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Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-diff.txt | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt new file mode 100644 index 000000000000..bd1ee55cef6a --- /dev/null +++ b/tools/perf/Documentation/perf-diff.txt @@ -0,0 +1,31 @@ +perf-diff(1) +============== + +NAME +---- +perf-diff - Read perf.data (created by perf record) and display the profile + +SYNOPSIS +-------- +[verse] +'perf diff' [oldfile] [newfile] + +DESCRIPTION +----------- +This command displays the performance difference among two perf.data files +captured via perf record. + +If no parameters are passed it will assume perf.data.old and perf.data. + +OPTIONS +------- +-p:: +--percentage:: + Show percentages instead of raw counters +-v:: +--verbose:: + Be verbose, for instance, show the raw counters in addition to the + diff. +SEE ALSO +-------- +linkperf:perf-record[1] |