Messages in this thread | | | Date | Thu, 23 Feb 2012 14:53:02 -0200 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH] perf report: Add a simple GTK2-based 'perf report' browser |
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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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