Messages in this thread Patch in this message | | | Date | Tue, 7 Dec 2021 18:46:06 -0800 | Subject | [PATCH 21/22] perf cpumap: Trim the cpu_aggr_map | From | Ian Rogers <> |
| |
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
| |