aboutsummaryrefslogtreecommitdiffstats
path: root/scripts/rt-tester/rt-tester.py
blob: 44423b4dcb820959b82f6bf126e42a6c6d08f44c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
#!/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",
    "lockbkl"       : "9",
    "unlockbkl"     : "10",
    "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]):
                        # Seperate 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)

Privacy Policy