projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 86a9eee0 ACM |
1 | perf-diff(1) |
| 2 | ============== | |
| 3 | ||
| 4 | NAME | |
| 5 | ---- | |
| 6 | perf-diff - Read perf.data (created by perf record) and display the profile | |
| 7 | ||
| 8 | SYNOPSIS | |
| 9 | -------- | |
| 10 | [verse] | |
| 11 | 'perf diff' [oldfile] [newfile] | |
| 12 | ||
| 13 | DESCRIPTION | |
| 14 | ----------- | |
| 15 | This command displays the performance difference among two perf.data files | |
| 16 | captured via perf record. | |
| 17 | ||
| 18 | If no parameters are passed it will assume perf.data.old and perf.data. | |
| 19 | ||
| 20 | OPTIONS | |
| 21 | ------- | |
| 22 | -p:: | |
| 23 | --percentage:: | |
| 24 | Show percentages instead of raw counters | |
| 25 | -v:: | |
| 26 | --verbose:: | |
| 27 | Be verbose, for instance, show the raw counters in addition to the | |
| 28 | diff. | |
| 29 | SEE ALSO | |
| 30 | -------- | |
| 31 | linkperf:perf-record[1] |