ctl.c revision 245868
1234370Sjasone#define JEMALLOC_CTL_C_ 2234370Sjasone#include "jemalloc/internal/jemalloc_internal.h" 3234370Sjasone 4234370Sjasone/******************************************************************************/ 5234370Sjasone/* Data. */ 6234370Sjasone 7234370Sjasone/* 8234370Sjasone * ctl_mtx protects the following: 9234370Sjasone * - ctl_stats.* 10234370Sjasone * - opt_prof_active 11234370Sjasone */ 12234370Sjasonestatic malloc_mutex_t ctl_mtx; 13234370Sjasonestatic bool ctl_initialized; 14234370Sjasonestatic uint64_t ctl_epoch; 15234370Sjasonestatic ctl_stats_t ctl_stats; 16234370Sjasone 17234370Sjasone/******************************************************************************/ 18235238Sjasone/* Helpers for named and indexed nodes. */ 19235238Sjasone 20235238Sjasonestatic inline const ctl_named_node_t * 21235238Sjasonectl_named_node(const ctl_node_t *node) 22235238Sjasone{ 23235238Sjasone 24235238Sjasone return ((node->named) ? (const ctl_named_node_t *)node : NULL); 25235238Sjasone} 26235238Sjasone 27235238Sjasonestatic inline const ctl_named_node_t * 28235238Sjasonectl_named_children(const ctl_named_node_t *node, int index) 29235238Sjasone{ 30235238Sjasone const ctl_named_node_t *children = ctl_named_node(node->children); 31235238Sjasone 32235238Sjasone return (children ? &children[index] : NULL); 33235238Sjasone} 34235238Sjasone 35235238Sjasonestatic inline const ctl_indexed_node_t * 36235238Sjasonectl_indexed_node(const ctl_node_t *node) 37235238Sjasone{ 38235238Sjasone 39235238Sjasone return ((node->named == false) ? (const ctl_indexed_node_t *)node : 40235238Sjasone NULL); 41235238Sjasone} 42235238Sjasone 43235238Sjasone/******************************************************************************/ 44234370Sjasone/* Function prototypes for non-inline static functions. */ 45234370Sjasone 46234370Sjasone#define CTL_PROTO(n) \ 47234370Sjasonestatic int n##_ctl(const size_t *mib, size_t miblen, void *oldp, \ 48234370Sjasone size_t *oldlenp, void *newp, size_t newlen); 49234370Sjasone 50234370Sjasone#define INDEX_PROTO(n) \ 51242844Sjasonestatic const ctl_named_node_t *n##_index(const size_t *mib, \ 52242844Sjasone size_t miblen, size_t i); 53234370Sjasone 54234370Sjasonestatic bool ctl_arena_init(ctl_arena_stats_t *astats); 55234370Sjasonestatic void ctl_arena_clear(ctl_arena_stats_t *astats); 56234370Sjasonestatic void ctl_arena_stats_amerge(ctl_arena_stats_t *cstats, 57234370Sjasone arena_t *arena); 58234370Sjasonestatic void ctl_arena_stats_smerge(ctl_arena_stats_t *sstats, 59234370Sjasone ctl_arena_stats_t *astats); 60234370Sjasonestatic void ctl_arena_refresh(arena_t *arena, unsigned i); 61242844Sjasonestatic bool ctl_grow(void); 62234370Sjasonestatic void ctl_refresh(void); 63234370Sjasonestatic bool ctl_init(void); 64234370Sjasonestatic int ctl_lookup(const char *name, ctl_node_t const **nodesp, 65234370Sjasone size_t *mibp, size_t *depthp); 66234370Sjasone 67234370SjasoneCTL_PROTO(version) 68234370SjasoneCTL_PROTO(epoch) 69234370SjasoneCTL_PROTO(thread_tcache_enabled) 70234370SjasoneCTL_PROTO(thread_tcache_flush) 71234370SjasoneCTL_PROTO(thread_arena) 72234370SjasoneCTL_PROTO(thread_allocated) 73234370SjasoneCTL_PROTO(thread_allocatedp) 74234370SjasoneCTL_PROTO(thread_deallocated) 75234370SjasoneCTL_PROTO(thread_deallocatedp) 76234370SjasoneCTL_PROTO(config_debug) 77234370SjasoneCTL_PROTO(config_dss) 78234370SjasoneCTL_PROTO(config_fill) 79234370SjasoneCTL_PROTO(config_lazy_lock) 80235238SjasoneCTL_PROTO(config_mremap) 81234370SjasoneCTL_PROTO(config_munmap) 82234370SjasoneCTL_PROTO(config_prof) 83234370SjasoneCTL_PROTO(config_prof_libgcc) 84234370SjasoneCTL_PROTO(config_prof_libunwind) 85234370SjasoneCTL_PROTO(config_stats) 86234370SjasoneCTL_PROTO(config_tcache) 87234370SjasoneCTL_PROTO(config_tls) 88234370SjasoneCTL_PROTO(config_utrace) 89234370SjasoneCTL_PROTO(config_valgrind) 90234370SjasoneCTL_PROTO(config_xmalloc) 91234370SjasoneCTL_PROTO(opt_abort) 92242844SjasoneCTL_PROTO(opt_dss) 93234370SjasoneCTL_PROTO(opt_lg_chunk) 94234370SjasoneCTL_PROTO(opt_narenas) 95234370SjasoneCTL_PROTO(opt_lg_dirty_mult) 96234370SjasoneCTL_PROTO(opt_stats_print) 97234370SjasoneCTL_PROTO(opt_junk) 98234370SjasoneCTL_PROTO(opt_zero) 99234370SjasoneCTL_PROTO(opt_quarantine) 100234370SjasoneCTL_PROTO(opt_redzone) 101234370SjasoneCTL_PROTO(opt_utrace) 102234370SjasoneCTL_PROTO(opt_valgrind) 103234370SjasoneCTL_PROTO(opt_xmalloc) 104234370SjasoneCTL_PROTO(opt_tcache) 105234370SjasoneCTL_PROTO(opt_lg_tcache_max) 106234370SjasoneCTL_PROTO(opt_prof) 107234370SjasoneCTL_PROTO(opt_prof_prefix) 108234370SjasoneCTL_PROTO(opt_prof_active) 109234370SjasoneCTL_PROTO(opt_lg_prof_sample) 110234370SjasoneCTL_PROTO(opt_lg_prof_interval) 111234370SjasoneCTL_PROTO(opt_prof_gdump) 112234543SjasoneCTL_PROTO(opt_prof_final) 113234370SjasoneCTL_PROTO(opt_prof_leak) 114234370SjasoneCTL_PROTO(opt_prof_accum) 115242844SjasoneCTL_PROTO(arena_i_purge) 116242844Sjasonestatic void arena_purge(unsigned arena_ind); 117242844SjasoneCTL_PROTO(arena_i_dss) 118242844SjasoneINDEX_PROTO(arena_i) 119234370SjasoneCTL_PROTO(arenas_bin_i_size) 120234370SjasoneCTL_PROTO(arenas_bin_i_nregs) 121234370SjasoneCTL_PROTO(arenas_bin_i_run_size) 122234370SjasoneINDEX_PROTO(arenas_bin_i) 123234370SjasoneCTL_PROTO(arenas_lrun_i_size) 124234370SjasoneINDEX_PROTO(arenas_lrun_i) 125234370SjasoneCTL_PROTO(arenas_narenas) 126234370SjasoneCTL_PROTO(arenas_initialized) 127234370SjasoneCTL_PROTO(arenas_quantum) 128234370SjasoneCTL_PROTO(arenas_page) 129234370SjasoneCTL_PROTO(arenas_tcache_max) 130234370SjasoneCTL_PROTO(arenas_nbins) 131234370SjasoneCTL_PROTO(arenas_nhbins) 132234370SjasoneCTL_PROTO(arenas_nlruns) 133234370SjasoneCTL_PROTO(arenas_purge) 134242844SjasoneCTL_PROTO(arenas_extend) 135234370SjasoneCTL_PROTO(prof_active) 136234370SjasoneCTL_PROTO(prof_dump) 137234370SjasoneCTL_PROTO(prof_interval) 138234370SjasoneCTL_PROTO(stats_chunks_current) 139234370SjasoneCTL_PROTO(stats_chunks_total) 140234370SjasoneCTL_PROTO(stats_chunks_high) 141234370SjasoneCTL_PROTO(stats_huge_allocated) 142234370SjasoneCTL_PROTO(stats_huge_nmalloc) 143234370SjasoneCTL_PROTO(stats_huge_ndalloc) 144234370SjasoneCTL_PROTO(stats_arenas_i_small_allocated) 145234370SjasoneCTL_PROTO(stats_arenas_i_small_nmalloc) 146234370SjasoneCTL_PROTO(stats_arenas_i_small_ndalloc) 147234370SjasoneCTL_PROTO(stats_arenas_i_small_nrequests) 148234370SjasoneCTL_PROTO(stats_arenas_i_large_allocated) 149234370SjasoneCTL_PROTO(stats_arenas_i_large_nmalloc) 150234370SjasoneCTL_PROTO(stats_arenas_i_large_ndalloc) 151234370SjasoneCTL_PROTO(stats_arenas_i_large_nrequests) 152234370SjasoneCTL_PROTO(stats_arenas_i_bins_j_allocated) 153234370SjasoneCTL_PROTO(stats_arenas_i_bins_j_nmalloc) 154234370SjasoneCTL_PROTO(stats_arenas_i_bins_j_ndalloc) 155234370SjasoneCTL_PROTO(stats_arenas_i_bins_j_nrequests) 156234370SjasoneCTL_PROTO(stats_arenas_i_bins_j_nfills) 157234370SjasoneCTL_PROTO(stats_arenas_i_bins_j_nflushes) 158234370SjasoneCTL_PROTO(stats_arenas_i_bins_j_nruns) 159234370SjasoneCTL_PROTO(stats_arenas_i_bins_j_nreruns) 160234370SjasoneCTL_PROTO(stats_arenas_i_bins_j_curruns) 161234370SjasoneINDEX_PROTO(stats_arenas_i_bins_j) 162234370SjasoneCTL_PROTO(stats_arenas_i_lruns_j_nmalloc) 163234370SjasoneCTL_PROTO(stats_arenas_i_lruns_j_ndalloc) 164234370SjasoneCTL_PROTO(stats_arenas_i_lruns_j_nrequests) 165234370SjasoneCTL_PROTO(stats_arenas_i_lruns_j_curruns) 166234370SjasoneINDEX_PROTO(stats_arenas_i_lruns_j) 167234370SjasoneCTL_PROTO(stats_arenas_i_nthreads) 168242844SjasoneCTL_PROTO(stats_arenas_i_dss) 169234370SjasoneCTL_PROTO(stats_arenas_i_pactive) 170234370SjasoneCTL_PROTO(stats_arenas_i_pdirty) 171234370SjasoneCTL_PROTO(stats_arenas_i_mapped) 172234370SjasoneCTL_PROTO(stats_arenas_i_npurge) 173234370SjasoneCTL_PROTO(stats_arenas_i_nmadvise) 174234370SjasoneCTL_PROTO(stats_arenas_i_purged) 175234370SjasoneINDEX_PROTO(stats_arenas_i) 176234370SjasoneCTL_PROTO(stats_cactive) 177234370SjasoneCTL_PROTO(stats_allocated) 178234370SjasoneCTL_PROTO(stats_active) 179234370SjasoneCTL_PROTO(stats_mapped) 180234370Sjasone 181234370Sjasone/******************************************************************************/ 182234370Sjasone/* mallctl tree. */ 183234370Sjasone 184234370Sjasone/* Maximum tree depth. */ 185234370Sjasone#define CTL_MAX_DEPTH 6 186234370Sjasone 187235238Sjasone#define NAME(n) {true}, n 188235238Sjasone#define CHILD(t, c) \ 189235238Sjasone sizeof(c##_node) / sizeof(ctl_##t##_node_t), \ 190235238Sjasone (ctl_node_t *)c##_node, \ 191235238Sjasone NULL 192235238Sjasone#define CTL(c) 0, NULL, c##_ctl 193234370Sjasone 194234370Sjasone/* 195234370Sjasone * Only handles internal indexed nodes, since there are currently no external 196234370Sjasone * ones. 197234370Sjasone */ 198235238Sjasone#define INDEX(i) {false}, i##_index 199234370Sjasone 200235238Sjasonestatic const ctl_named_node_t tcache_node[] = { 201234370Sjasone {NAME("enabled"), CTL(thread_tcache_enabled)}, 202234370Sjasone {NAME("flush"), CTL(thread_tcache_flush)} 203234370Sjasone}; 204234370Sjasone 205235238Sjasonestatic const ctl_named_node_t thread_node[] = { 206234370Sjasone {NAME("arena"), CTL(thread_arena)}, 207234370Sjasone {NAME("allocated"), CTL(thread_allocated)}, 208234370Sjasone {NAME("allocatedp"), CTL(thread_allocatedp)}, 209234370Sjasone {NAME("deallocated"), CTL(thread_deallocated)}, 210234370Sjasone {NAME("deallocatedp"), CTL(thread_deallocatedp)}, 211235238Sjasone {NAME("tcache"), CHILD(named, tcache)} 212234370Sjasone}; 213234370Sjasone 214235238Sjasonestatic const ctl_named_node_t config_node[] = { 215234370Sjasone {NAME("debug"), CTL(config_debug)}, 216234370Sjasone {NAME("dss"), CTL(config_dss)}, 217234370Sjasone {NAME("fill"), CTL(config_fill)}, 218234370Sjasone {NAME("lazy_lock"), CTL(config_lazy_lock)}, 219235238Sjasone {NAME("mremap"), CTL(config_mremap)}, 220234370Sjasone {NAME("munmap"), CTL(config_munmap)}, 221234370Sjasone {NAME("prof"), CTL(config_prof)}, 222234370Sjasone {NAME("prof_libgcc"), CTL(config_prof_libgcc)}, 223234370Sjasone {NAME("prof_libunwind"), CTL(config_prof_libunwind)}, 224234370Sjasone {NAME("stats"), CTL(config_stats)}, 225234370Sjasone {NAME("tcache"), CTL(config_tcache)}, 226234370Sjasone {NAME("tls"), CTL(config_tls)}, 227234370Sjasone {NAME("utrace"), CTL(config_utrace)}, 228234370Sjasone {NAME("valgrind"), CTL(config_valgrind)}, 229234370Sjasone {NAME("xmalloc"), CTL(config_xmalloc)} 230234370Sjasone}; 231234370Sjasone 232235238Sjasonestatic const ctl_named_node_t opt_node[] = { 233234370Sjasone {NAME("abort"), CTL(opt_abort)}, 234242844Sjasone {NAME("dss"), CTL(opt_dss)}, 235234370Sjasone {NAME("lg_chunk"), CTL(opt_lg_chunk)}, 236234370Sjasone {NAME("narenas"), CTL(opt_narenas)}, 237234370Sjasone {NAME("lg_dirty_mult"), CTL(opt_lg_dirty_mult)}, 238234370Sjasone {NAME("stats_print"), CTL(opt_stats_print)}, 239234370Sjasone {NAME("junk"), CTL(opt_junk)}, 240234370Sjasone {NAME("zero"), CTL(opt_zero)}, 241234370Sjasone {NAME("quarantine"), CTL(opt_quarantine)}, 242234370Sjasone {NAME("redzone"), CTL(opt_redzone)}, 243234370Sjasone {NAME("utrace"), CTL(opt_utrace)}, 244234370Sjasone {NAME("valgrind"), CTL(opt_valgrind)}, 245234370Sjasone {NAME("xmalloc"), CTL(opt_xmalloc)}, 246234370Sjasone {NAME("tcache"), CTL(opt_tcache)}, 247234370Sjasone {NAME("lg_tcache_max"), CTL(opt_lg_tcache_max)}, 248234370Sjasone {NAME("prof"), CTL(opt_prof)}, 249234370Sjasone {NAME("prof_prefix"), CTL(opt_prof_prefix)}, 250234370Sjasone {NAME("prof_active"), CTL(opt_prof_active)}, 251234370Sjasone {NAME("lg_prof_sample"), CTL(opt_lg_prof_sample)}, 252234370Sjasone {NAME("lg_prof_interval"), CTL(opt_lg_prof_interval)}, 253234370Sjasone {NAME("prof_gdump"), CTL(opt_prof_gdump)}, 254234543Sjasone {NAME("prof_final"), CTL(opt_prof_final)}, 255234370Sjasone {NAME("prof_leak"), CTL(opt_prof_leak)}, 256234370Sjasone {NAME("prof_accum"), CTL(opt_prof_accum)} 257234370Sjasone}; 258234370Sjasone 259242844Sjasonestatic const ctl_named_node_t arena_i_node[] = { 260242844Sjasone {NAME("purge"), CTL(arena_i_purge)}, 261242844Sjasone {NAME("dss"), CTL(arena_i_dss)} 262242844Sjasone}; 263242844Sjasonestatic const ctl_named_node_t super_arena_i_node[] = { 264242844Sjasone {NAME(""), CHILD(named, arena_i)} 265242844Sjasone}; 266242844Sjasone 267242844Sjasonestatic const ctl_indexed_node_t arena_node[] = { 268242844Sjasone {INDEX(arena_i)} 269242844Sjasone}; 270242844Sjasone 271235238Sjasonestatic const ctl_named_node_t arenas_bin_i_node[] = { 272234370Sjasone {NAME("size"), CTL(arenas_bin_i_size)}, 273234370Sjasone {NAME("nregs"), CTL(arenas_bin_i_nregs)}, 274234370Sjasone {NAME("run_size"), CTL(arenas_bin_i_run_size)} 275234370Sjasone}; 276235238Sjasonestatic const ctl_named_node_t super_arenas_bin_i_node[] = { 277235238Sjasone {NAME(""), CHILD(named, arenas_bin_i)} 278234370Sjasone}; 279234370Sjasone 280235238Sjasonestatic const ctl_indexed_node_t arenas_bin_node[] = { 281234370Sjasone {INDEX(arenas_bin_i)} 282234370Sjasone}; 283234370Sjasone 284235238Sjasonestatic const ctl_named_node_t arenas_lrun_i_node[] = { 285234370Sjasone {NAME("size"), CTL(arenas_lrun_i_size)} 286234370Sjasone}; 287235238Sjasonestatic const ctl_named_node_t super_arenas_lrun_i_node[] = { 288235238Sjasone {NAME(""), CHILD(named, arenas_lrun_i)} 289234370Sjasone}; 290234370Sjasone 291235238Sjasonestatic const ctl_indexed_node_t arenas_lrun_node[] = { 292234370Sjasone {INDEX(arenas_lrun_i)} 293234370Sjasone}; 294234370Sjasone 295235238Sjasonestatic const ctl_named_node_t arenas_node[] = { 296234370Sjasone {NAME("narenas"), CTL(arenas_narenas)}, 297234370Sjasone {NAME("initialized"), CTL(arenas_initialized)}, 298234370Sjasone {NAME("quantum"), CTL(arenas_quantum)}, 299234370Sjasone {NAME("page"), CTL(arenas_page)}, 300234370Sjasone {NAME("tcache_max"), CTL(arenas_tcache_max)}, 301234370Sjasone {NAME("nbins"), CTL(arenas_nbins)}, 302234370Sjasone {NAME("nhbins"), CTL(arenas_nhbins)}, 303235238Sjasone {NAME("bin"), CHILD(indexed, arenas_bin)}, 304234370Sjasone {NAME("nlruns"), CTL(arenas_nlruns)}, 305235238Sjasone {NAME("lrun"), CHILD(indexed, arenas_lrun)}, 306242844Sjasone {NAME("purge"), CTL(arenas_purge)}, 307242844Sjasone {NAME("extend"), CTL(arenas_extend)} 308234370Sjasone}; 309234370Sjasone 310235238Sjasonestatic const ctl_named_node_t prof_node[] = { 311234370Sjasone {NAME("active"), CTL(prof_active)}, 312234370Sjasone {NAME("dump"), CTL(prof_dump)}, 313234370Sjasone {NAME("interval"), CTL(prof_interval)} 314234370Sjasone}; 315234370Sjasone 316235238Sjasonestatic const ctl_named_node_t stats_chunks_node[] = { 317234370Sjasone {NAME("current"), CTL(stats_chunks_current)}, 318234370Sjasone {NAME("total"), CTL(stats_chunks_total)}, 319234370Sjasone {NAME("high"), CTL(stats_chunks_high)} 320234370Sjasone}; 321234370Sjasone 322235238Sjasonestatic const ctl_named_node_t stats_huge_node[] = { 323234370Sjasone {NAME("allocated"), CTL(stats_huge_allocated)}, 324234370Sjasone {NAME("nmalloc"), CTL(stats_huge_nmalloc)}, 325234370Sjasone {NAME("ndalloc"), CTL(stats_huge_ndalloc)} 326234370Sjasone}; 327234370Sjasone 328235238Sjasonestatic const ctl_named_node_t stats_arenas_i_small_node[] = { 329234370Sjasone {NAME("allocated"), CTL(stats_arenas_i_small_allocated)}, 330234370Sjasone {NAME("nmalloc"), CTL(stats_arenas_i_small_nmalloc)}, 331234370Sjasone {NAME("ndalloc"), CTL(stats_arenas_i_small_ndalloc)}, 332234370Sjasone {NAME("nrequests"), CTL(stats_arenas_i_small_nrequests)} 333234370Sjasone}; 334234370Sjasone 335235238Sjasonestatic const ctl_named_node_t stats_arenas_i_large_node[] = { 336234370Sjasone {NAME("allocated"), CTL(stats_arenas_i_large_allocated)}, 337234370Sjasone {NAME("nmalloc"), CTL(stats_arenas_i_large_nmalloc)}, 338234370Sjasone {NAME("ndalloc"), CTL(stats_arenas_i_large_ndalloc)}, 339234370Sjasone {NAME("nrequests"), CTL(stats_arenas_i_large_nrequests)} 340234370Sjasone}; 341234370Sjasone 342235238Sjasonestatic const ctl_named_node_t stats_arenas_i_bins_j_node[] = { 343234370Sjasone {NAME("allocated"), CTL(stats_arenas_i_bins_j_allocated)}, 344234370Sjasone {NAME("nmalloc"), CTL(stats_arenas_i_bins_j_nmalloc)}, 345234370Sjasone {NAME("ndalloc"), CTL(stats_arenas_i_bins_j_ndalloc)}, 346234370Sjasone {NAME("nrequests"), CTL(stats_arenas_i_bins_j_nrequests)}, 347234370Sjasone {NAME("nfills"), CTL(stats_arenas_i_bins_j_nfills)}, 348234370Sjasone {NAME("nflushes"), CTL(stats_arenas_i_bins_j_nflushes)}, 349234370Sjasone {NAME("nruns"), CTL(stats_arenas_i_bins_j_nruns)}, 350234370Sjasone {NAME("nreruns"), CTL(stats_arenas_i_bins_j_nreruns)}, 351234370Sjasone {NAME("curruns"), CTL(stats_arenas_i_bins_j_curruns)} 352234370Sjasone}; 353235238Sjasonestatic const ctl_named_node_t super_stats_arenas_i_bins_j_node[] = { 354235238Sjasone {NAME(""), CHILD(named, stats_arenas_i_bins_j)} 355234370Sjasone}; 356234370Sjasone 357235238Sjasonestatic const ctl_indexed_node_t stats_arenas_i_bins_node[] = { 358234370Sjasone {INDEX(stats_arenas_i_bins_j)} 359234370Sjasone}; 360234370Sjasone 361235238Sjasonestatic const ctl_named_node_t stats_arenas_i_lruns_j_node[] = { 362234370Sjasone {NAME("nmalloc"), CTL(stats_arenas_i_lruns_j_nmalloc)}, 363234370Sjasone {NAME("ndalloc"), CTL(stats_arenas_i_lruns_j_ndalloc)}, 364234370Sjasone {NAME("nrequests"), CTL(stats_arenas_i_lruns_j_nrequests)}, 365234370Sjasone {NAME("curruns"), CTL(stats_arenas_i_lruns_j_curruns)} 366234370Sjasone}; 367235238Sjasonestatic const ctl_named_node_t super_stats_arenas_i_lruns_j_node[] = { 368235238Sjasone {NAME(""), CHILD(named, stats_arenas_i_lruns_j)} 369234370Sjasone}; 370234370Sjasone 371235238Sjasonestatic const ctl_indexed_node_t stats_arenas_i_lruns_node[] = { 372234370Sjasone {INDEX(stats_arenas_i_lruns_j)} 373234370Sjasone}; 374234370Sjasone 375235238Sjasonestatic const ctl_named_node_t stats_arenas_i_node[] = { 376234370Sjasone {NAME("nthreads"), CTL(stats_arenas_i_nthreads)}, 377242844Sjasone {NAME("dss"), CTL(stats_arenas_i_dss)}, 378234370Sjasone {NAME("pactive"), CTL(stats_arenas_i_pactive)}, 379234370Sjasone {NAME("pdirty"), CTL(stats_arenas_i_pdirty)}, 380234370Sjasone {NAME("mapped"), CTL(stats_arenas_i_mapped)}, 381234370Sjasone {NAME("npurge"), CTL(stats_arenas_i_npurge)}, 382234370Sjasone {NAME("nmadvise"), CTL(stats_arenas_i_nmadvise)}, 383234370Sjasone {NAME("purged"), CTL(stats_arenas_i_purged)}, 384235238Sjasone {NAME("small"), CHILD(named, stats_arenas_i_small)}, 385235238Sjasone {NAME("large"), CHILD(named, stats_arenas_i_large)}, 386235238Sjasone {NAME("bins"), CHILD(indexed, stats_arenas_i_bins)}, 387235238Sjasone {NAME("lruns"), CHILD(indexed, stats_arenas_i_lruns)} 388234370Sjasone}; 389235238Sjasonestatic const ctl_named_node_t super_stats_arenas_i_node[] = { 390235238Sjasone {NAME(""), CHILD(named, stats_arenas_i)} 391234370Sjasone}; 392234370Sjasone 393235238Sjasonestatic const ctl_indexed_node_t stats_arenas_node[] = { 394234370Sjasone {INDEX(stats_arenas_i)} 395234370Sjasone}; 396234370Sjasone 397235238Sjasonestatic const ctl_named_node_t stats_node[] = { 398234370Sjasone {NAME("cactive"), CTL(stats_cactive)}, 399234370Sjasone {NAME("allocated"), CTL(stats_allocated)}, 400234370Sjasone {NAME("active"), CTL(stats_active)}, 401234370Sjasone {NAME("mapped"), CTL(stats_mapped)}, 402235238Sjasone {NAME("chunks"), CHILD(named, stats_chunks)}, 403235238Sjasone {NAME("huge"), CHILD(named, stats_huge)}, 404235238Sjasone {NAME("arenas"), CHILD(indexed, stats_arenas)} 405234370Sjasone}; 406234370Sjasone 407235238Sjasonestatic const ctl_named_node_t root_node[] = { 408234370Sjasone {NAME("version"), CTL(version)}, 409234370Sjasone {NAME("epoch"), CTL(epoch)}, 410235238Sjasone {NAME("thread"), CHILD(named, thread)}, 411235238Sjasone {NAME("config"), CHILD(named, config)}, 412235238Sjasone {NAME("opt"), CHILD(named, opt)}, 413242844Sjasone {NAME("arena"), CHILD(indexed, arena)}, 414235238Sjasone {NAME("arenas"), CHILD(named, arenas)}, 415235238Sjasone {NAME("prof"), CHILD(named, prof)}, 416235238Sjasone {NAME("stats"), CHILD(named, stats)} 417234370Sjasone}; 418235238Sjasonestatic const ctl_named_node_t super_root_node[] = { 419235238Sjasone {NAME(""), CHILD(named, root)} 420234370Sjasone}; 421234370Sjasone 422234370Sjasone#undef NAME 423234370Sjasone#undef CHILD 424234370Sjasone#undef CTL 425234370Sjasone#undef INDEX 426234370Sjasone 427234370Sjasone/******************************************************************************/ 428234370Sjasone 429234370Sjasonestatic bool 430234370Sjasonectl_arena_init(ctl_arena_stats_t *astats) 431234370Sjasone{ 432234370Sjasone 433234370Sjasone if (astats->lstats == NULL) { 434234370Sjasone astats->lstats = (malloc_large_stats_t *)base_alloc(nlclasses * 435234370Sjasone sizeof(malloc_large_stats_t)); 436234370Sjasone if (astats->lstats == NULL) 437234370Sjasone return (true); 438234370Sjasone } 439234370Sjasone 440234370Sjasone return (false); 441234370Sjasone} 442234370Sjasone 443234370Sjasonestatic void 444234370Sjasonectl_arena_clear(ctl_arena_stats_t *astats) 445234370Sjasone{ 446234370Sjasone 447242844Sjasone astats->dss = dss_prec_names[dss_prec_limit]; 448234370Sjasone astats->pactive = 0; 449234370Sjasone astats->pdirty = 0; 450234370Sjasone if (config_stats) { 451234370Sjasone memset(&astats->astats, 0, sizeof(arena_stats_t)); 452234370Sjasone astats->allocated_small = 0; 453234370Sjasone astats->nmalloc_small = 0; 454234370Sjasone astats->ndalloc_small = 0; 455234370Sjasone astats->nrequests_small = 0; 456234370Sjasone memset(astats->bstats, 0, NBINS * sizeof(malloc_bin_stats_t)); 457234370Sjasone memset(astats->lstats, 0, nlclasses * 458234370Sjasone sizeof(malloc_large_stats_t)); 459234370Sjasone } 460234370Sjasone} 461234370Sjasone 462234370Sjasonestatic void 463234370Sjasonectl_arena_stats_amerge(ctl_arena_stats_t *cstats, arena_t *arena) 464234370Sjasone{ 465234370Sjasone unsigned i; 466234370Sjasone 467242844Sjasone arena_stats_merge(arena, &cstats->dss, &cstats->pactive, 468242844Sjasone &cstats->pdirty, &cstats->astats, cstats->bstats, cstats->lstats); 469234370Sjasone 470234370Sjasone for (i = 0; i < NBINS; i++) { 471234370Sjasone cstats->allocated_small += cstats->bstats[i].allocated; 472234370Sjasone cstats->nmalloc_small += cstats->bstats[i].nmalloc; 473234370Sjasone cstats->ndalloc_small += cstats->bstats[i].ndalloc; 474234370Sjasone cstats->nrequests_small += cstats->bstats[i].nrequests; 475234370Sjasone } 476234370Sjasone} 477234370Sjasone 478234370Sjasonestatic void 479234370Sjasonectl_arena_stats_smerge(ctl_arena_stats_t *sstats, ctl_arena_stats_t *astats) 480234370Sjasone{ 481234370Sjasone unsigned i; 482234370Sjasone 483234370Sjasone sstats->pactive += astats->pactive; 484234370Sjasone sstats->pdirty += astats->pdirty; 485234370Sjasone 486234370Sjasone sstats->astats.mapped += astats->astats.mapped; 487234370Sjasone sstats->astats.npurge += astats->astats.npurge; 488234370Sjasone sstats->astats.nmadvise += astats->astats.nmadvise; 489234370Sjasone sstats->astats.purged += astats->astats.purged; 490234370Sjasone 491234370Sjasone sstats->allocated_small += astats->allocated_small; 492234370Sjasone sstats->nmalloc_small += astats->nmalloc_small; 493234370Sjasone sstats->ndalloc_small += astats->ndalloc_small; 494234370Sjasone sstats->nrequests_small += astats->nrequests_small; 495234370Sjasone 496234370Sjasone sstats->astats.allocated_large += astats->astats.allocated_large; 497234370Sjasone sstats->astats.nmalloc_large += astats->astats.nmalloc_large; 498234370Sjasone sstats->astats.ndalloc_large += astats->astats.ndalloc_large; 499234370Sjasone sstats->astats.nrequests_large += astats->astats.nrequests_large; 500234370Sjasone 501234370Sjasone for (i = 0; i < nlclasses; i++) { 502234370Sjasone sstats->lstats[i].nmalloc += astats->lstats[i].nmalloc; 503234370Sjasone sstats->lstats[i].ndalloc += astats->lstats[i].ndalloc; 504234370Sjasone sstats->lstats[i].nrequests += astats->lstats[i].nrequests; 505234370Sjasone sstats->lstats[i].curruns += astats->lstats[i].curruns; 506234370Sjasone } 507234370Sjasone 508234370Sjasone for (i = 0; i < NBINS; i++) { 509234370Sjasone sstats->bstats[i].allocated += astats->bstats[i].allocated; 510234370Sjasone sstats->bstats[i].nmalloc += astats->bstats[i].nmalloc; 511234370Sjasone sstats->bstats[i].ndalloc += astats->bstats[i].ndalloc; 512234370Sjasone sstats->bstats[i].nrequests += astats->bstats[i].nrequests; 513234370Sjasone if (config_tcache) { 514234370Sjasone sstats->bstats[i].nfills += astats->bstats[i].nfills; 515234370Sjasone sstats->bstats[i].nflushes += 516234370Sjasone astats->bstats[i].nflushes; 517234370Sjasone } 518234370Sjasone sstats->bstats[i].nruns += astats->bstats[i].nruns; 519234370Sjasone sstats->bstats[i].reruns += astats->bstats[i].reruns; 520234370Sjasone sstats->bstats[i].curruns += astats->bstats[i].curruns; 521234370Sjasone } 522234370Sjasone} 523234370Sjasone 524234370Sjasonestatic void 525234370Sjasonectl_arena_refresh(arena_t *arena, unsigned i) 526234370Sjasone{ 527234370Sjasone ctl_arena_stats_t *astats = &ctl_stats.arenas[i]; 528242844Sjasone ctl_arena_stats_t *sstats = &ctl_stats.arenas[ctl_stats.narenas]; 529234370Sjasone 530234370Sjasone ctl_arena_clear(astats); 531234370Sjasone 532234370Sjasone sstats->nthreads += astats->nthreads; 533234370Sjasone if (config_stats) { 534234370Sjasone ctl_arena_stats_amerge(astats, arena); 535234370Sjasone /* Merge into sum stats as well. */ 536234370Sjasone ctl_arena_stats_smerge(sstats, astats); 537234370Sjasone } else { 538234370Sjasone astats->pactive += arena->nactive; 539234370Sjasone astats->pdirty += arena->ndirty; 540234370Sjasone /* Merge into sum stats as well. */ 541234370Sjasone sstats->pactive += arena->nactive; 542234370Sjasone sstats->pdirty += arena->ndirty; 543234370Sjasone } 544234370Sjasone} 545234370Sjasone 546242844Sjasonestatic bool 547242844Sjasonectl_grow(void) 548242844Sjasone{ 549242844Sjasone size_t astats_size; 550242844Sjasone ctl_arena_stats_t *astats; 551242844Sjasone arena_t **tarenas; 552242844Sjasone 553242844Sjasone /* Extend arena stats and arenas arrays. */ 554242844Sjasone astats_size = (ctl_stats.narenas + 2) * sizeof(ctl_arena_stats_t); 555242844Sjasone if (ctl_stats.narenas == narenas_auto) { 556242844Sjasone /* ctl_stats.arenas and arenas came from base_alloc(). */ 557242844Sjasone astats = (ctl_arena_stats_t *)imalloc(astats_size); 558242844Sjasone if (astats == NULL) 559242844Sjasone return (true); 560242844Sjasone memcpy(astats, ctl_stats.arenas, (ctl_stats.narenas + 1) * 561242844Sjasone sizeof(ctl_arena_stats_t)); 562242844Sjasone 563242844Sjasone tarenas = (arena_t **)imalloc((ctl_stats.narenas + 1) * 564242844Sjasone sizeof(arena_t *)); 565242844Sjasone if (tarenas == NULL) { 566242844Sjasone idalloc(astats); 567242844Sjasone return (true); 568242844Sjasone } 569242844Sjasone memcpy(tarenas, arenas, ctl_stats.narenas * sizeof(arena_t *)); 570242844Sjasone } else { 571242844Sjasone astats = (ctl_arena_stats_t *)iralloc(ctl_stats.arenas, 572242844Sjasone astats_size, 0, 0, false, false); 573242844Sjasone if (astats == NULL) 574242844Sjasone return (true); 575242844Sjasone 576242844Sjasone tarenas = (arena_t **)iralloc(arenas, (ctl_stats.narenas + 1) * 577242844Sjasone sizeof(arena_t *), 0, 0, false, false); 578242844Sjasone if (tarenas == NULL) 579242844Sjasone return (true); 580242844Sjasone } 581242844Sjasone /* Initialize the new astats and arenas elements. */ 582242844Sjasone memset(&astats[ctl_stats.narenas + 1], 0, sizeof(ctl_arena_stats_t)); 583242844Sjasone if (ctl_arena_init(&astats[ctl_stats.narenas + 1])) 584242844Sjasone return (true); 585242844Sjasone tarenas[ctl_stats.narenas] = NULL; 586242844Sjasone /* Swap merged stats to their new location. */ 587242844Sjasone { 588242844Sjasone ctl_arena_stats_t tstats; 589242844Sjasone memcpy(&tstats, &astats[ctl_stats.narenas], 590242844Sjasone sizeof(ctl_arena_stats_t)); 591242844Sjasone memcpy(&astats[ctl_stats.narenas], 592242844Sjasone &astats[ctl_stats.narenas + 1], sizeof(ctl_arena_stats_t)); 593242844Sjasone memcpy(&astats[ctl_stats.narenas + 1], &tstats, 594242844Sjasone sizeof(ctl_arena_stats_t)); 595242844Sjasone } 596242844Sjasone ctl_stats.arenas = astats; 597242844Sjasone ctl_stats.narenas++; 598242844Sjasone malloc_mutex_lock(&arenas_lock); 599242844Sjasone arenas = tarenas; 600242844Sjasone narenas_total++; 601242844Sjasone arenas_extend(narenas_total - 1); 602242844Sjasone malloc_mutex_unlock(&arenas_lock); 603242844Sjasone 604242844Sjasone return (false); 605242844Sjasone} 606242844Sjasone 607234370Sjasonestatic void 608234370Sjasonectl_refresh(void) 609234370Sjasone{ 610234370Sjasone unsigned i; 611242844Sjasone VARIABLE_ARRAY(arena_t *, tarenas, ctl_stats.narenas); 612234370Sjasone 613234370Sjasone if (config_stats) { 614234370Sjasone malloc_mutex_lock(&chunks_mtx); 615234370Sjasone ctl_stats.chunks.current = stats_chunks.curchunks; 616234370Sjasone ctl_stats.chunks.total = stats_chunks.nchunks; 617234370Sjasone ctl_stats.chunks.high = stats_chunks.highchunks; 618234370Sjasone malloc_mutex_unlock(&chunks_mtx); 619234370Sjasone 620234370Sjasone malloc_mutex_lock(&huge_mtx); 621234370Sjasone ctl_stats.huge.allocated = huge_allocated; 622234370Sjasone ctl_stats.huge.nmalloc = huge_nmalloc; 623234370Sjasone ctl_stats.huge.ndalloc = huge_ndalloc; 624234370Sjasone malloc_mutex_unlock(&huge_mtx); 625234370Sjasone } 626234370Sjasone 627234370Sjasone /* 628234370Sjasone * Clear sum stats, since they will be merged into by 629234370Sjasone * ctl_arena_refresh(). 630234370Sjasone */ 631242844Sjasone ctl_stats.arenas[ctl_stats.narenas].nthreads = 0; 632242844Sjasone ctl_arena_clear(&ctl_stats.arenas[ctl_stats.narenas]); 633234370Sjasone 634234370Sjasone malloc_mutex_lock(&arenas_lock); 635242844Sjasone memcpy(tarenas, arenas, sizeof(arena_t *) * ctl_stats.narenas); 636242844Sjasone for (i = 0; i < ctl_stats.narenas; i++) { 637234370Sjasone if (arenas[i] != NULL) 638234370Sjasone ctl_stats.arenas[i].nthreads = arenas[i]->nthreads; 639234370Sjasone else 640234370Sjasone ctl_stats.arenas[i].nthreads = 0; 641234370Sjasone } 642234370Sjasone malloc_mutex_unlock(&arenas_lock); 643242844Sjasone for (i = 0; i < ctl_stats.narenas; i++) { 644234370Sjasone bool initialized = (tarenas[i] != NULL); 645234370Sjasone 646234370Sjasone ctl_stats.arenas[i].initialized = initialized; 647234370Sjasone if (initialized) 648234370Sjasone ctl_arena_refresh(tarenas[i], i); 649234370Sjasone } 650234370Sjasone 651234370Sjasone if (config_stats) { 652242844Sjasone ctl_stats.allocated = 653242844Sjasone ctl_stats.arenas[ctl_stats.narenas].allocated_small 654242844Sjasone + ctl_stats.arenas[ctl_stats.narenas].astats.allocated_large 655234370Sjasone + ctl_stats.huge.allocated; 656242844Sjasone ctl_stats.active = 657242844Sjasone (ctl_stats.arenas[ctl_stats.narenas].pactive << LG_PAGE) 658242844Sjasone + ctl_stats.huge.allocated; 659234370Sjasone ctl_stats.mapped = (ctl_stats.chunks.current << opt_lg_chunk); 660234370Sjasone } 661234370Sjasone 662234370Sjasone ctl_epoch++; 663234370Sjasone} 664234370Sjasone 665234370Sjasonestatic bool 666234370Sjasonectl_init(void) 667234370Sjasone{ 668234370Sjasone bool ret; 669234370Sjasone 670234370Sjasone malloc_mutex_lock(&ctl_mtx); 671234370Sjasone if (ctl_initialized == false) { 672234370Sjasone /* 673234370Sjasone * Allocate space for one extra arena stats element, which 674234370Sjasone * contains summed stats across all arenas. 675234370Sjasone */ 676242844Sjasone assert(narenas_auto == narenas_total_get()); 677242844Sjasone ctl_stats.narenas = narenas_auto; 678234370Sjasone ctl_stats.arenas = (ctl_arena_stats_t *)base_alloc( 679242844Sjasone (ctl_stats.narenas + 1) * sizeof(ctl_arena_stats_t)); 680234370Sjasone if (ctl_stats.arenas == NULL) { 681234370Sjasone ret = true; 682234370Sjasone goto label_return; 683234370Sjasone } 684242844Sjasone memset(ctl_stats.arenas, 0, (ctl_stats.narenas + 1) * 685234370Sjasone sizeof(ctl_arena_stats_t)); 686234370Sjasone 687234370Sjasone /* 688234370Sjasone * Initialize all stats structures, regardless of whether they 689234370Sjasone * ever get used. Lazy initialization would allow errors to 690234370Sjasone * cause inconsistent state to be viewable by the application. 691234370Sjasone */ 692234370Sjasone if (config_stats) { 693234370Sjasone unsigned i; 694242844Sjasone for (i = 0; i <= ctl_stats.narenas; i++) { 695234370Sjasone if (ctl_arena_init(&ctl_stats.arenas[i])) { 696234370Sjasone ret = true; 697234370Sjasone goto label_return; 698234370Sjasone } 699234370Sjasone } 700234370Sjasone } 701242844Sjasone ctl_stats.arenas[ctl_stats.narenas].initialized = true; 702234370Sjasone 703234370Sjasone ctl_epoch = 0; 704234370Sjasone ctl_refresh(); 705234370Sjasone ctl_initialized = true; 706234370Sjasone } 707234370Sjasone 708234370Sjasone ret = false; 709234370Sjasonelabel_return: 710234370Sjasone malloc_mutex_unlock(&ctl_mtx); 711234370Sjasone return (ret); 712234370Sjasone} 713234370Sjasone 714234370Sjasonestatic int 715234370Sjasonectl_lookup(const char *name, ctl_node_t const **nodesp, size_t *mibp, 716234370Sjasone size_t *depthp) 717234370Sjasone{ 718234370Sjasone int ret; 719234370Sjasone const char *elm, *tdot, *dot; 720234370Sjasone size_t elen, i, j; 721235238Sjasone const ctl_named_node_t *node; 722234370Sjasone 723234370Sjasone elm = name; 724234370Sjasone /* Equivalent to strchrnul(). */ 725234370Sjasone dot = ((tdot = strchr(elm, '.')) != NULL) ? tdot : strchr(elm, '\0'); 726234370Sjasone elen = (size_t)((uintptr_t)dot - (uintptr_t)elm); 727234370Sjasone if (elen == 0) { 728234370Sjasone ret = ENOENT; 729234370Sjasone goto label_return; 730234370Sjasone } 731234370Sjasone node = super_root_node; 732234370Sjasone for (i = 0; i < *depthp; i++) { 733235238Sjasone assert(node); 734235238Sjasone assert(node->nchildren > 0); 735235238Sjasone if (ctl_named_node(node->children) != NULL) { 736235238Sjasone const ctl_named_node_t *pnode = node; 737234370Sjasone 738234370Sjasone /* Children are named. */ 739235238Sjasone for (j = 0; j < node->nchildren; j++) { 740235238Sjasone const ctl_named_node_t *child = 741235238Sjasone ctl_named_children(node, j); 742235238Sjasone if (strlen(child->name) == elen && 743235238Sjasone strncmp(elm, child->name, elen) == 0) { 744234370Sjasone node = child; 745234370Sjasone if (nodesp != NULL) 746235238Sjasone nodesp[i] = 747235238Sjasone (const ctl_node_t *)node; 748234370Sjasone mibp[i] = j; 749234370Sjasone break; 750234370Sjasone } 751234370Sjasone } 752234370Sjasone if (node == pnode) { 753234370Sjasone ret = ENOENT; 754234370Sjasone goto label_return; 755234370Sjasone } 756234370Sjasone } else { 757234370Sjasone uintmax_t index; 758235238Sjasone const ctl_indexed_node_t *inode; 759234370Sjasone 760234370Sjasone /* Children are indexed. */ 761234370Sjasone index = malloc_strtoumax(elm, NULL, 10); 762234370Sjasone if (index == UINTMAX_MAX || index > SIZE_T_MAX) { 763234370Sjasone ret = ENOENT; 764234370Sjasone goto label_return; 765234370Sjasone } 766234370Sjasone 767235238Sjasone inode = ctl_indexed_node(node->children); 768235238Sjasone node = inode->index(mibp, *depthp, (size_t)index); 769234370Sjasone if (node == NULL) { 770234370Sjasone ret = ENOENT; 771234370Sjasone goto label_return; 772234370Sjasone } 773234370Sjasone 774234370Sjasone if (nodesp != NULL) 775235238Sjasone nodesp[i] = (const ctl_node_t *)node; 776234370Sjasone mibp[i] = (size_t)index; 777234370Sjasone } 778234370Sjasone 779234370Sjasone if (node->ctl != NULL) { 780234370Sjasone /* Terminal node. */ 781234370Sjasone if (*dot != '\0') { 782234370Sjasone /* 783234370Sjasone * The name contains more elements than are 784234370Sjasone * in this path through the tree. 785234370Sjasone */ 786234370Sjasone ret = ENOENT; 787234370Sjasone goto label_return; 788234370Sjasone } 789234370Sjasone /* Complete lookup successful. */ 790234370Sjasone *depthp = i + 1; 791234370Sjasone break; 792234370Sjasone } 793234370Sjasone 794234370Sjasone /* Update elm. */ 795234370Sjasone if (*dot == '\0') { 796234370Sjasone /* No more elements. */ 797234370Sjasone ret = ENOENT; 798234370Sjasone goto label_return; 799234370Sjasone } 800234370Sjasone elm = &dot[1]; 801234370Sjasone dot = ((tdot = strchr(elm, '.')) != NULL) ? tdot : 802234370Sjasone strchr(elm, '\0'); 803234370Sjasone elen = (size_t)((uintptr_t)dot - (uintptr_t)elm); 804234370Sjasone } 805234370Sjasone 806234370Sjasone ret = 0; 807234370Sjasonelabel_return: 808234370Sjasone return (ret); 809234370Sjasone} 810234370Sjasone 811234370Sjasoneint 812234370Sjasonectl_byname(const char *name, void *oldp, size_t *oldlenp, void *newp, 813234370Sjasone size_t newlen) 814234370Sjasone{ 815234370Sjasone int ret; 816234370Sjasone size_t depth; 817234370Sjasone ctl_node_t const *nodes[CTL_MAX_DEPTH]; 818234370Sjasone size_t mib[CTL_MAX_DEPTH]; 819235238Sjasone const ctl_named_node_t *node; 820234370Sjasone 821234370Sjasone if (ctl_initialized == false && ctl_init()) { 822234370Sjasone ret = EAGAIN; 823234370Sjasone goto label_return; 824234370Sjasone } 825234370Sjasone 826234370Sjasone depth = CTL_MAX_DEPTH; 827234370Sjasone ret = ctl_lookup(name, nodes, mib, &depth); 828234370Sjasone if (ret != 0) 829234370Sjasone goto label_return; 830234370Sjasone 831235238Sjasone node = ctl_named_node(nodes[depth-1]); 832235238Sjasone if (node != NULL && node->ctl) 833235238Sjasone ret = node->ctl(mib, depth, oldp, oldlenp, newp, newlen); 834235238Sjasone else { 835234370Sjasone /* The name refers to a partial path through the ctl tree. */ 836234370Sjasone ret = ENOENT; 837234370Sjasone } 838234370Sjasone 839234370Sjasonelabel_return: 840234370Sjasone return(ret); 841234370Sjasone} 842234370Sjasone 843234370Sjasoneint 844234370Sjasonectl_nametomib(const char *name, size_t *mibp, size_t *miblenp) 845234370Sjasone{ 846234370Sjasone int ret; 847234370Sjasone 848234370Sjasone if (ctl_initialized == false && ctl_init()) { 849234370Sjasone ret = EAGAIN; 850234370Sjasone goto label_return; 851234370Sjasone } 852234370Sjasone 853234370Sjasone ret = ctl_lookup(name, NULL, mibp, miblenp); 854234370Sjasonelabel_return: 855234370Sjasone return(ret); 856234370Sjasone} 857234370Sjasone 858234370Sjasoneint 859234370Sjasonectl_bymib(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 860234370Sjasone void *newp, size_t newlen) 861234370Sjasone{ 862234370Sjasone int ret; 863235238Sjasone const ctl_named_node_t *node; 864234370Sjasone size_t i; 865234370Sjasone 866234370Sjasone if (ctl_initialized == false && ctl_init()) { 867234370Sjasone ret = EAGAIN; 868234370Sjasone goto label_return; 869234370Sjasone } 870234370Sjasone 871234370Sjasone /* Iterate down the tree. */ 872234370Sjasone node = super_root_node; 873234370Sjasone for (i = 0; i < miblen; i++) { 874235238Sjasone assert(node); 875235238Sjasone assert(node->nchildren > 0); 876235238Sjasone if (ctl_named_node(node->children) != NULL) { 877234370Sjasone /* Children are named. */ 878235238Sjasone if (node->nchildren <= mib[i]) { 879234370Sjasone ret = ENOENT; 880234370Sjasone goto label_return; 881234370Sjasone } 882235238Sjasone node = ctl_named_children(node, mib[i]); 883234370Sjasone } else { 884235238Sjasone const ctl_indexed_node_t *inode; 885234370Sjasone 886234370Sjasone /* Indexed element. */ 887235238Sjasone inode = ctl_indexed_node(node->children); 888235238Sjasone node = inode->index(mib, miblen, mib[i]); 889234370Sjasone if (node == NULL) { 890234370Sjasone ret = ENOENT; 891234370Sjasone goto label_return; 892234370Sjasone } 893234370Sjasone } 894234370Sjasone } 895234370Sjasone 896234370Sjasone /* Call the ctl function. */ 897235238Sjasone if (node && node->ctl) 898235238Sjasone ret = node->ctl(mib, miblen, oldp, oldlenp, newp, newlen); 899235238Sjasone else { 900234370Sjasone /* Partial MIB. */ 901234370Sjasone ret = ENOENT; 902234370Sjasone } 903234370Sjasone 904234370Sjasonelabel_return: 905234370Sjasone return(ret); 906234370Sjasone} 907234370Sjasone 908234370Sjasonebool 909234370Sjasonectl_boot(void) 910234370Sjasone{ 911234370Sjasone 912234370Sjasone if (malloc_mutex_init(&ctl_mtx)) 913234370Sjasone return (true); 914234370Sjasone 915234370Sjasone ctl_initialized = false; 916234370Sjasone 917234370Sjasone return (false); 918234370Sjasone} 919234370Sjasone 920242844Sjasonevoid 921242844Sjasonectl_prefork(void) 922242844Sjasone{ 923242844Sjasone 924242844Sjasone malloc_mutex_lock(&ctl_mtx); 925242844Sjasone} 926242844Sjasone 927242844Sjasonevoid 928242844Sjasonectl_postfork_parent(void) 929242844Sjasone{ 930242844Sjasone 931242844Sjasone malloc_mutex_postfork_parent(&ctl_mtx); 932242844Sjasone} 933242844Sjasone 934242844Sjasonevoid 935242844Sjasonectl_postfork_child(void) 936242844Sjasone{ 937242844Sjasone 938242844Sjasone malloc_mutex_postfork_child(&ctl_mtx); 939242844Sjasone} 940242844Sjasone 941234370Sjasone/******************************************************************************/ 942234370Sjasone/* *_ctl() functions. */ 943234370Sjasone 944234370Sjasone#define READONLY() do { \ 945234370Sjasone if (newp != NULL || newlen != 0) { \ 946234370Sjasone ret = EPERM; \ 947235238Sjasone goto label_return; \ 948234370Sjasone } \ 949234370Sjasone} while (0) 950234370Sjasone 951234370Sjasone#define WRITEONLY() do { \ 952234370Sjasone if (oldp != NULL || oldlenp != NULL) { \ 953234370Sjasone ret = EPERM; \ 954235238Sjasone goto label_return; \ 955234370Sjasone } \ 956234370Sjasone} while (0) 957234370Sjasone 958234370Sjasone#define READ(v, t) do { \ 959234370Sjasone if (oldp != NULL && oldlenp != NULL) { \ 960234370Sjasone if (*oldlenp != sizeof(t)) { \ 961234370Sjasone size_t copylen = (sizeof(t) <= *oldlenp) \ 962234370Sjasone ? sizeof(t) : *oldlenp; \ 963245868Sjasone memcpy(oldp, (void *)&(v), copylen); \ 964234370Sjasone ret = EINVAL; \ 965235238Sjasone goto label_return; \ 966234370Sjasone } else \ 967245868Sjasone *(t *)oldp = (v); \ 968234370Sjasone } \ 969234370Sjasone} while (0) 970234370Sjasone 971234370Sjasone#define WRITE(v, t) do { \ 972234370Sjasone if (newp != NULL) { \ 973234370Sjasone if (newlen != sizeof(t)) { \ 974234370Sjasone ret = EINVAL; \ 975235238Sjasone goto label_return; \ 976234370Sjasone } \ 977245868Sjasone (v) = *(t *)newp; \ 978234370Sjasone } \ 979234370Sjasone} while (0) 980234370Sjasone 981234370Sjasone/* 982234370Sjasone * There's a lot of code duplication in the following macros due to limitations 983234370Sjasone * in how nested cpp macros are expanded. 984234370Sjasone */ 985234370Sjasone#define CTL_RO_CLGEN(c, l, n, v, t) \ 986234370Sjasonestatic int \ 987234370Sjasonen##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ 988234370Sjasone void *newp, size_t newlen) \ 989234370Sjasone{ \ 990234370Sjasone int ret; \ 991234370Sjasone t oldval; \ 992234370Sjasone \ 993234370Sjasone if ((c) == false) \ 994234370Sjasone return (ENOENT); \ 995234370Sjasone if (l) \ 996234370Sjasone malloc_mutex_lock(&ctl_mtx); \ 997234370Sjasone READONLY(); \ 998245868Sjasone oldval = (v); \ 999234370Sjasone READ(oldval, t); \ 1000234370Sjasone \ 1001234370Sjasone ret = 0; \ 1002235238Sjasonelabel_return: \ 1003234370Sjasone if (l) \ 1004234370Sjasone malloc_mutex_unlock(&ctl_mtx); \ 1005234370Sjasone return (ret); \ 1006234370Sjasone} 1007234370Sjasone 1008234370Sjasone#define CTL_RO_CGEN(c, n, v, t) \ 1009234370Sjasonestatic int \ 1010234370Sjasonen##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ 1011234370Sjasone void *newp, size_t newlen) \ 1012234370Sjasone{ \ 1013234370Sjasone int ret; \ 1014234370Sjasone t oldval; \ 1015234370Sjasone \ 1016234370Sjasone if ((c) == false) \ 1017234370Sjasone return (ENOENT); \ 1018234370Sjasone malloc_mutex_lock(&ctl_mtx); \ 1019234370Sjasone READONLY(); \ 1020245868Sjasone oldval = (v); \ 1021234370Sjasone READ(oldval, t); \ 1022234370Sjasone \ 1023234370Sjasone ret = 0; \ 1024235238Sjasonelabel_return: \ 1025234370Sjasone malloc_mutex_unlock(&ctl_mtx); \ 1026234370Sjasone return (ret); \ 1027234370Sjasone} 1028234370Sjasone 1029234370Sjasone#define CTL_RO_GEN(n, v, t) \ 1030234370Sjasonestatic int \ 1031234370Sjasonen##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ 1032234370Sjasone void *newp, size_t newlen) \ 1033234370Sjasone{ \ 1034234370Sjasone int ret; \ 1035234370Sjasone t oldval; \ 1036234370Sjasone \ 1037234370Sjasone malloc_mutex_lock(&ctl_mtx); \ 1038234370Sjasone READONLY(); \ 1039245868Sjasone oldval = (v); \ 1040234370Sjasone READ(oldval, t); \ 1041234370Sjasone \ 1042234370Sjasone ret = 0; \ 1043235238Sjasonelabel_return: \ 1044234370Sjasone malloc_mutex_unlock(&ctl_mtx); \ 1045234370Sjasone return (ret); \ 1046234370Sjasone} 1047234370Sjasone 1048234370Sjasone/* 1049234370Sjasone * ctl_mtx is not acquired, under the assumption that no pertinent data will 1050234370Sjasone * mutate during the call. 1051234370Sjasone */ 1052234370Sjasone#define CTL_RO_NL_CGEN(c, n, v, t) \ 1053234370Sjasonestatic int \ 1054234370Sjasonen##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ 1055234370Sjasone void *newp, size_t newlen) \ 1056234370Sjasone{ \ 1057234370Sjasone int ret; \ 1058234370Sjasone t oldval; \ 1059234370Sjasone \ 1060234370Sjasone if ((c) == false) \ 1061234370Sjasone return (ENOENT); \ 1062234370Sjasone READONLY(); \ 1063245868Sjasone oldval = (v); \ 1064234370Sjasone READ(oldval, t); \ 1065234370Sjasone \ 1066234370Sjasone ret = 0; \ 1067235238Sjasonelabel_return: \ 1068234370Sjasone return (ret); \ 1069234370Sjasone} 1070234370Sjasone 1071234370Sjasone#define CTL_RO_NL_GEN(n, v, t) \ 1072234370Sjasonestatic int \ 1073234370Sjasonen##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ 1074234370Sjasone void *newp, size_t newlen) \ 1075234370Sjasone{ \ 1076234370Sjasone int ret; \ 1077234370Sjasone t oldval; \ 1078234370Sjasone \ 1079234370Sjasone READONLY(); \ 1080245868Sjasone oldval = (v); \ 1081234370Sjasone READ(oldval, t); \ 1082234370Sjasone \ 1083234370Sjasone ret = 0; \ 1084235238Sjasonelabel_return: \ 1085234370Sjasone return (ret); \ 1086234370Sjasone} 1087234370Sjasone 1088234370Sjasone#define CTL_RO_BOOL_CONFIG_GEN(n) \ 1089234370Sjasonestatic int \ 1090234370Sjasonen##_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, \ 1091234370Sjasone void *newp, size_t newlen) \ 1092234370Sjasone{ \ 1093234370Sjasone int ret; \ 1094234370Sjasone bool oldval; \ 1095234370Sjasone \ 1096234370Sjasone READONLY(); \ 1097234370Sjasone oldval = n; \ 1098234370Sjasone READ(oldval, bool); \ 1099234370Sjasone \ 1100234370Sjasone ret = 0; \ 1101235238Sjasonelabel_return: \ 1102234370Sjasone return (ret); \ 1103234370Sjasone} 1104234370Sjasone 1105234370SjasoneCTL_RO_NL_GEN(version, JEMALLOC_VERSION, const char *) 1106234370Sjasone 1107234370Sjasonestatic int 1108234370Sjasoneepoch_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 1109234370Sjasone void *newp, size_t newlen) 1110234370Sjasone{ 1111234370Sjasone int ret; 1112234370Sjasone uint64_t newval; 1113234370Sjasone 1114234370Sjasone malloc_mutex_lock(&ctl_mtx); 1115234370Sjasone WRITE(newval, uint64_t); 1116235238Sjasone if (newp != NULL) 1117234370Sjasone ctl_refresh(); 1118234370Sjasone READ(ctl_epoch, uint64_t); 1119234370Sjasone 1120234370Sjasone ret = 0; 1121234370Sjasonelabel_return: 1122234370Sjasone malloc_mutex_unlock(&ctl_mtx); 1123234370Sjasone return (ret); 1124234370Sjasone} 1125234370Sjasone 1126234370Sjasonestatic int 1127234370Sjasonethread_tcache_enabled_ctl(const size_t *mib, size_t miblen, void *oldp, 1128234370Sjasone size_t *oldlenp, void *newp, size_t newlen) 1129234370Sjasone{ 1130234370Sjasone int ret; 1131234370Sjasone bool oldval; 1132234370Sjasone 1133234370Sjasone if (config_tcache == false) 1134234370Sjasone return (ENOENT); 1135234370Sjasone 1136234370Sjasone oldval = tcache_enabled_get(); 1137234370Sjasone if (newp != NULL) { 1138234370Sjasone if (newlen != sizeof(bool)) { 1139234370Sjasone ret = EINVAL; 1140234370Sjasone goto label_return; 1141234370Sjasone } 1142234370Sjasone tcache_enabled_set(*(bool *)newp); 1143234370Sjasone } 1144234370Sjasone READ(oldval, bool); 1145234370Sjasone 1146242844Sjasone ret = 0; 1147234370Sjasonelabel_return: 1148234370Sjasone return (ret); 1149234370Sjasone} 1150234370Sjasone 1151234370Sjasonestatic int 1152234370Sjasonethread_tcache_flush_ctl(const size_t *mib, size_t miblen, void *oldp, 1153234370Sjasone size_t *oldlenp, void *newp, size_t newlen) 1154234370Sjasone{ 1155234370Sjasone int ret; 1156234370Sjasone 1157234370Sjasone if (config_tcache == false) 1158234370Sjasone return (ENOENT); 1159234370Sjasone 1160235238Sjasone READONLY(); 1161235238Sjasone WRITEONLY(); 1162234370Sjasone 1163234370Sjasone tcache_flush(); 1164234370Sjasone 1165234370Sjasone ret = 0; 1166234370Sjasonelabel_return: 1167234370Sjasone return (ret); 1168234370Sjasone} 1169234370Sjasone 1170234370Sjasonestatic int 1171234370Sjasonethread_arena_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 1172234370Sjasone void *newp, size_t newlen) 1173234370Sjasone{ 1174234370Sjasone int ret; 1175234370Sjasone unsigned newind, oldind; 1176234370Sjasone 1177242844Sjasone malloc_mutex_lock(&ctl_mtx); 1178234370Sjasone newind = oldind = choose_arena(NULL)->ind; 1179234370Sjasone WRITE(newind, unsigned); 1180234370Sjasone READ(oldind, unsigned); 1181234370Sjasone if (newind != oldind) { 1182234370Sjasone arena_t *arena; 1183234370Sjasone 1184242844Sjasone if (newind >= ctl_stats.narenas) { 1185234370Sjasone /* New arena index is out of range. */ 1186234370Sjasone ret = EFAULT; 1187234370Sjasone goto label_return; 1188234370Sjasone } 1189234370Sjasone 1190234370Sjasone /* Initialize arena if necessary. */ 1191234370Sjasone malloc_mutex_lock(&arenas_lock); 1192234370Sjasone if ((arena = arenas[newind]) == NULL && (arena = 1193234370Sjasone arenas_extend(newind)) == NULL) { 1194234370Sjasone malloc_mutex_unlock(&arenas_lock); 1195234370Sjasone ret = EAGAIN; 1196234370Sjasone goto label_return; 1197234370Sjasone } 1198234370Sjasone assert(arena == arenas[newind]); 1199234370Sjasone arenas[oldind]->nthreads--; 1200234370Sjasone arenas[newind]->nthreads++; 1201234370Sjasone malloc_mutex_unlock(&arenas_lock); 1202234370Sjasone 1203234370Sjasone /* Set new arena association. */ 1204234370Sjasone if (config_tcache) { 1205234370Sjasone tcache_t *tcache; 1206234370Sjasone if ((uintptr_t)(tcache = *tcache_tsd_get()) > 1207234370Sjasone (uintptr_t)TCACHE_STATE_MAX) { 1208234370Sjasone tcache_arena_dissociate(tcache); 1209234370Sjasone tcache_arena_associate(tcache, arena); 1210234370Sjasone } 1211234370Sjasone } 1212234370Sjasone arenas_tsd_set(&arena); 1213234370Sjasone } 1214234370Sjasone 1215234370Sjasone ret = 0; 1216234370Sjasonelabel_return: 1217242844Sjasone malloc_mutex_unlock(&ctl_mtx); 1218234370Sjasone return (ret); 1219234370Sjasone} 1220234370Sjasone 1221234370SjasoneCTL_RO_NL_CGEN(config_stats, thread_allocated, 1222234370Sjasone thread_allocated_tsd_get()->allocated, uint64_t) 1223234370SjasoneCTL_RO_NL_CGEN(config_stats, thread_allocatedp, 1224234370Sjasone &thread_allocated_tsd_get()->allocated, uint64_t *) 1225234370SjasoneCTL_RO_NL_CGEN(config_stats, thread_deallocated, 1226234370Sjasone thread_allocated_tsd_get()->deallocated, uint64_t) 1227234370SjasoneCTL_RO_NL_CGEN(config_stats, thread_deallocatedp, 1228234370Sjasone &thread_allocated_tsd_get()->deallocated, uint64_t *) 1229234370Sjasone 1230234370Sjasone/******************************************************************************/ 1231234370Sjasone 1232234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_debug) 1233234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_dss) 1234234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_fill) 1235234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_lazy_lock) 1236235238SjasoneCTL_RO_BOOL_CONFIG_GEN(config_mremap) 1237234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_munmap) 1238234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_prof) 1239234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_prof_libgcc) 1240234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_prof_libunwind) 1241234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_stats) 1242234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_tcache) 1243234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_tls) 1244234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_utrace) 1245234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_valgrind) 1246234370SjasoneCTL_RO_BOOL_CONFIG_GEN(config_xmalloc) 1247234370Sjasone 1248234370Sjasone/******************************************************************************/ 1249234370Sjasone 1250234370SjasoneCTL_RO_NL_GEN(opt_abort, opt_abort, bool) 1251242844SjasoneCTL_RO_NL_GEN(opt_dss, opt_dss, const char *) 1252234370SjasoneCTL_RO_NL_GEN(opt_lg_chunk, opt_lg_chunk, size_t) 1253234370SjasoneCTL_RO_NL_GEN(opt_narenas, opt_narenas, size_t) 1254234370SjasoneCTL_RO_NL_GEN(opt_lg_dirty_mult, opt_lg_dirty_mult, ssize_t) 1255234370SjasoneCTL_RO_NL_GEN(opt_stats_print, opt_stats_print, bool) 1256234370SjasoneCTL_RO_NL_CGEN(config_fill, opt_junk, opt_junk, bool) 1257234370SjasoneCTL_RO_NL_CGEN(config_fill, opt_zero, opt_zero, bool) 1258234370SjasoneCTL_RO_NL_CGEN(config_fill, opt_quarantine, opt_quarantine, size_t) 1259234370SjasoneCTL_RO_NL_CGEN(config_fill, opt_redzone, opt_redzone, bool) 1260234370SjasoneCTL_RO_NL_CGEN(config_utrace, opt_utrace, opt_utrace, bool) 1261234370SjasoneCTL_RO_NL_CGEN(config_valgrind, opt_valgrind, opt_valgrind, bool) 1262234370SjasoneCTL_RO_NL_CGEN(config_xmalloc, opt_xmalloc, opt_xmalloc, bool) 1263234370SjasoneCTL_RO_NL_CGEN(config_tcache, opt_tcache, opt_tcache, bool) 1264234370SjasoneCTL_RO_NL_CGEN(config_tcache, opt_lg_tcache_max, opt_lg_tcache_max, ssize_t) 1265234370SjasoneCTL_RO_NL_CGEN(config_prof, opt_prof, opt_prof, bool) 1266234370SjasoneCTL_RO_NL_CGEN(config_prof, opt_prof_prefix, opt_prof_prefix, const char *) 1267234370SjasoneCTL_RO_CGEN(config_prof, opt_prof_active, opt_prof_active, bool) /* Mutable. */ 1268234370SjasoneCTL_RO_NL_CGEN(config_prof, opt_lg_prof_sample, opt_lg_prof_sample, size_t) 1269234370SjasoneCTL_RO_NL_CGEN(config_prof, opt_lg_prof_interval, opt_lg_prof_interval, ssize_t) 1270234370SjasoneCTL_RO_NL_CGEN(config_prof, opt_prof_gdump, opt_prof_gdump, bool) 1271234543SjasoneCTL_RO_NL_CGEN(config_prof, opt_prof_final, opt_prof_final, bool) 1272234370SjasoneCTL_RO_NL_CGEN(config_prof, opt_prof_leak, opt_prof_leak, bool) 1273234370SjasoneCTL_RO_NL_CGEN(config_prof, opt_prof_accum, opt_prof_accum, bool) 1274234370Sjasone 1275234370Sjasone/******************************************************************************/ 1276234370Sjasone 1277242844Sjasone/* ctl_mutex must be held during execution of this function. */ 1278242844Sjasonestatic void 1279242844Sjasonearena_purge(unsigned arena_ind) 1280242844Sjasone{ 1281242844Sjasone VARIABLE_ARRAY(arena_t *, tarenas, ctl_stats.narenas); 1282242844Sjasone 1283242844Sjasone malloc_mutex_lock(&arenas_lock); 1284242844Sjasone memcpy(tarenas, arenas, sizeof(arena_t *) * ctl_stats.narenas); 1285242844Sjasone malloc_mutex_unlock(&arenas_lock); 1286242844Sjasone 1287242844Sjasone if (arena_ind == ctl_stats.narenas) { 1288242844Sjasone unsigned i; 1289242844Sjasone for (i = 0; i < ctl_stats.narenas; i++) { 1290242844Sjasone if (tarenas[i] != NULL) 1291242844Sjasone arena_purge_all(tarenas[i]); 1292242844Sjasone } 1293242844Sjasone } else { 1294242844Sjasone assert(arena_ind < ctl_stats.narenas); 1295242844Sjasone if (tarenas[arena_ind] != NULL) 1296242844Sjasone arena_purge_all(tarenas[arena_ind]); 1297242844Sjasone } 1298242844Sjasone} 1299242844Sjasone 1300242844Sjasonestatic int 1301242844Sjasonearena_i_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 1302242844Sjasone void *newp, size_t newlen) 1303242844Sjasone{ 1304242844Sjasone int ret; 1305242844Sjasone 1306242844Sjasone READONLY(); 1307242844Sjasone WRITEONLY(); 1308242844Sjasone malloc_mutex_lock(&ctl_mtx); 1309242844Sjasone arena_purge(mib[1]); 1310242844Sjasone malloc_mutex_unlock(&ctl_mtx); 1311242844Sjasone 1312242844Sjasone ret = 0; 1313242844Sjasonelabel_return: 1314242844Sjasone return (ret); 1315242844Sjasone} 1316242844Sjasone 1317242844Sjasonestatic int 1318242844Sjasonearena_i_dss_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 1319242844Sjasone void *newp, size_t newlen) 1320242844Sjasone{ 1321242844Sjasone int ret, i; 1322242844Sjasone bool match, err; 1323242844Sjasone const char *dss; 1324242844Sjasone unsigned arena_ind = mib[1]; 1325242844Sjasone dss_prec_t dss_prec_old = dss_prec_limit; 1326242844Sjasone dss_prec_t dss_prec = dss_prec_limit; 1327242844Sjasone 1328242844Sjasone malloc_mutex_lock(&ctl_mtx); 1329242844Sjasone WRITE(dss, const char *); 1330242844Sjasone match = false; 1331242844Sjasone for (i = 0; i < dss_prec_limit; i++) { 1332242844Sjasone if (strcmp(dss_prec_names[i], dss) == 0) { 1333242844Sjasone dss_prec = i; 1334242844Sjasone match = true; 1335242844Sjasone break; 1336242844Sjasone } 1337242844Sjasone } 1338242844Sjasone if (match == false) { 1339242844Sjasone ret = EINVAL; 1340242844Sjasone goto label_return; 1341242844Sjasone } 1342242844Sjasone 1343242844Sjasone if (arena_ind < ctl_stats.narenas) { 1344242844Sjasone arena_t *arena = arenas[arena_ind]; 1345242844Sjasone if (arena != NULL) { 1346242844Sjasone dss_prec_old = arena_dss_prec_get(arena); 1347242844Sjasone arena_dss_prec_set(arena, dss_prec); 1348242844Sjasone err = false; 1349242844Sjasone } else 1350242844Sjasone err = true; 1351242844Sjasone } else { 1352242844Sjasone dss_prec_old = chunk_dss_prec_get(); 1353242844Sjasone err = chunk_dss_prec_set(dss_prec); 1354242844Sjasone } 1355242844Sjasone dss = dss_prec_names[dss_prec_old]; 1356242844Sjasone READ(dss, const char *); 1357242844Sjasone if (err) { 1358242844Sjasone ret = EFAULT; 1359242844Sjasone goto label_return; 1360242844Sjasone } 1361242844Sjasone 1362242844Sjasone ret = 0; 1363242844Sjasonelabel_return: 1364242844Sjasone malloc_mutex_unlock(&ctl_mtx); 1365242844Sjasone return (ret); 1366242844Sjasone} 1367242844Sjasone 1368242844Sjasonestatic const ctl_named_node_t * 1369242844Sjasonearena_i_index(const size_t *mib, size_t miblen, size_t i) 1370242844Sjasone{ 1371242844Sjasone const ctl_named_node_t * ret; 1372242844Sjasone 1373242844Sjasone malloc_mutex_lock(&ctl_mtx); 1374242844Sjasone if (i > ctl_stats.narenas) { 1375242844Sjasone ret = NULL; 1376242844Sjasone goto label_return; 1377242844Sjasone } 1378242844Sjasone 1379242844Sjasone ret = super_arena_i_node; 1380242844Sjasonelabel_return: 1381242844Sjasone malloc_mutex_unlock(&ctl_mtx); 1382242844Sjasone return (ret); 1383242844Sjasone} 1384242844Sjasone 1385242844Sjasone 1386242844Sjasone/******************************************************************************/ 1387242844Sjasone 1388234370SjasoneCTL_RO_NL_GEN(arenas_bin_i_size, arena_bin_info[mib[2]].reg_size, size_t) 1389234370SjasoneCTL_RO_NL_GEN(arenas_bin_i_nregs, arena_bin_info[mib[2]].nregs, uint32_t) 1390234370SjasoneCTL_RO_NL_GEN(arenas_bin_i_run_size, arena_bin_info[mib[2]].run_size, size_t) 1391242844Sjasonestatic const ctl_named_node_t * 1392234370Sjasonearenas_bin_i_index(const size_t *mib, size_t miblen, size_t i) 1393234370Sjasone{ 1394234370Sjasone 1395234370Sjasone if (i > NBINS) 1396234370Sjasone return (NULL); 1397234370Sjasone return (super_arenas_bin_i_node); 1398234370Sjasone} 1399234370Sjasone 1400234370SjasoneCTL_RO_NL_GEN(arenas_lrun_i_size, ((mib[2]+1) << LG_PAGE), size_t) 1401242844Sjasonestatic const ctl_named_node_t * 1402234370Sjasonearenas_lrun_i_index(const size_t *mib, size_t miblen, size_t i) 1403234370Sjasone{ 1404234370Sjasone 1405234370Sjasone if (i > nlclasses) 1406234370Sjasone return (NULL); 1407234370Sjasone return (super_arenas_lrun_i_node); 1408234370Sjasone} 1409234370Sjasone 1410242844Sjasonestatic int 1411242844Sjasonearenas_narenas_ctl(const size_t *mib, size_t miblen, void *oldp, 1412242844Sjasone size_t *oldlenp, void *newp, size_t newlen) 1413242844Sjasone{ 1414242844Sjasone int ret; 1415242844Sjasone unsigned narenas; 1416234370Sjasone 1417242844Sjasone malloc_mutex_lock(&ctl_mtx); 1418242844Sjasone READONLY(); 1419242844Sjasone if (*oldlenp != sizeof(unsigned)) { 1420242844Sjasone ret = EINVAL; 1421242844Sjasone goto label_return; 1422242844Sjasone } 1423242844Sjasone narenas = ctl_stats.narenas; 1424242844Sjasone READ(narenas, unsigned); 1425242844Sjasone 1426242844Sjasone ret = 0; 1427242844Sjasonelabel_return: 1428242844Sjasone malloc_mutex_unlock(&ctl_mtx); 1429242844Sjasone return (ret); 1430242844Sjasone} 1431242844Sjasone 1432234370Sjasonestatic int 1433234370Sjasonearenas_initialized_ctl(const size_t *mib, size_t miblen, void *oldp, 1434234370Sjasone size_t *oldlenp, void *newp, size_t newlen) 1435234370Sjasone{ 1436234370Sjasone int ret; 1437234370Sjasone unsigned nread, i; 1438234370Sjasone 1439234370Sjasone malloc_mutex_lock(&ctl_mtx); 1440234370Sjasone READONLY(); 1441242844Sjasone if (*oldlenp != ctl_stats.narenas * sizeof(bool)) { 1442234370Sjasone ret = EINVAL; 1443242844Sjasone nread = (*oldlenp < ctl_stats.narenas * sizeof(bool)) 1444242844Sjasone ? (*oldlenp / sizeof(bool)) : ctl_stats.narenas; 1445234370Sjasone } else { 1446234370Sjasone ret = 0; 1447242844Sjasone nread = ctl_stats.narenas; 1448234370Sjasone } 1449234370Sjasone 1450234370Sjasone for (i = 0; i < nread; i++) 1451234370Sjasone ((bool *)oldp)[i] = ctl_stats.arenas[i].initialized; 1452234370Sjasone 1453234370Sjasonelabel_return: 1454234370Sjasone malloc_mutex_unlock(&ctl_mtx); 1455234370Sjasone return (ret); 1456234370Sjasone} 1457234370Sjasone 1458234370SjasoneCTL_RO_NL_GEN(arenas_quantum, QUANTUM, size_t) 1459234370SjasoneCTL_RO_NL_GEN(arenas_page, PAGE, size_t) 1460234370SjasoneCTL_RO_NL_CGEN(config_tcache, arenas_tcache_max, tcache_maxclass, size_t) 1461234370SjasoneCTL_RO_NL_GEN(arenas_nbins, NBINS, unsigned) 1462234370SjasoneCTL_RO_NL_CGEN(config_tcache, arenas_nhbins, nhbins, unsigned) 1463234370SjasoneCTL_RO_NL_GEN(arenas_nlruns, nlclasses, size_t) 1464234370Sjasone 1465234370Sjasonestatic int 1466234370Sjasonearenas_purge_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 1467234370Sjasone void *newp, size_t newlen) 1468234370Sjasone{ 1469234370Sjasone int ret; 1470242844Sjasone unsigned arena_ind; 1471234370Sjasone 1472242844Sjasone malloc_mutex_lock(&ctl_mtx); 1473234370Sjasone WRITEONLY(); 1474242844Sjasone arena_ind = UINT_MAX; 1475242844Sjasone WRITE(arena_ind, unsigned); 1476242844Sjasone if (newp != NULL && arena_ind >= ctl_stats.narenas) 1477234370Sjasone ret = EFAULT; 1478242844Sjasone else { 1479242844Sjasone if (arena_ind == UINT_MAX) 1480242844Sjasone arena_ind = ctl_stats.narenas; 1481242844Sjasone arena_purge(arena_ind); 1482242844Sjasone ret = 0; 1483242844Sjasone } 1484234370Sjasone 1485242844Sjasonelabel_return: 1486242844Sjasone malloc_mutex_unlock(&ctl_mtx); 1487242844Sjasone return (ret); 1488242844Sjasone} 1489234370Sjasone 1490242844Sjasonestatic int 1491242844Sjasonearenas_extend_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 1492242844Sjasone void *newp, size_t newlen) 1493242844Sjasone{ 1494242844Sjasone int ret; 1495245868Sjasone unsigned narenas; 1496242844Sjasone 1497242844Sjasone malloc_mutex_lock(&ctl_mtx); 1498242844Sjasone READONLY(); 1499242844Sjasone if (ctl_grow()) { 1500242844Sjasone ret = EAGAIN; 1501242844Sjasone goto label_return; 1502234370Sjasone } 1503245868Sjasone narenas = ctl_stats.narenas - 1; 1504245868Sjasone READ(narenas, unsigned); 1505234370Sjasone 1506234370Sjasone ret = 0; 1507234370Sjasonelabel_return: 1508242844Sjasone malloc_mutex_unlock(&ctl_mtx); 1509234370Sjasone return (ret); 1510234370Sjasone} 1511234370Sjasone 1512234370Sjasone/******************************************************************************/ 1513234370Sjasone 1514234370Sjasonestatic int 1515234370Sjasoneprof_active_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 1516234370Sjasone void *newp, size_t newlen) 1517234370Sjasone{ 1518234370Sjasone int ret; 1519234370Sjasone bool oldval; 1520234370Sjasone 1521234370Sjasone if (config_prof == false) 1522234370Sjasone return (ENOENT); 1523234370Sjasone 1524234370Sjasone malloc_mutex_lock(&ctl_mtx); /* Protect opt_prof_active. */ 1525234370Sjasone oldval = opt_prof_active; 1526234370Sjasone if (newp != NULL) { 1527234370Sjasone /* 1528234370Sjasone * The memory barriers will tend to make opt_prof_active 1529234370Sjasone * propagate faster on systems with weak memory ordering. 1530234370Sjasone */ 1531234370Sjasone mb_write(); 1532234370Sjasone WRITE(opt_prof_active, bool); 1533234370Sjasone mb_write(); 1534234370Sjasone } 1535234370Sjasone READ(oldval, bool); 1536234370Sjasone 1537234370Sjasone ret = 0; 1538234370Sjasonelabel_return: 1539234370Sjasone malloc_mutex_unlock(&ctl_mtx); 1540234370Sjasone return (ret); 1541234370Sjasone} 1542234370Sjasone 1543234370Sjasonestatic int 1544234370Sjasoneprof_dump_ctl(const size_t *mib, size_t miblen, void *oldp, size_t *oldlenp, 1545234370Sjasone void *newp, size_t newlen) 1546234370Sjasone{ 1547234370Sjasone int ret; 1548234370Sjasone const char *filename = NULL; 1549234370Sjasone 1550234370Sjasone if (config_prof == false) 1551234370Sjasone return (ENOENT); 1552234370Sjasone 1553234370Sjasone WRITEONLY(); 1554234370Sjasone WRITE(filename, const char *); 1555234370Sjasone 1556234370Sjasone if (prof_mdump(filename)) { 1557234370Sjasone ret = EFAULT; 1558234370Sjasone goto label_return; 1559234370Sjasone } 1560234370Sjasone 1561234370Sjasone ret = 0; 1562234370Sjasonelabel_return: 1563234370Sjasone return (ret); 1564234370Sjasone} 1565234370Sjasone 1566234370SjasoneCTL_RO_NL_CGEN(config_prof, prof_interval, prof_interval, uint64_t) 1567234370Sjasone 1568234370Sjasone/******************************************************************************/ 1569234370Sjasone 1570234370SjasoneCTL_RO_CGEN(config_stats, stats_chunks_current, ctl_stats.chunks.current, 1571234370Sjasone size_t) 1572234370SjasoneCTL_RO_CGEN(config_stats, stats_chunks_total, ctl_stats.chunks.total, uint64_t) 1573234370SjasoneCTL_RO_CGEN(config_stats, stats_chunks_high, ctl_stats.chunks.high, size_t) 1574234370SjasoneCTL_RO_CGEN(config_stats, stats_huge_allocated, huge_allocated, size_t) 1575234370SjasoneCTL_RO_CGEN(config_stats, stats_huge_nmalloc, huge_nmalloc, uint64_t) 1576234370SjasoneCTL_RO_CGEN(config_stats, stats_huge_ndalloc, huge_ndalloc, uint64_t) 1577234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_small_allocated, 1578234370Sjasone ctl_stats.arenas[mib[2]].allocated_small, size_t) 1579234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_small_nmalloc, 1580234370Sjasone ctl_stats.arenas[mib[2]].nmalloc_small, uint64_t) 1581234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_small_ndalloc, 1582234370Sjasone ctl_stats.arenas[mib[2]].ndalloc_small, uint64_t) 1583234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_small_nrequests, 1584234370Sjasone ctl_stats.arenas[mib[2]].nrequests_small, uint64_t) 1585234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_large_allocated, 1586234370Sjasone ctl_stats.arenas[mib[2]].astats.allocated_large, size_t) 1587234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_large_nmalloc, 1588234370Sjasone ctl_stats.arenas[mib[2]].astats.nmalloc_large, uint64_t) 1589234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_large_ndalloc, 1590234370Sjasone ctl_stats.arenas[mib[2]].astats.ndalloc_large, uint64_t) 1591234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_large_nrequests, 1592234370Sjasone ctl_stats.arenas[mib[2]].astats.nrequests_large, uint64_t) 1593234370Sjasone 1594234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_allocated, 1595234370Sjasone ctl_stats.arenas[mib[2]].bstats[mib[4]].allocated, size_t) 1596234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nmalloc, 1597234370Sjasone ctl_stats.arenas[mib[2]].bstats[mib[4]].nmalloc, uint64_t) 1598234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_ndalloc, 1599234370Sjasone ctl_stats.arenas[mib[2]].bstats[mib[4]].ndalloc, uint64_t) 1600234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nrequests, 1601234370Sjasone ctl_stats.arenas[mib[2]].bstats[mib[4]].nrequests, uint64_t) 1602234370SjasoneCTL_RO_CGEN(config_stats && config_tcache, stats_arenas_i_bins_j_nfills, 1603234370Sjasone ctl_stats.arenas[mib[2]].bstats[mib[4]].nfills, uint64_t) 1604234370SjasoneCTL_RO_CGEN(config_stats && config_tcache, stats_arenas_i_bins_j_nflushes, 1605234370Sjasone ctl_stats.arenas[mib[2]].bstats[mib[4]].nflushes, uint64_t) 1606234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nruns, 1607234370Sjasone ctl_stats.arenas[mib[2]].bstats[mib[4]].nruns, uint64_t) 1608234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_nreruns, 1609234370Sjasone ctl_stats.arenas[mib[2]].bstats[mib[4]].reruns, uint64_t) 1610234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_bins_j_curruns, 1611234370Sjasone ctl_stats.arenas[mib[2]].bstats[mib[4]].curruns, size_t) 1612234370Sjasone 1613242844Sjasonestatic const ctl_named_node_t * 1614234370Sjasonestats_arenas_i_bins_j_index(const size_t *mib, size_t miblen, size_t j) 1615234370Sjasone{ 1616234370Sjasone 1617234370Sjasone if (j > NBINS) 1618234370Sjasone return (NULL); 1619234370Sjasone return (super_stats_arenas_i_bins_j_node); 1620234370Sjasone} 1621234370Sjasone 1622234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_nmalloc, 1623234370Sjasone ctl_stats.arenas[mib[2]].lstats[mib[4]].nmalloc, uint64_t) 1624234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_ndalloc, 1625234370Sjasone ctl_stats.arenas[mib[2]].lstats[mib[4]].ndalloc, uint64_t) 1626234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_nrequests, 1627234370Sjasone ctl_stats.arenas[mib[2]].lstats[mib[4]].nrequests, uint64_t) 1628234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_lruns_j_curruns, 1629234370Sjasone ctl_stats.arenas[mib[2]].lstats[mib[4]].curruns, size_t) 1630234370Sjasone 1631242844Sjasonestatic const ctl_named_node_t * 1632234370Sjasonestats_arenas_i_lruns_j_index(const size_t *mib, size_t miblen, size_t j) 1633234370Sjasone{ 1634234370Sjasone 1635234370Sjasone if (j > nlclasses) 1636234370Sjasone return (NULL); 1637234370Sjasone return (super_stats_arenas_i_lruns_j_node); 1638234370Sjasone} 1639234370Sjasone 1640234370SjasoneCTL_RO_GEN(stats_arenas_i_nthreads, ctl_stats.arenas[mib[2]].nthreads, unsigned) 1641242844SjasoneCTL_RO_GEN(stats_arenas_i_dss, ctl_stats.arenas[mib[2]].dss, const char *) 1642234370SjasoneCTL_RO_GEN(stats_arenas_i_pactive, ctl_stats.arenas[mib[2]].pactive, size_t) 1643234370SjasoneCTL_RO_GEN(stats_arenas_i_pdirty, ctl_stats.arenas[mib[2]].pdirty, size_t) 1644234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_mapped, 1645234370Sjasone ctl_stats.arenas[mib[2]].astats.mapped, size_t) 1646234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_npurge, 1647234370Sjasone ctl_stats.arenas[mib[2]].astats.npurge, uint64_t) 1648234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_nmadvise, 1649234370Sjasone ctl_stats.arenas[mib[2]].astats.nmadvise, uint64_t) 1650234370SjasoneCTL_RO_CGEN(config_stats, stats_arenas_i_purged, 1651234370Sjasone ctl_stats.arenas[mib[2]].astats.purged, uint64_t) 1652234370Sjasone 1653242844Sjasonestatic const ctl_named_node_t * 1654234370Sjasonestats_arenas_i_index(const size_t *mib, size_t miblen, size_t i) 1655234370Sjasone{ 1656235238Sjasone const ctl_named_node_t * ret; 1657234370Sjasone 1658234370Sjasone malloc_mutex_lock(&ctl_mtx); 1659242844Sjasone if (i > ctl_stats.narenas || ctl_stats.arenas[i].initialized == false) { 1660234370Sjasone ret = NULL; 1661234370Sjasone goto label_return; 1662234370Sjasone } 1663234370Sjasone 1664234370Sjasone ret = super_stats_arenas_i_node; 1665234370Sjasonelabel_return: 1666234370Sjasone malloc_mutex_unlock(&ctl_mtx); 1667234370Sjasone return (ret); 1668234370Sjasone} 1669234370Sjasone 1670234370SjasoneCTL_RO_CGEN(config_stats, stats_cactive, &stats_cactive, size_t *) 1671234370SjasoneCTL_RO_CGEN(config_stats, stats_allocated, ctl_stats.allocated, size_t) 1672234370SjasoneCTL_RO_CGEN(config_stats, stats_active, ctl_stats.active, size_t) 1673234370SjasoneCTL_RO_CGEN(config_stats, stats_mapped, ctl_stats.mapped, size_t) 1674