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libpmc: bring pmu_util closer in line with style(9)

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This commit is contained in:
Matt Macy 2018-05-30 03:40:02 +00:00
parent e445381f13
commit 8b20f97570
1 changed files with 73 additions and 39 deletions
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112
lib/libpmc/libpmc_pmu_util.c
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@ -46,21 +46,21 @@ struct pmu_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 },
{"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 *fixed_mode_cntrs[] = {
@ -89,13 +89,13 @@ struct pmu_event_desc {
uint32_t ped_frontend;
uint32_t ped_ldlat;
uint32_t ped_config1;
uint8_t ped_umask;
uint8_t ped_cmask;
uint8_t ped_any;
uint8_t ped_inv;
uint8_t ped_edge;
uint8_t ped_fc_mask;
uint8_t ped_ch_mask;
uint8_t ped_umask;
uint8_t ped_cmask;
uint8_t ped_any;
uint8_t ped_inv;
uint8_t ped_edge;
uint8_t ped_fc_mask;
uint8_t ped_ch_mask;
};
static const struct pmu_events_map *
@ -106,10 +106,10 @@ pmu_events_map_get(void)
const struct pmu_events_map *pme;
if (sysctlbyname("kern.hwpmc.cpuid", (void *)NULL, &s,
(void *)NULL, 0) == -1)
(void *)NULL, 0) == -1)
return (NULL);
if (sysctlbyname("kern.hwpmc.cpuid", buf, &s,
(void *)NULL, 0) == -1)
(void *)NULL, 0) == -1)
return (NULL);
for (pme = pmu_events_map; pme->cpuid != NULL; pme++)
if (strcmp(buf, pme->cpuid) == 0)
@ -147,8 +147,7 @@ pmc_pmu_event_get_by_idx(int idx)
if ((pme = pmu_events_map_get()) == NULL)
return (NULL);
for (i = 0, pe = pme->table; (pe->name || pe->desc || pe->event) && i < idx; pe++, i++)
;
for (i = 0, pe = pme->table; (pe->name || pe->desc || pe->event) && i < idx; pe++, i++);
return (pe->name);
}
@ -237,7 +236,7 @@ pmc_pmu_print_counters(void)
struct pmu_event_desc ped;
char *debug;
int do_debug;
debug = getenv("PMUDEBUG");
do_debug = 0;
@ -266,8 +265,8 @@ pmc_pmu_print_counter_desc(const char *ev)
if (pe->name == NULL)
continue;
if (strcasestr(pe->name, ev) != NULL &&
pe->desc != NULL)
printf("%s:\t%s\n", pe->name, pe->desc);
pe->desc != NULL)
printf("%s:\t%s\n", pe->name, pe->desc);
}
}
@ -318,12 +317,11 @@ pmc_pmu_pmcallocate(const char *event_name, struct pmc_op_pmcallocate *pm)
for (idx = 0; fixed_mode_cntrs[idx] != NULL; idx++)
if (strcmp(fixed_mode_cntrs[idx], event_name) == 0)
isfixed = 1;
if (isfixed) {
if (strcasestr(pe->desc, "retired") != NULL)
pm->pm_ev = PMC_EV_IAF_INSTR_RETIRED_ANY;
else if (strcasestr(pe->desc, "core") != NULL ||
strcasestr(pe->desc, "unhalted"))
strcasestr(pe->desc, "unhalted"))
pm->pm_ev = PMC_EV_IAF_CPU_CLK_UNHALTED_CORE;
else if (strcasestr(pe->desc, "ref") != NULL)
pm->pm_ev = PMC_EV_IAF_CPU_CLK_UNHALTED_REF;
@ -378,13 +376,49 @@ pmc_pmu_stat_mode(const char ***cntrs)
}
#else
uint64_t pmc_pmu_sample_rate_get(const char *event_name __unused) { return (DEFAULT_SAMPLE_COUNT); }
void pmc_pmu_print_counters(void) {}
void pmc_pmu_print_counter_desc(const char *e __unused) {}
void pmc_pmu_print_counter_desc_long(const char *e __unused) {}
int pmc_pmu_enabled(void) { return (0); }
int pmc_pmu_pmcallocate(const char *e __unused, struct pmc_op_pmcallocate *p __unused) { return (EOPNOTSUPP); }
const char *pmc_pmu_event_get_by_idx(int idx __unused) { return (NULL); }
int pmc_pmu_stat_mode(const char ***a __unused) { return (EOPNOTSUPP); }
uint64_t
pmc_pmu_sample_rate_get(const char *event_name __unused)
{
return (DEFAULT_SAMPLE_COUNT);
}
void
pmc_pmu_print_counters(void)
{
}
void
pmc_pmu_print_counter_desc(const char *e __unused)
{
}
void
pmc_pmu_print_counter_desc_long(const char *e __unused)
{
}
int
pmc_pmu_enabled(void)
{
return (0);
}
int
pmc_pmu_pmcallocate(const char *e __unused, struct pmc_op_pmcallocate *p __unused)
{
return (EOPNOTSUPP);
}
const char *
pmc_pmu_event_get_by_idx(int idx __unused)
{
return (NULL);
}
int
pmc_pmu_stat_mode(const char ***a __unused)
{
return (EOPNOTSUPP);
}
#endif