linux-kernel - Re: [PATCH 2/7] perf data: Switch to multiple cpu stream files

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Message-ID: <20150420204939.GQ11111@kernel.org>
Date:	Mon, 20 Apr 2015 17:49:39 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Jiri Olsa <jolsa@...nel.org>, David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	He Kuang <hekuang@...wei.com>, Ingo Molnar <mingo@...nel.org>,
	Jeremie Galarneau <jgalar@...icios.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Tom Zanussi <tzanussi@...il.com>,
	Wang Nan <wangnan0@...wei.com>,
	lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/7] perf data: Switch to multiple cpu stream files

Em Mon, Apr 20, 2015 at 05:41:29PM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Mon, Apr 20, 2015 at 10:19:44PM +0200, Jiri Olsa escreveu:
> > On Mon, Apr 20, 2015 at 04:58:54PM -0300, Arnaldo Carvalho de Melo wrote:
> > > With latest babeltrace.git:
> > > 
> > > [acme@zoo babeltrace]$ git log --oneline | head -1
> > > 48d711a204f6 Fix: Missing stdint.h in stream-class.h
> > 
> > hum, this is rather old one (Mar 10th), current is:
> > 
> > [jolsa@...va babeltrace]$ git show --oneline | head -1
> > d8f190b24d52 Add tests for bt_ctf_field_string_append_len()

<SNIP>
 
> [acme@zoo babeltrace]$ git checkout -b master origin/master
> Branch master set up to track remote branch master from origin.
> Switched to a new branch 'master'
> [acme@zoo babeltrace]$ git log --oneline | head -1
> d8f190b24d52 Add tests for bt_ctf_field_string_append_len()
> [acme@zoo babeltrace]$ 
> 
> will try again those patches...

Works now, continuing to process the others.o

- Arnaldo

[root@zoo ~]# perf record -a usleep 1
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 1.343 MB perf.data (24 samples) ]
[root@zoo ~]# 
[root@zoo ~]# perf data convert --to-ctf=ctf
[ perf data convert: Converted 'perf.data' into CTF data 'ctf' ]
[ perf data convert: Converted and wrote 0.001 MB (24 samples) ]
[root@zoo ~]# ls -la ctf
total 176
drwxr-x---.  2 root root  4096 Apr 20 17:48 .
dr-xr-x---. 21 root root 36864 Apr 20 17:48 ..
-rw-r-----.  1 root root  2468 Apr 20 17:48 metadata
-rw-r-----.  1 root root 32768 Apr 20 17:48 perf_stream_0
-rw-r-----.  1 root root 32768 Apr 20 17:48 perf_stream_1
-rw-r-----.  1 root root 32768 Apr 20 17:48 perf_stream_2
-rw-r-----.  1 root root 32768 Apr 20 17:48 perf_stream_3
[root@zoo ~]# babeltrace ctf
bash: babeltrace: command not found...
[root@zoo ~]# /opt/libbabeltrace/bin/babeltrace ctf
[23:15:23.559883150] (+?.?????????) cycles: { cpu_id = 0 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 2344, perf_pid = 2344, perf_period = 1 }
[23:15:23.559885913] (+0.000002763) cycles: { cpu_id = 0 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 2344, perf_pid = 2344, perf_period = 1 }
[23:15:23.559886994] (+0.000001081) cycles: { cpu_id = 0 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 2344, perf_pid = 2344, perf_period = 11 }
[23:15:23.559889237] (+0.000002243) cycles: { cpu_id = 0 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 2344, perf_pid = 2344, perf_period = 281 }
[23:15:23.559928349] (+0.000039112) cycles: { cpu_id = 1 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 1 }
[23:15:23.559930427] (+0.000002078) cycles: { cpu_id = 1 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 1 }
[23:15:23.559931532] (+0.000001105) cycles: { cpu_id = 1 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 14 }
[23:15:23.559932945] (+0.000001413) cycles: { cpu_id = 1 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 382 }
[23:15:23.559940818] (+0.000007873) cycles: { cpu_id = 2 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 1 }
[23:15:23.559942796] (+0.000001978) cycles: { cpu_id = 2 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 1 }
[23:15:23.559944288] (+0.000001492) cycles: { cpu_id = 2 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 16 }
[23:15:23.559946113] (+0.000001825) cycles: { cpu_id = 2 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 344 }
[23:15:23.559964274] (+0.000018161) cycles: { cpu_id = 3 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 1 }
[23:15:23.559966375] (+0.000002101) cycles: { cpu_id = 3 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 1 }
[23:15:23.559967491] (+0.000001116) cycles: { cpu_id = 3 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 15 }
[23:15:23.559968894] (+0.000001403) cycles: { cpu_id = 3 }, { perf_ip = 0xFFFFFFFF8105E8AA, perf_tid = 0, perf_pid = 0, perf_period = 404 }
[23:15:23.560102516] (+0.000133622) cycles: { cpu_id = 3 }, { perf_ip = 0xFFFFFFFF810D659E, perf_tid = 2345, perf_pid = 2345, perf_period = 8401 }
[23:15:23.560105701] (+0.000003185) cycles: { cpu_id = 3 }, { perf_ip = 0xFFFFFFFF810CDDC0, perf_tid = 2345, perf_pid = 2345, perf_period = 9317 }
[23:15:23.560109298] (+0.000003597) cycles: { cpu_id = 3 }, { perf_ip = 0xFFFFFFFF8131793E, perf_tid = 2345, perf_pid = 2345, perf_period = 97191 }
[23:15:23.560140949] (+0.000031651) cycles: { cpu_id = 3 }, { perf_ip = 0xFFFFFFFF81100D70, perf_tid = 0, perf_pid = 0, perf_period = 929183 }
[23:15:23.562123834] (+0.001982885) cycles: { cpu_id = 2 }, { perf_ip = 0xFFFFFFFF8109F5F5, perf_tid = 2345, perf_pid = 2345, perf_period = 5662 }
[23:15:23.562133948] (+0.000010114) cycles: { cpu_id = 2 }, { perf_ip = 0xFFFFFFFF8104C859, perf_tid = 2345, perf_pid = 2345, perf_period = 5662 }
[23:15:23.562143711] (+0.000009763) cycles: { cpu_id = 2 }, { perf_ip = 0xFFFFFFFF810CDFA5, perf_tid = 2345, perf_pid = 2345, perf_period = 21836 }
[23:15:23.562174958] (+0.000031247) cycles: { cpu_id = 2 }, { perf_ip = 0xFFFFFFFF813A2B50, perf_tid = 2345, perf_pid = 2345, perf_period = 88041 }
[root@zoo ~]#
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