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-rw-r--r--tools/perf/util/stat.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
index b8c329f41f13..6221c3898397 100644
--- a/tools/perf/util/stat.c
+++ b/tools/perf/util/stat.c
@@ -168,3 +168,21 @@ void perf_evsel__free_stat_priv(struct perf_evsel *evsel)
{
zfree(&evsel->priv);
}
+
+int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel,
+ int ncpus, int nthreads)
+{
+ struct perf_counts *counts;
+
+ counts = perf_counts__new(ncpus, nthreads);
+ if (counts)
+ evsel->prev_raw_counts = counts;
+
+ return counts ? 0 : -ENOMEM;
+}
+
+void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel)
+{
+ perf_counts__delete(evsel->prev_raw_counts);
+ evsel->prev_raw_counts = NULL;
+}