* [PATCH] LOCKSTAT: Add usage info to Documentation/lockstat.txt
@ 2009-11-19 21:54 Frank Rowand
2009-12-06 13:04 ` [tip:core/urgent] lockstat: " tip-bot for Frank Rowand
0 siblings, 1 reply; 2+ messages in thread
From: Frank Rowand @ 2009-11-19 21:54 UTC (permalink / raw)
To: peterz, mingo; +Cc: tom.leiming, linux-kernel
Add usage info to Documentation/lockstat.txt
Signed-off-by: Frank Rowand <frank.rowand@am.sony.com>
---
Documentation/lockstat.txt | 12 12 + 0 - 0 !
1 files changed, 12 insertions(+)
Index: b/Documentation/lockstat.txt
===================================================================
--- a/Documentation/lockstat.txt
+++ b/Documentation/lockstat.txt
@@ -62,8 +62,20 @@ applicable).
It also tracks 4 contention points per class. A contention point is a call site
that had to wait on lock acquisition.
+ - CONFIGURATION
+
+Lock statistics are enabled via CONFIG_LOCK_STATS.
+
- USAGE
+Enable collection of statistics:
+
+# echo 1 >/proc/sys/kernel/lock_stat
+
+Disable collection of statistics:
+
+# echo 0 >/proc/sys/kernel/lock_stat
+
Look at the current lock statistics:
( line numbers not part of actual output, done for clarity in the explanation
^ permalink raw reply [flat|nested] 2+ messages in thread
* [tip:core/urgent] lockstat: Add usage info to Documentation/lockstat.txt
2009-11-19 21:54 [PATCH] LOCKSTAT: Add usage info to Documentation/lockstat.txt Frank Rowand
@ 2009-12-06 13:04 ` tip-bot for Frank Rowand
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot for Frank Rowand @ 2009-12-06 13:04 UTC (permalink / raw)
To: linux-tip-commits
Cc: linux-kernel, hpa, mingo, a.p.zijlstra, frank.rowand, tglx, mingo
Commit-ID: f5754bfd107b08edddaf871d676ec6fe0792d07a
Gitweb: http://git.kernel.org/tip/f5754bfd107b08edddaf871d676ec6fe0792d07a
Author: Frank Rowand <frank.rowand@am.sony.com>
AuthorDate: Thu, 19 Nov 2009 13:54:05 -0800
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Sun, 6 Dec 2009 13:20:02 +0100
lockstat: Add usage info to Documentation/lockstat.txt
Add usage info to Documentation/lockstat.txt
Signed-off-by: Frank Rowand <frank.rowand@am.sony.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <4B05BE7D.30500@am.sony.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
Documentation/lockstat.txt | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/Documentation/lockstat.txt b/Documentation/lockstat.txt
index 9cb9138..65f4c79 100644
--- a/Documentation/lockstat.txt
+++ b/Documentation/lockstat.txt
@@ -62,8 +62,20 @@ applicable).
It also tracks 4 contention points per class. A contention point is a call site
that had to wait on lock acquisition.
+ - CONFIGURATION
+
+Lock statistics are enabled via CONFIG_LOCK_STATS.
+
- USAGE
+Enable collection of statistics:
+
+# echo 1 >/proc/sys/kernel/lock_stat
+
+Disable collection of statistics:
+
+# echo 0 >/proc/sys/kernel/lock_stat
+
Look at the current lock statistics:
( line numbers not part of actual output, done for clarity in the explanation
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2009-12-06 13:04 UTC | newest]
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2009-11-19 21:54 [PATCH] LOCKSTAT: Add usage info to Documentation/lockstat.txt Frank Rowand
2009-12-06 13:04 ` [tip:core/urgent] lockstat: " tip-bot for Frank Rowand
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