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authorAlexey Bayduraev <alexey.v.bayduraev@linux.intel.com>2022-02-22 12:14:17 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-02-22 21:15:56 -0300
commit65e7c963267f128df155f496a50933cea7dfa5b8 (patch)
tree4aad513312da1e3eb8b11bbabc92b2451892260c /tools/perf/builtin-record.c
parentMerge remote-tracking branch 'torvalds/master' into perf/core (diff)
downloadlinux-dev-65e7c963267f128df155f496a50933cea7dfa5b8.tar.xz
linux-dev-65e7c963267f128df155f496a50933cea7dfa5b8.zip
perf data: Adding error message if perf_data__create_dir() fails
Add proper return codes for all cases of data directory creation failure and add error message output based on these codes. Signed-off-by: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Antonov <alexander.antonov@linux.intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexei Budankov <abudankov@huawei.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220222091417.11020-1-alexey.v.bayduraev@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 0bc6529814b2..0b4abed555d8 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1186,8 +1186,10 @@ static int record__mmap_evlist(struct record *rec,
if (record__threads_enabled(rec)) {
ret = perf_data__create_dir(&rec->data, evlist->core.nr_mmaps);
- if (ret)
+ if (ret) {
+ pr_err("Failed to create data directory: %s\n", strerror(-ret));
return ret;
+ }
for (i = 0; i < evlist->core.nr_mmaps; i++) {
if (evlist->mmap)
evlist->mmap[i].file = &rec->data.dir.files[i];