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| author | Jiri Olsa <jolsa@kernel.org> | 2017-01-09 10:51:59 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-01-11 16:48:02 -0300 |
| commit | 0c5824498e8bd5b7d30dc03448cd89efaee4bead (patch) | |
| tree | 67f7b3faa4cf8a38419e1e274aea33995451b02a /fs | |
| parent | dc0c6127c231d4d264570497a916fa19740c915b (diff) | |
perf record: Add switch-output size warning
Adding switch-output size warning if the requested
size of lower than the wakeup ring buffer size.
$ perf record --switch-output=1K ls
WARNING: switch-output data size lower than wakeup kernel buffer size (258K) expect bigger perf.data sizes
...
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Suggested-and-Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/1483955520-29063-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions