Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966537AbZLHV6n (ORCPT ); Tue, 8 Dec 2009 16:58:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S966254AbZLHV6l (ORCPT ); Tue, 8 Dec 2009 16:58:41 -0500 Received: from mx1.redhat.com ([209.132.183.28]:25412 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965722AbZLHV6l (ORCPT ); Tue, 8 Dec 2009 16:58:41 -0500 From: Masami Hiramatsu Subject: [PATCH -tip 0/8] perf-probe updates To: Ingo Molnar , Frederic Weisbecker , lkml Cc: Ingo Molnar , Steven Rostedt , Jim Keniston , Ananth N Mavinakayanahalli , Christoph Hellwig , "Frank Ch. Eigler" , Frederic Weisbecker , Jason Baron , "K.Prasad" , Peter Zijlstra , Srikar Dronamraju , Arnaldo Carvalho de Melo , systemtap , DLE Date: Tue, 08 Dec 2009 17:02:32 -0500 Message-ID: <20091208220232.10142.2643.stgit@dhcp-100-2-132.bos.redhat.com> User-Agent: StGIT/0.14.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2561 Lines: 72 Hi Ingo, I made several usability updates and added --del option for perf-probe. I think most of basic functions are implemented. I'm planning to support checking build-id next, because it can prevent users to use old vmlinux for debuginfo analysis. Here are the todo list I have (most of them had been requested on LKML). I'd like to share this list with other developers who are interested in. Short-term TODOs: - Support checking kernel Build-ID Long-term TODOs (future features): - Support --line option to show which lines user can probe - Support lazy string matching(glob?) for selecting probing line - Support sys_perf_counter_open (for non-root users) - Support tracing static variables (non global) - Support variable types from debuginfo (e.g. char, int, ...) - Support fields of data structures (var->field) - Support array (var[N]) - Support dynamic array-indexing (var[var2]) - Support string/dynamic arrays (*var, var[N..M]) - Support force type-casting ((type)var) - Support the type of return value Miscs: - Support glob expression with --del option (like --del "*") - Support event/group name specifying for new events - Better support for probes on modules - Symbol search by libelf/kallsyms - Move onto libdw/libdwfl - Storing file name/line number information in the kernel for listing events Thank you, --- Masami Hiramatsu (8): perf probe: Update perf-probe document perf probe: Support --del option trace-kprobe: Support delete probe syntax perf probe: Support vmlinux on cwd by default perf probe: Remove event suffix number _0 perf probe: Fix add-probe command syntax without --add option perf probe: Change probe-added message more user-friendly perf probe: Change event list format kernel/trace/trace_kprobe.c | 37 +++++++-- tools/perf/Documentation/perf-probe.txt | 21 ++++- tools/perf/builtin-probe.c | 76 ++++++++++++++++--- tools/perf/util/probe-event.c | 122 ++++++++++++++++++++++++++++--- tools/perf/util/probe-event.h | 1 5 files changed, 217 insertions(+), 40 deletions(-) -- Masami Hiramatsu Software Engineer Hitachi Computer Products (America), Inc. Software Solutions Division e-mail: mhiramat@redhat.com -- 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/