Re: [tip:perfcounters/urgent] perf stat: Improve output

Peter Zijlstra
2009-06-29T17:12:18Z

On Sat, 2009-06-27 at 17:31 +0000, tip-bot for Jaswinder Singh Rajput
wrote:
> Before:
> 150708 L1-d$-stores (scaled from 23.57%)
> 428804 L1-d$-prefetches (scaled from 23.47%)
> 314446 L1-d$-prefetch-misses (scaled from 23.42%)
> 252626137 L1-i$-loads (scaled from 23.24%)
> 5297550 dTLB-load-misses (scaled from 23.96%)
> 106992392 branch-loads (scaled from 23.67%)
> 5239561 branch-load-misses (scaled from 23.43%)
>
> After:
> 1731713 L1-d$-loads ( 14.25x scaled)
> 44241 L1-d$-prefetches ( 3.88x scaled)
> 21076 L1-d$-prefetch-misses ( 3.40x scaled)
> 5789421 L1-i$-loads ( 3.78x scaled)
> 29645 dTLB-load-misses ( 2.95x scaled)
> 461474 branch-loads ( 6.52x scaled)
> 7493 branch-load-misses ( 26.57x scaled)

I really rather like the before better. Its far easier to get a feel for
the overload factor from a fraction that from this multiplier.