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SubjectRe: [PATCH] perf report: Add a simple GTK2-based 'perf report' browser
Em Thu, Feb 23, 2012 at 02:47:39PM -0200, Arnaldo Carvalho de Melo escreveu:
> Em Thu, Feb 23, 2012 at 06:45:04PM +0200, Pekka Enberg escreveu:
> > On Thu, 2012-02-23 at 14:39 -0200, Arnaldo Carvalho de Melo wrote:
> > > > Dunno, probably. Does that matter, though? It's pretty damn fast as-is.
> > >
> > > Well, what kinds of perf.data file are you feeding it?
> >
> > It's a real-world case where I'm profiling JRuby startup under Jato with
> > perf:
> >
> > penberg@jaguar:~/src/jato$ ls -lh perf.data
> > -rw------- 1 penberg penberg 453K 2012-02-23 18:06 perf.data
> >
> > On Thu, 2012-02-23 at 14:39 -0200, Arnaldo Carvalho de Melo wrote:
> > > I'm testing it now with large ones, lets see.
> >
> > How big files are we talking about here?
>
> 5 MB ones, say.

Nah:

[root@felicio linux]# perf record -a -F 10000 sleep 5m
[ perf record: Woken up 166 times to write data ]
[ perf record: Captured and wrote 42.104 MB perf.data (~1839573 samples)
]
[root@felicio linux]#
[root@felicio linux]#
[root@felicio linux]# perf report --gtk

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
10618 root 20 0 408m 170m 49m S 0.0 2.2 0:04.71 perf

[root@felicio linux]# perf report --tui

10633 root 20 0 379m 165m 45m S 0.0 2.1 0:01.15 perf

> But the way you did it is pretty minimalistic, which is good, its just
> that I don't really like the idea of having two mirror data structures
> representing the report lines.

- Arnaldo


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