diff options
Diffstat (limited to 'tools/perf/util/evlist-hybrid.c')
| -rw-r--r-- | tools/perf/util/evlist-hybrid.c | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/tools/perf/util/evlist-hybrid.c b/tools/perf/util/evlist-hybrid.c deleted file mode 100644 index 57f02beef023..000000000000 --- a/tools/perf/util/evlist-hybrid.c +++ /dev/null @@ -1,162 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -#include <errno.h> -#include <inttypes.h> -#include "cpumap.h" -#include "evlist.h" -#include "evsel.h" -#include "../perf.h" -#include "util/pmu-hybrid.h" -#include "util/evlist-hybrid.h" -#include "debug.h" -#include <unistd.h> -#include <stdlib.h> -#include <linux/err.h> -#include <linux/string.h> -#include <perf/evlist.h> -#include <perf/evsel.h> -#include <perf/cpumap.h> - -int evlist__add_default_hybrid(struct evlist *evlist, bool precise) -{ - struct evsel *evsel; - struct perf_pmu *pmu; - __u64 config; - struct perf_cpu_map *cpus; - - perf_pmu__for_each_hybrid_pmu(pmu) { - config = PERF_COUNT_HW_CPU_CYCLES | - ((__u64)pmu->type << PERF_PMU_TYPE_SHIFT); - evsel = evsel__new_cycles(precise, PERF_TYPE_HARDWARE, - config); - if (!evsel) - return -ENOMEM; - - cpus = perf_cpu_map__get(pmu->cpus); - evsel->core.cpus = cpus; - evsel->core.own_cpus = perf_cpu_map__get(cpus); - evsel->pmu_name = strdup(pmu->name); - evlist__add(evlist, evsel); - } - - return 0; -} - -static bool group_hybrid_conflict(struct evsel *leader) -{ - struct evsel *pos, *prev = NULL; - - for_each_group_evsel(pos, leader) { - if (!evsel__is_hybrid(pos)) - continue; - - if (prev && strcmp(prev->pmu_name, pos->pmu_name)) - return true; - - prev = pos; - } - - return false; -} - -void evlist__warn_hybrid_group(struct evlist *evlist) -{ - struct evsel *evsel; - - evlist__for_each_entry(evlist, evsel) { - if (evsel__is_group_leader(evsel) && - evsel->core.nr_members > 1 && - group_hybrid_conflict(evsel)) { - pr_warning("WARNING: events in group from " - "different hybrid PMUs!\n"); - return; - } - } -} - -bool evlist__has_hybrid(struct evlist *evlist) -{ - struct evsel *evsel; - - evlist__for_each_entry(evlist, evsel) { - if (evsel->pmu_name && - perf_pmu__is_hybrid(evsel->pmu_name)) { - return true; - } - } - - return false; -} - -int evlist__fix_hybrid_cpus(struct evlist *evlist, const char *cpu_list) -{ - struct perf_cpu_map *cpus; - struct evsel *evsel, *tmp; - struct perf_pmu *pmu; - int ret, unmatched_count = 0, events_nr = 0; - - if (!perf_pmu__has_hybrid() || !cpu_list) - return 0; - - cpus = perf_cpu_map__new(cpu_list); - if (!cpus) - return -1; - - /* - * The evsels are created with hybrid pmu's cpus. But now we - * need to check and adjust the cpus of evsel by cpu_list because - * cpu_list may cause conflicts with cpus of evsel. For example, - * cpus of evsel is cpu0-7, but the cpu_list is cpu6-8, we need - * to adjust the cpus of evsel to cpu6-7. And then propatate maps - * in evlist__create_maps(). - */ - evlist__for_each_entry_safe(evlist, tmp, evsel) { - struct perf_cpu_map *matched_cpus, *unmatched_cpus; - char buf1[128], buf2[128]; - - pmu = perf_pmu__find_hybrid_pmu(evsel->pmu_name); - if (!pmu) - continue; - - ret = perf_pmu__cpus_match(pmu, cpus, &matched_cpus, - &unmatched_cpus); - if (ret) - goto out; - - events_nr++; - - if (perf_cpu_map__nr(matched_cpus) > 0 && - (perf_cpu_map__nr(unmatched_cpus) > 0 || - perf_cpu_map__nr(matched_cpus) < perf_cpu_map__nr(cpus) || - perf_cpu_map__nr(matched_cpus) < perf_cpu_map__nr(pmu->cpus))) { - perf_cpu_map__put(evsel->core.cpus); - perf_cpu_map__put(evsel->core.own_cpus); - evsel->core.cpus = perf_cpu_map__get(matched_cpus); - evsel->core.own_cpus = perf_cpu_map__get(matched_cpus); - - if (perf_cpu_map__nr(unmatched_cpus) > 0) { - cpu_map__snprint(matched_cpus, buf1, sizeof(buf1)); - pr_warning("WARNING: use %s in '%s' for '%s', skip other cpus in list.\n", - buf1, pmu->name, evsel->name); - } - } - - if (perf_cpu_map__nr(matched_cpus) == 0) { - evlist__remove(evlist, evsel); - evsel__delete(evsel); - - cpu_map__snprint(cpus, buf1, sizeof(buf1)); - cpu_map__snprint(pmu->cpus, buf2, sizeof(buf2)); - pr_warning("WARNING: %s isn't a '%s', please use a CPU list in the '%s' range (%s)\n", - buf1, pmu->name, pmu->name, buf2); - unmatched_count++; - } - - perf_cpu_map__put(matched_cpus); - perf_cpu_map__put(unmatched_cpus); - } - if (events_nr) - ret = (unmatched_count == events_nr) ? -1 : 0; -out: - perf_cpu_map__put(cpus); - return ret; -} |