[PATCH v2 6/8] perf arm64 header: Remove unnecessary CPU map get and put

Ian Rogers irogers at google.com
Wed Jan 31 20:22:34 PST 2024


In both cases the CPU map is known owned by either the caller or a
PMU.

Signed-off-by: Ian Rogers <irogers at google.com>
Reviewed-by: James Clark <james.clark at arm.com>
---
 tools/perf/arch/arm64/util/header.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/tools/perf/arch/arm64/util/header.c b/tools/perf/arch/arm64/util/header.c
index 97037499152e..a9de0b5187dd 100644
--- a/tools/perf/arch/arm64/util/header.c
+++ b/tools/perf/arch/arm64/util/header.c
@@ -25,8 +25,6 @@ static int _get_cpuid(char *buf, size_t sz, struct perf_cpu_map *cpus)
 	if (!sysfs || sz < MIDR_SIZE)
 		return EINVAL;
 
-	cpus = perf_cpu_map__get(cpus);
-
 	for (cpu = 0; cpu < perf_cpu_map__nr(cpus); cpu++) {
 		char path[PATH_MAX];
 		FILE *file;
@@ -51,7 +49,6 @@ static int _get_cpuid(char *buf, size_t sz, struct perf_cpu_map *cpus)
 		break;
 	}
 
-	perf_cpu_map__put(cpus);
 	return ret;
 }
 
-- 
2.43.0.429.g432eaa2c6b-goog




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