Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760773Ab3ICTYQ (ORCPT ); Tue, 3 Sep 2013 15:24:16 -0400 Received: from mail-ea0-f180.google.com ([209.85.215.180]:46869 "EHLO mail-ea0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753749Ab3ICTYO (ORCPT ); Tue, 3 Sep 2013 15:24:14 -0400 Date: Tue, 3 Sep 2013 21:24:11 +0200 From: Ingo Molnar To: Mark Wielaard Cc: Hemant , Masami Hiramatsu , linux-kernel@vger.kernel.org, srikar@linux.vnet.ibm.com, peterz@infradead.org, oleg@redhat.com, mingo@redhat.com, anton@redhat.com, systemtap@sourceware.org Subject: Re: [RFC PATCH 0/2] Perf support to SDT markers Message-ID: <20130903192411.GA2403@gmail.com> References: <20130903072944.4793.93584.stgit@hemant-fedora> <20130903082503.GA20732@gmail.com> <5225A937.2050507@hitachi.com> <5225E2C5.3080001@linux.vnet.ibm.com> <20130903142159.GA27740@gmail.com> <1378221062.3948.86.camel@bordewijk.wildebeest.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1378221062.3948.86.camel@bordewijk.wildebeest.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2706 Lines: 80 * Mark Wielaard wrote: > On Tue, 2013-09-03 at 16:21 +0200, Ingo Molnar wrote: > > * Hemant wrote: > > > > > Here is an overview and a high-level-description: > > > > Thanks, looks like a pretty useful feature - especially if SDT probes are > > already widely present in various server binaries on a typical Linux > > distro (are they?). > > They are becoming fairly common, especially now that glibc has adopted > them. And they were designed to be source compatible with DTRACE markers > [*]. So any program that has probes for dtrace can just be recompiled on > with sys/sdt.h to get them. > > My Fedora 19 box already has a couple of applications and libraries > installed that support them: > > $ stap -l 'process("/usr/*/*").mark("*")' | cut -f2 -d\" | uniq -c > 9 /usr/bin/Xorg > 9 /usr/bin/Xvfb > 4 /usr/bin/c++ > 4 /usr/bin/cpp > 4 /usr/bin/g++ > 4 /usr/bin/gcc > 1 /usr/bin/gcov > 4 /usr/bin/gfortran > 3 /usr/bin/qemu-ga > 75 /usr/bin/qemu-img > 75 /usr/bin/qemu-io > 75 /usr/bin/qemu-nbd > 575 /usr/bin/qemu-system-i386 > 575 /usr/bin/qemu-system-x86_64 > 29 /usr/bin/stap > 3 /usr/bin/stapdyn > 3 /usr/bin/virtfs-proxy-helper > 4 /usr/bin/x86_64-redhat-linux-c++ > 4 /usr/bin/x86_64-redhat-linux-g++ > 4 /usr/bin/x86_64-redhat-linux-gcc > 13 /usr/lib/ld-2.17.so > 1 /usr/lib/libanl-2.17.so > 5 /usr/lib/libc-2.17.so > 1 /usr/lib/libgcc_s-4.8.1-20130603.so.1 > 22 /usr/lib/libpthread-2.17.so > 1 /usr/lib/librt-2.17.so > 3 /usr/lib/libstdc++.so.6.0.18 > 13 /usr/lib64/ld-2.17.so > 1 /usr/lib64/libanl-2.17.so > 5 /usr/lib64/libc-2.17.so > 3 /usr/lib64/libcacard.so.0.0.0 > 1 /usr/lib64/libgcc_s-4.8.1-20130603.so.1 > 6 /usr/lib64/libglib-2.0.so.0.3600.3 > 11 /usr/lib64/libgobject-2.0.so.0.3600.3 > 4 /usr/lib64/libm-2.17.so > 23 /usr/lib64/libpthread-2.17.so > 2 /usr/lib64/libpython2.7.so.1.0 > 2 /usr/lib64/libpython3.3m.so.1.0 > 1 /usr/lib64/librt-2.17.so > 3 /usr/lib64/libstdc++.so.6.0.18 > 15 /usr/lib64/libtcl8.5.so > 41 /usr/lib64/libvirt.so.0.1000.5 > 37 /usr/libexec/libvirt_lxc > 12 /usr/sbin/ldconfig > 3 /usr/sbin/libvirtd > 34 /usr/sbin/prelink > 12 /usr/sbin/sln > 37 /usr/sbin/virtlockd Nice! Thanks, Ingo -- 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/