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Diffstat (limited to 'tools/perf/Documentation/perf-record.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt new file mode 100644 index 00000000000..1dbc1eeb4c0 --- /dev/null +++ b/tools/perf/Documentation/perf-record.txt @@ -0,0 +1,42 @@ +perf-record(1) +============== + +NAME +---- +perf-record - Run a command and record its profile into perf.data + +SYNOPSIS +-------- +[verse] +'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] <command> +'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] -- <command> [<options>] + +DESCRIPTION +----------- +This command runs a command and gathers a performance counter profile +from it, into perf.data - without displaying anything. + +This file can then be inspected later on, using 'perf report'. + + +OPTIONS +------- +<command>...:: + Any command you can specify in a shell. + +-e:: +--event=:: + Select the PMU event. Selection can be a symbolic event name + (use 'perf list' to list all events) or a raw PMU + event (eventsel+umask) in the form of rNNN where NNN is a + hexadecimal event descriptor. + +-a:: + system-wide collection + +-l:: + scale counter values + +SEE ALSO +-------- +linkperf:perf-stat[1], linkperf:perf-list[1] |