Re: [PATCH] perf, tools: Support spark lines in perf stat v5

2014-06-03 Thread Jiri Olsa
On Fri, May 30, 2014 at 02:42:16PM -0700, Andi Kleen wrote: > From: Andi Kleen > > perf stat -rX prints the stddev for multiple measurements. > Just looking at the stddev for judging the quality of the data > is a bit dangerous The simplest sanity check is to just look > at a simple plot. This

Re: [PATCH] perf, tools: Support spark lines in perf stat v5

2014-06-03 Thread Jiri Olsa
On Fri, May 30, 2014 at 02:42:16PM -0700, Andi Kleen wrote: From: Andi Kleen a...@linux.intel.com perf stat -rX prints the stddev for multiple measurements. Just looking at the stddev for judging the quality of the data is a bit dangerous The simplest sanity check is to just look at a

[PATCH] perf, tools: Support spark lines in perf stat v5

2014-05-30 Thread Andi Kleen
From: Andi Kleen perf stat -rX prints the stddev for multiple measurements. Just looking at the stddev for judging the quality of the data is a bit dangerous The simplest sanity check is to just look at a simple plot. This patchs add a sparkline to the end of the measurements to make it simple

[PATCH] perf, tools: Support spark lines in perf stat v5

2014-05-30 Thread Andi Kleen
From: Andi Kleen a...@linux.intel.com perf stat -rX prints the stddev for multiple measurements. Just looking at the stddev for judging the quality of the data is a bit dangerous The simplest sanity check is to just look at a simple plot. This patchs add a sparkline to the end of the measurements