1#!/usr/bin/env python 2# SPDX-License-Identifier: BSD-3-Clause 3# 4# Copyright (c) 2012, Neville-Neil Consulting 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions are 9# met: 10# 11# Redistributions of source code must retain the above copyright notice, 12# this list of conditions and the following disclaimer. 13# 14# Redistributions in binary form must reproduce the above copyright 15# notice, this list of conditions and the following disclaimer in the 16# documentation and/or other materials provided with the distribution. 17# 18# Neither the name of Neville-Neil Consulting nor the names of its 19# contributors may be used to endorse or promote products derived from 20# this software without specific prior written permission. 21# 22# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 23# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 24# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 25# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 26# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 27# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 28# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 32# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33# 34# Author: George V. Neville-Neil 35# 36# $FreeBSD$ 37 38# Description: A program to run a simple program against every available 39# pmc counter present in a system. 40# 41# To use: 42# 43# pmctest.py -p ls > /dev/null 44# 45# This should result in ls being run with every available counter 46# and the system should neither lock up nor panic. 47# 48# The default is to wait after each counter is tested. Since the 49# prompt would go to stdout you won't see it, just press return 50# to continue or Ctrl-D to stop. 51 52import sys 53import subprocess 54from subprocess import PIPE 55 56# Use input() for Python version 3 57if sys.version_info[0] == 3: 58 raw_input = input 59 60# A list of strings that are not really counters, just 61# name tags that are output by pmccontrol -L 62notcounter = ["IAF", "IAP", "TSC", "UNC", "UCF", "UCP", "SOFT" ] 63 64def main(): 65 66 from optparse import OptionParser 67 68 parser = OptionParser() 69 parser.add_option("-p", "--program", dest="program", 70 help="program to execute") 71 parser.add_option("-w", "--wait", action="store_true", dest="wait", 72 default=True, help="wait after each execution") 73 74 (options, args) = parser.parse_args() 75 76 if (options.program == None): 77 print("specify program, such as ls, with -p/--program") 78 sys.exit() 79 80 p = subprocess.Popen(["pmccontrol", "-L"], stdout=PIPE) 81 counters = p.communicate()[0] 82 83 if len(counters) <= 0: 84 print("no counters found") 85 sys.exit() 86 87 for counter in counters.split(): 88 if counter in notcounter: 89 continue 90 p = subprocess.Popen(["pmcstat", "-p", counter, options.program], 91 stdout=PIPE) 92 result = p.communicate()[0] 93 print(result) 94 if (options.wait == True): 95 try: 96 value = raw_input("next?") 97 except EOFError: 98 sys.exit() 99 100# The canonical way to make a python module into a script. 101# Remove if unnecessary. 102 103if __name__ == "__main__": 104 main() 105