Thread (3 messages) flat view 3 messages, 2 authors, 2007-05-10

Re: [PATCH] Performance Stats: Kernel patch

From: Josh Boyer <hidden>
Date: 2007-05-10 12:44:52

On Thu, 2007-05-10 at 12:39 +0000, Maxim Uvarov wrote:
Patch makes available to the user the following
task and process performance statistics:
	* Involuntary Context Switches (task_struct->nivcsw)
	* Voluntary Context Switches (task_struct->nvcsw)
	* Number of system calls (added new counter
	  thread_info->sysall_count)
	           
Statistics information is available from:
        1. taskstats interface (Documentation/accounting/)
	2. /proc/PID/status (task only).

This data is useful for detecting hyperactivity
patterns between processes.
This should be sent to the linux-kernel list I think...  Or at least
CCd.

josh
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