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Subject[PATCH 21/22] perf cpumap: Trim the cpu_aggr_map
From
cpu_aggr_map__new removes duplicates, when this happens shrink the
array.

Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/util/cpumap.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index 8a72ee996722..985c87f1f1ca 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -185,7 +185,12 @@ struct cpu_aggr_map *cpu_aggr_map__new(const struct perf_cpu_map *cpus,
c->nr++;
}
}
-
+ /* Trim. */
+ if (c->nr != cpus->nr) {
+ c = realloc(c, sizeof(struct cpu_aggr_map) + sizeof(struct aggr_cpu_id) * c->nr);
+ if (!c)
+ return NULL;
+ }
/* ensure we process id in increasing order */
qsort(c->map, c->nr, sizeof(struct aggr_cpu_id), aggr_cpu_id__cmp);

--
2.34.1.400.ga245620fadb-goog
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