diff options
| -rw-r--r-- | tools/perf/builtin-stat.c | 2 | ||||
| -rw-r--r-- | tools/perf/tests/openat-syscall.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/stat.c | 31 | ||||
| -rw-r--r-- | tools/perf/util/stat.h | 7 |
4 files changed, 28 insertions, 14 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 49b90374232c..055ce83dd6f2 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -218,7 +218,7 @@ static void perf_stat__reset_stats(struct perf_evlist *evlist) evlist__for_each(evlist, evsel) { perf_evsel__reset_stat_priv(evsel); - perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel)); + perf_evsel__reset_counts(evsel); } perf_stat__reset_shadow_stats(); diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c index e86fc477a74f..bd882f09ebbc 100644 --- a/tools/perf/tests/openat-syscall.c +++ b/tools/perf/tests/openat-syscall.c @@ -46,7 +46,7 @@ int test__openat_syscall_event(void) if (perf_counts(evsel->counts, 0)->val != nr_openat_calls) { pr_debug("perf_evsel__read_on_cpu: expected to intercept %d calls, got %" PRIu64 "\n", - nr_openat_calls, evsel->counts->cpu[0].val); + nr_openat_calls, perf_counts(evsel->counts, 0)->val); goto out_close_fd; } diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index 4014b709f956..453480aa7650 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -97,26 +97,39 @@ void perf_stat_evsel_id_init(struct perf_evsel *evsel) struct perf_counts *perf_counts__new(int ncpus) { - int size = sizeof(struct perf_counts) + - ncpus * sizeof(struct perf_counts_values); + struct perf_counts *counts = zalloc(sizeof(*counts)); - return zalloc(size); + if (counts) { + struct xyarray *cpu; + + cpu = xyarray__new(ncpus, 1, sizeof(struct perf_counts_values)); + if (!cpu) { + free(counts); + return NULL; + } + + counts->cpu = cpu; + } + + return counts; } void perf_counts__delete(struct perf_counts *counts) { - free(counts); + if (counts) { + xyarray__delete(counts->cpu); + free(counts); + } } -static void perf_counts__reset(struct perf_counts *counts, int ncpus) +static void perf_counts__reset(struct perf_counts *counts) { - memset(counts, 0, (sizeof(*counts) + - (ncpus * sizeof(struct perf_counts_values)))); + xyarray__reset(counts->cpu); } -void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus) +void perf_evsel__reset_counts(struct perf_evsel *evsel) { - perf_counts__reset(evsel->counts, ncpus); + perf_counts__reset(evsel->counts); } int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus) diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 5e43348836a6..6d07612545e0 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -3,6 +3,7 @@ #include <linux/types.h> #include <stdio.h> +#include "xyarray.h" struct stats { @@ -45,13 +46,13 @@ struct perf_counts_values { struct perf_counts { s8 scaled; struct perf_counts_values aggr; - struct perf_counts_values cpu[]; + struct xyarray *cpu; }; static inline struct perf_counts_values* perf_counts(struct perf_counts *counts, int cpu) { - return &counts->cpu[cpu]; + return xyarray__entry(counts->cpu, cpu, 0); } void update_stats(struct stats *stats, u64 val); @@ -88,7 +89,7 @@ void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel, struct perf_counts *perf_counts__new(int ncpus); void perf_counts__delete(struct perf_counts *counts); -void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus); +void perf_evsel__reset_counts(struct perf_evsel *evsel); int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); void perf_evsel__free_counts(struct perf_evsel *evsel); #endif |