From patchwork Thu Jul 2 14:29:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ahmed Karaman X-Patchwork-Id: 11639065 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E1D8F618 for ; Thu, 2 Jul 2020 14:30:43 +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 B78D320748 for ; Thu, 2 Jul 2020 14:30:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="IgTSI09E" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B78D320748 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:45070 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jr0Ed-0000wS-1a for patchwork-qemu-devel@patchwork.kernel.org; Thu, 02 Jul 2020 10:30:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55046) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jr0Dx-00087l-D1 for qemu-devel@nongnu.org; Thu, 02 Jul 2020 10:30:01 -0400 Received: from mail-wr1-x444.google.com ([2a00:1450:4864:20::444]:42043) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jr0Dv-0003Mn-7D for qemu-devel@nongnu.org; Thu, 02 Jul 2020 10:30:01 -0400 Received: by mail-wr1-x444.google.com with SMTP id o11so28723721wrv.9 for ; Thu, 02 Jul 2020 07:29:58 -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=v76VNU0Dx2LFfNaSVKZRC0Op64JkZ2VPSoeeOvi7n0M=; b=IgTSI09EbJz9Mpe2umwKEHls5eqst9sAZu6ptUUC0ow1+tMRgbeuGN6y+luUBifH0g zl5MXgVsJwcvb++DiNQfhBayT0OsF7PuMXDLAou9i8dc0yrBtRWhhxQTroT5KZFu5Xfo lmyhOvRsjUKat0MSTGkvb6/HO3HJ6repXEhN1nd5+kDlneZjQVegYYmIUwlfUHL4hIR5 NUc2HjTNi7Lsp/uJK8PrJOUVkuY34XLuoltLYLh26hY+GManqr4XMzsdYiLmayP+pMHg SopaOBYIm7eEqBQuYaDo6iXKInDbZKa8BiMBfajR5AZO/Rz1urfvB4UPi8kG5f75ahoB wwwA== 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=v76VNU0Dx2LFfNaSVKZRC0Op64JkZ2VPSoeeOvi7n0M=; b=mQkd03KisyPMMOqZgg/VShmhQfOcfB6kQEEQu8gzRc2P0IHeWF2BKoMWiKxPPDK0iZ wMzHNHKqeyG8GLdxuhNZWkz3RkeaeF/Mp2RvVG+8woBl5lnnCdLiAK0CxWZ1j4cWLzlq bu58pQ+0vfGKpxcUc+ezIDumGRdHx9CizwRlfv71u6/pNG69eQLefxkkl2d+JcaIAH0V MS2d+qXCENK+QIzwX5LbgC2xAmX0vn+BS5QgCdwN8974Ll8SjKIleDk1LXxxdSb4lZ1p LQ9oXOAv8ui3gpePmHxEnSz+ssaHcUliUE1slFFS85hLN4TvGhrGsexpPOwcFv+GVdXh E/sQ== X-Gm-Message-State: AOAM531SNWv3tGRwhcF0o/hlvdb27EXCUJJqqSnBfhSkJrv48X30lFg6 ++MskGlg3zXG19RR/32kmw+9c7QA X-Google-Smtp-Source: ABdhPJyRBnIqzCJHvDSm0IDGAYViaD/7DDa1P57rx0UHB76B19ioyLECd/Ch+GdVDvMGDoZ0++ESfw== X-Received: by 2002:a5d:43d2:: with SMTP id v18mr31306465wrr.196.1593700196565; Thu, 02 Jul 2020 07:29:56 -0700 (PDT) Received: from AK-L.domain.name ([197.58.210.158]) by smtp.gmail.com with ESMTPSA id j14sm10818406wrs.75.2020.07.02.07.29.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Jul 2020 07:29:56 -0700 (PDT) From: Ahmed Karaman To: qemu-devel@nongnu.org, aleksandar.qemu.devel@gmail.com, alex.bennee@linaro.org, rth@twiddle.net, eblake@redhat.com, ldoktor@redhat.com, ehabkost@redhat.com, crosa@redhat.com Subject: [PATCH v2 1/1] scripts/performance: Add dissect.py script Date: Thu, 2 Jul 2020 16:29:42 +0200 Message-Id: <20200702142942.4887-2-ahmedkhaledkaraman@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200702142942.4887-1-ahmedkhaledkaraman@gmail.com> References: <20200702142942.4887-1-ahmedkhaledkaraman@gmail.com> Received-SPF: pass client-ip=2a00:1450:4864:20::444; envelope-from=ahmedkhaledkaraman@gmail.com; helo=mail-wr1-x444.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+patchwork-qemu-devel=patchwork.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 Reviewed-by: Aleksandar Markovic --- scripts/performance/dissect.py | 165 +++++++++++++++++++++++++++++++++ 1 file changed, 165 insertions(+) create mode 100755 scripts/performance/dissect.py diff --git a/scripts/performance/dissect.py b/scripts/performance/dissect.py new file mode 100755 index 0000000000..8c2967d082 --- /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_annotate 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()