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authorArnaldo Carvalho de Melo <acme@redhat.com>2013-08-09 12:28:31 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-08-14 11:44:21 -0300
commit2ae3a312c0ccd8ff615372f00aab1700aac27474 (patch)
tree4f1a04fccc12b6ff58b2a10e6ca9f2fcaac4adbe /tools/perf/Documentation
parentc5885749e4ebe568cca969d43488a233e69e6454 (diff)
perf trace: Allow specifying which syscalls to trace
Similar to -e in strace, i.e. a comma separated list of syscall names to trace. 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-5zku7q5wug3103k1dzn3yy63@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r--tools/perf/Documentation/perf-trace.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt
index 68718ccdd178..3b3552a8959e 100644
--- a/tools/perf/Documentation/perf-trace.txt
+++ b/tools/perf/Documentation/perf-trace.txt
@@ -26,6 +26,10 @@ OPTIONS
--all-cpus::
System-wide collection from all CPUs.
+-e::
+--expr::
+ List of events to show, currently only syscall names.
+
-p::
--pid=::
Record events on existing process ID (comma separated list).