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authorDavid Ahern <dsahern@gmail.com>2013-09-04 12:37:43 -0600
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-10-09 11:10:49 -0300
commit4bb09192d38ef08f0619667527cabb26354fff89 (patch)
tree5f2048a7b56619080f353c12af7ef80508f5375c /tools/perf/Documentation
parentc045bf02e47664af67f8970a6a67065ff51acf62 (diff)
perf trace: Add option to show full timestamp
Current timestamp shown for output is time relative to firt sample. This patch adds an option to show the absolute perf_clock timestamp which is useful when comparing output across commands (e.g., perf-trace to perf-script). Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.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/r/1378319865-55695-1-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.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 daccd2c0a48f..a93e91aad583 100644
--- a/tools/perf/Documentation/perf-trace.txt
+++ b/tools/perf/Documentation/perf-trace.txt
@@ -78,6 +78,10 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs.
--input
Process events from a given perf data file.
+-T
+--time
+ Print full timestamp rather time relative to first sample.
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-script[1]