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

Ingo Molnar
2009-07-03T10:30:26Z

* Jaswinder Singh Rajput <jaswinder@kernel.org> 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