Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755504AbbBLNoY (ORCPT ); Thu, 12 Feb 2015 08:44:24 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39101 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753150AbbBLNoX (ORCPT ); Thu, 12 Feb 2015 08:44:23 -0500 Date: Thu, 12 Feb 2015 14:42:41 +0100 From: Jiri Olsa To: Stephane Eranian 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 Message-ID: <20150212134241.GB6477@krava.brq.redhat.com> References: <1423611765-18200-1-git-send-email-eranian@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1423611765-18200-1-git-send-email-eranian@google.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3487 Lines: 70 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/