From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46920ECE58D for ; Fri, 11 Oct 2019 20:09:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 158A6214E0 for ; Fri, 11 Oct 2019 20:09:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570824557; bh=hRssVjJozDbgXXqypSQuDtaSt0pFXyt01jIZuzIFxAs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=cP2D+011pHx5344mMzPpGLUnqt5CNW7JzBr4P3UtUVMK98jbsafRaMV0xLeY2xV0L Bm9BxY/kIWqHz88c36JV+zooBooVZp1fNiP12u5vq14Fx6h2qzySojktqIemyQTA0h BXK6QWiEKIwUjAN2Bi5MdNOYs+hOGNTFDG0ZknMQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729512AbfJKUJQ (ORCPT ); Fri, 11 Oct 2019 16:09:16 -0400 Received: from mail.kernel.org ([198.145.29.99]:44912 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728855AbfJKUJP (ORCPT ); Fri, 11 Oct 2019 16:09:15 -0400 Received: from quaco.ghostprotocols.net (189-94-137-67.3g.claro.net.br [189.94.137.67]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9921C21D7C; Fri, 11 Oct 2019 20:09:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570824554; bh=hRssVjJozDbgXXqypSQuDtaSt0pFXyt01jIZuzIFxAs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1Ch+zxMd089rm2lJ/sGJnWa2FZ/okuMhcm6o9hy3q0neyaQQtkf09yD8JEM6lEEt7 vcjEKFFOUbJfMljL/iWPmRhX2vhhn53y1WTn6ZJBjI4FVGLtb9NEdJgo157mW6xJ6m on06WZJvmy5HMUTTjXvwJtQSUOZJ39wP7pLwo5Xk= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Brendan Gregg , =?UTF-8?q?Luis=20Cl=C3=A1udio=20Gon=C3=A7alves?= Subject: [PATCH 31/69] perf trace: Associate the "msr" tracepoint arg name with x86_MSR__scnprintf() Date: Fri, 11 Oct 2019 17:05:21 -0300 Message-Id: <20191011200559.7156-32-acme@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191011200559.7156-1-acme@kernel.org> References: <20191011200559.7156-1-acme@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo So that we can go from: # perf trace -e msr:write_msr --max-stack=16 sleep 1 0.000 sleep/6740 msr:write_msr(msr: 3221225728, val: 139636317451648) do_trace_write_msr ([kernel.kallsyms]) do_trace_write_msr ([kernel.kallsyms]) do_arch_prctl_64 ([kernel.kallsyms]) __x64_sys_arch_prctl ([kernel.kallsyms]) do_syscall_64 ([kernel.kallsyms]) entry_SYSCALL_64 ([kernel.kallsyms]) init_tls (/usr/lib64/ld-2.29.so) dl_main (/usr/lib64/ld-2.29.so) _dl_sysdep_start (/usr/lib64/ld-2.29.so) _dl_start (/usr/lib64/ld-2.29.so) # To: # perf trace -e msr:write_msr --max-stack=16 sleep 1 0.000 sleep/8519 msr:write_msr(msr: FS_BASE, val: 139878031705472) do_trace_write_msr ([kernel.kallsyms]) do_trace_write_msr ([kernel.kallsyms]) do_arch_prctl_64 ([kernel.kallsyms]) __x64_sys_arch_prctl ([kernel.kallsyms]) do_syscall_64 ([kernel.kallsyms]) entry_SYSCALL_64 ([kernel.kallsyms]) init_tls (/usr/lib64/ld-2.29.so) dl_main (/usr/lib64/ld-2.29.so) _dl_sysdep_start (/usr/lib64/ld-2.29.so) _dl_start (/usr/lib64/ld-2.29.so) # This, in reverse, will allow for symbolic system call/tracepoint filtering. Cc: Adrian Hunter Cc: Brendan Gregg Cc: Jiri Olsa Cc: Luis Cláudio Gonçalves Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-q1q4unmqja5ex7dy0kb5cjaa@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d52972ca6123..e9f132aa5a09 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1480,6 +1480,7 @@ static int syscall__alloc_arg_fmts(struct syscall *sc, int nr_args) } static struct syscall_arg_fmt syscall_arg_fmts__by_name[] = { + { .name = "msr", .scnprintf = SCA_X86_MSR, } }; static int syscall_arg_fmt__cmp(const void *name, const void *fmtp) -- 2.21.0