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-rw-r--r--tools/perf/builtin-stat.c19
-rw-r--r--tools/perf/util/stat.c28
-rw-r--r--tools/perf/util/stat.h3
3 files changed, 33 insertions, 17 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index b24ecee..fcf99bd 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -178,24 +178,19 @@ static void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel)
{
- void *addr;
- size_t sz;
+ struct perf_counts *counts;
- sz = sizeof(*evsel->counts) +
- (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values));
+ counts = perf_counts__new(perf_evsel__nr_cpus(evsel));
+ if (counts)
+ evsel->prev_raw_counts = counts;
- addr = zalloc(sz);
- if (!addr)
- return -ENOMEM;
-
- evsel->prev_raw_counts = addr;
-
- return 0;
+ return counts ? 0 : -ENOMEM;
}
static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
{
- zfree(&evsel->prev_raw_counts);
+ perf_counts__delete(evsel->prev_raw_counts);
+ evsel->prev_raw_counts = NULL;
}
static void perf_evlist__free_stats(struct perf_evlist *evlist)
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index ac589b6..4014b70 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -95,20 +95,38 @@ 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);
+
+ return zalloc(size);
+}
+
+void perf_counts__delete(struct perf_counts *counts)
+{
+ free(counts);
+}
+
+static void perf_counts__reset(struct perf_counts *counts, int ncpus)
+{
+ memset(counts, 0, (sizeof(*counts) +
+ (ncpus * sizeof(struct perf_counts_values))));
+}
+
void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus)
{
- memset(evsel->counts, 0, (sizeof(*evsel->counts) +
- (ncpus * sizeof(struct perf_counts_values))));
+ perf_counts__reset(evsel->counts, ncpus);
}
int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus)
{
- evsel->counts = zalloc((sizeof(*evsel->counts) +
- (ncpus * sizeof(struct perf_counts_values))));
+ evsel->counts = perf_counts__new(ncpus);
return evsel->counts != NULL ? 0 : -ENOMEM;
}
void perf_evsel__free_counts(struct perf_evsel *evsel)
{
- zfree(&evsel->counts);
+ perf_counts__delete(evsel->counts);
+ evsel->counts = NULL;
}
diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h
index 6a78260..093dc3c 100644
--- a/tools/perf/util/stat.h
+++ b/tools/perf/util/stat.h
@@ -62,6 +62,9 @@ void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count,
void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel,
double avg, int cpu, enum aggr_mode aggr);
+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);
int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
void perf_evsel__free_counts(struct perf_evsel *evsel);