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authorMarcin Slusarz <marcin.slusarz@gmail.com>2011-02-22 21:53:12 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2011-02-23 07:29:33 -0300
commit9826e8329bc160e4cc58b83019f3f056965e42d0 (patch)
treec51e19996faa70cd9f8f1cfe91da4fcf9bfa9ae3 /tools
parent6435a5e39d3e01a1a73a925ed53ee18619b0a368 (diff)
downloadlinux-9826e8329bc160e4cc58b83019f3f056965e42d0.tar.gz
perf lock: Document valid sort keys
Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20110222205312.GA18474@joi.lan> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/Documentation/perf-lock.txt12
-rw-r--r--tools/perf/builtin-lock.c2
2 files changed, 11 insertions, 3 deletions
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
index 921de259ea10..4a26a2f3a6a3 100644
--- a/tools/perf/Documentation/perf-lock.txt
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -24,8 +24,8 @@ and statistics with this 'perf lock' command.
'perf lock report' reports statistical data.
-OPTIONS
--------
+COMMON OPTIONS
+--------------
-i::
--input=<file>::
@@ -39,6 +39,14 @@ OPTIONS
--dump-raw-trace::
Dump raw trace in ASCII.
+REPORT OPTIONS
+--------------
+
+-k::
+--key=<value>::
+ Sorting key. Possible values: acquired (default), contended,
+ wait_total, wait_max, wait_min.
+
SEE ALSO
--------
linkperf:perf[1]
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index e00d93847c44..2e93f99b1480 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -893,7 +893,7 @@ static const char * const report_usage[] = {
static const struct option report_options[] = {
OPT_STRING('k', "key", &sort_key, "acquired",
- "key for sorting"),
+ "key for sorting (acquired / contended / wait_total / wait_max / wait_min)"),
/* TODO: type */
OPT_END()
};