Re: [patch 0/3] [Announcement] Performance Counters for Linux

[David Miller]

From: Ingo Molnar <mingo@xxxxxxx>
Date: Fri, 5 Dec 2008 09:24:31 +0100

> Right now we begun with the most trivial ones:
> 
>   enum perf_record_type {
>           PERF_RECORD_SIMPLE,
>           PERF_RECORD_IRQ,
>   };
> 
> ... but it would be natural to do a PERF_RECORD_GP_REGISTERS as well. 
> Perhaps even a PERF_RECORD_STACKTRACE using the sysprof facilities, to do 
> a hierarchic multi-dimension profile that sysprof does so nicely.

Maybe even add something like PERF_RECORD_THE_MOON...

see how rediculious this is?

It's not your business in the kernel to decide what things are
useful.  The monitor can stop the task and inspect whatever
it wants with _existing_ facilities.  We need none of this stuff.
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