diff mbox series

[v2,28/48] libperf: Use cpu not index for evsel mmap

Message ID 20211223074541.3318938-29-irogers@google.com (mailing list archive)
State New, archived
Headers show
Series Refactor perf cpumap | expand

Commit Message

Ian Rogers Dec. 23, 2021, 7:45 a.m. UTC 
Fix issue where evsel's CPU map index was being used as the mmap cpu.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/lib/perf/evsel.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/lib/perf/evsel.c b/tools/lib/perf/evsel.c
index 8028b5a4da69..f1e1665ef4bd 100644
--- a/tools/lib/perf/evsel.c
+++ b/tools/lib/perf/evsel.c
@@ -252,6 +252,7 @@  int perf_evsel__mmap(struct perf_evsel *evsel, int pages)
 		for (thread = 0; thread < xyarray__max_y(evsel->fd); thread++) {
 			int *fd = FD(evsel, idx, thread);
 			struct perf_mmap *map;
+			int cpu = perf_cpu_map__cpu(evsel->cpus, idx);
 
 			if (fd == NULL || *fd < 0)
 				continue;
@@ -259,7 +260,7 @@  int perf_evsel__mmap(struct perf_evsel *evsel, int pages)
 			map = MMAP(evsel, idx, thread);
 			perf_mmap__init(map, NULL, false, NULL);
 
-			ret = perf_mmap__mmap(map, &mp, *fd, idx);
+			ret = perf_mmap__mmap(map, &mp, *fd, cpu);
 			if (ret) {
 				perf_evsel__munmap(evsel);
 				return ret;