From: Jiri Olsa <jolsa@redhat.com>
To: Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, acme@redhat.com,
peterz@infradead.org, mingo@elte.hu, ak@linux.intel.com,
namhyung@kernel.org, cel@us.ibm.com, sukadev@linux.vnet.ibm.com,
sonnyrao@chromium.org, johnmccutchan@google.com
Subject: Re: [PATCH 0/4] perf: add support for profiling jitted code
Date: Thu, 12 Feb 2015 14:42:41 +0100 [thread overview]
Message-ID: <20150212134241.GB6477@krava.brq.redhat.com> (raw)
In-Reply-To: <1423611765-18200-1-git-send-email-eranian@google.com>
On Wed, Feb 11, 2015 at 12:42:41AM +0100, Stephane Eranian wrote:
SNIP
> To use the new feature:
> - install the posix clock driver
> - make sure you chmod 644 /dev/trace_clock
> - compile perf
> - cd tools/perf/jvmti; make; install wherever is appropriate
>
> Example using openJDK:
> $ perf record java -agentpath:libjvmti.so my_class
> java: jvmti: jitdump in $HOME/.debug/jit/java-jit-20150207.XXL9649H/jit-6320.dump
> $ perf inject -i perf.data -j $HOME/.debug/jit/java-jit-20150207.XXL9649H/jit-6320.dump -o perf.data.jitted
> $ perf report -i perf.data.jitted
So report should display Java symbols now right? Is there something
wrong with my test below?
thanks,
jirka
[jolsa@ibm-x3650m4-01 perf]$ ./perf record java -agentpath:./jvmti/libjvmti.so Puppy
java: jvmti: jitdump in /home/jolsa/.debug/jit/java-jit-20150212.XXru95af/jit-3777.dump
Passed Name is :tommy
Puppy's age is :2
Variable Value :2
^C[ perf record: Woken up 3 times to write data ]
[ perf record: Captured and wrote 0.666 MB perf.data (17258 samples) ]
[jolsa@ibm-x3650m4-01 perf]$ ./perf inject -v -i perf.data -j /home/jolsa/.debug/jit/java-jit-20150212.XXru95af/jit-3777.dump -o perf.data.jitted
build id event received for /lib/modules/3.19.0-rc7jit+/build/vmlinux: 4bb9dab963421f041b3eb3ec588fc07a58de4fa8
build id event received for /usr/bin/bash: c9f090657c35c10d6edeca09f62de9d22060a706
build id event received for /usr/lib64/ld-2.18.so: dddaf5704dbe9ace5c31f12ab90d8bfeb8fc5eb3
build id event received for [vdso]: b9e5cb1dcb2ab0d9d969fdc0816c4ad9af37e26b
build id event received for /usr/lib64/libc-2.18.so: f1b808c85f949e82cf864c1ef5a13c8acc703e3b
build id event received for /usr/lib64/libpthread-2.18.so: 5b1e8bb0e7ae081585497d797e06614815b768ef
build id event received for /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.31.x86_64/jre/lib/amd64/server/libjvm.so: 7b87f33ae1b3150058839496dbe5b5521f8977b3
build id event received for /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.31.x86_64/jre/lib/amd64/libjava.so: 32594e2184996cd7ff8257c8ef70656d91d2b03c
build id event received for /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.31.x86_64/jre/lib/amd64/libzip.so: 5cbb2075b9b316fc39dd0d5f9b0dcc8825256a4b
version=1
size=32(0)
ts=0x26feca
pid=3777
elf_mach=62
failed to write feature 2
[jolsa@ibm-x3650m4-01 perf]$ ./perf report -i perf.data.jitted --stdio | head -13
Failed to open /tmp/perf-3777.map, continuing without symbols
# To display the perf.data header info, please use --header/--header-only options.
#
# Samples: 17K of event 'cycles'
# Event count (approx.): 9728779054
#
# Overhead Command Shared Object Symbol
# ........ ......... .................. .....................................................
#
50.90% java-abrt perf-3777.map [.] 0x00007f93a501e550
15.00% java-abrt perf-3777.map [.] 0x00007f93a501e586
14.16% java-abrt perf-3777.map [.] 0x00007f93a501e579
12.63% java-abrt perf-3777.map [.] 0x00007f93a501e67b
3.04% java-abrt perf-3777.map [.] 0x00007f93a501e685
next prev parent reply other threads:[~2015-02-12 13:44 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-10 23:42 [PATCH 0/4] perf: add support for profiling jitted code Stephane Eranian
2015-02-10 23:42 ` [PATCH 1/4] perf tools: add Java demangling support Stephane Eranian
2015-02-12 8:12 ` Namhyung Kim
2015-02-12 11:27 ` Jiri Olsa
2015-02-10 23:42 ` [PATCH 2/4] perf tools: pass timestamp to map_init Stephane Eranian
2015-02-16 6:55 ` Adrian Hunter
2015-02-10 23:42 ` [PATCH 3/4] perf inject: add jitdump mmap injection support Stephane Eranian
2015-02-11 11:59 ` Peter Zijlstra
2015-02-11 13:13 ` Stephane Eranian
2015-02-11 15:27 ` David Ahern
2015-02-12 8:19 ` Namhyung Kim
2015-02-10 23:42 ` [PATCH 4/4] perf tools: add JVMTI agent library Stephane Eranian
2015-02-12 8:21 ` Namhyung Kim
2015-02-12 13:25 ` Jiri Olsa
2015-02-12 16:09 ` Stephane Eranian
2015-02-12 16:58 ` Andi Kleen
2015-02-12 17:11 ` Stephane Eranian
2015-02-16 7:01 ` Adrian Hunter
2015-02-16 20:22 ` Stephane Eranian
2015-02-18 8:43 ` Adrian Hunter
2015-02-11 11:39 ` [PATCH 0/4] perf: add support for profiling jitted code Peter Zijlstra
2015-02-11 13:18 ` Stephane Eranian
2015-02-11 16:15 ` Peter Zijlstra
2015-02-11 16:25 ` David Ahern
2015-02-12 13:42 ` Jiri Olsa [this message]
2015-02-12 17:27 ` Stephane Eranian
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