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-rw-r--r--tools/lib/perf/evlist.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index 8ec5b9f344e0..0e7347d1583d 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -487,6 +487,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
if (ops->idx)
ops->idx(evlist, evsel, mp, idx);
+ /* Debug message used by test scripts */
pr_debug("idx %d: mmapping fd %d\n", idx, *output);
if (ops->mmap(map, mp, *output, evlist_cpu) < 0)
return -1;
@@ -496,6 +497,7 @@ mmap_per_evsel(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops,
if (!idx)
perf_evlist__set_mmap_first(evlist, map, overwrite);
} else {
+ /* Debug message used by test scripts */
pr_debug("idx %d: set output fd %d -> %d\n", idx, fd, *output);
if (ioctl(fd, PERF_EVENT_IOC_SET_OUTPUT, *output) != 0)
return -1;