[PATCH 3/3] perf: Clarify -c help text
From: Andi Kleen
Date: Thu Sep 15 2011 - 17:32:03 EST
From: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Clarify what perf record/top -c actually does in the help text.
Signed-off-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
---
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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