[PATCH] Performance Stats: Kernel patch

Maxim Uvarov muvarov at ru.mvista.com
Fri May 11 04:23:11 EST 2007


Josh Boyer wrote:

>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.
>
>  
>
Thanks,  It is interesting but I can not Cc message to  linux-kernel.
Only sending directly works (To:).

Link is here:
http://lkml.org/lkml/2007/5/10/289

>josh
>
>  
>




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