Commit-ID: b23d5767a5818caec8547d0bce1588b02bdecd30
Gitweb: http://git.kernel.org/tip/b23d5767a5818caec8547d0bce1588b02bdecd30
Author: Li Zefan <lizf@xxxxxxxxxxxxxx>
AuthorDate: Tue, 24 Nov 2009 13:27:11 +0800
Committer: Ingo Molnar <mingo@xxxxxxx>
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@xxxxxxxxxxxxxx>
Acked-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
Cc: Eduard - Gabriel Munteanu <eduard.munteanu@xxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: linux-mm@xxxxxxxxx <linux-mm@xxxxxxxxx>
LKML-Reference: <4B0B6EAF.80802@xxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
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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