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    Subject[PATCH 3/4] perf/timer: add document
    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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