From patchwork Wed Jul 1 13:04:33 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ahmed Karaman X-Patchwork-Id: 278982 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=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 5835AC433DF for ; Wed, 1 Jul 2020 13:07:04 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 24D2420772 for ; Wed, 1 Jul 2020 13:07:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="mufk6cqy" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 24D2420772 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36542 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jqcS7-0001W5-F5 for qemu-devel@archiver.kernel.org; Wed, 01 Jul 2020 09:07:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45560) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jqcRI-0000Rc-8F for qemu-devel@nongnu.org; Wed, 01 Jul 2020 09:06:12 -0400 Received: from mail-wm1-x343.google.com ([2a00:1450:4864:20::343]:51825) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jqcRF-0006JE-3y for qemu-devel@nongnu.org; Wed, 01 Jul 2020 09:06:11 -0400 Received: by mail-wm1-x343.google.com with SMTP id 22so22338143wmg.1 for ; Wed, 01 Jul 2020 06:06:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=kIYBXWX9BXXuUKMGqnrZxW4CtBrzH5WynUWnXM3gh5c=; b=mufk6cqysENsYL2kQAwZkHHTQkIknhj9pfLVq99KVkry5Nhec+mBt4yxgqwTJpyALp TUUX8oexCn8s+kAbTjLN41VXV5VCfwb73QSqKGgfqRnXNT2WIOCJh5m61eMUx8EruDgO ZbPwLbSQbgRgJjDQs0xgaAQKMqAWY3JOvatNo1ipNCbyQdsWy+YTeyTbd+xOL4TWNEXg Ixf3D3VUmWxKQi65vb7v/nxChFwIwxajbbprWY9Kta6dYnY1bdBUU1euVJ6Nu5zGFM33 D/tHawAifZh/AayoB4YY+uxqf/Oit2Lwz1WQeQLadG6aXnqBeyGIUUtrf5roidyby1KQ t5yg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=kIYBXWX9BXXuUKMGqnrZxW4CtBrzH5WynUWnXM3gh5c=; b=NcjRqsb76M/lnIAIPDcY1gP1e58WJHSmNiOw4z9GsZDsMRPwD0OIocUqH4dftX1Gj7 KJ/qxZ0s4dlv4mufq3DNjA5DYBhjkYCpg0uM6mcj+CpRveJNwVBBF7EOvM2h0SQLK8dn SpwoOoICxwmGxe9hjDblXdvYNSXm7X3Z1VymDVuqdvV9Ree/vjXsh2a2pFX7p+5e5qWB N1RNesOGlXPMc+ugNEnrXhMmUqTwdN02X+T3COmJCy8Su7svetanC2r9ZDVqmVrzLZTA bSDdqYhX3OsfMhO4HX5rUth7OYA9DIZyb8QAOayVE3lAS9+/YoU46FYt1p+BC8V1s4Ay DwKQ== X-Gm-Message-State: AOAM530KXvFEj6FZeRWNhjjvbl8nuOgeygimSjA7fD6eqmyVO87Bbf2B 0k1yBzZyyWUSd3c8UzK/ldYfD8b0 X-Google-Smtp-Source: ABdhPJxWDBFUiJncmIn2xcEW2YIHr2fdFpYGOC7kjbMwBDzTOl4iR4bKyL06BSi9DLEDdh3oTjRsug== X-Received: by 2002:a1c:e303:: with SMTP id a3mr25867689wmh.26.1593608766985; Wed, 01 Jul 2020 06:06:06 -0700 (PDT) Received: from AK-L.domain.name ([197.58.21.177]) by smtp.gmail.com with ESMTPSA id u65sm7053999wmg.5.2020.07.01.06.06.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Jul 2020 06:06:06 -0700 (PDT) From: Ahmed Karaman To: qemu-devel@nongnu.org, aleksandar.qemu.devel@gmail.com, alex.bennee@linaro.org, ldoktor@redhat.com, eblake@redhat.com, rth@twiddle.net, ehabkost@redhat.com, crosa@redhat.com, luoyonggang@gmail.com Subject: [PATCH 1/1] scripts/performance: Add dissect.py script Date: Wed, 1 Jul 2020 15:04:33 +0200 Message-Id: <20200701130433.1506-2-ahmedkhaledkaraman@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200701130433.1506-1-ahmedkhaledkaraman@gmail.com> References: <20200701130433.1506-1-ahmedkhaledkaraman@gmail.com> Received-SPF: pass client-ip=2a00:1450:4864:20::343; envelope-from=ahmedkhaledkaraman@gmail.com; helo=mail-wm1-x343.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Ahmed Karaman Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Python script that dissects QEMU execution into three main phases: code generation, JIT execution and helpers execution. Syntax: dissect.py [-h] -- [] \ [] [-h] - Print the script arguments help message. Example of usage: dissect.py -- qemu-arm coulomb_double-arm Example output: Total Instructions: 4,702,865,362 Code Generation: 115,819,309 2.463% JIT Execution: 1,081,980,528 23.007% Helpers: 3,505,065,525 74.530% Signed-off-by: Ahmed Karaman --- scripts/performance/dissect.py | 165 +++++++++++++++++++++++++++++++++ 1 file changed, 165 insertions(+) create mode 100644 scripts/performance/dissect.py diff --git a/scripts/performance/dissect.py b/scripts/performance/dissect.py new file mode 100644 index 0000000000..26121e4a43 --- /dev/null +++ b/scripts/performance/dissect.py @@ -0,0 +1,165 @@ +#!/usr/bin/env python3 + +# Print the percentage of instructions spent in each phase of QEMU +# execution. +# +# Syntax: +# dissect.py [-h] -- [] \ +# [] +# +# [-h] - Print the script arguments help message. +# +# Example of usage: +# dissect.py -- qemu-arm coulomb_double-arm +# +# This file is a part of the project "TCG Continuous Benchmarking". +# +# Copyright (C) 2020 Ahmed Karaman +# Copyright (C) 2020 Aleksandar Markovic +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 2 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +import argparse +import os +import subprocess +import sys + + +def get_JIT_line(callgrind_data): + """ + Search for the first instance of the JIT call in + the callgrind_annoutate output when ran using --tree=caller + This is equivalent to the self number of instructions of JIT. + + Parameters: + callgrind_data (list): callgrind_annotate output + + Returns: + (int): Line number + """ + line = -1 + for i in range(len(callgrind_data)): + if callgrind_data[i].strip('\n') and \ + callgrind_data[i].split()[-1] == "[???]": + line = i + break + if line == -1: + sys.exit("Couldn't locate the JIT call ... Exiting!") + return line + + +def main(): + # Parse the command line arguments + parser = argparse.ArgumentParser( + usage='dissect.py [-h] -- ' + ' [] ' + ' []') + + parser.add_argument('command', type=str, nargs='+', help=argparse.SUPPRESS) + + args = parser.parse_args() + + # Extract the needed variables from the args + command = args.command + + # Insure that valgrind is installed + check_valgrind = subprocess.run( + ["which", "valgrind"], stdout=subprocess.DEVNULL) + if check_valgrind.returncode: + sys.exit("Please install valgrind before running the script!") + + # Run callgrind + callgrind = subprocess.run((["valgrind", + "--tool=callgrind", + "--callgrind-out-file=/tmp/callgrind.data"] + + command), + stdout=subprocess.DEVNULL, + stderr=subprocess.PIPE) + if callgrind.returncode: + sys.exit(callgrind.stderr.decode("utf-8")) + + # Save callgrind_annotate output to /tmp/callgrind_annotate.out + with open("/tmp/callgrind_annotate.out", "w") as output: + callgrind_annotate = subprocess.run( + ["callgrind_annotate", "/tmp/callgrind.data", "--tree=caller"], + stdout=output, + stderr=subprocess.PIPE) + if callgrind_annotate.returncode: + os.unlink('/tmp/callgrind.data') + output.close() + os.unlink('/tmp/callgrind_annotate.out') + sys.exit(callgrind_annotate.stderr.decode("utf-8")) + + # Read the callgrind_annotate output to callgrind_data[] + callgrind_data = [] + with open('/tmp/callgrind_annotate.out', 'r') as data: + callgrind_data = data.readlines() + + # Line number with the total number of instructions + total_instructions_line_number = 20 + # Get the total number of instructions + total_instructions_line_data = \ + callgrind_data[total_instructions_line_number] + total_instructions = total_instructions_line_data.split()[0] + total_instructions = int(total_instructions.replace(',', '')) + + # Line number with the JIT self number of instructions + JIT_self_instructions_line_number = get_JIT_line(callgrind_data) + # Get the JIT self number of instructions + JIT_self_instructions_line_data = \ + callgrind_data[JIT_self_instructions_line_number] + JIT_self_instructions = JIT_self_instructions_line_data.split()[0] + JIT_self_instructions = int(JIT_self_instructions.replace(',', '')) + + # Line number with the JIT self + inclusive number of instructions + # It's the line above the first JIT call when running with --tree=caller + JIT_total_instructions_line_number = JIT_self_instructions_line_number - 1 + # Get the JIT self + inclusive number of instructions + JIT_total_instructions_line_data = \ + callgrind_data[JIT_total_instructions_line_number] + JIT_total_instructions = JIT_total_instructions_line_data.split()[0] + JIT_total_instructions = int(JIT_total_instructions.replace(',', '')) + + # Calculate number of instructions in helpers and code generation + helpers_instructions = JIT_total_instructions - JIT_self_instructions + code_generation_instructions = total_instructions - JIT_total_instructions + + # Print results (Insert commas in large numbers) + # Print total number of instructions + print('{:<20}{:>20}\n'. + format("Total Instructions:", + format(total_instructions, ','))) + # Print code generation instructions and percentage + print('{:<20}{:>20}\t{:>6.3f}%'. + format("Code Generation:", + format(code_generation_instructions, ","), + (code_generation_instructions / total_instructions) * 100)) + # Print JIT instructions and percentage + print('{:<20}{:>20}\t{:>6.3f}%'. + format("JIT Execution:", + format(JIT_self_instructions, ","), + (JIT_self_instructions / total_instructions) * 100)) + # Print helpers instructions and percentage + print('{:<20}{:>20}\t{:>6.3f}%'. + format("Helpers:", + format(helpers_instructions, ","), + (helpers_instructions/total_instructions)*100)) + + # Remove intermediate files + os.unlink('/tmp/callgrind.data') + os.unlink('/tmp/callgrind_annotate.out') + + +if __name__ == "__main__": + main()