| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Linux/tools/perf/pmu-events/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 37 kB |
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Quellverzeichnis empty-pmu-events.c Sprache: C |
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/* SPDX-License-Identifier: GPL-2.0 */ /* THIS FILE WAS AUTOGENERATED BY jevents.py arch=none model=none ! */ #include <pmu-events/pmu-events.h> #include "util/header.h" #include "util/pmu.h" #include <string.h> #include <stddef.h> struct compact_pmu_event { int offset; }; struct pmu_table_entry { const struct compact_pmu_event *entries; uint32_t num_entries; struct compact_pmu_event pmu_name; }; static const char *const big_c_string = /* offset=0 */ "software\000" /* offset=9 */ "cpu-clock\000software\000Per-CPU high-resolution timer based event\000c /* offset=87 */ "task-clock\000software\000Per-task high-resolution timer based event\0 /* offset=167 */ "faults\000software\000Number of page faults [This event is an alias of page /* offset=262 */ "page-faults\000software\000Number of page faults [This event is an alias o /* offset=357 */ "context-switches\000software\000Number of context switches [This event /* offset=458 */ "cs\000software\000Number of context switches [This event is an alias of con /* offset=559 */ "cpu-migrations\000software\000Number of times a process has migrated to a /* offset=691 */ "migrations\000software\000Number of times a process has migrated to a new C /* offset=823 */ "minor-faults\000software\000Number of minor page faults. Minor faults do /* offset=932 */ "major-faults\000software\000Number of major page faults. Major faults re /* offset=1035 */ "alignment-faults\000software\000Number of kernel handled memory align /* offset=1127 */ "emulation-faults\000software\000Number of kernel handled unimplement /* offset=1254 */ "dummy\000software\000A placeholder event that doesn't count anything\0 /* offset=1334 */ "bpf-output\000software\000An event used by BPF programs to write to the pe /* offset=1436 */ "cgroup-switches\000software\000Number of context switches to a task in a /* offset=1539 */ "tool\000" /* offset=1544 */ "duration_time\000tool\000Wall clock interval time in nanoseconds\000c /* offset=1620 */ "user_time\000tool\000User (non-kernel) time in nanoseconds\000config /* offset=1690 */ "system_time\000tool\000System/kernel time in nanoseconds\000config= /* offset=1758 */ "has_pmem\000tool\0001 if persistent memory installed otherwise 0\000co /* offset=1834 */ "num_cores\000tool\000Number of cores. A core consists of 1 or more thread, /* offset=1979 */ "num_cpus\000tool\000Number of logical Linux CPUs. There may be multiple s /* offset=2082 */ "num_cpus_online\000tool\000Number of online logical Linux CPUs. There m /* offset=2199 */ "num_dies\000tool\000Number of dies. Each die has 1 or more cores\000confi /* offset=2275 */ "num_packages\000tool\000Number of packages. Each package has 1 or more di /* offset=2361 */ "slots\000tool\000Number of functional units that in parallel can execute /* offset=2471 */ "smt_on\000tool\0001 if simultaneous multithreading (aka hyperthreadin /* offset=2578 */ "system_tsc_freq\000tool\000The amount a Time Stamp Counter (TSC) increa /* offset=2677 */ "default_core\000" /* offset=2690 */ "bp_l1_btb_correct\000branch\000L1 BTB Correction\000event=0x8a\000 /* offset=2752 */ "bp_l2_btb_correct\000branch\000L2 BTB Correction\000event=0x8b\000 /* offset=2814 */ "l3_cache_rd\000cache\000L3 cache access, read\000event=0x40\000\000 /* offset=2912 */ "segment_reg_loads.any\000other\000Number of segment register loads\0 /* offset=3014 */ "dispatch_blocked.any\000other\000Memory cluster signals to block micr /* offset=3147 */ "eist_trans\000other\000Number of Enhanced Intel SpeedStep(R) Technolo /* offset=3265 */ "hisi_sccl,ddrc\000" /* offset=3280 */ "uncore_hisi_ddrc.flux_wcmd\000uncore\000DDRC write commands\000eve /* offset=3350 */ "uncore_cbox\000" /* offset=3362 */ "unc_cbo_xsnp_response.miss_eviction\000uncore\000A cross-core snoo /* offset=3516 */ "event-hyphen\000uncore\000UNC_CBO_HYPHEN\000event=0xe0\000\00000 /* offset=3570 */ "event-two-hyph\000uncore\000UNC_CBO_TWO_HYPH\000event=0xc0\000\0 /* offset=3628 */ "hisi_sccl,l3c\000" /* offset=3642 */ "uncore_hisi_l3c.rd_hit_cpipe\000uncore\000Total read hits\000event /* offset=3710 */ "uncore_imc_free_running\000" /* offset=3734 */ "uncore_imc_free_running.cache_miss\000uncore\000Total cache misses /* offset=3814 */ "uncore_imc\000" /* offset=3825 */ "uncore_imc.cache_hits\000uncore\000Total cache hits\000event=0x34\ /* offset=3890 */ "uncore_sys_ddr_pmu\000" /* offset=3909 */ "sys_ddr_pmu.write_cycles\000uncore\000ddr write-cycles event\000ev /* offset=3985 */ "uncore_sys_ccn_pmu\000" /* offset=4004 */ "sys_ccn_pmu.read_cycles\000uncore\000ccn read-cycles event\000conf /* offset=4081 */ "uncore_sys_cmn_pmu\000" /* offset=4100 */ "sys_cmn_pmu.hnf_cache_miss\000uncore\000Counts total cache misses in /* offset=4243 */ "CPI\000\0001 / IPC\000\000\000\000\000\000\000\00000" /* offset=4265 */ "IPC\000group1\000inst_retired.any / cpu_clk_unhalted.thread\000\00 /* offset=4328 */ "Frontend_Bound_SMT\000\000idq_uops_not_delivered.core / (4 * (cpu_cl /* offset=4494 */ "dcache_miss_cpi\000\000l1d\\-loads\\-misses / inst_retired.any\000 /* offset=4558 */ "icache_miss_cycles\000\000l1i\\-loads\\-misses / inst_retired.any\ /* offset=4625 */ "cache_miss_cycles\000group1\000dcache_miss_cpi + icache_miss_cycle /* offset=4696 */ "DCache_L2_All_Hits\000\000l2_rqsts.demand_data_rd_hit + l2_rqsts.p /* offset=4790 */ "DCache_L2_All_Miss\000\000max(l2_rqsts.all_demand_data_rd - l2_rqs /* offset=4924 */ "DCache_L2_All\000\000DCache_L2_All_Hits + DCache_L2_All_Miss\000\0 /* offset=4988 */ "DCache_L2_Hits\000\000d_ratio(DCache_L2_All_Hits, DCache_L2_All)\ /* offset=5056 */ "DCache_L2_Misses\000\000d_ratio(DCache_L2_All_Miss, DCache_L2_All /* offset=5126 */ "M1\000\000ipc + M2\000\000\000\000\000\000\000\00000" /* offset=5148 */ "M2\000\000ipc + M1\000\000\000\000\000\000\000\00000" /* offset=5170 */ "M3\000\0001 / M3\000\000\000\000\000\000\000\00000" /* offset=5190 */ "L1D_Cache_Fill_BW\000\00064 * l1d.replacement / 1e9 / duration_time\00 ; static const struct compact_pmu_event pmu_events__common_software[] = { { 1035 }, /* alignment-faults\000software\000Number of kernel handled memory alignment fau { 1334 }, /* bpf-output\000software\000An event used by BPF programs to write to the perf ring b { 1436 }, /* cgroup-switches\000software\000Number of context switches to a task in a differe { 357 }, /* context-switches\000software\000Number of context switches [This event is an ali { 9 }, /* cpu-clock\000software\000Per-CPU high-resolution timer based event\000config=0 { 559 }, /* cpu-migrations\000software\000Number of times a process has migrated to a new CPU [ { 458 }, /* cs\000software\000Number of context switches [This event is an alias of context-sw { 1254 }, /* dummy\000software\000A placeholder event that doesn't count anything\000confi { 1127 }, /* emulation-faults\000software\000Number of kernel handled unimplemented instr { 167 }, /* faults\000software\000Number of page faults [This event is an alias of page-faults { 932 }, /* major-faults\000software\000Number of major page faults. Major faults require I/ { 691 }, /* migrations\000software\000Number of times a process has migrated to a new CPU [This { 823 }, /* minor-faults\000software\000Number of minor page faults. Minor faults don't requ { 262 }, /* page-faults\000software\000Number of page faults [This event is an alias of faults { 87 }, /* task-clock\000software\000Per-task high-resolution timer based event\000confi }; static const struct compact_pmu_event pmu_events__common_tool[] = { { 1544 }, /* duration_time\000tool\000Wall clock interval time in nanoseconds\000config=1 { 1758 }, /* has_pmem\000tool\0001 if persistent memory installed otherwise 0\000config=4\ { 1834 }, /* num_cores\000tool\000Number of cores. A core consists of 1 or more thread, with eac { 1979 }, /* num_cpus\000tool\000Number of logical Linux CPUs. There may be multiple such CPUs { 2082 }, /* num_cpus_online\000tool\000Number of online logical Linux CPUs. There may be mul { 2199 }, /* num_dies\000tool\000Number of dies. Each die has 1 or more cores\000config=8\000 { 2275 }, /* num_packages\000tool\000Number of packages. Each package has 1 or more die\000co { 2361 }, /* slots\000tool\000Number of functional units that in parallel can execute parts of { 2471 }, /* smt_on\000tool\0001 if simultaneous multithreading (aka hyperthreading) is ena { 1690 }, /* system_time\000tool\000System/kernel time in nanoseconds\000config=3\000\0 { 2578 }, /* system_tsc_freq\000tool\000The amount a Time Stamp Counter (TSC) increases per s { 1620 }, /* user_time\000tool\000User (non-kernel) time in nanoseconds\000config=2\000\ }; const struct pmu_table_entry pmu_events__common[] = { { .entries = pmu_events__common_software, .num_entries = ARRAY_SIZE(pmu_events__common_software), .pmu_name = { 0 /* software\000 */ }, }, { .entries = pmu_events__common_tool, .num_entries = ARRAY_SIZE(pmu_events__common_tool), .pmu_name = { 1539 /* tool\000 */ }, }, }; static const struct compact_pmu_event pmu_events__test_soc_cpu_default_core[] = { { 2690 }, /* bp_l1_btb_correct\000branch\000L1 BTB Correction\000event=0x8a\000\00000\ { 2752 }, /* bp_l2_btb_correct\000branch\000L2 BTB Correction\000event=0x8b\000\00000\ { 3014 }, /* dispatch_blocked.any\000other\000Memory cluster signals to block micro-op dis { 3147 }, /* eist_trans\000other\000Number of Enhanced Intel SpeedStep(R) Technology (EIST { 2814 }, /* l3_cache_rd\000cache\000L3 cache access, read\000event=0x40\000\00000\000\ { 2912 }, /* segment_reg_loads.any\000other\000Number of segment register loads\000event }; static const struct compact_pmu_event pmu_events__test_soc_cpu_hisi_sccl_ddrc[] = { { 3280 }, /* uncore_hisi_ddrc.flux_wcmd\000uncore\000DDRC write commands\000event=2\00 }; static const struct compact_pmu_event pmu_events__test_soc_cpu_hisi_sccl_l3c[] = { { 3642 }, /* uncore_hisi_l3c.rd_hit_cpipe\000uncore\000Total read hits\000event=7\000\ }; static const struct compact_pmu_event pmu_events__test_soc_cpu_uncore_cbox[] = { { 3516 }, /* event-hyphen\000uncore\000UNC_CBO_HYPHEN\000event=0xe0\000\00000\000\00 { 3570 }, /* event-two-hyph\000uncore\000UNC_CBO_TWO_HYPH\000event=0xc0\000\00000\00 { 3362 }, /* unc_cbo_xsnp_response.miss_eviction\000uncore\000A cross-core snoop result }; static const struct compact_pmu_event pmu_events__test_soc_cpu_uncore_imc[] = { { 3825 }, /* uncore_imc.cache_hits\000uncore\000Total cache hits\000event=0x34\000\000 }; static const struct compact_pmu_event pmu_events__test_soc_cpu_uncore_imc_free_runni { 3734 }, /* uncore_imc_free_running.cache_miss\000uncore\000Total cache misses\000eve }; const struct pmu_table_entry pmu_events__test_soc_cpu[] = { { .entries = pmu_events__test_soc_cpu_default_core, .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_default_core), .pmu_name = { 2677 /* default_core\000 */ }, }, { .entries = pmu_events__test_soc_cpu_hisi_sccl_ddrc, .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_hisi_sccl_ddrc), .pmu_name = { 3265 /* hisi_sccl,ddrc\000 */ }, }, { .entries = pmu_events__test_soc_cpu_hisi_sccl_l3c, .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_hisi_sccl_l3c), .pmu_name = { 3628 /* hisi_sccl,l3c\000 */ }, }, { .entries = pmu_events__test_soc_cpu_uncore_cbox, .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_uncore_cbox), .pmu_name = { 3350 /* uncore_cbox\000 */ }, }, { .entries = pmu_events__test_soc_cpu_uncore_imc, .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_uncore_imc), .pmu_name = { 3814 /* uncore_imc\000 */ }, }, { .entries = pmu_events__test_soc_cpu_uncore_imc_free_running, .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_uncore_imc_free_running), .pmu_name = { 3710 /* uncore_imc_free_running\000 */ }, }, }; static const struct compact_pmu_event pmu_metrics__test_soc_cpu_default_core[] = { { 4243 }, /* CPI\000\0001 / IPC\000\000\000\000\000\000\000\00000 */ { 4924 }, /* DCache_L2_All\000\000DCache_L2_All_Hits + DCache_L2_All_Miss\000\000\000\ { 4696 }, /* DCache_L2_All_Hits\000\000l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l { 4790 }, /* DCache_L2_All_Miss\000\000max(l2_rqsts.all_demand_data_rd - l2_rqsts.dema { 4988 }, /* DCache_L2_Hits\000\000d_ratio(DCache_L2_All_Hits, DCache_L2_All)\000\000 { 5056 }, /* DCache_L2_Misses\000\000d_ratio(DCache_L2_All_Miss, DCache_L2_All)\000\0 { 4328 }, /* Frontend_Bound_SMT\000\000idq_uops_not_delivered.core / (4 * (cpu_clk_unhal { 4265 }, /* IPC\000group1\000inst_retired.any / cpu_clk_unhalted.thread\000\000\000\0 { 5190 }, /* L1D_Cache_Fill_BW\000\00064 * l1d.replacement / 1e9 / duration_time\000\000\0 { 5126 }, /* M1\000\000ipc + M2\000\000\000\000\000\000\000\00000 */ { 5148 }, /* M2\000\000ipc + M1\000\000\000\000\000\000\000\00000 */ { 5170 }, /* M3\000\0001 / M3\000\000\000\000\000\000\000\00000 */ { 4625 }, /* cache_miss_cycles\000group1\000dcache_miss_cpi + icache_miss_cycles\000\0 { 4494 }, /* dcache_miss_cpi\000\000l1d\\-loads\\-misses / inst_retired.any\000\000\00 { 4558 }, /* icache_miss_cycles\000\000l1i\\-loads\\-misses / inst_retired.any\000\000 }; const struct pmu_table_entry pmu_metrics__test_soc_cpu[] = { { .entries = pmu_metrics__test_soc_cpu_default_core, .num_entries = ARRAY_SIZE(pmu_metrics__test_soc_cpu_default_core), .pmu_name = { 2677 /* default_core\000 */ }, }, }; static const struct compact_pmu_event pmu_events__test_soc_sys_uncore_sys_ccn_pmu[] = { 4004 }, /* sys_ccn_pmu.read_cycles\000uncore\000ccn read-cycles event\000config=0x2c }; static const struct compact_pmu_event pmu_events__test_soc_sys_uncore_sys_cmn_pmu[] = { 4100 }, /* sys_cmn_pmu.hnf_cache_miss\000uncore\000Counts total cache misses in first lo }; static const struct compact_pmu_event pmu_events__test_soc_sys_uncore_sys_ddr_pmu[] = { 3909 }, /* sys_ddr_pmu.write_cycles\000uncore\000ddr write-cycles event\000event=0x2 }; const struct pmu_table_entry pmu_events__test_soc_sys[] = { { .entries = pmu_events__test_soc_sys_uncore_sys_ccn_pmu, .num_entries = ARRAY_SIZE(pmu_events__test_soc_sys_uncore_sys_ccn_pmu), .pmu_name = { 3985 /* uncore_sys_ccn_pmu\000 */ }, }, { .entries = pmu_events__test_soc_sys_uncore_sys_cmn_pmu, .num_entries = ARRAY_SIZE(pmu_events__test_soc_sys_uncore_sys_cmn_pmu), .pmu_name = { 4081 /* uncore_sys_cmn_pmu\000 */ }, }, { .entries = pmu_events__test_soc_sys_uncore_sys_ddr_pmu, .num_entries = ARRAY_SIZE(pmu_events__test_soc_sys_uncore_sys_ddr_pmu), .pmu_name = { 3890 /* uncore_sys_ddr_pmu\000 */ }, }, }; /* Struct used to make the PMU event table implementation opaque to callers. */ struct pmu_events_table { const struct pmu_table_entry *pmus; uint32_t num_pmus; }; /* Struct used to make the PMU metric table implementation opaque to callers. */ struct pmu_metrics_table { const struct pmu_table_entry *pmus; uint32_t num_pmus; }; /* * Map a CPU to its table of PMU events. The CPU is identified by the * cpuid field, which is an arch-specific identifier for the CPU. * The identifier specified in tools/perf/pmu-events/arch/xxx/mapfile * must match the get_cpuid_str() in tools/perf/arch/xxx/util/header.c) * * The cpuid can contain any character other than the comma. */ struct pmu_events_map { const char *arch; const char *cpuid; struct pmu_events_table event_table; struct pmu_metrics_table metric_table; }; /* * Global table mapping each known CPU for the architecture to its * table of PMU events. */ const struct pmu_events_map pmu_events_map[] = { { .arch = "common", .cpuid = "common", .event_table = { .pmus = pmu_events__common, .num_pmus = ARRAY_SIZE(pmu_events__common), }, .metric_table = {}, }, { .arch = "testarch", .cpuid = "testcpu", .event_table = { .pmus = pmu_events__test_soc_cpu, .num_pmus = ARRAY_SIZE(pmu_events__test_soc_cpu), }, .metric_table = { .pmus = pmu_metrics__test_soc_cpu, .num_pmus = ARRAY_SIZE(pmu_metrics__test_soc_cpu), } }, { .arch = 0, .cpuid = 0, .event_table = { 0, 0 }, .metric_table = { 0, 0 }, } }; struct pmu_sys_events { const char *name; struct pmu_events_table event_table; struct pmu_metrics_table metric_table; }; static const struct pmu_sys_events pmu_sys_event_tables[] = { { .event_table = { .pmus = pmu_events__test_soc_sys, .num_pmus = ARRAY_SIZE(pmu_events__test_soc_sys) }, .name = "pmu_events__test_soc_sys", }, { .event_table = { 0, 0 }, .metric_table = { 0, 0 }, }, }; static void decompress_event(int offset, struct pmu_event *pe) { const char *p = &big_c_string[offset]; pe->name = (*p == '\0' ? NULL : p); while (*p++); pe->topic = (*p == '\0' ? NULL : p); while (*p++); pe->desc = (*p == '\0' ? NULL : p); while (*p++); pe->event = (*p == '\0' ? NULL : p); while (*p++); pe->compat = (*p == '\0' ? NULL : p); while (*p++); pe->deprecated = *p - '0'; p++; pe->perpkg = *p - '0'; p++; pe->unit = (*p == '\0' ? NULL : p); while (*p++); pe->retirement_latency_mean = (*p == '\0' ? NULL : p); while (*p++); pe->retirement_latency_min = (*p == '\0' ? NULL : p); while (*p++); pe->retirement_latency_max = (*p == '\0' ? NULL : p); while (*p++); pe->long_desc = (*p == '\0' ? NULL : p); } static void decompress_metric(int offset, struct pmu_metric *pm) { const char *p = &big_c_string[offset]; pm->metric_name = (*p == '\0' ? NULL : p); while (*p++); pm->metric_group = (*p == '\0' ? NULL : p); while (*p++); pm->metric_expr = (*p == '\0' ? NULL : p); while (*p++); pm->metric_threshold = (*p == '\0' ? NULL : p); while (*p++); pm->desc = (*p == '\0' ? NULL : p); while (*p++); pm->long_desc = (*p == '\0' ? NULL : p); while (*p++); pm->unit = (*p == '\0' ? NULL : p); while (*p++); pm->compat = (*p == '\0' ? NULL : p); while (*p++); pm->metricgroup_no_group = (*p == '\0' ? NULL : p); while (*p++); pm->default_metricgroup_name = (*p == '\0' ? NULL : p); while (*p++); pm->aggr_mode = *p - '0'; p++; pm->event_grouping = *p - '0'; } static int pmu_events_table__for_each_event_pmu(const struct pmu_events_table *table, const struct pmu_table_entry *pmu, pmu_event_iter_fn fn, void *data) { int ret; struct pmu_event pe = { .pmu = &big_c_string[pmu->pmu_name.offset], }; for (uint32_t i = 0; i < pmu->num_entries; i++) { decompress_event(pmu->entries[i].offset, &pe); if (!pe.name) continue; ret = fn(&pe, table, data); if (ret) return ret; } return 0; } static int pmu_events_table__find_event_pmu(const struct pmu_events_table *table, const struct pmu_table_entry *pmu, const char *name, pmu_event_iter_fn fn, void *data) { struct pmu_event pe = { .pmu = &big_c_string[pmu->pmu_name.offset], }; int low = 0, high = pmu->num_entries - 1; while (low <= high) { int cmp, mid = (low + high) / 2; decompress_event(pmu->entries[mid].offset, &pe); if (!pe.name && !name) goto do_call; if (!pe.name && name) { low = mid + 1; continue; } if (pe.name && !name) { high = mid - 1; continue; } cmp = strcasecmp(pe.name, name); if (cmp < 0) { low = mid + 1; continue; } if (cmp > 0) { high = mid - 1; continue; } do_call: return fn ? fn(&pe, table, data) : 0; } return PMU_EVENTS__NOT_FOUND; } int pmu_events_table__for_each_event(const struct pmu_events_table *table, struct perf_pmu *pmu, pmu_event_iter_fn fn, void *data) { for (size_t i = 0; i < table->num_pmus; i++) { const struct pmu_table_entry *table_pmu = &table->pmus[i]; const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; int ret; if (pmu && !perf_pmu__name_wildcard_match(pmu, pmu_name)) continue; ret = pmu_events_table__for_each_event_pmu(table, table_pmu, fn, data); if (ret) return ret; } return 0; } int pmu_events_table__find_event(const struct pmu_events_table *table, struct perf_pmu *pmu, const char *name, pmu_event_iter_fn fn, void *data) { for (size_t i = 0; i < table->num_pmus; i++) { const struct pmu_table_entry *table_pmu = &table->pmus[i]; const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; int ret; if (pmu && !perf_pmu__name_wildcard_match(pmu, pmu_name)) continue; ret = pmu_events_table__find_event_pmu(table, table_pmu, name, fn, data); if (ret != PMU_EVENTS__NOT_FOUND) return ret; } return PMU_EVENTS__NOT_FOUND; } size_t pmu_events_table__num_events(const struct pmu_events_table *table, struct perf_pmu *pmu) { size_t count = 0; for (size_t i = 0; i < table->num_pmus; i++) { const struct pmu_table_entry *table_pmu = &table->pmus[i]; const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; if (perf_pmu__name_wildcard_match(pmu, pmu_name)) count += table_pmu->num_entries; } return count; } static int pmu_metrics_table__for_each_metric_pmu(const struct pmu_metrics_table *tab const struct pmu_table_entry *pmu, pmu_metric_iter_fn fn, void *data) { int ret; struct pmu_metric pm = { .pmu = &big_c_string[pmu->pmu_name.offset], }; for (uint32_t i = 0; i < pmu->num_entries; i++) { decompress_metric(pmu->entries[i].offset, &pm); if (!pm.metric_expr) continue; ret = fn(&pm, table, data); if (ret) return ret; } return 0; } static int pmu_metrics_table__find_metric_pmu(const struct pmu_metrics_table *table, const struct pmu_table_entry *pmu, const char *metric, pmu_metric_iter_fn fn, void *data) { struct pmu_metric pm = { .pmu = &big_c_string[pmu->pmu_name.offset], }; int low = 0, high = pmu->num_entries - 1; while (low <= high) { int cmp, mid = (low + high) / 2; decompress_metric(pmu->entries[mid].offset, &pm); if (!pm.metric_name && !metric) goto do_call; if (!pm.metric_name && metric) { low = mid + 1; continue; } if (pm.metric_name && !metric) { high = mid - 1; continue; } cmp = strcmp(pm.metric_name, metric); if (cmp < 0) { low = mid + 1; continue; } if (cmp > 0) { high = mid - 1; continue; } do_call: return fn ? fn(&pm, table, data) : 0; } return PMU_METRICS__NOT_FOUND; } int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table, pmu_metric_iter_fn fn, void *data) { for (size_t i = 0; i < table->num_pmus; i++) { int ret = pmu_metrics_table__for_each_metric_pmu(table, &table->pmus[i], fn, data); if (ret) return ret; } return 0; } int pmu_metrics_table__find_metric(const struct pmu_metrics_table *table, struct perf_pmu *pmu, const char *metric, pmu_metric_iter_fn fn, void *data) { for (size_t i = 0; i < table->num_pmus; i++) { const struct pmu_table_entry *table_pmu = &table->pmus[i]; const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; int ret; if (pmu && !perf_pmu__name_wildcard_match(pmu, pmu_name)) continue; ret = pmu_metrics_table__find_metric_pmu(table, table_pmu, metric, fn, data); if (ret != PMU_METRICS__NOT_FOUND) return ret; } return PMU_METRICS__NOT_FOUND; } static const struct pmu_events_map *map_for_cpu(struct perf_cpu cpu) { static struct { const struct pmu_events_map *map; struct perf_cpu cpu; } last_result; static struct { const struct pmu_events_map *map; char *cpuid; } last_map_search; static bool has_last_result, has_last_map_search; const struct pmu_events_map *map = NULL; char *cpuid = NULL; size_t i; if (has_last_result && last_result.cpu.cpu == cpu.cpu) return last_result.map; cpuid = get_cpuid_allow_env_override(cpu); /* * On some platforms which uses cpus map, cpuid can be NULL for * PMUs other than CORE PMUs. */ if (!cpuid) goto out_update_last_result; if (has_last_map_search && !strcmp(last_map_search.cpuid, cpuid)) { map = last_map_search.map; free(cpuid); } else { i = 0; for (;;) { map = &pmu_events_map[i++]; if (!map->arch) { map = NULL; break; } if (!strcmp_cpuid_str(map->cpuid, cpuid)) break; } free(last_map_search.cpuid); last_map_search.cpuid = cpuid; last_map_search.map = map; has_last_map_search = true; } out_update_last_result: last_result.cpu = cpu; last_result.map = map; has_last_result = true; return map; } static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu) { struct perf_cpu cpu = {-1}; if (pmu) { for (size_t i = 0; i < ARRAY_SIZE(pmu_events__common); i++) { const char *pmu_name = &big_c_string[pmu_events__common[i].pmu_name.offset]; if (!strcmp(pmu_name, pmu->name)) { const struct pmu_events_map *map = &pmu_events_map[0]; while (strcmp("common", map->arch)) map++; return map; } } cpu = perf_cpu_map__min(pmu->cpus); } return map_for_cpu(cpu); } const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu) { const struct pmu_events_map *map = map_for_pmu(pmu); if (!map) return NULL; if (!pmu) return &map->event_table; for (size_t i = 0; i < map->event_table.num_pmus; i++) { const struct pmu_table_entry *table_pmu = &map->event_table.pmus[i]; const char *pmu_name = &big_c_string[table_pmu->pmu_name.offset]; if (perf_pmu__name_wildcard_match(pmu, pmu_name)) return &map->event_table; } return NULL; } const struct pmu_metrics_table *pmu_metrics_table__find(void) { struct perf_cpu cpu = {-1}; const struct pmu_events_map *map = map_for_cpu(cpu); return map ? &map->metric_table : NULL; } const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpui { for (const struct pmu_events_map *tables = &pmu_events_map[0]; tables->arch; tables++) { if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid)) return &tables->event_table; } return NULL; } const struct pmu_metrics_table *find_core_metrics_table(const char *arch, const char *cp { for (const struct pmu_events_map *tables = &pmu_events_map[0]; tables->arch; tables++) { if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid)) return &tables->metric_table; } return NULL; } int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data) { for (const struct pmu_events_map *tables = &pmu_events_map[0]; tables->arch; tables++) { int ret = pmu_events_table__for_each_event(&tables->event_table, /*pmu=*/ NULL, fn, data); if (ret) return ret; } return 0; } int pmu_for_each_core_metric(pmu_metric_iter_fn fn, void *data) { for (const struct pmu_events_map *tables = &pmu_events_map[0]; tables->arch; tables++) { int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data); if (ret) return ret; } return 0; } const struct pmu_events_table *find_sys_events_table(const char *name) { for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0]; tables->name; tables++) { if (!strcmp(tables->name, name)) return &tables->event_table; } return NULL; } int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data) { for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0]; tables->name; tables++) { int ret = pmu_events_table__for_each_event(&tables->event_table, /*pmu=*/ NULL, fn, data); if (ret) return ret; } return 0; } int pmu_for_each_sys_metric(pmu_metric_iter_fn fn, void *data) { for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0]; tables->name; tables++) { int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data); if (ret) return ret; } return 0; } static const int metricgroups[][2] = { }; const char *describe_metricgroup(const char *group) { int low = 0, high = (int)ARRAY_SIZE(metricgroups) - 1; while (low <= high) { int mid = (low + high) / 2; const char *mgroup = &big_c_string[metricgroups[mid][0]]; int cmp = strcmp(mgroup, group); if (cmp == 0) { return &big_c_string[metricgroups[mid][1]]; } else if (cmp < 0) { low = mid + 1; } else { high = mid - 1; } } return NULL; }
¤ Dauer der Verarbeitung: 0.11 Sekunden ¤*© Formatika GbR, Deutschland |
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2026-04-04