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