diff options
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 19b9092cf8b..87feeee8b90 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -157,8 +157,11 @@ OPTIONS --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 xxx where - xxx is a branch filter option. + 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 -------- |