Re: [PATCH 6/6] perf tools: Try to show pretty printed output for dynamic sort keys

From: Jiri Olsa
Date: Tue Dec 15 2015 - 04:03:47 EST


On Tue, Dec 15, 2015 at 12:46:13AM +0900, Namhyung Kim wrote:
> Each tracepoint event has format string for print to improve
> readability. Try to parse the output and match the field name. If it
> finds one, use that for the result. If not, fallbacks to the original
> output.
>
> For example, sort on kmem:kmalloc.gfp_flags looks like below:
> (Note: libtraceevent plugins are not installed on my system. They might
> affect the output below)
>
> Before:
> # Overhead Command gfp_flags
> # ........ ....... ..........
> #
> 99.89% perf 32848
> 0.06% sleep 208
> 0.03% perf 32976
> 0.01% perf 208
>
> After:
> # Overhead Command gfp_flags
> # ........ ....... ...................
> #
> 99.89% perf GFP_NOFS|GFP_ZERO
> 0.06% sleep GFP_KERNEL
> 0.03% perf GFP_KERNEL|GFP_ZERO
> 0.01% perf GFP_KERNEL

hum, maybe we want some way to switch back to numbers?

jirka
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