projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 86a9eee0 ACM |
1 | perf-diff(1) |
| 2 | ============== | |
| 3 | ||
| 4 | NAME | |
| 5 | ---- | |
| d30531c6 | 6 | perf-diff - Read two perf.data files and display the differential profile |
| 86a9eee0 ACM |
7 | |
| 8 | SYNOPSIS | |
| 9 | -------- | |
| 10 | [verse] | |
| 11 | 'perf diff' [oldfile] [newfile] | |
| 12 | ||
| 13 | DESCRIPTION | |
| 14 | ----------- | |
| d30531c6 | 15 | This command displays the performance difference amongst two perf.data files |
| 86a9eee0 ACM |
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:: | |
| d30531c6 | 24 | Show percentages instead of raw counts |
| 86a9eee0 ACM |
25 | -v:: |
| 26 | --verbose:: | |
| d30531c6 | 27 | Be verbose, for instance, show the raw counts in addition to the |
| 86a9eee0 ACM |
28 | diff. |
| 29 | SEE ALSO | |
| 30 | -------- | |
| 31 | linkperf:perf-record[1] |