[PATCH] pi-futex: rt mutex tester
RT-mutex tester: scriptable tester for rt mutexes, which allows userspace
scripting of mutex unit-tests (and dynamic tests as well), using the actual
rt-mutex implementation of the kernel.
[akpm@osdl.org: fixlet]
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/scripts/rt-tester/check-all.sh b/scripts/rt-tester/check-all.sh
new file mode 100644
index 0000000..ac45c3e
--- /dev/null
+++ b/scripts/rt-tester/check-all.sh
@@ -0,0 +1,21 @@
+
+
+function testit ()
+{
+ printf "%-30s: " $1
+ ./rt-tester.py $1 | grep Pass
+}
+
+testit t2-l1-2rt-sameprio.tst
+testit t2-l1-pi.tst
+testit t2-l1-signal.tst
+#testit t2-l2-2rt-deadlock.tst
+testit t3-l1-pi-1rt.tst
+testit t3-l1-pi-2rt.tst
+testit t3-l1-pi-3rt.tst
+testit t3-l1-pi-signal.tst
+testit t3-l1-pi-steal.tst
+testit t3-l2-pi.tst
+testit t4-l2-pi-deboost.tst
+testit t5-l4-pi-boost-deboost.tst
+
diff --git a/scripts/rt-tester/rt-tester.py b/scripts/rt-tester/rt-tester.py
new file mode 100644
index 0000000..4c79660
--- /dev/null
+++ b/scripts/rt-tester/rt-tester.py
@@ -0,0 +1,222 @@
+#!/usr/bin/env 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)
+
+
diff --git a/scripts/rt-tester/t2-l1-2rt-sameprio.tst b/scripts/rt-tester/t2-l1-2rt-sameprio.tst
new file mode 100644
index 0000000..a2b6f2a
--- /dev/null
+++ b/scripts/rt-tester/t2-l1-2rt-sameprio.tst
@@ -0,0 +1,101 @@
+#
+# RT-Mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal 0
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 2 threads 1 lock
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedfifo: 0: 80
+W: opcodeeq: 0: 0
+C: schedfifo: 1: 80
+W: opcodeeq: 1: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+C: locknowait: 1: 0
+W: locked: 0: 0
+W: blocked: 1: 0
+T: prioeq: 0: 80
+
+# T0 unlock L0
+C: unlock: 0: 0
+W: locked: 1: 0
+
+# Verify T0
+W: unlocked: 0: 0
+T: prioeq: 0: 80
+
+# Unlock
+C: unlock: 1: 0
+W: unlocked: 1: 0
+
+# T1,T0 lock L0
+C: locknowait: 1: 0
+C: locknowait: 0: 0
+W: locked: 1: 0
+W: blocked: 0: 0
+T: prioeq: 1: 80
+
+# T1 unlock L0
+C: unlock: 1: 0
+W: locked: 0: 0
+
+# Verify T1
+W: unlocked: 1: 0
+T: prioeq: 1: 80
+
+# Unlock and exit
+C: unlock: 0: 0
+W: unlocked: 0: 0
+
diff --git a/scripts/rt-tester/t2-l1-pi.tst b/scripts/rt-tester/t2-l1-pi.tst
new file mode 100644
index 0000000..aa4c894
--- /dev/null
+++ b/scripts/rt-tester/t2-l1-pi.tst
@@ -0,0 +1,84 @@
+#
+# RT-Mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal 0
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 2 threads 1 lock with priority inversion
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedother: 0: 0
+W: opcodeeq: 0: 0
+C: schedfifo: 1: 80
+W: opcodeeq: 1: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L0
+C: locknowait: 1: 0
+W: blocked: 1: 0
+T: prioeq: 0: 80
+
+# T0 unlock L0
+C: unlock: 0: 0
+W: locked: 1: 0
+
+# Verify T1
+W: unlocked: 0: 0
+T: priolt: 0: 1
+
+# Unlock and exit
+C: unlock: 1: 0
+W: unlocked: 1: 0
+
diff --git a/scripts/rt-tester/t2-l1-signal.tst b/scripts/rt-tester/t2-l1-signal.tst
new file mode 100644
index 0000000..c47ba06
--- /dev/null
+++ b/scripts/rt-tester/t2-l1-signal.tst
@@ -0,0 +1,79 @@
+#
+# RT-Mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal 0
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 2 threads 1 lock with priority inversion
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedother: 0: 0
+W: opcodeeq: 0: 0
+C: schedother: 1: 0
+W: opcodeeq: 1: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L0
+C: lockintnowait: 1: 0
+W: blocked: 1: 0
+
+# Interrupt T1
+C: signal: 1: 0
+W: unlocked: 1: 0
+T: opcodeeq: 1: -4
+
+# Unlock and exit
+C: unlock: 0: 0
+W: unlocked: 0: 0
diff --git a/scripts/rt-tester/t2-l2-2rt-deadlock.tst b/scripts/rt-tester/t2-l2-2rt-deadlock.tst
new file mode 100644
index 0000000..0cee476
--- /dev/null
+++ b/scripts/rt-tester/t2-l2-2rt-deadlock.tst
@@ -0,0 +1,91 @@
+#
+# RT-Mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal 0
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 2 threads 2 lock
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedfifo: 0: 80
+W: opcodeeq: 0: 0
+C: schedfifo: 1: 80
+W: opcodeeq: 1: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L1
+C: locknowait: 1: 1
+W: locked: 1: 1
+
+# T0 lock L1
+C: lockintnowait: 0: 1
+W: blocked: 0: 1
+
+# T1 lock L0
+C: lockintnowait: 1: 0
+W: blocked: 1: 0
+
+# Make deadlock go away
+C: signal: 1: 0
+W: unlocked: 1: 0
+C: signal: 0: 0
+W: unlocked: 0: 1
+
+# Unlock and exit
+C: unlock: 0: 0
+W: unlocked: 0: 0
+C: unlock: 1: 1
+W: unlocked: 1: 1
+
diff --git a/scripts/rt-tester/t3-l1-pi-1rt.tst b/scripts/rt-tester/t3-l1-pi-1rt.tst
new file mode 100644
index 0000000..a5eaf7e
--- /dev/null
+++ b/scripts/rt-tester/t3-l1-pi-1rt.tst
@@ -0,0 +1,95 @@
+#
+# rt-mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal thread to signal (0-7)
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 3 threads 1 lock PI
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedother: 0: 0
+W: opcodeeq: 0: 0
+C: schedother: 1: 0
+W: opcodeeq: 1: 0
+C: schedfifo: 2: 82
+W: opcodeeq: 2: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L0
+C: locknowait: 1: 0
+W: blocked: 1: 0
+T: priolt: 0: 1
+
+# T2 lock L0
+C: locknowait: 2: 0
+W: blocked: 2: 0
+T: prioeq: 0: 82
+
+# T0 unlock L0
+C: unlock: 0: 0
+
+# Wait until T2 got the lock
+W: locked: 2: 0
+W: unlocked: 0: 0
+T: priolt: 0: 1
+
+# T2 unlock L0
+C: unlock: 2: 0
+
+W: unlocked: 2: 0
+W: locked: 1: 0
+
+C: unlock: 1: 0
+W: unlocked: 1: 0
diff --git a/scripts/rt-tester/t3-l1-pi-2rt.tst b/scripts/rt-tester/t3-l1-pi-2rt.tst
new file mode 100644
index 0000000..c622391
--- /dev/null
+++ b/scripts/rt-tester/t3-l1-pi-2rt.tst
@@ -0,0 +1,96 @@
+#
+# rt-mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal thread to signal (0-7)
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 3 threads 1 lock PI
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedother: 0: 0
+W: opcodeeq: 0: 0
+C: schedfifo: 1: 81
+W: opcodeeq: 1: 0
+C: schedfifo: 2: 82
+W: opcodeeq: 2: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L0
+C: locknowait: 1: 0
+W: blocked: 1: 0
+T: prioeq: 0: 81
+
+# T2 lock L0
+C: locknowait: 2: 0
+W: blocked: 2: 0
+T: prioeq: 0: 82
+T: prioeq: 1: 81
+
+# T0 unlock L0
+C: unlock: 0: 0
+
+# Wait until T2 got the lock
+W: locked: 2: 0
+W: unlocked: 0: 0
+T: priolt: 0: 1
+
+# T2 unlock L0
+C: unlock: 2: 0
+
+W: unlocked: 2: 0
+W: locked: 1: 0
+
+C: unlock: 1: 0
+W: unlocked: 1: 0
diff --git a/scripts/rt-tester/t3-l1-pi-3rt.tst b/scripts/rt-tester/t3-l1-pi-3rt.tst
new file mode 100644
index 0000000..b5057fb
--- /dev/null
+++ b/scripts/rt-tester/t3-l1-pi-3rt.tst
@@ -0,0 +1,95 @@
+#
+# rt-mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal thread to signal (0-7)
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 3 threads 1 lock PI
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedfifo: 0: 80
+W: opcodeeq: 0: 0
+C: schedfifo: 1: 81
+W: opcodeeq: 1: 0
+C: schedfifo: 2: 82
+W: opcodeeq: 2: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L0
+C: locknowait: 1: 0
+W: blocked: 1: 0
+T: prioeq: 0: 81
+
+# T2 lock L0
+C: locknowait: 2: 0
+W: blocked: 2: 0
+T: prioeq: 0: 82
+
+# T0 unlock L0
+C: unlock: 0: 0
+
+# Wait until T2 got the lock
+W: locked: 2: 0
+W: unlocked: 0: 0
+T: prioeq: 0: 80
+
+# T2 unlock L0
+C: unlock: 2: 0
+
+W: locked: 1: 0
+W: unlocked: 2: 0
+
+C: unlock: 1: 0
+W: unlocked: 1: 0
diff --git a/scripts/rt-tester/t3-l1-pi-signal.tst b/scripts/rt-tester/t3-l1-pi-signal.tst
new file mode 100644
index 0000000..3e427da
--- /dev/null
+++ b/scripts/rt-tester/t3-l1-pi-signal.tst
@@ -0,0 +1,101 @@
+#
+# rt-mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal thread to signal (0-7)
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+# Reset event counter
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set priorities
+C: schedother: 0: 0
+W: opcodeeq: 0: 0
+C: schedfifo: 1: 80
+W: opcodeeq: 1: 0
+C: schedfifo: 2: 81
+W: opcodeeq: 2: 0
+
+# T0 lock L0
+C: lock: 0: 0
+W: locked: 0: 0
+
+# T1 lock L0, no wait in the wakeup path
+C: locknowait: 1: 0
+W: blocked: 1: 0
+T: prioeq: 0: 80
+T: prioeq: 1: 80
+
+# T2 lock L0 interruptible, no wait in the wakeup path
+C: lockintnowait: 2: 0
+W: blocked: 2: 0
+T: prioeq: 0: 81
+T: prioeq: 1: 80
+
+# Interrupt T2
+C: signal: 2: 2
+W: unlocked: 2: 0
+T: prioeq: 1: 80
+T: prioeq: 0: 80
+
+T: locked: 0: 0
+T: blocked: 1: 0
+
+# T0 unlock L0
+C: unlock: 0: 0
+
+# Wait until T1 has locked L0 and exit
+W: locked: 1: 0
+W: unlocked: 0: 0
+T: priolt: 0: 1
+
+C: unlock: 1: 0
+W: unlocked: 1: 0
+
+
+
diff --git a/scripts/rt-tester/t3-l1-pi-steal.tst b/scripts/rt-tester/t3-l1-pi-steal.tst
new file mode 100644
index 0000000..72c24a9
--- /dev/null
+++ b/scripts/rt-tester/t3-l1-pi-steal.tst
@@ -0,0 +1,99 @@
+#
+# rt-mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal thread to signal (0-7)
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 3 threads 1 lock PI steal pending ownership
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedother: 0: 0
+W: opcodeeq: 0: 0
+C: schedfifo: 1: 80
+W: opcodeeq: 1: 0
+C: schedfifo: 2: 81
+W: opcodeeq: 2: 0
+
+# T0 lock L0
+C: lock: 0: 0
+W: locked: 0: 0
+
+# T1 lock L0
+C: lock: 1: 0
+W: blocked: 1: 0
+T: prioeq: 0: 80
+
+# T0 unlock L0
+C: unlock: 0: 0
+
+# Wait until T1 is in the wakeup loop
+W: blockedwake: 1: 0
+T: priolt: 0: 1
+
+# T2 lock L0
+C: lock: 2: 0
+# T1 leave wakeup loop
+C: lockcont: 1: 0
+
+# T2 must have the lock and T1 must be blocked
+W: locked: 2: 0
+W: blocked: 1: 0
+
+# T2 unlock L0
+C: unlock: 2: 0
+
+# Wait until T1 is in the wakeup loop and let it run
+W: blockedwake: 1: 0
+C: lockcont: 1: 0
+W: locked: 1: 0
+C: unlock: 1: 0
+W: unlocked: 1: 0
diff --git a/scripts/rt-tester/t3-l2-pi.tst b/scripts/rt-tester/t3-l2-pi.tst
new file mode 100644
index 0000000..2ba0dce
--- /dev/null
+++ b/scripts/rt-tester/t3-l2-pi.tst
@@ -0,0 +1,95 @@
+#
+# rt-mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal thread to signal (0-7)
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 3 threads 2 lock PI
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedother: 0: 0
+W: opcodeeq: 0: 0
+C: schedother: 1: 0
+W: opcodeeq: 1: 0
+C: schedfifo: 2: 82
+W: opcodeeq: 2: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L0
+C: locknowait: 1: 0
+W: blocked: 1: 0
+T: priolt: 0: 1
+
+# T2 lock L0
+C: locknowait: 2: 0
+W: blocked: 2: 0
+T: prioeq: 0: 82
+
+# T0 unlock L0
+C: unlock: 0: 0
+
+# Wait until T2 got the lock
+W: locked: 2: 0
+W: unlocked: 0: 0
+T: priolt: 0: 1
+
+# T2 unlock L0
+C: unlock: 2: 0
+
+W: unlocked: 2: 0
+W: locked: 1: 0
+
+C: unlock: 1: 0
+W: unlocked: 1: 0
diff --git a/scripts/rt-tester/t4-l2-pi-deboost.tst b/scripts/rt-tester/t4-l2-pi-deboost.tst
new file mode 100644
index 0000000..01f1a80
--- /dev/null
+++ b/scripts/rt-tester/t4-l2-pi-deboost.tst
@@ -0,0 +1,127 @@
+#
+# rt-mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal thread to signal (0-7)
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 4 threads 2 lock PI
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedother: 0: 0
+W: opcodeeq: 0: 0
+C: schedother: 1: 0
+W: opcodeeq: 1: 0
+C: schedfifo: 2: 82
+W: opcodeeq: 2: 0
+C: schedfifo: 3: 83
+W: opcodeeq: 3: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L1
+C: locknowait: 1: 1
+W: locked: 1: 1
+
+# T3 lock L0
+C: lockintnowait: 3: 0
+W: blocked: 3: 0
+T: prioeq: 0: 83
+
+# T0 lock L1
+C: lock: 0: 1
+W: blocked: 0: 1
+T: prioeq: 1: 83
+
+# T1 unlock L1
+C: unlock: 1: 1
+
+# Wait until T0 is in the wakeup code
+W: blockedwake: 0: 1
+
+# Verify that T1 is unboosted
+W: unlocked: 1: 1
+T: priolt: 1: 1
+
+# T2 lock L1 (T0 is boosted and pending owner !)
+C: locknowait: 2: 1
+W: blocked: 2: 1
+T: prioeq: 0: 83
+
+# Interrupt T3 and wait until T3 returned
+C: signal: 3: 0
+W: unlocked: 3: 0
+
+# Verify prio of T0 (still pending owner,
+# but T2 is enqueued due to the previous boost by T3
+T: prioeq: 0: 82
+
+# Let T0 continue
+C: lockcont: 0: 1
+W: locked: 0: 1
+
+# Unlock L1 and let T2 get L1
+C: unlock: 0: 1
+W: locked: 2: 1
+
+# Verify that T0 is unboosted
+W: unlocked: 0: 1
+T: priolt: 0: 1
+
+# Unlock everything and exit
+C: unlock: 2: 1
+W: unlocked: 2: 1
+
+C: unlock: 0: 0
+W: unlocked: 0: 0
+
diff --git a/scripts/rt-tester/t5-l4-pi-boost-deboost.tst b/scripts/rt-tester/t5-l4-pi-boost-deboost.tst
new file mode 100644
index 0000000..efa0788
--- /dev/null
+++ b/scripts/rt-tester/t5-l4-pi-boost-deboost.tst
@@ -0,0 +1,148 @@
+#
+# rt-mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal thread to signal (0-7)
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 5 threads 4 lock PI
+#
+C: resetevent: 0: 0
+W: opcodeeq: 0: 0
+
+# Set schedulers
+C: schedother: 0: 0
+W: opcodeeq: 0: 0
+C: schedfifo: 1: 81
+W: opcodeeq: 1: 0
+C: schedfifo: 2: 82
+W: opcodeeq: 2: 0
+C: schedfifo: 3: 83
+W: opcodeeq: 3: 0
+C: schedfifo: 4: 84
+W: opcodeeq: 4: 0
+
+# T0 lock L0
+C: locknowait: 0: 0
+W: locked: 0: 0
+
+# T1 lock L1
+C: locknowait: 1: 1
+W: locked: 1: 1
+
+# T1 lock L0
+C: lockintnowait: 1: 0
+W: blocked: 1: 0
+T: prioeq: 0: 81
+
+# T2 lock L2
+C: locknowait: 2: 2
+W: locked: 2: 2
+
+# T2 lock L1
+C: lockintnowait: 2: 1
+W: blocked: 2: 1
+T: prioeq: 0: 82
+T: prioeq: 1: 82
+
+# T3 lock L3
+C: locknowait: 3: 3
+W: locked: 3: 3
+
+# T3 lock L2
+C: lockintnowait: 3: 2
+W: blocked: 3: 2
+T: prioeq: 0: 83
+T: prioeq: 1: 83
+T: prioeq: 2: 83
+
+# T4 lock L3
+C: lockintnowait: 4: 3
+W: blocked: 4: 3
+T: prioeq: 0: 84
+T: prioeq: 1: 84
+T: prioeq: 2: 84
+T: prioeq: 3: 84
+
+# Signal T4
+C: signal: 4: 0
+W: unlocked: 4: 3
+T: prioeq: 0: 83
+T: prioeq: 1: 83
+T: prioeq: 2: 83
+T: prioeq: 3: 83
+
+# Signal T3
+C: signal: 3: 0
+W: unlocked: 3: 2
+T: prioeq: 0: 82
+T: prioeq: 1: 82
+T: prioeq: 2: 82
+
+# Signal T2
+C: signal: 2: 0
+W: unlocked: 2: 1
+T: prioeq: 0: 81
+T: prioeq: 1: 81
+
+# Signal T1
+C: signal: 1: 0
+W: unlocked: 1: 0
+T: priolt: 0: 1
+
+# Unlock and exit
+C: unlock: 3: 3
+C: unlock: 2: 2
+C: unlock: 1: 1
+C: unlock: 0: 0
+
+W: unlocked: 3: 3
+W: unlocked: 2: 2
+W: unlocked: 1: 1
+W: unlocked: 0: 0
+