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authorDavid S. Miller <davem@davemloft.net>2009-08-09 21:29:47 -0700
committerDavid S. Miller <davem@davemloft.net>2009-08-09 21:29:47 -0700
commitf222e8b40f2177b1c4cac015b117744c1d3fa3e9 (patch)
tree7c5fc22c08da900e21b0e7ab2376e8e8e44a63c0 /tools/perf/Documentation
parent819ae6a389d4acfab9a7bb874fa1977aa464d14b (diff)
parentf4b9a988685da6386d7f9a72df3098bcc3270526 (diff)
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r--tools/perf/Documentation/perf-record.txt60
-rw-r--r--tools/perf/Documentation/perf-report.txt29
-rw-r--r--tools/perf/Documentation/perf-stat.txt6
3 files changed, 88 insertions, 7 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index 1dbc1eeb4c0..6be696b0a2b 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -29,13 +29,67 @@ OPTIONS
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.
+ hexadecimal event descriptor.
-a::
- system-wide collection
+ System-wide collection.
-l::
- scale counter values
+ Scale counter values.
+
+-p::
+--pid=::
+ Record events on existing pid.
+
+-r::
+--realtime=::
+ Collect data with this RT SCHED_FIFO priority.
+-A::
+--append::
+ Append to the output file to do incremental profiling.
+
+-f::
+--force::
+ Overwrite existing data file.
+
+-c::
+--count=::
+ Event period to sample.
+
+-o::
+--output=::
+ Output file name.
+
+-i::
+--inherit::
+ Child tasks inherit counters.
+-F::
+--freq=::
+ Profile at this frequency.
+
+-m::
+--mmap-pages=::
+ Number of mmap data pages.
+
+-g::
+--call-graph::
+ Do call-graph (stack chain/backtrace) recording.
+
+-v::
+--verbose::
+ Be more verbose (show counter open errors, etc).
+
+-s::
+--stat::
+ Per thread counts.
+
+-d::
+--data::
+ Sample addresses.
+
+-n::
+--no-samples::
+ Don't sample.
SEE ALSO
--------
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 52d3fc6846a..e72e9311078 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -13,13 +13,40 @@ SYNOPSIS
DESCRIPTION
-----------
This command displays the performance counter profile information recorded
-via perf report.
+via perf record.
OPTIONS
-------
-i::
--input=::
Input file name. (default: perf.data)
+-d::
+--dsos=::
+ Only consider symbols in these dsos. CSV that understands
+ file://filename entries.
+-n
+--show-nr-samples
+ Show the number of samples for each symbol
+-C::
+--comms=::
+ Only consider symbols in these comms. CSV that understands
+ file://filename entries.
+-S::
+--symbols=::
+ Only consider these symbols. CSV that understands
+ file://filename entries.
+
+-w::
+--field-width=::
+ Force each column width to the provided list, for large terminal
+ readability.
+
+-t::
+--field-separator=::
+
+ Use a special separator character and don't pad with spaces, replacing
+ all occurances of this separator in symbol names (and other output)
+ with a '.' character, that thus it's the only non valid separator.
SEE ALSO
--------
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt
index c368a72721d..0d74346d21a 100644
--- a/tools/perf/Documentation/perf-stat.txt
+++ b/tools/perf/Documentation/perf-stat.txt
@@ -8,8 +8,8 @@ perf-stat - Run a command and gather performance counter statistics
SYNOPSIS
--------
[verse]
-'perf stat' [-e <EVENT> | --event=EVENT] [-l] [-a] <command>
-'perf stat' [-e <EVENT> | --event=EVENT] [-l] [-a] -- <command> [<options>]
+'perf stat' [-e <EVENT> | --event=EVENT] [-S] [-a] <command>
+'perf stat' [-e <EVENT> | --event=EVENT] [-S] [-a] -- <command> [<options>]
DESCRIPTION
-----------
@@ -40,7 +40,7 @@ OPTIONS
-a::
system-wide collection
--l::
+-S::
scale counter values
EXAMPLES