From 28f5aa8184c9c9b8eab35fa3884c416fe75e88e4 Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Thu, 10 Jul 2025 16:51:14 -0700 Subject: [PATCH] perf hwmon_pmu: Avoid shortening hwmon PMU name Long names like ucsi_source_psy_USBC000:001 when prefixed with hwmon_ exceed the buffer size and the last digit is lost. This causes confusion with similar names like ucsi_source_psy_USBC000:002. Extend the buffer size to avoid this. Fixes: 53cc0b351ec9 ("perf hwmon_pmu: Add a tool PMU exposing events from hwmon in sysfs") Signed-off-by: Ian Rogers Link: https://lore.kernel.org/r/20250710235126.1086011-2-irogers@google.com Signed-off-by: Namhyung Kim --- tools/perf/util/hwmon_pmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/util/hwmon_pmu.c b/tools/perf/util/hwmon_pmu.c index 7edda010ba271..416dfea9ffff6 100644 --- a/tools/perf/util/hwmon_pmu.c +++ b/tools/perf/util/hwmon_pmu.c @@ -345,7 +345,7 @@ err_out: struct perf_pmu *hwmon_pmu__new(struct list_head *pmus, const char *hwmon_dir, const char *sysfs_name, const char *name) { - char buf[32]; + char buf[64]; struct hwmon_pmu *hwm; __u32 type = PERF_PMU_TYPE_HWMON_START + strtoul(sysfs_name + 5, NULL, 10); -- 2.47.3