| Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 1 | perf-diff(1) |
| 2 | ============== |
| 3 | |
| 4 | NAME |
| 5 | ---- |
| Ingo Molnar | d30531c | 2009-12-15 10:24:08 +0100 | [diff] [blame^] | 6 | perf-diff - Read two perf.data files and display the differential profile |
| Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 7 | |
| 8 | SYNOPSIS |
| 9 | -------- |
| 10 | [verse] |
| 11 | 'perf diff' [oldfile] [newfile] |
| 12 | |
| 13 | DESCRIPTION |
| 14 | ----------- |
| Ingo Molnar | d30531c | 2009-12-15 10:24:08 +0100 | [diff] [blame^] | 15 | This command displays the performance difference amongst two perf.data files |
| Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 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:: |
| Ingo Molnar | d30531c | 2009-12-15 10:24:08 +0100 | [diff] [blame^] | 24 | Show percentages instead of raw counts |
| Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 25 | -v:: |
| 26 | --verbose:: |
| Ingo Molnar | d30531c | 2009-12-15 10:24:08 +0100 | [diff] [blame^] | 27 | Be verbose, for instance, show the raw counts in addition to the |
| Arnaldo Carvalho de Melo | 86a9eee | 2009-12-14 20:09:31 -0200 | [diff] [blame] | 28 | diff. |
| 29 | SEE ALSO |
| 30 | -------- |
| 31 | linkperf:perf-record[1] |