Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH] perf, tools: Support spark lines in perf stat v2 | Date | Tue, 13 May 2014 07:08:24 -0700 |
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Peter Zijlstra <peterz@infradead.org> writes: > > Hmm, my first looking at the spark thingies interpreted them as a > histogram. But they're not really.
It's a histogram of variance.
> Would it be possible to make it a histogram of -2sigma,2sigma around the > avg value? That way you can plot all data and get a good idea of the > distribution. I'd suggest using 9 buckets for it.
I doubt that would work well with only ~8 values. This would need multiple lines or a real plotter, otherwise you would have all kinds of odd corner cases.
Sparklines are much better for limited space.
-Andi
-- ak@linux.intel.com -- Speaking for myself only
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