1231634Sgnn#!/usr/bin/env python 2231634Sgnn# Copyright (c) 2012, Neville-Neil Consulting 3231634Sgnn# All rights reserved. 4231634Sgnn# 5231634Sgnn# Redistribution and use in source and binary forms, with or without 6231634Sgnn# modification, are permitted provided that the following conditions are 7231634Sgnn# met: 8231634Sgnn# 9231634Sgnn# Redistributions of source code must retain the above copyright notice, 10231634Sgnn# this list of conditions and the following disclaimer. 11231634Sgnn# 12231634Sgnn# Redistributions in binary form must reproduce the above copyright 13231634Sgnn# notice, this list of conditions and the following disclaimer in the 14231634Sgnn# documentation and/or other materials provided with the distribution. 15231634Sgnn# 16231634Sgnn# Neither the name of Neville-Neil Consulting nor the names of its 17231634Sgnn# contributors may be used to endorse or promote products derived from 18231634Sgnn# this software without specific prior written permission. 19231634Sgnn# 20231634Sgnn# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21231634Sgnn# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22231634Sgnn# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23231634Sgnn# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24231634Sgnn# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25231634Sgnn# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26231634Sgnn# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27231634Sgnn# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28231634Sgnn# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29231634Sgnn# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30231634Sgnn# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31231634Sgnn# 32231634Sgnn# Author: George V. Neville-Neil 33231634Sgnn# 34231634Sgnn# $FreeBSD: releng/10.3/tools/test/hwpmc/pmctest.py 250612 2013-05-13 19:53:19Z hiren $ 35231634Sgnn 36231634Sgnn# Description: A program to run a simple program against every available 37231634Sgnn# pmc counter present in a system. 38231634Sgnn# 39231634Sgnn# To use: 40231634Sgnn# 41231698Sgnn# pmctest.py -p ls > /dev/null 42231634Sgnn# 43231634Sgnn# This should result in ls being run with every available counter 44231634Sgnn# and the system should neither lock up nor panic. 45231698Sgnn# 46231698Sgnn# The default is to wait after each counter is tested. Since the 47231698Sgnn# prompt would go to stdout you won't see it, just press return 48231698Sgnn# to continue or Ctrl-D to stop. 49231634Sgnn 50231634Sgnnimport sys 51231634Sgnnimport subprocess 52231634Sgnnfrom subprocess import PIPE 53231634Sgnn 54250612Shiren# Use input() for Python version 3 55250612Shirenif sys.version_info[0] == 3: 56250612Shiren raw_input = input 57250612Shiren 58231634Sgnn# A list of strings that are not really counters, just 59231634Sgnn# name tags that are output by pmccontrol -L 60240323Sfabientnotcounter = ["IAF", "IAP", "TSC", "UNC", "UCF", "UCP", "SOFT" ] 61231634Sgnn 62231634Sgnndef main(): 63231634Sgnn 64231698Sgnn from optparse import OptionParser 65231698Sgnn 66231698Sgnn parser = OptionParser() 67231698Sgnn parser.add_option("-p", "--program", dest="program", 68231698Sgnn help="program to execute") 69231698Sgnn parser.add_option("-w", "--wait", action="store_true", dest="wait", 70231698Sgnn default=True, help="wait after each execution") 71231634Sgnn 72231698Sgnn (options, args) = parser.parse_args() 73231634Sgnn 74240101Sgnn if (options.program == None): 75241826Seadler print("specify program, such as ls, with -p/--program") 76240101Sgnn sys.exit() 77240101Sgnn 78231634Sgnn p = subprocess.Popen(["pmccontrol", "-L"], stdout=PIPE) 79231634Sgnn counters = p.communicate()[0] 80231634Sgnn 81231634Sgnn if len(counters) <= 0: 82241826Seadler print("no counters found") 83231634Sgnn sys.exit() 84231634Sgnn 85231634Sgnn for counter in counters.split(): 86231634Sgnn if counter in notcounter: 87231634Sgnn continue 88231698Sgnn p = subprocess.Popen(["pmcstat", "-p", counter, options.program], 89231698Sgnn stdout=PIPE) 90231634Sgnn result = p.communicate()[0] 91241826Seadler print(result) 92231698Sgnn if (options.wait == True): 93231698Sgnn try: 94250612Shiren value = raw_input("next?") 95231698Sgnn except EOFError: 96231698Sgnn sys.exit() 97231634Sgnn 98231634Sgnn# The canonical way to make a python module into a script. 99231634Sgnn# Remove if unnecessary. 100231634Sgnn 101231634Sgnnif __name__ == "__main__": 102231634Sgnn main() 103