linux-kernel - Performance Stats: Kernel patch

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Date:	Mon, 09 Apr 2007 18:22:22 +0400
From:	Maxim Uvarov <muvarov@...mvista.com>
To:	linux-kernel@...r.kernel.org
Cc:	davidsen@....com, randy.dunlap@...cle.com, dada1@...mosbay.com,
	Valdis.Kletnieks@...edu, jesper.juhl@...il.com
Subject: Performance Stats: Kernel patch

Hello collogues,

Patches make available to the user the following new per-process 
(thread) performance statistics:

    * Involuntary Context Switches
    * Voluntary Context Switches
    * Number of system calls

This data is useful for detecting hyperactivity patterns between processes.

I have attached 3 patches  perf_stat.patch, perf_stat_x86_64.patch and 
perf_stat_ppc.patch for linux-2.6.21-rc5
and corrected all notes which were before.  Do you have any objections? 
I need your opinion again.

Best regards,
Maxim Uvarov.

View attachment "perf_stat.patch" of type "text/plain" (5368 bytes)

View attachment "perf_stat_x86_64.patch" of type "text/plain" (2671 bytes)

View attachment "perf_stat_ppc.patch" of type "text/plain" (2502 bytes)