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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-08-21 19:56:21 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-08-27 00:25:41 +0400 |
| commit | b059efdf52a27819b78aa30f171f1e8e439152b6 (patch) | |
| tree | bbd79fc5b14dd010593f7b9974d7bfe7a9b90460 /tools/perf/Documentation/perf-trace.txt | |
| parent | 8c9dc52850d686f614aa44c59eee682d58a6656c (diff) | |
| download | linux-b059efdf52a27819b78aa30f171f1e8e439152b6.tar.xz | |
perf trace: Support ! in -e expressions
So that we can ask for all but a set of syscalls to be traced.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-9j6hvap23qanyl96wx4mrj9k@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-trace.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index cb3371eb597d..4754f11a862b 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -30,6 +30,8 @@ OPTIONS -e:: --expr:: List of events to show, currently only syscall names. + Prefixing with ! shows all syscalls but the ones specified. You may + need to escape it. -o:: --output=:: |