perf record: Add --buildid-mmap option to enable PERF_RECORD_MMAP2's build id

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

diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
index 5c379ad..1a0e134 100644 (file)
--- a/tools/perf/Documentation/perf-config.txt
+++ b/tools/perf/Documentation/perf-config.txt
@@ -552,11 +552,12 @@ kmem.*::
 
 record.*::
        record.build-id::
-               This option can be 'cache', 'no-cache' or 'skip'.
+               This option can be 'cache', 'no-cache', 'skip' or 'mmap'.
                'cache' is to post-process data and save/update the binaries into
                the build-id cache (in ~/.debug). This is the default.
                But if this option is 'no-cache', it will not update the build-id cache.
                'skip' skips post-processing and does not update the cache.
+               'mmap' skips post-processing and reads build-ids from MMAP events.
 
        record.call-graph::
                This is identical to 'call-graph.record-mode', except it is