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libpmcstat: import aliases table and bug fixes

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This commit is contained in:
Matt Macy 2018-05-24 06:47:40 +00:00
parent 4bd2a4b58e
commit f2597cf756
1 changed files with 40 additions and 3 deletions
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43
lib/libpmcstat/libpmcstat_pmu_util.c
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@ -42,6 +42,39 @@
#include "pmu-events/pmu-events.h"
#if defined(__amd64__)
struct pmu_alias {
const char *pa_alias;
const char *pa_name;
};
static struct pmu_alias pmu_alias_table[] = {
{ "UNHALTED_CORE_CYCLES", "CPU_CLK_UNHALTED.THREAD_P_ANY"},
{ "UNHALTED-CORE-CYCLES", "CPU_CLK_UNHALTED.THREAD_P_ANY"},
{ "LLC_MISSES", "LONGEST_LAT_CACHE.MISS"},
{ "LLC-MISSES", "LONGEST_LAT_CACHE.MISS"},
{ "LLC_REFERENCE", "LONGEST_LAT_CACHE.REFERENCE"},
{ "LLC-REFERENCE", "LONGEST_LAT_CACHE.REFERENCE"},
{ "LLC_MISS_RHITM", "mem_load_l3_miss_retired.remote_hitm"},
{ "LLC-MISS-RHITM", "mem_load_l3_miss_retired.remote_hitm"},
{ "RESOURCE_STALL", "RESOURCE_STALLS.ANY"},
{ "RESOURCE_STALLS_ANY", "RESOURCE_STALLS.ANY"},
{ "BRANCH_INSTRUCTION_RETIRED", "BR_INST_RETIRED.ALL_BRANCHES"},
{ "BRANCH-INSTRUCTION-RETIRED", "BR_INST_RETIRED.ALL_BRANCHES"},
{ "BRANCH_MISSES_RETIRED", "BR_MISP_RETIRED.ALL_BRANCHES"},
{ "BRANCH-MISSES-RETIRED", "BR_MISP_RETIRED.ALL_BRANCHES"},
{ NULL, NULL },
};
static const char *
pmu_alias_get(const char *name)
{
struct pmu_alias *pa;
for (pa = pmu_alias_table; pa->pa_alias != NULL; pa++)
if (strcasecmp(name, pa->pa_alias) == 0)
return (pa->pa_name);
return (name);
}
struct pmu_event_desc {
uint32_t ped_umask;
uint32_t ped_event;
@ -75,9 +108,12 @@ pmu_event_get(const char *event_name)
if ((pme = pmu_events_map_get()) == NULL)
return (NULL);
for (pe = pme->table; pe->name != NULL; pe++)
if (strcmp(pe->name, event_name) == 0)
for (pe = pme->table; pe->name || pe->desc || pe->event; pe++) {
if (pe->name == NULL)
continue;
if (strcasecmp(pe->name, event_name) == 0)
return (pe);
}
return (NULL);
}
@ -100,7 +136,7 @@ pmu_parse_event(struct pmu_event_desc *ped, const char *eventin)
if (strcmp(key, "event") == 0)
ped->ped_event = strtol(value, NULL, 16);
if (strcmp(key, "period") == 0)
ped->ped_umask = strtol(value, NULL, 10);
ped->ped_period = strtol(value, NULL, 10);
}
free(event);
return (0);
@ -112,6 +148,7 @@ pmcstat_pmu_sample_rate_get(const char *event_name)
const struct pmu_event *pe;
struct pmu_event_desc ped;
event_name = pmu_alias_get(event_name);
if ((pe = pmu_event_get(event_name)) == NULL)
return (DEFAULT_SAMPLE_COUNT);
if (pe->alias && (pe = pmu_event_get(pe->alias)) == NULL)