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=-6.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 620DEC65C20 for ; Mon, 8 Oct 2018 17:50:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1AF16214C2 for ; Mon, 8 Oct 2018 17:50:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="oUaNTzJb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1AF16214C2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726483AbeJIBDK (ORCPT ); Mon, 8 Oct 2018 21:03:10 -0400 Received: from mail.kernel.org ([198.145.29.99]:60318 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726291AbeJIBDJ (ORCPT ); Mon, 8 Oct 2018 21:03:09 -0400 Received: from jouet.infradead.org (unknown [190.15.121.82]) (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 C7B6F2145D; Mon, 8 Oct 2018 17:50:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1539021018; bh=3Wauq6xlfHvu3uPPzdIv/fgqWncjfqtiYgdvmoAFii8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=oUaNTzJbLn+VgiSQC3uefCGNgFmdHzHGVz3nT+sozU44lPm8lUKBfHrJ1M22+CXub ppRDYQ7QAkNsAhvJArHKe4LnAIaIWxKDJfsVGkuoqnmb5JRxJPbh0iVhuSu4qL52xQ aAULvLSyqh3+CwXF9s/Ro77XhZV77NmiMEekRgQ0= Received: by jouet.infradead.org (Postfix, from userid 1000) id 67418141DDC; Mon, 8 Oct 2018 14:50:14 -0300 (-03) Date: Mon, 8 Oct 2018 14:50:14 -0300 From: Arnaldo Carvalho de Melo To: Andi Kleen Cc: jolsa@kernel.org, linux-kernel@vger.kernel.org, Andi Kleen Subject: Re: [PATCH v6 1/5] tools, perf, script: Add --insn-trace for instruction decoding Message-ID: <20181008175014.GS3541@kernel.org> References: <20180920180540.14039-1-andi@firstfloor.org> <20180920180540.14039-2-andi@firstfloor.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180920180540.14039-2-andi@firstfloor.org> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.9.2 (2017-12-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Thu, Sep 20, 2018 at 11:05:36AM -0700, Andi Kleen escreveu: > From: Andi Kleen > > Add a --insn-trace short hand option for decoding and disassembling > instruction streams for intel_pt. This automatically pipes the > output into the xed disassembler to generate disassembled instructions. > This just makes this use model much nicer to use > > Before > > % perf record -e intel_pt// ... > % perf script --itrace=i0ns --ns -F +insn,-event,-period | xed -F insn: -A -64 > swapper 0 [000] 117276.429606186: ffffffff81010486 pt_config ([kernel.kallsyms]) nopl %eax, (%rax,%rax,1) > swapper 0 [000] 117276.429606186: ffffffff8101048b pt_config ([kernel.kallsyms]) add $0x10, %rsp > swapper 0 [000] 117276.429606186: ffffffff8101048f pt_config ([kernel.kallsyms]) popq %rbx > swapper 0 [000] 117276.429606186: ffffffff81010490 pt_config ([kernel.kallsyms]) popq %rbp > swapper 0 [000] 117276.429606186: ffffffff81010491 pt_config ([kernel.kallsyms]) popq %r12 > swapper 0 [000] 117276.429606186: ffffffff81010493 pt_config ([kernel.kallsyms]) popq %r13 > swapper 0 [000] 117276.429606186: ffffffff81010495 pt_config ([kernel.kallsyms]) popq %r14 > swapper 0 [000] 117276.429606186: ffffffff81010497 pt_config ([kernel.kallsyms]) popq %r15 > swapper 0 [000] 117276.429606186: ffffffff81010499 pt_config ([kernel.kallsyms]) retq > swapper 0 [000] 117276.429606186: ffffffff8101063e pt_event_add ([kernel.kallsyms]) cmpl $0x1, 0x1b0(%rbx) > swapper 0 [000] 117276.429606186: ffffffff81010645 pt_event_add ([kernel.kallsyms]) mov $0xffffffea, %eax > swapper 0 [000] 117276.429606186: ffffffff8101064a pt_event_add ([kernel.kallsyms]) mov $0x0, %edx > swapper 0 [000] 117276.429606186: ffffffff8101064f pt_event_add ([kernel.kallsyms]) popq %rbx > swapper 0 [000] 117276.429606186: ffffffff81010650 pt_event_add ([kernel.kallsyms]) cmovnz %edx, %eax > swapper 0 [000] 117276.429606186: ffffffff81010653 pt_event_add ([kernel.kallsyms]) jmp 0xffffffff81010635 > swapper 0 [000] 117276.429606186: ffffffff81010635 pt_event_add ([kernel.kallsyms]) retq > swapper 0 [000] 117276.429606186: ffffffff8115e687 event_sched_in.isra.107 ([kernel.kallsyms]) test %eax, %eax > > Now > > % perf record -e intel_pt// ... > % perf script --insn-trace --xed > ... same output ... > > XED needs to be installed with: > > > git clone https://github.com/intelxed/mbuild.git mbuild > > git clone https://github.com/intelxed/xed > > cd xed > > mkdir obj > > cd obj > > ../mfile.py > > sudo ../mfile.py --prefix=/usr/local install > > Signed-off-by: Andi Kleen Fixed up whitespace damage in the Documentation for building xed, applied. - Arnaldo