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2ca0a3718d
Passing the number of CPUs and threads allows for an evsel's counts to be mismatched to its cpu map. To avoid this always derive the counts size from the cpu map. Change openat-syscall-all-cpus to set the cpus to allow for this to work. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: John Garry <john.garry@huawei.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Clarke <pc@us.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Riccardo Mancini <rickyman7@gmail.com> Cc: Stephane Eranian <eranian@google.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Vineet Singh <vineet.singh@intel.com> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Cc: zhengjun.xing@intel.com Link: https://lore.kernel.org/r/20220105061351.120843-27-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
73 lines
1.5 KiB
C
73 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include "evsel.h"
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#include "counts.h"
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#include <perf/threadmap.h>
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#include <linux/zalloc.h>
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struct perf_counts *perf_counts__new(int ncpus, int nthreads)
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{
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struct perf_counts *counts = zalloc(sizeof(*counts));
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if (counts) {
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struct xyarray *values;
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values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values));
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if (!values) {
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free(counts);
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return NULL;
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}
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counts->values = values;
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values = xyarray__new(ncpus, nthreads, sizeof(bool));
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if (!values) {
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xyarray__delete(counts->values);
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free(counts);
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return NULL;
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}
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counts->loaded = values;
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}
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return counts;
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}
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void perf_counts__delete(struct perf_counts *counts)
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{
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if (counts) {
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xyarray__delete(counts->loaded);
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xyarray__delete(counts->values);
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free(counts);
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}
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}
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void perf_counts__reset(struct perf_counts *counts)
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{
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xyarray__reset(counts->loaded);
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xyarray__reset(counts->values);
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memset(&counts->aggr, 0, sizeof(struct perf_counts_values));
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}
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void evsel__reset_counts(struct evsel *evsel)
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{
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perf_counts__reset(evsel->counts);
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}
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int evsel__alloc_counts(struct evsel *evsel)
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{
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struct perf_cpu_map *cpus = evsel__cpus(evsel);
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int nthreads = perf_thread_map__nr(evsel->core.threads);
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evsel->counts = perf_counts__new(cpus ? cpus->nr : 1, nthreads);
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return evsel->counts != NULL ? 0 : -ENOMEM;
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}
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void evsel__free_counts(struct evsel *evsel)
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{
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perf_counts__delete(evsel->counts);
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evsel->counts = NULL;
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}
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