diff options
| author | David Ahern <[email protected]> | 2012-08-09 10:35:37 -0600 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <[email protected]> | 2012-08-09 14:14:28 -0300 |
| commit | d25dcba8541c1cc31621d5cefce0304dafb9ae4f (patch) | |
| tree | 9184715b6ee64f27c797a21ee01e9ede9f831e59 /tools/perf/scripts/python/syscall-counts.py | |
| parent | 87b6a3ad40ba304ec468b972e979e7e410852476 (diff) | |
perf lock record: improve message when tracepoints are not enabled
If CONFIG options required for perf-lock are not enabled then the
corresponding tracepoints will not be enabled. Currently, the message to
the user is:
$ perf lock record -a -- sleep 1
invalid or unsupported event: 'lock:lock_acquire'
Run 'perf list' for a list of valid events
Improve the message with a suggestion on which CONFIG options are needed:
$ perf lock record -a -- sleep 1
tracepoint lock:lock_acquire is not enabled. Are CONFIG_LOCKDEP and CONFIG_LOCK_STAT enabled?
Suggested-by: Arnaldo Carvalho de Melo <[email protected]>
Signed-off-by: David Ahern <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/syscall-counts.py')
0 files changed, 0 insertions, 0 deletions