perf tools: Add --debug-file option to redirect debug output

[linux-2.6-microblaze.git] / tools / perf / Documentation / perf.txt

diff --git a/tools/perf/Documentation/perf.txt b/tools/perf/Documentation/perf.txt
index ba3df49..a7cf7bc 100644 (file)
--- a/tools/perf/Documentation/perf.txt
+++ b/tools/perf/Documentation/perf.txt
@@ -64,6 +64,9 @@ OPTIONS
           perf-event-open  - Print perf_event_open() arguments and
                              return value
 
+--debug-file::
+       Write debug output to a specified file.
+
 DESCRIPTION
 -----------
 Performance counters for Linux are a new kernel-based subsystem