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Diffstat (limited to 'tools/perf/Documentation/perf-report.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 9b430e98712e..87feeee8b90c 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -153,6 +153,16 @@ OPTIONS information which may be very large and thus may clutter the display. It currently includes: cpu and numa topology of the host system. +-b:: +--branch-stack:: + Use the addresses of sampled taken branches instead of the instruction + address to build the histograms. To generate meaningful output, the + perf.data file must have been obtained using perf record -b or + perf record --branch-filter xxx where xxx is a branch filter option. + perf report is able to auto-detect whether a perf.data file contains + branch stacks and it will automatically switch to the branch view mode, + unless --no-branch-stack is used. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-annotate[1] |