Re: [PATCH 1/2 -tip] perf_counter: Add generalized hardwarevectored co-processor support for AMD and Intel Corei7/Nehalem

From: Ingo Molnar
Date: Fri Jul 03 2009 - 06:30:31 EST



* Jaswinder Singh Rajput <jaswinder@xxxxxxxxxx> wrote:

> Performance counter stats for '/usr/bin/rhythmbox /home/jaswinder/Music/singhiskinng.mp3':
>
> 17552264 vec-adds (scaled from 66.28%)
> 19715258 vec-muls (scaled from 66.63%)
> 15862733 vec-divs (scaled from 66.82%)
> 23735187095 vec-idle-cycles (scaled from 66.89%)
> 11353159 vec-stall-cycles (scaled from 66.90%)
> 36628571 vec-ops (scaled from 66.48%)

Is stall-cycles equivalent to busy-cycles? I.e. do we have this
general relationship to the cycle event:

cycles = vec-stall-cycles + vec-idle-cycles

?

Ingo
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/