 pmc_config->pm_caps |= (PMC_CAP_USER | PMC_CAP_SYSTEM); 2479 else 2480 return (-1); 2481 } 2482 2483 return (0); 2484} 2485 2486#endif /* __powerpc__ */ 2487 2488 2489/* 2490 * Match an event name `name' with its canonical form. 2491 * 2492 * Matches are case insensitive and spaces, periods, underscores and 2493 * hyphen characters are considered to match each other. 2494 * 2495 * Returns 1 for a match, 0 otherwise. 2496 */ 2497 2498static int 2499pmc_match_event_name(const char *name, const char *canonicalname) 2500{ 2501 int cc, nc; 2502 const unsigned char *c, *n; 2503 2504 c = (const unsigned char *) canonicalname; 2505 n = (const unsigned char *) name; 2506 2507 for (; (nc = *n) && (cc = *c); n++, c++) { 2508 2509 if ((nc == ' ' || nc == '_' || nc == '-' || nc == '.') && 2510 (cc == ' ' || cc == '_' || cc == '-' || cc == '.')) 2511 continue; 2512 2513 if (toupper(nc) == toupper(cc)) 2514 continue; 2515 2516 2517 return (0); 2518 } 2519 2520 if (*n == '\0' && *c == '\0') 2521 return (1); 2522 2523 return (0); 2524} 2525 2526/* 2527 * Match an event name against all the event named supported by a 2528 * PMC class. 2529 * 2530 * Returns an event descriptor pointer on match or NULL otherwise. 2531 */ 2532static const struct pmc_event_descr * 2533pmc_match_event_class(const char *name, 2534 const struct pmc_class_descr *pcd) 2535{ 2536 size_t n; 2537 const struct pmc_event_descr *ev; 2538 2539 ev = pcd->pm_evc_event_table; 2540 for (n = 0; n < pcd->pm_evc_event_table_size; n++, ev++) 2541 if (pmc_match_event_name(name, ev->pm_ev_name)) 2542 return (ev); 2543 2544 return (NULL); 2545} 2546 2547static int 2548pmc_mdep_is_compatible_class(enum pmc_class pc) 2549{ 2550 size_t n; 2551 2552 for (n = 0; n < pmc_mdep_class_list_size; n++) 2553 if (pmc_mdep_class_list[n] == pc) 2554 return (1); 2555 return (0); 2556} 2557 2558/* 2559 * API entry points 2560 */ 2561 2562int 2563pmc_allocate(const char *ctrspec, enum pmc_mode mode, 2564 uint32_t flags, int cpu, pmc_id_t *pmcid) 2565{ 2566 size_t n; 2567 int retval; 2568 char *r, *spec_copy; 2569 const char *ctrname; 2570 const struct pmc_event_descr *ev; 2571 const struct pmc_event_alias *alias; 2572 struct pmc_op_pmcallocate pmc_config; 2573 const struct pmc_class_descr *pcd; 2574 2575 spec_copy = NULL; 2576 retval = -1; 2577 2578 if (mode != PMC_MODE_SS && mode != PMC_MODE_TS && 2579 mode != PMC_MODE_SC && mode != PMC_MODE_TC) { 2580 errno = EINVAL; 2581 goto out; 2582 } 2583 2584 /* replace an event alias with the canonical event specifier */ 2585 if (pmc_mdep_event_aliases) 2586 for (alias = pmc_mdep_event_aliases; alias->pm_alias; alias++) 2587 if (!strcasecmp(ctrspec, alias->pm_alias)) { 2588 spec_copy = strdup(alias->pm_spec); 2589 break; 2590 } 2591 2592 if (spec_copy == NULL) 2593 spec_copy = strdup(ctrspec); 2594 2595 r = spec_copy; 2596 ctrname = strsep(&r, ","); 2597 2598 /* 2599 * If a explicit class prefix was given by the user, restrict the 2600 * search for the event to the specified PMC class. 2601 */ 2602 ev = NULL; 2603 for (n = 0; n < PMC_CLASS_TABLE_SIZE; n++) { 2604 pcd = pmc_class_table[n]; 2605 if (pmc_mdep_is_compatible_class(pcd->pm_evc_class) && 2606 strncasecmp(ctrname, pcd->pm_evc_name, 2607 pcd->pm_evc_name_size) == 0) { 2608 if ((ev = pmc_match_event_class(ctrname + 2609 pcd->pm_evc_name_size, pcd)) == NULL) { 2610 errno = EINVAL; 2611 goto out; 2612 } 2613 break; 2614 } 2615 } 2616 2617 /* 2618 * Otherwise, search for this event in all compatible PMC 2619 * classes. 2620 */ 2621 for (n = 0; ev == NULL && n < PMC_CLASS_TABLE_SIZE; n++) { 2622 pcd = pmc_class_table[n]; 2623 if (pmc_mdep_is_compatible_class(pcd->pm_evc_class)) 2624 ev = pmc_match_event_class(ctrname, pcd); 2625 } 2626 2627 if (ev == NULL) { 2628 errno = EINVAL; 2629 goto out; 2630 } 2631 2632 bzero(&pmc_config, sizeof(pmc_config)); 2633 pmc_config.pm_ev = ev->pm_ev_code; 2634 pmc_config.pm_class = pcd->pm_evc_class; 2635 pmc_config.pm_cpu = cpu; 2636 pmc_config.pm_mode = mode; 2637 pmc_config.pm_flags = flags; 2638 2639 if (PMC_IS_SAMPLING_MODE(mode)) 2640 pmc_config.pm_caps |= PMC_CAP_INTERRUPT; 2641 2642 if (pcd->pm_evc_allocate_pmc(ev->pm_ev_code, r, &pmc_config) < 0) { 2643 errno = EINVAL; 2644 goto out; 2645 } 2646 2647 if (PMC_CALL(PMCALLOCATE, &pmc_config) < 0) 2648 goto out; 2649 2650 *pmcid = pmc_config.pm_pmcid; 2651 2652 retval = 0; 2653 2654 out: 2655 if (spec_copy) 2656 free(spec_copy); 2657 2658 return (retval); 2659} 2660 2661int 2662pmc_attach(pmc_id_t pmc, pid_t pid) 2663{ 2664 struct pmc_op_pmcattach pmc_attach_args; 2665 2666 pmc_attach_args.pm_pmc = pmc; 2667 pmc_attach_args.pm_pid = pid; 2668 2669 return (PMC_CALL(PMCATTACH, &pmc_attach_args)); 2670} 2671 2672int 2673pmc_capabilities(pmc_id_t pmcid, uint32_t *caps) 2674{ 2675 unsigned int i; 2676 enum pmc_class cl; 2677 2678 cl = PMC_ID_TO_CLASS(pmcid); 2679 for (i = 0; i < cpu_info.pm_nclass; i++) 2680 if (cpu_info.pm_classes[i].pm_class == cl) { 2681 *caps = cpu_info.pm_classes[i].pm_caps; 2682 return (0); 2683 } 2684 errno = EINVAL; 2685 return (-1); 2686} 2687 2688int 2689pmc_configure_logfile(int fd) 2690{ 2691 struct pmc_op_configurelog cla; 2692 2693 cla.pm_logfd = fd; 2694 if (PMC_CALL(CONFIGURELOG, &cla) < 0) 2695 return (-1); 2696 return (0); 2697} 2698 2699int 2700pmc_cpuinfo(const struct pmc_cpuinfo **pci) 2701{ 2702 if (pmc_syscall == -1) { 2703 errno = ENXIO; 2704 return (-1); 2705 } 2706 2707 *pci = &cpu_info; 2708 return (0); 2709} 2710 2711int 2712pmc_detach(pmc_id_t pmc, pid_t pid) 2713{ 2714 struct pmc_op_pmcattach pmc_detach_args; 2715 2716 pmc_detach_args.pm_pmc = pmc; 2717 pmc_detach_args.pm_pid = pid; 2718 return (PMC_CALL(PMCDETACH, &pmc_detach_args)); 2719} 2720 2721int 2722pmc_disable(int cpu, int pmc) 2723{ 2724 struct pmc_op_pmcadmin ssa; 2725 2726 ssa.pm_cpu = cpu; 2727 ssa.pm_pmc = pmc; 2728 ssa.pm_state = PMC_STATE_DISABLED; 2729 return (PMC_CALL(PMCADMIN, &ssa)); 2730} 2731 2732int 2733pmc_enable(int cpu, int pmc) 2734{ 2735 struct pmc_op_pmcadmin ssa; 2736 2737 ssa.pm_cpu = cpu; 2738 ssa.pm_pmc = pmc; 2739 ssa.pm_state = PMC_STATE_FREE; 2740 return (PMC_CALL(PMCADMIN, &ssa)); 2741} 2742 2743/* 2744 * Return a list of events known to a given PMC class. 'cl' is the 2745 * PMC class identifier, 'eventnames' is the returned list of 'const 2746 * char *' pointers pointing to the names of the events. 'nevents' is 2747 * the number of event name pointers returned. 2748 * 2749 * The space for 'eventnames' is allocated using malloc(3). The caller 2750 * is responsible for freeing this space when done. 2751 */ 2752int 2753pmc_event_names_of_class(enum pmc_class cl, const char ***eventnames, 2754 int *nevents) 2755{ 2756 int count; 2757 const char **names; 2758 const struct pmc_event_descr *ev; 2759 2760 switch (cl) 2761 { 2762 case PMC_CLASS_IAF: 2763 ev = iaf_event_table; 2764 count = PMC_EVENT_TABLE_SIZE(iaf); 2765 break; 2766 case PMC_CLASS_IAP: 2767 /* 2768 * Return the most appropriate set of event name 2769 * spellings for the current CPU. 2770 */ 2771 switch (cpu_info.pm_cputype) { 2772 default: 2773 case PMC_CPU_INTEL_ATOM: 2774 ev = atom_event_table; 2775 count = PMC_EVENT_TABLE_SIZE(atom); 2776 break; 2777 case PMC_CPU_INTEL_ATOM_SILVERMONT: 2778 ev = atom_silvermont_event_table; 2779 count = PMC_EVENT_TABLE_SIZE(atom_silvermont); 2780 break; 2781 case PMC_CPU_INTEL_CORE: 2782 ev = core_event_table; 2783 count = PMC_EVENT_TABLE_SIZE(core); 2784 break; 2785 case PMC_CPU_INTEL_CORE2: 2786 case PMC_CPU_INTEL_CORE2EXTREME: 2787 ev = core2_event_table; 2788 count = PMC_EVENT_TABLE_SIZE(core2); 2789 break; 2790 case PMC_CPU_INTEL_COREI7: 2791 ev = corei7_event_table; 2792 count = PMC_EVENT_TABLE_SIZE(corei7); 2793 break; 2794 case PMC_CPU_INTEL_NEHALEM_EX: 2795 ev = nehalem_ex_event_table; 2796 count = PMC_EVENT_TABLE_SIZE(nehalem_ex); 2797 break; 2798 case PMC_CPU_INTEL_HASWELL: 2799 ev = haswell_event_table; 2800 count = PMC_EVENT_TABLE_SIZE(haswell); 2801 break; 2802 case PMC_CPU_INTEL_HASWELL_XEON: 2803 ev = haswell_xeon_event_table; 2804 count = PMC_EVENT_TABLE_SIZE(haswell_xeon); 2805 break; 2806 case PMC_CPU_INTEL_IVYBRIDGE: 2807 ev = ivybridge_event_table; 2808 count = PMC_EVENT_TABLE_SIZE(ivybridge); 2809 break; 2810 case PMC_CPU_INTEL_IVYBRIDGE_XEON: 2811 ev = ivybridge_xeon_event_table; 2812 count = PMC_EVENT_TABLE_SIZE(ivybridge_xeon); 2813 break; 2814 case PMC_CPU_INTEL_SANDYBRIDGE: 2815 ev = sandybridge_event_table; 2816 count = PMC_EVENT_TABLE_SIZE(sandybridge); 2817 break; 2818 case PMC_CPU_INTEL_SANDYBRIDGE_XEON: 2819 ev = sandybridge_xeon_event_table; 2820 count = PMC_EVENT_TABLE_SIZE(sandybridge_xeon); 2821 break; 2822 case PMC_CPU_INTEL_WESTMERE: 2823 ev = westmere_event_table; 2824 count = PMC_EVENT_TABLE_SIZE(westmere); 2825 break; 2826 case PMC_CPU_INTEL_WESTMERE_EX: 2827 ev = westmere_ex_event_table; 2828 count = PMC_EVENT_TABLE_SIZE(westmere_ex); 2829 break; 2830 } 2831 break; 2832 case PMC_CLASS_UCF: 2833 ev = ucf_event_table; 2834 count = PMC_EVENT_TABLE_SIZE(ucf); 2835 break; 2836 case PMC_CLASS_UCP: 2837 /* 2838 * Return the most appropriate set of event name 2839 * spellings for the current CPU. 2840 */ 2841 switch (cpu_info.pm_cputype) { 2842 default: 2843 case PMC_CPU_INTEL_COREI7: 2844 ev = corei7uc_event_table; 2845 count = PMC_EVENT_TABLE_SIZE(corei7uc); 2846 break; 2847 case PMC_CPU_INTEL_HASWELL: 2848 ev = haswelluc_event_table; 2849 count = PMC_EVENT_TABLE_SIZE(haswelluc); 2850 break; 2851 case PMC_CPU_INTEL_SANDYBRIDGE: 2852 ev = sandybridgeuc_event_table; 2853 count = PMC_EVENT_TABLE_SIZE(sandybridgeuc); 2854 break; 2855 case PMC_CPU_INTEL_WESTMERE: 2856 ev = westmereuc_event_table; 2857 count = PMC_EVENT_TABLE_SIZE(westmereuc); 2858 break; 2859 } 2860 break; 2861 case PMC_CLASS_TSC: 2862 ev = tsc_event_table; 2863 count = PMC_EVENT_TABLE_SIZE(tsc); 2864 break; 2865 case PMC_CLASS_K7: 2866 ev = k7_event_table; 2867 count = PMC_EVENT_TABLE_SIZE(k7); 2868 break; 2869 case PMC_CLASS_K8: 2870 ev = k8_event_table; 2871 count = PMC_EVENT_TABLE_SIZE(k8); 2872 break; 2873 case PMC_CLASS_P4: 2874 ev = p4_event_table; 2875 count = PMC_EVENT_TABLE_SIZE(p4); 2876 break; 2877 case PMC_CLASS_P5: 2878 ev = p5_event_table; 2879 count = PMC_EVENT_TABLE_SIZE(p5); 2880 break; 2881 case PMC_CLASS_P6: 2882 ev = p6_event_table; 2883 count = PMC_EVENT_TABLE_SIZE(p6); 2884 break; 2885 case PMC_CLASS_XSCALE: 2886 ev = xscale_event_table; 2887 count = PMC_EVENT_TABLE_SIZE(xscale); 2888 break; 2889 case PMC_CLASS_MIPS24K: 2890 ev = mips24k_event_table; 2891 count = PMC_EVENT_TABLE_SIZE(mips24k); 2892 break; 2893 case PMC_CLASS_OCTEON: 2894 ev = octeon_event_table; 2895 count = PMC_EVENT_TABLE_SIZE(octeon); 2896 break; 2897 case PMC_CLASS_PPC7450: 2898 ev = ppc7450_event_table; 2899 count = PMC_EVENT_TABLE_SIZE(ppc7450); 2900 break; 2901 case PMC_CLASS_PPC970: 2902 ev = ppc970_event_table; 2903 count = PMC_EVENT_TABLE_SIZE(ppc970); 2904 break; 2905 case PMC_CLASS_SOFT: 2906 ev = soft_event_table; 2907 count = soft_event_info.pm_nevent; 2908 break; 2909 default: 2910 errno = EINVAL; 2911 return (-1); 2912 } 2913 2914 if ((names = malloc(count * sizeof(const char *))) == NULL) 2915 return (-1); 2916 2917 *eventnames = names; 2918 *nevents = count; 2919 2920 for (;count--; ev++, names++) 2921 *names = ev->pm_ev_name; 2922 2923 return (0); 2924} 2925 2926int 2927pmc_flush_logfile(void) 2928{ 2929 return (PMC_CALL(FLUSHLOG,0)); 2930} 2931 2932int 2933pmc_close_logfile(void) 2934{ 2935 return (PMC_CALL(CLOSELOG,0)); 2936} 2937 2938int 2939pmc_get_driver_stats(struct pmc_driverstats *ds) 2940{ 2941 struct pmc_op_getdriverstats gms; 2942 2943 if (PMC_CALL(GETDRIVERSTATS, &gms) < 0) 2944 return (-1); 2945 2946 /* copy out fields in the current userland<->library interface */ 2947 ds->pm_intr_ignored = gms.pm_intr_ignored; 2948 ds->pm_intr_processed = gms.pm_intr_processed; 2949 ds->pm_intr_bufferfull = gms.pm_intr_bufferfull; 2950 ds->pm_syscalls = gms.pm_syscalls; 2951 ds->pm_syscall_errors = gms.pm_syscall_errors; 2952 ds->pm_buffer_requests = gms.pm_buffer_requests; 2953 ds->pm_buffer_requests_failed = gms.pm_buffer_requests_failed; 2954 ds->pm_log_sweeps = gms.pm_log_sweeps; 2955 return (0); 2956} 2957 2958int 2959pmc_get_msr(pmc_id_t pmc, uint32_t *msr) 2960{ 2961 struct pmc_op_getmsr gm; 2962 2963 gm.pm_pmcid = pmc; 2964 if (PMC_CALL(PMCGETMSR, &gm) < 0) 2965 return (-1); 2966 *msr = gm.pm_msr; 2967 return (0); 2968} 2969 2970int 2971pmc_init(void) 2972{ 2973 int error, pmc_mod_id; 2974 unsigned int n; 2975 uint32_t abi_version; 2976 struct module_stat pmc_modstat; 2977 struct pmc_op_getcpuinfo op_cpu_info; 2978#if defined(__amd64__) || defined(__i386__) 2979 int cpu_has_iaf_counters; 2980 unsigned int t; 2981#endif 2982 2983 if (pmc_syscall != -1) /* already inited */ 2984 return (0); 2985 2986 /* retrieve the system call number from the KLD */ 2987 if ((pmc_mod_id = modfind(PMC_MODULE_NAME)) < 0) 2988 return (-1); 2989 2990 pmc_modstat.version = sizeof(struct module_stat); 2991 if ((error = modstat(pmc_mod_id, &pmc_modstat)) < 0) 2992 return (-1); 2993 2994 pmc_syscall = pmc_modstat.data.intval; 2995 2996 /* check the kernel module's ABI against our compiled-in version */ 2997 abi_version = PMC_VERSION; 2998 if (PMC_CALL(GETMODULEVERSION, &abi_version) < 0) 2999 return (pmc_syscall = -1); 3000 3001 /* ignore patch & minor numbers for the comparision */ 3002 if ((abi_version & 0xFF000000) != (PMC_VERSION & 0xFF000000)) { 3003 errno = EPROGMISMATCH; 3004 return (pmc_syscall = -1); 3005 } 3006 3007 if (PMC_CALL(GETCPUINFO, &op_cpu_info) < 0) 3008 return (pmc_syscall = -1); 3009 3010 cpu_info.pm_cputype = op_cpu_info.pm_cputype; 3011 cpu_info.pm_ncpu = op_cpu_info.pm_ncpu; 3012 cpu_info.pm_npmc = op_cpu_info.pm_npmc; 3013 cpu_info.pm_nclass = op_cpu_info.pm_nclass; 3014 for (n = 0; n < cpu_info.pm_nclass; n++) 3015 cpu_info.pm_classes[n] = op_cpu_info.pm_classes[n]; 3016 3017 pmc_class_table = malloc(PMC_CLASS_TABLE_SIZE * 3018 sizeof(struct pmc_class_descr *)); 3019 3020 if (pmc_class_table == NULL) 3021 return (-1); 3022 3023 for (n = 0; n < PMC_CLASS_TABLE_SIZE; n++) 3024 pmc_class_table[n] = NULL; 3025 3026 /* 3027 * Get soft events list. 3028 */ 3029 soft_event_info.pm_class = PMC_CLASS_SOFT; 3030 if (PMC_CALL(GETDYNEVENTINFO, &soft_event_info) < 0) 3031 return (pmc_syscall = -1); 3032 3033 /* Map soft events to static list. */ 3034 for (n = 0; n < soft_event_info.pm_nevent; n++) { 3035 soft_event_table[n].pm_ev_name = 3036 soft_event_info.pm_events[n].pm_ev_name; 3037 soft_event_table[n].pm_ev_code = 3038 soft_event_info.pm_events[n].pm_ev_code; 3039 } 3040 soft_class_table_descr.pm_evc_event_table_size = \ 3041 soft_event_info.pm_nevent; 3042 soft_class_table_descr.pm_evc_event_table = \ 3043 soft_event_table; 3044 3045 /* 3046 * Fill in the class table. 3047 */ 3048 n = 0; 3049 3050 /* Fill soft events information. */ 3051 pmc_class_table[n++] = &soft_class_table_descr; 3052#if defined(__amd64__) || defined(__i386__) 3053 if (cpu_info.pm_cputype != PMC_CPU_GENERIC) 3054 pmc_class_table[n++] = &tsc_class_table_descr; 3055 3056 /* 3057 * Check if this CPU has fixed function counters. 3058 */ 3059 cpu_has_iaf_counters = 0; 3060 for (t = 0; t < cpu_info.pm_nclass; t++) 3061 if (cpu_info.pm_classes[t].pm_class == PMC_CLASS_IAF && 3062 cpu_info.pm_classes[t].pm_num > 0) 3063 cpu_has_iaf_counters = 1; 3064#endif 3065 3066#define PMC_MDEP_INIT(C) do { \ 3067 pmc_mdep_event_aliases = C##_aliases; \ 3068 pmc_mdep_class_list = C##_pmc_classes; \ 3069 pmc_mdep_class_list_size = \ 3070 PMC_TABLE_SIZE(C##_pmc_classes); \ 3071 } while (0) 3072 3073#define PMC_MDEP_INIT_INTEL_V2(C) do { \ 3074 PMC_MDEP_INIT(C); \ 3075 pmc_class_table[n++] = &iaf_class_table_descr; \ 3076 if (!cpu_has_iaf_counters) \ 3077 pmc_mdep_event_aliases = \ 3078 C##_aliases_without_iaf; \ 3079 pmc_class_table[n] = &C##_class_table_descr; \ 3080 } while (0) 3081 3082 /* Configure the event name parser. */ 3083 switch (cpu_info.pm_cputype) { 3084#if defined(__i386__) 3085 case PMC_CPU_AMD_K7: 3086 PMC_MDEP_INIT(k7); 3087 pmc_class_table[n] = &k7_class_table_descr; 3088 break; 3089 case PMC_CPU_INTEL_P5: 3090 PMC_MDEP_INIT(p5); 3091 pmc_class_table[n] = &p5_class_table_descr; 3092 break; 3093 case PMC_CPU_INTEL_P6: /* P6 ... Pentium M CPUs have */ 3094 case PMC_CPU_INTEL_PII: /* similar PMCs. */ 3095 case PMC_CPU_INTEL_PIII: 3096 case PMC_CPU_INTEL_PM: 3097 PMC_MDEP_INIT(p6); 3098 pmc_class_table[n] = &p6_class_table_descr; 3099 break; 3100#endif 3101#if defined(__amd64__) || defined(__i386__) 3102 case PMC_CPU_AMD_K8: 3103 PMC_MDEP_INIT(k8); 3104 pmc_class_table[n] = &k8_class_table_descr; 3105 break; 3106 case PMC_CPU_INTEL_ATOM: 3107 PMC_MDEP_INIT_INTEL_V2(atom); 3108 break; 3109 case PMC_CPU_INTEL_ATOM_SILVERMONT: 3110 PMC_MDEP_INIT_INTEL_V2(atom_silvermont); 3111 break; 3112 case PMC_CPU_INTEL_CORE: 3113 PMC_MDEP_INIT(core); 3114 pmc_class_table[n] = &core_class_table_descr; 3115 break; 3116 case PMC_CPU_INTEL_CORE2: 3117 case PMC_CPU_INTEL_CORE2EXTREME: 3118 PMC_MDEP_INIT_INTEL_V2(core2); 3119 break; 3120 case PMC_CPU_INTEL_COREI7: 3121 pmc_class_table[n++] = &ucf_class_table_descr; 3122 pmc_class_table[n++] = &corei7uc_class_table_descr; 3123 PMC_MDEP_INIT_INTEL_V2(corei7); 3124 break; 3125 case PMC_CPU_INTEL_NEHALEM_EX: 3126 PMC_MDEP_INIT_INTEL_V2(nehalem_ex); 3127 break; 3128 case PMC_CPU_INTEL_HASWELL: 3129 pmc_class_table[n++] = &ucf_class_table_descr; 3130 pmc_class_table[n++] = &haswelluc_class_table_descr; 3131 PMC_MDEP_INIT_INTEL_V2(haswell); 3132 break; 3133 case PMC_CPU_INTEL_HASWELL_XEON: 3134 PMC_MDEP_INIT_INTEL_V2(haswell_xeon); 3135 break; 3136 case PMC_CPU_INTEL_IVYBRIDGE: 3137 PMC_MDEP_INIT_INTEL_V2(ivybridge); 3138 break; 3139 case PMC_CPU_INTEL_IVYBRIDGE_XEON: 3140 PMC_MDEP_INIT_INTEL_V2(ivybridge_xeon); 3141 break; 3142 case PMC_CPU_INTEL_SANDYBRIDGE: 3143 pmc_class_table[n++] = &ucf_class_table_descr; 3144 pmc_class_table[n++] = &sandybridgeuc_class_table_descr; 3145 PMC_MDEP_INIT_INTEL_V2(sandybridge); 3146 break; 3147 case PMC_CPU_INTEL_SANDYBRIDGE_XEON: 3148 PMC_MDEP_INIT_INTEL_V2(sandybridge_xeon); 3149 break; 3150 case PMC_CPU_INTEL_WESTMERE: 3151 pmc_class_table[n++] = &ucf_class_table_descr; 3152 pmc_class_table[n++] = &westmereuc_class_table_descr; 3153 PMC_MDEP_INIT_INTEL_V2(westmere); 3154 break; 3155 case PMC_CPU_INTEL_WESTMERE_EX: 3156 PMC_MDEP_INIT_INTEL_V2(westmere_ex); 3157 break; 3158 case PMC_CPU_INTEL_PIV: 3159 PMC_MDEP_INIT(p4); 3160 pmc_class_table[n] = &p4_class_table_descr; 3161 break; 3162#endif 3163 case PMC_CPU_GENERIC: 3164 PMC_MDEP_INIT(generic); 3165 break; 3166#if defined(__XSCALE__) 3167 case PMC_CPU_INTEL_XSCALE: 3168 PMC_MDEP_INIT(xscale); 3169 pmc_class_table[n] = &xscale_class_table_descr; 3170 break; 3171#endif 3172#if defined(__mips__) 3173 case PMC_CPU_MIPS_24K: 3174 PMC_MDEP_INIT(mips24k); 3175 pmc_class_table[n] = &mips24k_class_table_descr; 3176 break; 3177 case PMC_CPU_MIPS_OCTEON: 3178 PMC_MDEP_INIT(octeon); 3179 pmc_class_table[n] = &octeon_class_table_descr; 3180 break; 3181#endif /* __mips__ */ 3182#if defined(__powerpc__) 3183 case PMC_CPU_PPC_7450: 3184 PMC_MDEP_INIT(ppc7450); 3185 pmc_class_table[n] = &ppc7450_class_table_descr; 3186 break; 3187 case PMC_CPU_PPC_970: 3188 PMC_MDEP_INIT(ppc970); 3189 pmc_class_table[n] = &ppc970_class_table_descr; 3190 break; 3191#endif 3192 default: 3193 /* 3194 * Some kind of CPU this version of the library knows nothing 3195 * about. This shouldn't happen since the abi version check 3196 * should have caught this. 3197 */ 3198 errno = ENXIO; 3199 return (pmc_syscall = -1); 3200 } 3201 3202 return (0); 3203} 3204 3205const char * 3206pmc_name_of_capability(enum pmc_caps cap) 3207{ 3208 int i; 3209 3210 /* 3211 * 'cap' should have a single bit set and should be in 3212 * range. 3213 */ 3214 if ((cap & (cap - 1)) || cap < PMC_CAP_FIRST || 3215 cap > PMC_CAP_LAST) { 3216 errno = EINVAL; 3217 return (NULL); 3218 } 3219 3220 i = ffs(cap); 3221 return (pmc_capability_names[i - 1]); 3222} 3223 3224const char * 3225pmc_name_of_class(enum pmc_class pc) 3226{ 3227 if ((int) pc >= PMC_CLASS_FIRST && 3228 pc <= PMC_CLASS_LAST) 3229 return (pmc_class_names[pc]); 3230 3231 errno = EINVAL; 3232 return (NULL); 3233} 3234 3235const char * 3236pmc_name_of_cputype(enum pmc_cputype cp) 3237{ 3238 size_t n; 3239 3240 for (n = 0; n < PMC_TABLE_SIZE(pmc_cputype_names); n++) 3241 if (cp == pmc_cputype_names[n].pm_cputype) 3242 return (pmc_cputype_names[n].pm_name); 3243 3244 errno = EINVAL; 3245 return (NULL); 3246} 3247 3248const char * 3249pmc_name_of_disposition(enum pmc_disp pd) 3250{ 3251 if ((int) pd >= PMC_DISP_FIRST && 3252 pd <= PMC_DISP_LAST) 3253 return (pmc_disposition_names[pd]); 3254 3255 errno = EINVAL; 3256 return (NULL); 3257} 3258 3259const char * 3260_pmc_name_of_event(enum pmc_event pe, enum pmc_cputype cpu) 3261{ 3262 const struct pmc_event_descr *ev, *evfence; 3263 3264 ev = evfence = NULL; 3265 if (pe >= PMC_EV_IAF_FIRST && pe <= PMC_EV_IAF_LAST) { 3266 ev = iaf_event_table; 3267 evfence = iaf_event_table + PMC_EVENT_TABLE_SIZE(iaf); 3268 } else if (pe >= PMC_EV_IAP_FIRST && pe <= PMC_EV_IAP_LAST) { 3269 switch (cpu) { 3270 case PMC_CPU_INTEL_ATOM: 3271 ev = atom_event_table; 3272 evfence = atom_event_table + PMC_EVENT_TABLE_SIZE(atom); 3273 break; 3274 case PMC_CPU_INTEL_ATOM_SILVERMONT: 3275 ev = atom_silvermont_event_table; 3276 evfence = atom_silvermont_event_table + 3277 PMC_EVENT_TABLE_SIZE(atom_silvermont); 3278 break; 3279 case PMC_CPU_INTEL_CORE: 3280 ev = core_event_table; 3281 evfence = core_event_table + PMC_EVENT_TABLE_SIZE(core); 3282 break; 3283 case PMC_CPU_INTEL_CORE2: 3284 case PMC_CPU_INTEL_CORE2EXTREME: 3285 ev = core2_event_table; 3286 evfence = core2_event_table + PMC_EVENT_TABLE_SIZE(core2); 3287 break; 3288 case PMC_CPU_INTEL_COREI7: 3289 ev = corei7_event_table; 3290 evfence = corei7_event_table + PMC_EVENT_TABLE_SIZE(corei7); 3291 break; 3292 case PMC_CPU_INTEL_NEHALEM_EX: 3293 ev = nehalem_ex_event_table; 3294 evfence = nehalem_ex_event_table + 3295 PMC_EVENT_TABLE_SIZE(nehalem_ex); 3296 break; 3297 case PMC_CPU_INTEL_HASWELL: 3298 ev = haswell_event_table; 3299 evfence = haswell_event_table + PMC_EVENT_TABLE_SIZE(haswell); 3300 break; 3301 case PMC_CPU_INTEL_HASWELL_XEON: 3302 ev = haswell_xeon_event_table; 3303 evfence = haswell_xeon_event_table + PMC_EVENT_TABLE_SIZE(haswell_xeon); 3304 break; 3305 3306 case PMC_CPU_INTEL_IVYBRIDGE: 3307 ev = ivybridge_event_table; 3308 evfence = ivybridge_event_table + PMC_EVENT_TABLE_SIZE(ivybridge); 3309 break; 3310 case PMC_CPU_INTEL_IVYBRIDGE_XEON: 3311 ev = ivybridge_xeon_event_table; 3312 evfence = ivybridge_xeon_event_table + PMC_EVENT_TABLE_SIZE(ivybridge_xeon); 3313 break; 3314 case PMC_CPU_INTEL_SANDYBRIDGE: 3315 ev = sandybridge_event_table; 3316 evfence = sandybridge_event_table + PMC_EVENT_TABLE_SIZE(sandybridge); 3317 break; 3318 case PMC_CPU_INTEL_SANDYBRIDGE_XEON: 3319 ev = sandybridge_xeon_event_table; 3320 evfence = sandybridge_xeon_event_table + PMC_EVENT_TABLE_SIZE(sandybridge_xeon); 3321 break; 3322 case PMC_CPU_INTEL_WESTMERE: 3323 ev = westmere_event_table; 3324 evfence = westmere_event_table + PMC_EVENT_TABLE_SIZE(westmere); 3325 break; 3326 case PMC_CPU_INTEL_WESTMERE_EX: 3327 ev = westmere_ex_event_table; 3328 evfence = westmere_ex_event_table + 3329 PMC_EVENT_TABLE_SIZE(westmere_ex); 3330 break; 3331 default: /* Unknown CPU type. */ 3332 break; 3333 } 3334 } else if (pe >= PMC_EV_UCF_FIRST && pe <= PMC_EV_UCF_LAST) { 3335 ev = ucf_event_table; 3336 evfence = ucf_event_table + PMC_EVENT_TABLE_SIZE(ucf); 3337 } else if (pe >= PMC_EV_UCP_FIRST && pe <= PMC_EV_UCP_LAST) { 3338 switch (cpu) { 3339 case PMC_CPU_INTEL_COREI7: 3340 ev = corei7uc_event_table; 3341 evfence = corei7uc_event_table + PMC_EVENT_TABLE_SIZE(corei7uc); 3342 break; 3343 case PMC_CPU_INTEL_SANDYBRIDGE: 3344 ev = sandybridgeuc_event_table; 3345 evfence = sandybridgeuc_event_table + PMC_EVENT_TABLE_SIZE(sandybridgeuc); 3346 break; 3347 case PMC_CPU_INTEL_WESTMERE: 3348 ev = westmereuc_event_table; 3349 evfence = westmereuc_event_table + PMC_EVENT_TABLE_SIZE(westmereuc); 3350 break; 3351 default: /* Unknown CPU type. */ 3352 break; 3353 } 3354 } else if (pe >= PMC_EV_K7_FIRST && pe <= PMC_EV_K7_LAST) { 3355 ev = k7_event_table; 3356 evfence = k7_event_table + PMC_EVENT_TABLE_SIZE(k7); 3357 } else if (pe >= PMC_EV_K8_FIRST && pe <= PMC_EV_K8_LAST) { 3358 ev = k8_event_table; 3359 evfence = k8_event_table + PMC_EVENT_TABLE_SIZE(k8); 3360 } else if (pe >= PMC_EV_P4_FIRST && pe <= PMC_EV_P4_LAST) { 3361 ev = p4_event_table; 3362 evfence = p4_event_table + PMC_EVENT_TABLE_SIZE(p4); 3363 } else if (pe >= PMC_EV_P5_FIRST && pe <= PMC_EV_P5_LAST) { 3364 ev = p5_event_table; 3365 evfence = p5_event_table + PMC_EVENT_TABLE_SIZE(p5); 3366 } else if (pe >= PMC_EV_P6_FIRST && pe <= PMC_EV_P6_LAST) { 3367 ev = p6_event_table; 3368 evfence = p6_event_table + PMC_EVENT_TABLE_SIZE(p6); 3369 } else if (pe >= PMC_EV_XSCALE_FIRST && pe <= PMC_EV_XSCALE_LAST) { 3370 ev = xscale_event_table; 3371 evfence = xscale_event_table + PMC_EVENT_TABLE_SIZE(xscale); 3372 } else if (pe >= PMC_EV_MIPS24K_FIRST && pe <= PMC_EV_MIPS24K_LAST) { 3373 ev = mips24k_event_table; 3374 evfence = mips24k_event_table + PMC_EVENT_TABLE_SIZE(mips24k); 3375 } else if (pe >= PMC_EV_OCTEON_FIRST && pe <= PMC_EV_OCTEON_LAST) { 3376 ev = octeon_event_table; 3377 evfence = octeon_event_table + PMC_EVENT_TABLE_SIZE(octeon); 3378 } else if (pe >= PMC_EV_PPC7450_FIRST && pe <= PMC_EV_PPC7450_LAST) { 3379 ev = ppc7450_event_table; 3380 evfence = ppc7450_event_table + PMC_EVENT_TABLE_SIZE(ppc7450); 3381 } else if (pe >= PMC_EV_PPC970_FIRST && pe <= PMC_EV_PPC970_LAST) { 3382 ev = ppc970_event_table; 3383 evfence = ppc970_event_table + PMC_EVENT_TABLE_SIZE(ppc970); 3384 } else if (pe == PMC_EV_TSC_TSC) { 3385 ev = tsc_event_table; 3386 evfence = tsc_event_table + PMC_EVENT_TABLE_SIZE(tsc); 3387 } else if ((int)pe >= PMC_EV_SOFT_FIRST && (int)pe <= PMC_EV_SOFT_LAST) { 3388 ev = soft_event_table; 3389 evfence = soft_event_table + soft_event_info.pm_nevent; 3390 } 3391 3392 for (; ev != evfence; ev++) 3393 if (pe == ev->pm_ev_code) 3394 return (ev->pm_ev_name); 3395 3396 return (NULL); 3397} 3398 3399const char * 3400pmc_name_of_event(enum pmc_event pe) 3401{ 3402 const char *n; 3403 3404 if ((n = _pmc_name_of_event(pe, cpu_info.pm_cputype)) != NULL) 3405 return (n); 3406 3407 errno = EINVAL; 3408 return (NULL); 3409} 3410 3411const char * 3412pmc_name_of_mode(enum pmc_mode pm) 3413{ 3414 if ((int) pm >= PMC_MODE_FIRST && 3415 pm <= PMC_MODE_LAST) 3416 return (pmc_mode_names[pm]); 3417 3418 errno = EINVAL; 3419 return (NULL); 3420} 3421 3422const char * 3423pmc_name_of_state(enum pmc_state ps) 3424{ 3425 if ((int) ps >= PMC_STATE_FIRST && 3426 ps <= PMC_STATE_LAST) 3427 return (pmc_state_names[ps]); 3428 3429 errno = EINVAL; 3430 return (NULL); 3431} 3432 3433int 3434pmc_ncpu(void) 3435{ 3436 if (pmc_syscall == -1) { 3437 errno = ENXIO; 3438 return (-1); 3439 } 3440 3441 return (cpu_info.pm_ncpu); 3442} 3443 3444int 3445pmc_npmc(int cpu) 3446{ 3447 if (pmc_syscall == -1) { 3448 errno = ENXIO; 3449 return (-1); 3450 } 3451 3452 if (cpu < 0 || cpu >= (int) cpu_info.pm_ncpu) { 3453 errno = EINVAL; 3454 return (-1); 3455 } 3456 3457 return (cpu_info.pm_npmc); 3458} 3459 3460int 3461pmc_pmcinfo(int cpu, struct pmc_pmcinfo **ppmci) 3462{ 3463 int nbytes, npmc; 3464 struct pmc_op_getpmcinfo *pmci; 3465 3466 if ((npmc = pmc_npmc(cpu)) < 0) 3467 return (-1); 3468 3469 nbytes = sizeof(struct pmc_op_getpmcinfo) + 3470 npmc * sizeof(struct pmc_info); 3471 3472 if ((pmci = calloc(1, nbytes)) == NULL) 3473 return (-1); 3474 3475 pmci->pm_cpu = cpu; 3476 3477 if (PMC_CALL(GETPMCINFO, pmci) < 0) { 3478 free(pmci); 3479 return (-1); 3480 } 3481 3482 /* kernel<->library, library<->userland interfaces are identical */ 3483 *ppmci = (struct pmc_pmcinfo *) pmci; 3484 return (0); 3485} 3486 3487int 3488pmc_read(pmc_id_t pmc, pmc_value_t *value) 3489{ 3490 struct pmc_op_pmcrw pmc_read_op; 3491 3492 pmc_read_op.pm_pmcid = pmc; 3493 pmc_read_op.pm_flags = PMC_F_OLDVALUE; 3494 pmc_read_op.pm_value = -1; 3495 3496 if (PMC_CALL(PMCRW, &pmc_read_op) < 0) 3497 return (-1); 3498 3499 *value = pmc_read_op.pm_value; 3500 return (0); 3501} 3502 3503int 3504pmc_release(pmc_id_t pmc) 3505{ 3506 struct pmc_op_simple pmc_release_args; 3507 3508 pmc_release_args.pm_pmcid = pmc; 3509 return (PMC_CALL(PMCRELEASE, &pmc_release_args)); 3510} 3511 3512int 3513pmc_rw(pmc_id_t pmc, pmc_value_t newvalue, pmc_value_t *oldvaluep) 3514{ 3515 struct pmc_op_pmcrw pmc_rw_op; 3516 3517 pmc_rw_op.pm_pmcid = pmc; 3518 pmc_rw_op.pm_flags = PMC_F_NEWVALUE | PMC_F_OLDVALUE; 3519 pmc_rw_op.pm_value = newvalue; 3520 3521 if (PMC_CALL(PMCRW, &pmc_rw_op) < 0) 3522 return (-1); 3523 3524 *oldvaluep = pmc_rw_op.pm_value; 3525 return (0); 3526} 3527 3528int 3529pmc_set(pmc_id_t pmc, pmc_value_t value) 3530{ 3531 struct pmc_op_pmcsetcount sc; 3532 3533 sc.pm_pmcid = pmc; 3534 sc.pm_count = value; 3535 3536 if (PMC_CALL(PMCSETCOUNT, &sc) < 0) 3537 return (-1); 3538 return (0); 3539} 3540 3541int 3542pmc_start(pmc_id_t pmc) 3543{ 3544 struct pmc_op_simple pmc_start_args; 3545 3546 pmc_start_args.pm_pmcid = pmc; 3547 return (PMC_CALL(PMCSTART, &pmc_start_args)); 3548} 3549 3550int 3551pmc_stop(pmc_id_t pmc) 3552{ 3553 struct pmc_op_simple pmc_stop_args; 3554 3555 pmc_stop_args.pm_pmcid = pmc; 3556 return (PMC_CALL(PMCSTOP, &pmc_stop_args)); 3557} 3558 3559int 3560pmc_width(pmc_id_t pmcid, uint32_t *width) 3561{ 3562 unsigned int i; 3563 enum pmc_class cl; 3564 3565 cl = PMC_ID_TO_CLASS(pmcid); 3566 for (i = 0; i < cpu_info.pm_nclass; i++) 3567 if (cpu_info.pm_classes[i].pm_class == cl) { 3568 *width = cpu_info.pm_classes[i].pm_width; 3569 return (0); 3570 } 3571 errno = EINVAL; 3572 return (-1); 3573} 3574 3575int 3576pmc_write(pmc_id_t pmc, pmc_value_t value) 3577{ 3578 struct pmc_op_pmcrw pmc_write_op; 3579 3580 pmc_write_op.pm_pmcid = pmc; 3581 pmc_write_op.pm_flags = PMC_F_NEWVALUE; 3582 pmc_write_op.pm_value = value; 3583 return (PMC_CALL(PMCRW, &pmc_write_op)); 3584} 3585 3586int 3587pmc_writelog(uint32_t userdata) 3588{ 3589 struct pmc_op_writelog wl; 3590 3591 wl.pm_userdata = userdata; 3592 return (PMC_CALL(WRITELOG, &wl)); 3593} 3594