2021-04-27 15:01:26 +08:00
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// SPDX-License-Identifier: GPL-2.0-only
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#include <errno.h>
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#include <inttypes.h>
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#include "cpumap.h"
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#include "evlist.h"
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#include "evsel.h"
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#include "../perf.h"
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#include "util/pmu-hybrid.h"
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#include "util/evlist-hybrid.h"
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2021-04-27 15:01:29 +08:00
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#include "debug.h"
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2021-04-27 15:01:26 +08:00
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#include <unistd.h>
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#include <stdlib.h>
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#include <linux/err.h>
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#include <linux/string.h>
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#include <perf/evlist.h>
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#include <perf/evsel.h>
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#include <perf/cpumap.h>
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int evlist__add_default_hybrid(struct evlist *evlist, bool precise)
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{
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struct evsel *evsel;
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struct perf_pmu *pmu;
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__u64 config;
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struct perf_cpu_map *cpus;
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perf_pmu__for_each_hybrid_pmu(pmu) {
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config = PERF_COUNT_HW_CPU_CYCLES |
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((__u64)pmu->type << PERF_PMU_TYPE_SHIFT);
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evsel = evsel__new_cycles(precise, PERF_TYPE_HARDWARE,
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config);
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if (!evsel)
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return -ENOMEM;
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cpus = perf_cpu_map__get(pmu->cpus);
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evsel->core.cpus = cpus;
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evsel->core.own_cpus = perf_cpu_map__get(cpus);
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evsel->pmu_name = strdup(pmu->name);
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evlist__add(evlist, evsel);
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}
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return 0;
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}
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2021-04-27 15:01:29 +08:00
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static bool group_hybrid_conflict(struct evsel *leader)
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{
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struct evsel *pos, *prev = NULL;
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for_each_group_evsel(pos, leader) {
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if (!evsel__is_hybrid(pos))
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continue;
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if (prev && strcmp(prev->pmu_name, pos->pmu_name))
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return true;
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prev = pos;
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}
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return false;
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}
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void evlist__warn_hybrid_group(struct evlist *evlist)
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{
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struct evsel *evsel;
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evlist__for_each_entry(evlist, evsel) {
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if (evsel__is_group_leader(evsel) &&
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evsel->core.nr_members > 1 &&
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group_hybrid_conflict(evsel)) {
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pr_warning("WARNING: events in group from "
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"different hybrid PMUs!\n");
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return;
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}
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}
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}
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bool evlist__has_hybrid(struct evlist *evlist)
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{
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struct evsel *evsel;
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evlist__for_each_entry(evlist, evsel) {
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if (evsel->pmu_name &&
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perf_pmu__is_hybrid(evsel->pmu_name)) {
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return true;
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}
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}
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return false;
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}
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