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Subject[PATCH 1/7] perf data: Show error message when conversion failed
Date
From: He Kuang <hekuang@huawei.com>

Show message when errors occurred during conversion setup and conversion
process.

Before this patch:
$ ./perf data convert --to-ctf=ctf
$ echo $?
255

After this patch:
$ ./perf data convert --to-ctf=ctf
Error during conversion setup.

Signed-off-by: He Kuang <hekuang@huawei.com>
Link: http://lkml.kernel.org/n/tip-xvhr1vf7zav9kkeo9w1hv4uk@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/util/data-convert-bt.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/data-convert-bt.c b/tools/perf/util/data-convert-bt.c
index dd17c9a32fbc..db4f709af18d 100644
--- a/tools/perf/util/data-convert-bt.c
+++ b/tools/perf/util/data-convert-bt.c
@@ -837,6 +837,8 @@ int bt_convert__perf2ctf(const char *input, const char *path, bool force)
err = perf_session__process_events(session);
if (!err)
err = bt_ctf_stream_flush(cw->stream);
+ else
+ pr_err("Error during conversion.\n");

fprintf(stderr,
"[ perf data convert: Converted '%s' into CTF data '%s' ]\n",
@@ -847,11 +849,15 @@ int bt_convert__perf2ctf(const char *input, const char *path, bool force)
(double) c.events_size / 1024.0 / 1024.0,
c.events_count);

- /* its all good */
-free_session:
perf_session__delete(session);
+ ctf_writer__cleanup(cw);

+ return err;
+
+free_session:
+ perf_session__delete(session);
free_writer:
ctf_writer__cleanup(cw);
+ pr_err("Error during conversion setup.\n");
return err;
}
--
1.9.3


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