Messages in this thread | | | Date | Thu, 23 Feb 2012 19:10:48 +0200 | Subject | Re: [PATCH] perf report: Add a simple GTK2-based 'perf report' browser | From | Pekka Enberg <> |
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On Thu, Feb 23, 2012 at 6:53 PM, Arnaldo Carvalho de Melo <acme@ghostprotocols.net> wrote: > 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
Sorry, I don't understand how to interpret your numbers.
I used the same "perf record" command here which generated a 26 MB perf.data file. "perf report --gtk" starts up almost instantly here.
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