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    Subject[PATCH 3/3] perf: Clarify -c help text
    Date
    From: Andi Kleen <ak@linux.intel.com>

    Clarify what perf record/top -c actually does in the help text.

    Signed-off-by: Andi Kleen <ak@linux.intel.com>
    ---
    tools/perf/Documentation/perf-record.txt | 6 +++---
    tools/perf/Documentation/perf-top.txt | 2 +-
    tools/perf/builtin-record.c | 2 +-
    tools/perf/builtin-top.c | 2 +-
    4 files changed, 6 insertions(+), 6 deletions(-)

    diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
    index 5a520f8..f636cc8 100644
    --- a/tools/perf/Documentation/perf-record.txt
    +++ b/tools/perf/Documentation/perf-record.txt
    @@ -72,9 +72,9 @@ OPTIONS
    --force::
    Overwrite existing data file. (deprecated)

    --c::
    ---count=::
    - Event period to sample.
    +-cN::
    +--count=N::
    + Sample event every N occurrences.

    -o::
    --output=::
    diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt
    index f6eb1cd..b6043b0 100644
    --- a/tools/perf/Documentation/perf-top.txt
    +++ b/tools/perf/Documentation/perf-top.txt
    @@ -23,7 +23,7 @@ OPTIONS

    -c <count>::
    --count=<count>::
    - Event period to sample.
    + Sample event every COUNT occurrences.

    -C <cpu-list>::
    --cpu=<cpu>::
    diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
    index 042117f..22a9a27 100644
    --- a/tools/perf/builtin-record.c
    +++ b/tools/perf/builtin-record.c
    @@ -761,7 +761,7 @@ const struct option record_options[] = {
    "list of cpus to monitor"),
    OPT_BOOLEAN('f', "force", &force,
    "overwrite existing data file (deprecated)"),
    - OPT_U64('c', "count", &user_interval, "event period to sample"),
    + OPT_U64('c', "count", &user_interval, "sample every COUNTS events"),
    OPT_STRING('o', "output", &output_name, "file",
    "output file name"),
    OPT_BOOLEAN('i', "no-inherit", &no_inherit,
    diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
    index a43433f..79bfb5d 100644
    --- a/tools/perf/builtin-top.c
    +++ b/tools/perf/builtin-top.c
    @@ -992,7 +992,7 @@ static const struct option options[] = {
    "event selector. use 'perf list' to list available events",
    parse_events_option),
    OPT_INTEGER('c', "count", &default_interval,
    - "event period to sample"),
    + "sample event every N occurrences"),
    OPT_INTEGER('p', "pid", &top.target_pid,
    "profile events on existing process id"),
    OPT_INTEGER('t', "tid", &top.target_tid,
    --
    1.7.4.4


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