Messages in this thread Patch in this message | | | Date | Tue, 15 Dec 2009 19:21:39 +0800 | From | Xiao Guangrong <> | Subject | [PATCH 3/4] perf/timer: add document |
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Add document for 'perf timer'
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> --- tools/perf/Documentation/perf-timer.txt | 40 +++++++++++++++++++++++++++++++ 1 files changed, 40 insertions(+), 0 deletions(-) create mode 100644 tools/perf/Documentation/perf-timer.txt
diff --git a/tools/perf/Documentation/perf-timer.txt b/tools/perf/Documentation/perf-timer.txt new file mode 100644 index 0000000..fbff936 --- /dev/null +++ b/tools/perf/Documentation/perf-timer.txt @@ -0,0 +1,40 @@ +perf-timer(1) +============== + +NAME +---- +perf-timer - Tool to trace/measure kernel timer properties + +SYNOPSIS +-------- +[verse] +'perf timer' {record|latency} [<options>] + +DESCRIPTION +----------- +There are two variants of perf timer: + + 'perf timer record <command>' to record the timer events + of an arbitrary workload. + + 'perf timer latency' to report kernel timer latency and + timer function handle time. + +OPTIONS +------- +-D:: +--dump-raw-trace=:: + Display verbose dump of the sched data. + +-i <file>:: +--input=<file>:: + Select the input file (default: perf.data) + +-s <key[,key2...]>:: +--sort=<key[,key2...]>:: + Sort the output (default: timer, type, avg-timer-latency, + max-timer-latency, avg-handle-time, max-handle-time) + +SEE ALSO +-------- +linkperf:perf-record[1] -- 1.6.1.2
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