Re: [PATCH] perf stat: Align the output for interval aggregation mode
From: Arnaldo Carvalho de Melo
Date: Wed Mar 18 2020 - 15:00:55 EST
Em Thu, Feb 20, 2020 at 11:53:55AM +0100, Jiri Olsa escreveu:
> On Tue, Feb 18, 2020 at 03:16:14PM +0800, Jin Yao wrote:
> > There is a slight misalignment in -A -I output.
> >
> > For example,
> >
> > perf stat -e cpu/event=cpu-cycles/ -a -A -I 1000
> >
> > # time CPU counts unit events
> > 1.000440863 CPU0 1,068,388 cpu/event=cpu-cycles/
> > 1.000440863 CPU1 875,954 cpu/event=cpu-cycles/
> > 1.000440863 CPU2 3,072,538 cpu/event=cpu-cycles/
> > 1.000440863 CPU3 4,026,870 cpu/event=cpu-cycles/
> > 1.000440863 CPU4 5,919,630 cpu/event=cpu-cycles/
> > 1.000440863 CPU5 2,714,260 cpu/event=cpu-cycles/
> > 1.000440863 CPU6 2,219,240 cpu/event=cpu-cycles/
> > 1.000440863 CPU7 1,299,232 cpu/event=cpu-cycles/
> >
> > The value of counts is not aligned with the column "counts" and
> > the event name is not aligned with the column "events".
> >
> > With this patch, the output is,
> >
> > perf stat -e cpu/event=cpu-cycles/ -a -A -I 1000
> >
> > # time CPU counts unit events
> > 1.000423009 CPU0 997,421 cpu/event=cpu-cycles/
> > 1.000423009 CPU1 1,422,042 cpu/event=cpu-cycles/
> > 1.000423009 CPU2 484,651 cpu/event=cpu-cycles/
> > 1.000423009 CPU3 525,791 cpu/event=cpu-cycles/
> > 1.000423009 CPU4 1,370,100 cpu/event=cpu-cycles/
> > 1.000423009 CPU5 442,072 cpu/event=cpu-cycles/
> > 1.000423009 CPU6 205,643 cpu/event=cpu-cycles/
> > 1.000423009 CPU7 1,302,250 cpu/event=cpu-cycles/
> >
> > Now output is aligned.
> >
> > Signed-off-by: Jin Yao <yao.jin@xxxxxxxxxxxxxxx>
>
> Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>
thanks, tested and applied.
- Arnaldo