diff options
| author | Namhyung Kim <[email protected]> | 2017-06-18 23:23:00 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2017-06-19 22:05:52 -0300 |
| commit | 29681bc5bb4326c2f9eac5dc68d8fad3e88b4bb5 (patch) | |
| tree | e9fdc6f267b0a2cd332c0ccf4ac651304f4dbe52 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | e7bd9ba20a9ec7024a0566a93c22b9571a48939a (diff) | |
perf ftrace: Move setup_pager before opening trace_pipe
The 'perf ftrace' command fails to reset tracer after finishing
recording like below:
$ sudo perf ftrace -v hello
write 'nop' to tracing/current_tracer failed: Device or resource busy
...
This is because the trace_pipe file is open in pager process. Move the
pager setup to before opening the file.
Signed-off-by: Namhyung Kim <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Masami Hiramatsu <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: [email protected]
Fixes: 583359646fde ("perf ftrace: Use pager for displaying result")
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions