From: "Russ Dill" <russ.dill@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: [PATCH] Better document profile=
Date: Tue, 16 Oct 2007 22:16:47 -0700 [thread overview]
Message-ID: <f9d2a5e10710162216s149c16a3j9bb63d60fdf1e782@mail.gmail.com> (raw)
Be more explicit on what the step/bucket size accomplishes.
Signed-off-by: Russ Dill <Russ.Dill@gmail.com>
---
Documentation/kernel-parameters.txt | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/Documentation/kernel-parameters.txt
b/Documentation/kernel-parameters.txt
index eb24799..3c6fd27 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1427,7 +1427,10 @@ and is between 256 and 4096 characters. It is
defined in the file
Format: [schedule,]<number>
Param: "schedule" - profile schedule points.
Param: <number> - step/bucket size as a power of 2 for
- statistical time based profiling.
+ statistical time based profiling. A value of
+ 2 will provide a granularity of 4 bytes, a
+ value of 3 will provide a granularity of 8
+ bytes and so on.
Param: "sleep" - profile D-state sleeping (millisecs)
processor.max_cstate= [HW,ACPI]
--
1.5.2.5
next reply other threads:[~2007-10-17 5:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-17 5:16 Russ Dill [this message]
2007-10-25 23:37 ` Andrew Morton
2007-10-26 5:03 ` Russ Dill
2007-10-26 5:21 ` Andrew Morton
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