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libpmc: add pmu support for uncore events

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This commit is contained in:
Matt Macy 2018-05-31 22:26:50 +00:00
parent 2c87bdc706
commit 785dd70da8
1 changed files with 20 additions and 4 deletions
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24
lib/libpmc/libpmc_pmu_util.c
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@ -63,6 +63,18 @@ static struct pmu_alias pmu_alias_table[] = {
{NULL, NULL},
};
#ifdef notyet
static struct pmc_event_alias core2_aliases_without_iaf[] = {
EV_ALIAS("branches", "iap-br-inst-retired.any"),
EV_ALIAS("branch-mispredicts", "iap-br-inst-retired.mispred"),
EV_ALIAS("cycles", "tsc-tsc"),
EV_ALIAS("ic-misses", "iap-l1i-misses"),
EV_ALIAS("instructions", "iap-inst-retired.any_p"),
EV_ALIAS("interrupts", "iap-hw-int-rcv"),
EV_ALIAS("unhalted-cycles", "iap-cpu-clk-unhalted.core_p"),
EV_ALIAS(NULL, NULL)
};
#endif
static const char *fixed_mode_cntrs[] = {
"inst_retired.any",
"cpu_clk_unhalted.thread",
@ -300,7 +312,6 @@ pmc_pmu_pmcallocate(const char *event_name, struct pmc_op_pmcallocate *pm)
int idx, isfixed;
iap = &pm->pm_md.pm_iap;
iaf = &pm->pm_md.pm_iaf;
isfixed = 0;
bzero(iap, sizeof(*iap));
event_name = pmu_alias_get(event_name);
@ -318,6 +329,8 @@ pmc_pmu_pmcallocate(const char *event_name, struct pmc_op_pmcallocate *pm)
if (strcmp(fixed_mode_cntrs[idx], event_name) == 0)
isfixed = 1;
if (isfixed) {
iaf = &pm->pm_md.pm_iaf;
pm->pm_class = PMC_CLASS_IAF;
if (strcasestr(pe->desc, "retired") != NULL)
pm->pm_ev = PMC_EV_IAF_INSTR_RETIRED_ANY;
else if (strcasestr(pe->desc, "core") != NULL ||
@ -330,11 +343,14 @@ pmc_pmu_pmcallocate(const char *event_name, struct pmc_op_pmcallocate *pm)
iaf->pm_iaf_flags |= IAF_ANY;
if (pm->pm_caps & PMC_CAP_INTERRUPT)
iaf->pm_iaf_flags |= IAF_PMI;
pm->pm_class = PMC_CLASS_IAF;
return (0);
} else if (strcasestr(event_name, "UNC_") == event_name ||
strcasestr(event_name, "uncore") != NULL) {
pm->pm_class = PMC_CLASS_UCP;
} else {
pm->pm_caps |= PMC_CAP_QUALIFIER;
pm->pm_class = PMC_CLASS_IAP;
}
pm->pm_caps |= PMC_CAP_QUALIFIER;
pm->pm_class = PMC_CLASS_IAP;
pm->pm_ev = idx;
iap->pm_iap_config |= IAP_EVSEL(ped.ped_event);
iap->pm_iap_config |= IAP_UMASK(ped.ped_umask);