linux-kernel - [tip:perf/core] perf kmem: Add help file

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Message-ID: <tip-b23d5767a5818caec8547d0bce1588b02bdecd30@git.kernel.org>
Date:	Tue, 24 Nov 2009 16:55:52 GMT
From:	tip-bot for Li Zefan <lizf@...fujitsu.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	penberg@...helsinki.fi, lizf@...fujitsu.com, peterz@...radead.org,
	eduard.munteanu@...ux360.ro, fweisbec@...il.com,
	tglx@...utronix.de, linux-mm@...ck.org, mingo@...e.hu
Subject: [tip:perf/core] perf kmem: Add help file

Commit-ID:  b23d5767a5818caec8547d0bce1588b02bdecd30
Gitweb:     http://git.kernel.org/tip/b23d5767a5818caec8547d0bce1588b02bdecd30
Author:     Li Zefan <lizf@...fujitsu.com>
AuthorDate: Tue, 24 Nov 2009 13:27:11 +0800
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Tue, 24 Nov 2009 08:49:51 +0100

perf kmem: Add help file

Add Documentation/perf-kmem.txt

Signed-off-by: Li Zefan <lizf@...fujitsu.com>
Acked-by: Pekka Enberg <penberg@...helsinki.fi>
Cc: Eduard - Gabriel Munteanu <eduard.munteanu@...ux360.ro>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: linux-mm@...ck.org <linux-mm@...ck.org>
LKML-Reference: <4B0B6EAF.80802@...fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@...e.hu>
---
 tools/perf/Documentation/perf-kmem.txt |   44 ++++++++++++++++++++++++++++++++
 tools/perf/command-list.txt            |    1 +
 2 files changed, 45 insertions(+), 0 deletions(-)

diff --git a/tools/perf/Documentation/perf-kmem.txt b/tools/perf/Documentation/perf-kmem.txt
new file mode 100644
index 0000000..44b0ce3
--- /dev/null
+++ b/tools/perf/Documentation/perf-kmem.txt
@@ -0,0 +1,44 @@
+perf-kmem(1)
+==============
+
+NAME
+----
+perf-kmem - Tool to trace/measure kernel memory(slab) properties
+
+SYNOPSIS
+--------
+[verse]
+'perf kmem' {record} [<options>]
+
+DESCRIPTION
+-----------
+There's two variants of perf kmem:
+
+  'perf kmem record <command>' to record the kmem events
+  of an arbitrary workload.
+
+  'perf kmem' to report kernel memory statistics.
+
+OPTIONS
+-------
+-i <file>::
+--input=<file>::
+	Select the input file (default: perf.data)
+
+--stat=<caller|alloc>::
+	Select per callsite or per allocation statistics
+
+-s <key[,key2...]>::
+--sort=<key[,key2...]>::
+	Sort the output (default: frag,hit,bytes)
+
+-l <num>::
+--line=<num>::
+	Print n lines only
+
+--raw-ip::
+	Print raw ip instead of symbol
+
+SEE ALSO
+--------
+linkperf:perf-record[1]
diff --git a/tools/perf/command-list.txt b/tools/perf/command-list.txt
index d3a6e18..02b09ea 100644
--- a/tools/perf/command-list.txt
+++ b/tools/perf/command-list.txt
@@ -14,3 +14,4 @@ perf-timechart			mainporcelain common
 perf-top			mainporcelain common
 perf-trace			mainporcelain common
 perf-probe			mainporcelain common
+perf-kmem			mainporcelain common
--
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