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libpmc: allow substring for list and add function for printing event details

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This commit is contained in:
Matt Macy 2018-06-01 00:45:53 +00:00
parent cfb0dfa3c2
commit fbf962e6bb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=334464
3 changed files with 50 additions and 4 deletions
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49
lib/libpmc/libpmc_pmu_util.c
View File

@ -235,7 +235,7 @@ pmc_pmu_enabled(void)
}
void
pmc_pmu_print_counters(void)
pmc_pmu_print_counters(const char *event_name)
{
const struct pmu_events_map *pme;
const struct pmu_event *pe;
@ -253,6 +253,8 @@ pmc_pmu_print_counters(void)
for (pe = pme->table; pe->name || pe->desc || pe->event; pe++) {
if (pe->name == NULL)
continue;
if (event_name != NULL && strcasestr(pe->name, event_name) == NULL)
continue;
printf("\t%s\n", pe->name);
if (do_debug)
pmu_parse_event(&ped, pe->event);
@ -296,6 +298,43 @@ pmc_pmu_print_counter_desc_long(const char *ev)
}
}
void
pmc_pmu_print_counter_full(const char *ev)
{
const struct pmu_events_map *pme;
const struct pmu_event *pe;
if ((pme = pmu_events_map_get()) == NULL)
return;
for (pe = pme->table; pe->name || pe->desc || pe->event; pe++) {
if (pe->name == NULL)
continue;
if (strcasestr(pe->name, ev) == NULL)
continue;
printf("name: %s\n", pe->name);
if (pe->long_desc != NULL)
printf("desc: %s\n", pe->long_desc);
else if (pe->desc != NULL)
printf("desc: %s\n", pe->desc);
if (pe->event != NULL)
printf("event: %s\n", pe->event);
if (pe->topic != NULL)
printf("topic: %s\n", pe->topic);
if (pe->pmu != NULL)
printf("pmu: %s\n", pe->pmu);
if (pe->unit != NULL)
printf("unit: %s\n", pe->unit);
if (pe->perpkg != NULL)
printf("perpkg: %s\n", pe->perpkg);
if (pe->metric_expr != NULL)
printf("metric_expr: %s\n", pe->metric_expr);
if (pe->metric_name != NULL)
printf("metric_name: %s\n", pe->metric_name);
if (pe->metric_group != NULL)
printf("metric_group: %s\n", pe->metric_group);
}
}
int
pmc_pmu_pmcallocate(const char *event_name, struct pmc_op_pmcallocate *pm)
{
@ -394,7 +433,7 @@ pmc_pmu_sample_rate_get(const char *event_name __unused)
}
void
pmc_pmu_print_counters(void)
pmc_pmu_print_counters(const char *event_name __unused)
{
}
@ -408,6 +447,12 @@ pmc_pmu_print_counter_desc_long(const char *e __unused)
{
}
void
pmc_pmu_print_counter_full(const char *e __unused)
{
}
int
pmc_pmu_enabled(void)
{

3
lib/libpmc/pmc.h
View File

@ -114,9 +114,10 @@ int pmc_event_names_of_class(enum pmc_class _cl, const char ***_eventnames,
int *_nevents);
int pmc_pmu_enabled(void);
void pmc_pmu_print_counters(void);
void pmc_pmu_print_counters(const char *);
void pmc_pmu_print_counter_desc(const char *);
void pmc_pmu_print_counter_desc_long(const char *);
void pmc_pmu_print_counter_full(const char *);
uint64_t pmc_pmu_sample_rate_get(const char *);
int pmc_pmu_pmcallocate(const char *, struct pmc_op_pmcallocate *);
const char *pmc_pmu_event_get_by_idx(int idx);

2
usr.sbin/pmcstat/pmcstat.c
View File

@ -820,7 +820,7 @@ main(int argc, char **argv)
pmc_pmu_enabled() == 0)
errx(EX_USAGE, "pmu features not supported on host or hwpmc not loaded");
if (do_listcounters) {
pmc_pmu_print_counters();
pmc_pmu_print_counters(NULL);
} else if (do_descr) {
pmc_pmu_print_counter_desc(event);
} else if (do_long_descr) {