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Diffstat (limited to 'scripts/rt-tester/rt-tester.py')
| -rwxr-xr-x | scripts/rt-tester/rt-tester.py | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/scripts/rt-tester/rt-tester.py b/scripts/rt-tester/rt-tester.py new file mode 100755 index 000000000..6d916c2a4 --- /dev/null +++ b/scripts/rt-tester/rt-tester.py @@ -0,0 +1,218 @@ +#!/usr/bin/python +# +# rt-mutex tester +# +# (C) 2006 Thomas Gleixner <tglx@linutronix.de> +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +import os +import sys +import getopt +import shutil +import string + +# Globals +quiet = 0 +test = 0 +comments = 0 + +sysfsprefix = "/sys/devices/system/rttest/rttest" +statusfile = "/status" +commandfile = "/command" + +# Command opcodes +cmd_opcodes = { + "schedother" : "1", + "schedfifo" : "2", + "lock" : "3", + "locknowait" : "4", + "lockint" : "5", + "lockintnowait" : "6", + "lockcont" : "7", + "unlock" : "8", + "signal" : "11", + "resetevent" : "98", + "reset" : "99", + } + +test_opcodes = { + "prioeq" : ["P" , "eq" , None], + "priolt" : ["P" , "lt" , None], + "priogt" : ["P" , "gt" , None], + "nprioeq" : ["N" , "eq" , None], + "npriolt" : ["N" , "lt" , None], + "npriogt" : ["N" , "gt" , None], + "unlocked" : ["M" , "eq" , 0], + "trylock" : ["M" , "eq" , 1], + "blocked" : ["M" , "eq" , 2], + "blockedwake" : ["M" , "eq" , 3], + "locked" : ["M" , "eq" , 4], + "opcodeeq" : ["O" , "eq" , None], + "opcodelt" : ["O" , "lt" , None], + "opcodegt" : ["O" , "gt" , None], + "eventeq" : ["E" , "eq" , None], + "eventlt" : ["E" , "lt" , None], + "eventgt" : ["E" , "gt" , None], + } + +# Print usage information +def usage(): + print "rt-tester.py <-c -h -q -t> <testfile>" + print " -c display comments after first command" + print " -h help" + print " -q quiet mode" + print " -t test mode (syntax check)" + print " testfile: read test specification from testfile" + print " otherwise from stdin" + return + +# Print progress when not in quiet mode +def progress(str): + if not quiet: + print str + +# Analyse a status value +def analyse(val, top, arg): + + intval = int(val) + + if top[0] == "M": + intval = intval / (10 ** int(arg)) + intval = intval % 10 + argval = top[2] + elif top[0] == "O": + argval = int(cmd_opcodes.get(arg, arg)) + else: + argval = int(arg) + + # progress("%d %s %d" %(intval, top[1], argval)) + + if top[1] == "eq" and intval == argval: + return 1 + if top[1] == "lt" and intval < argval: + return 1 + if top[1] == "gt" and intval > argval: + return 1 + return 0 + +# Parse the commandline +try: + (options, arguments) = getopt.getopt(sys.argv[1:],'chqt') +except getopt.GetoptError, ex: + usage() + sys.exit(1) + +# Parse commandline options +for option, value in options: + if option == "-c": + comments = 1 + elif option == "-q": + quiet = 1 + elif option == "-t": + test = 1 + elif option == '-h': + usage() + sys.exit(0) + +# Select the input source +if arguments: + try: + fd = open(arguments[0]) + except Exception,ex: + sys.stderr.write("File not found %s\n" %(arguments[0])) + sys.exit(1) +else: + fd = sys.stdin + +linenr = 0 + +# Read the test patterns +while 1: + + linenr = linenr + 1 + line = fd.readline() + if not len(line): + break + + line = line.strip() + parts = line.split(":") + + if not parts or len(parts) < 1: + continue + + if len(parts[0]) == 0: + continue + + if parts[0].startswith("#"): + if comments > 1: + progress(line) + continue + + if comments == 1: + comments = 2 + + progress(line) + + cmd = parts[0].strip().lower() + opc = parts[1].strip().lower() + tid = parts[2].strip() + dat = parts[3].strip() + + try: + # Test or wait for a status value + if cmd == "t" or cmd == "w": + testop = test_opcodes[opc] + + fname = "%s%s%s" %(sysfsprefix, tid, statusfile) + if test: + print fname + continue + + while 1: + query = 1 + fsta = open(fname, 'r') + status = fsta.readline().strip() + fsta.close() + stat = status.split(",") + for s in stat: + s = s.strip() + if s.startswith(testop[0]): + # Separate status value + val = s[2:].strip() + query = analyse(val, testop, dat) + break + if query or cmd == "t": + break + + progress(" " + status) + + if not query: + sys.stderr.write("Test failed in line %d\n" %(linenr)) + sys.exit(1) + + # Issue a command to the tester + elif cmd == "c": + cmdnr = cmd_opcodes[opc] + # Build command string and sys filename + cmdstr = "%s:%s" %(cmdnr, dat) + fname = "%s%s%s" %(sysfsprefix, tid, commandfile) + if test: + print fname + continue + fcmd = open(fname, 'w') + fcmd.write(cmdstr) + fcmd.close() + + except Exception,ex: + sys.stderr.write(str(ex)) + sys.stderr.write("\nSyntax error in line %d\n" %(linenr)) + if not test: + fd.close() + sys.exit(1) + +# Normal exit pass +print "Pass" +sys.exit(0) |