This patch prevents duplicated error output. per_session__new function calls
perf_data_file__open which will print error message if it can not open the file
and we will get duplicated output of the error message:
failed to open perf.data.old: No such file or directory
Failed to open perf.data.old
Signed-off-by: Alexander Kuleshov <kuleshovm...@gmail.com>
---
tools/perf/builtin-diff.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 74aada5..a18bf98 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -742,7 +742,6 @@ static int __cmd_diff(void)
data__for_each_file(i, d) {
d->session = perf_session__new(&d->file, false, &tool);
if (!d->session) {
- pr_err("Failed to open %s\n", d->file.path);
ret = -1;
goto out_delete;
}
--
2.3.1.291.g7a9409c
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