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| author | David Ahern <dsahern@gmail.com> | 2013-09-28 13:13:01 -0600 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-10-11 12:17:49 -0300 |
| commit | 5e2485b1a2813faa6b80007c653f8bbbed9457ee (patch) | |
| tree | 3139fc7dbdd066d626c8b0aab3988f846e1ff532 /tools/perf/Documentation | |
| parent | 8fb598e5a3b0ac213012e8461a309843ba0f2e74 (diff) | |
| download | op-kernel-dev-5e2485b1a2813faa6b80007c653f8bbbed9457ee.zip op-kernel-dev-5e2485b1a2813faa6b80007c653f8bbbed9457ee.tar.gz | |
perf trace: Add record option
The record option is a convience alias to include the -e raw_syscalls:*
argument to perf-record. All other options are passed to perf-record's
handler. Resulting data file can be analyzed by perf-trace -i.
Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1380395584-9025-5-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index 7f70d36..1a22486 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -9,6 +9,7 @@ SYNOPSIS -------- [verse] 'perf trace' +'perf trace record' DESCRIPTION ----------- @@ -16,9 +17,14 @@ This command will show the events associated with the target, initially syscalls, but other system events like pagefaults, task lifetime events, scheduling events, etc. -Initially this is a live mode only tool, but eventually will work with -perf.data files like the other tools, allowing a detached 'record' from -analysis phases. +This is a live mode tool in addition to working with perf.data files like +the other perf tools. Files can be generated using the 'perf record' command +but the session needs to include the raw_syscalls events (-e 'raw_syscalls:*'). +Alernatively, the 'perf trace record' can be used as a shortcut to +automatically include the raw_syscalls events when writing events to a file. + +The following options apply to perf trace; options to perf trace record are +found in the perf record man page. OPTIONS ------- |
