Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762225Ab3IDXmL (ORCPT ); Wed, 4 Sep 2013 19:42:11 -0400 Received: from mga01.intel.com ([192.55.52.88]:64468 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756966Ab3IDXmJ (ORCPT ); Wed, 4 Sep 2013 19:42:09 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.90,843,1371106800"; d="scan'208";a="391219228" From: Andi Kleen To: Hemant Kumar Shaw Cc: 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, masami.hiramatsu.pt@hitachi.com Subject: Re: [RFC PATCH 0/2] Perf support to SDT markers References: <20130903072944.4793.93584.stgit@hemant-fedora> Date: Wed, 04 Sep 2013 16:41:48 -0700 In-Reply-To: <20130903072944.4793.93584.stgit@hemant-fedora> (Hemant Kumar Shaw's message of "Tue, 03 Sep 2013 13:06:40 +0530") Message-ID: <87ppsonohv.fsf@tassilo.jf.intel.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 978 Lines: 24 Hemant Kumar Shaw writes: > This series adds support to perf to list and probe into the SDT markers. > The first patch implements listing of all the SDT markers present in > the ELFs (executables or libraries). The SDT markers are present in the > .note.stapsdt section of the elf. That section can be traversed to list > all the markers. Recognition of markers follows the SystemTap approach. > > The second patch will allow perf to probe into these markers. This is > done by writing the marker name and its offset into the > uprobe_events file in the tracing directory. > Then, perf tools can be used to analyze perf.data file. Nice feature -Andi -- ak@linux.intel.com -- Speaking for myself only -- 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/