From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>, Wang Nan <wangnan0@huawei.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Ingo Molnar <mingo@kernel.org>, David Ahern <dsahern@gmail.com>,
Namhyung Kim <namhyung@kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Intel PT not work on 4.5.0-rc
Date: Tue, 1 Mar 2016 15:20:35 -0300 [thread overview]
Message-ID: <20160301182035.GA3604@kernel.org> (raw)
In-Reply-To: <20160301155921.GE3170@kernel.org>
Em Tue, Mar 01, 2016 at 12:59:21PM -0300, Arnaldo Carvalho de Melo escreveu:
> Anyway, 'strace' shows the 4 pairs of mmaps, but it still doesn't work, rebooting:
After I reboot, all works:
[root@jouet ~]# perf record -e intel_pt//u -a sleep 0.001
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 1.119 MB perf.data ]
[root@jouet ~]# perf script | head -10
perf 3797 [002] 8136.590828: 1 branches:u: 0 [unknown] ([unknown]) => 7fcb3f240707 __GI___ioctl (/usr/lib64/libc-2.22.so)
perf 3797 [002] 8136.590828: 1 branches:u: 7fcb3f24070f __GI___ioctl (/usr/lib64/libc-2.22.so) => 497e56 perf_evsel__enable (/home/acme/bin/perf)
perf 3797 [002] 8136.590828: 1 branches:u: 497e58 perf_evsel__enable (/home/acme/bin/perf) => 497e20 perf_evsel__enable (/home/acme/bin/perf)
perf 3797 [002] 8136.590828: 1 branches:u: 497e27 perf_evsel__enable (/home/acme/bin/perf) => 497e80 perf_evsel__enable (/home/acme/bin/perf)
perf 3797 [002] 8136.590828: 1 branches:u: 497e87 perf_evsel__enable (/home/acme/bin/perf) => 497e14 perf_evsel__enable (/home/acme/bin/perf)
perf 3797 [002] 8136.590828: 1 branches:u: 497e1b perf_evsel__enable (/home/acme/bin/perf) => 497e29 perf_evsel__enable (/home/acme/bin/perf)
perf 3797 [002] 8136.590828: 1 branches:u: 497e51 perf_evsel__enable (/home/acme/bin/perf) => 421d00 ioctl@plt (/home/acme/bin/perf)
perf 3797 [002] 8136.590828: 1 branches:u: 421d00 ioctl@plt (/home/acme/bin/perf) => 7fcb3f240700 __GI___ioctl (/usr/lib64/libc-2.22.so)
perf 3797 [002] 8136.590828: 1 branches:u: 7fcb3f240705 __GI___ioctl (/usr/lib64/libc-2.22.so) => 0 [unknown] ([unknown])
perf 3797 [002] 8136.590834: 1 branches:u: 0 [unknown] ([unknown]) => 7fcb3f240707 __GI___ioctl (/usr/lib64/libc-2.22.so)
[root@jouet ~]#
[root@jouet ~]# perf report -D | tail -20
. 0020: 00 00 00 00 00 00 00 00 07 14 b9 72 66 07 00 00 ...........rf...
. 0030: 03 00 00 00 00 00 00 00 1e 00 00 00 00 00 00 00 ................
3 8136592790535 0x11e688 [0x40]: PERF_RECORD_AUX offset: 0x28 size: 0x28 flags: 0 []
Aggregated stats: (excludes AUX area (e.g. instruction trace) decoded / synthesized events)
TOTAL events: 8859
MMAP events: 120
COMM events: 509
EXIT events: 1
FORK events: 507
MMAP2 events: 7673
AUX events: 8
ITRACE_START events: 4
SWITCH_CPU_WIDE events: 26
FINISHED_ROUND events: 2
AUXTRACE_INFO events: 1
AUXTRACE events: 8
intel_pt//u stats:
dummy:u stats:
[root@jouet ~]#
Trying a suspend/resume now...
- Arnaldo
next prev parent reply other threads:[~2016-03-01 18:20 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-25 14:21 Arnaldo Carvalho de Melo
2016-02-25 21:59 ` Adrian Hunter
2016-03-01 15:40 ` Adrian Hunter
2016-03-01 15:59 ` Arnaldo Carvalho de Melo
2016-03-01 18:20 ` Arnaldo Carvalho de Melo [this message]
2016-03-01 18:24 ` Arnaldo Carvalho de Melo
2016-03-01 19:12 ` Arnaldo Carvalho de Melo
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