diff options
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 60 |
1 files changed, 57 insertions, 3 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 1dbc1eeb4c01..6be696b0a2bb 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt | |||
| @@ -29,13 +29,67 @@ OPTIONS | |||
| 29 | Select the PMU event. Selection can be a symbolic event name | 29 | Select the PMU event. Selection can be a symbolic event name |
| 30 | (use 'perf list' to list all events) or a raw PMU | 30 | (use 'perf list' to list all events) or a raw PMU |
| 31 | event (eventsel+umask) in the form of rNNN where NNN is a | 31 | event (eventsel+umask) in the form of rNNN where NNN is a |
| 32 | hexadecimal event descriptor. | 32 | hexadecimal event descriptor. |
| 33 | 33 | ||
| 34 | -a:: | 34 | -a:: |
| 35 | system-wide collection | 35 | System-wide collection. |
| 36 | 36 | ||
| 37 | -l:: | 37 | -l:: |
| 38 | scale counter values | 38 | Scale counter values. |
| 39 | |||
| 40 | -p:: | ||
| 41 | --pid=:: | ||
| 42 | Record events on existing pid. | ||
| 43 | |||
| 44 | -r:: | ||
| 45 | --realtime=:: | ||
| 46 | Collect data with this RT SCHED_FIFO priority. | ||
| 47 | -A:: | ||
| 48 | --append:: | ||
| 49 | Append to the output file to do incremental profiling. | ||
| 50 | |||
| 51 | -f:: | ||
| 52 | --force:: | ||
| 53 | Overwrite existing data file. | ||
| 54 | |||
| 55 | -c:: | ||
| 56 | --count=:: | ||
| 57 | Event period to sample. | ||
| 58 | |||
| 59 | -o:: | ||
| 60 | --output=:: | ||
| 61 | Output file name. | ||
| 62 | |||
| 63 | -i:: | ||
| 64 | --inherit:: | ||
| 65 | Child tasks inherit counters. | ||
| 66 | -F:: | ||
| 67 | --freq=:: | ||
| 68 | Profile at this frequency. | ||
| 69 | |||
| 70 | -m:: | ||
| 71 | --mmap-pages=:: | ||
| 72 | Number of mmap data pages. | ||
| 73 | |||
| 74 | -g:: | ||
| 75 | --call-graph:: | ||
| 76 | Do call-graph (stack chain/backtrace) recording. | ||
| 77 | |||
| 78 | -v:: | ||
| 79 | --verbose:: | ||
| 80 | Be more verbose (show counter open errors, etc). | ||
| 81 | |||
| 82 | -s:: | ||
| 83 | --stat:: | ||
| 84 | Per thread counts. | ||
| 85 | |||
| 86 | -d:: | ||
| 87 | --data:: | ||
| 88 | Sample addresses. | ||
| 89 | |||
| 90 | -n:: | ||
| 91 | --no-samples:: | ||
| 92 | Don't sample. | ||
| 39 | 93 | ||
| 40 | SEE ALSO | 94 | SEE ALSO |
| 41 | -------- | 95 | -------- |
