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perf stat: Expand metric+unit buffer size

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Long metric names combined with units may exceed the metric_bf and
lead to truncation. Double metric_bf in size to avoid this.

Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Kan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20241106004818.2174593-1-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2024-11-05 16:48:18 -08:00 committed by Namhyung Kim
parent d8c0f8b4ee
commit 62a6d092f1
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/stat-shadow.c
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@ -517,7 +517,7 @@ static void generic_metric(struct perf_stat_config *config,
if (!metric_events[i]) {
if (expr__parse(&ratio, pctx, metric_expr) == 0) {
char *unit;
char metric_bf[64];
char metric_bf[128];
if (metric_threshold &&
expr__parse(&threshold, pctx, metric_threshold) == 0 &&