Commit 1b0b7c17 authored by Davidlohr Bueso's avatar Davidlohr Bueso Committed by Thomas Gleixner

rtmutex: Delete scriptable tester

No one uses this anymore, and this is not the first time the
idea of replacing it with a (now possible) userspace side.
Lock stealing logic was removed long ago in when the lock
was granted to the highest prio.
Signed-off-by: default avatarDavidlohr Bueso <dbueso@suse.de>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Mike Galbraith <umgwanakikbuti@gmail.com>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1435782588-4177-2-git-send-email-dave@stgolabs.netSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent ab51fbab
...@@ -242,7 +242,6 @@ CONFIG_LOCKUP_DETECTOR=y ...@@ -242,7 +242,6 @@ CONFIG_LOCKUP_DETECTOR=y
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
CONFIG_PANIC_ON_OOPS=y CONFIG_PANIC_ON_OOPS=y
CONFIG_DEBUG_RT_MUTEXES=y CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_RT_MUTEX_TESTER=y
CONFIG_PROVE_RCU_DELAY=y CONFIG_PROVE_RCU_DELAY=y
CONFIG_DEBUG_BLOCK_EXT_DEVT=y CONFIG_DEBUG_BLOCK_EXT_DEVT=y
CONFIG_LATENCYTOP=y CONFIG_LATENCYTOP=y
......
...@@ -295,7 +295,6 @@ CONFIG_DEBUG_SHIRQ=y ...@@ -295,7 +295,6 @@ CONFIG_DEBUG_SHIRQ=y
CONFIG_DETECT_HUNG_TASK=y CONFIG_DETECT_HUNG_TASK=y
CONFIG_TIMER_STATS=y CONFIG_TIMER_STATS=y
CONFIG_DEBUG_RT_MUTEXES=y CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_RT_MUTEX_TESTER=y
CONFIG_DEBUG_SPINLOCK=y CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y CONFIG_DEBUG_MUTEXES=y
CONFIG_RCU_CPU_STALL_INFO=y CONFIG_RCU_CPU_STALL_INFO=y
......
...@@ -616,7 +616,6 @@ CONFIG_SCHED_DEBUG=y ...@@ -616,7 +616,6 @@ CONFIG_SCHED_DEBUG=y
# CONFIG_SLUB_DEBUG_ON is not set # CONFIG_SLUB_DEBUG_ON is not set
# CONFIG_SLUB_STATS is not set # CONFIG_SLUB_STATS is not set
# CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_DEBUG_RT_MUTEXES is not set
# CONFIG_RT_MUTEX_TESTER is not set
# CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_SPINLOCK is not set
# CONFIG_DEBUG_MUTEXES is not set # CONFIG_DEBUG_MUTEXES is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
......
...@@ -20,7 +20,6 @@ obj-$(CONFIG_PROVE_LOCKING) += spinlock.o ...@@ -20,7 +20,6 @@ obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
obj-$(CONFIG_QUEUED_SPINLOCKS) += qspinlock.o obj-$(CONFIG_QUEUED_SPINLOCKS) += qspinlock.o
obj-$(CONFIG_RT_MUTEXES) += rtmutex.o obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o
obj-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o obj-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o
......
/*
* RT-Mutex-tester: scriptable tester for rt mutexes
*
* started by Thomas Gleixner:
*
* Copyright (C) 2006, Timesys Corp., Thomas Gleixner <tglx@timesys.com>
*
*/
#include <linux/device.h>
#include <linux/kthread.h>
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/sched/rt.h>
#include <linux/spinlock.h>
#include <linux/timer.h>
#include <linux/freezer.h>
#include <linux/stat.h>
#include "rtmutex.h"
#define MAX_RT_TEST_THREADS 8
#define MAX_RT_TEST_MUTEXES 8
static spinlock_t rttest_lock;
static atomic_t rttest_event;
struct test_thread_data {
int opcode;
int opdata;
int mutexes[MAX_RT_TEST_MUTEXES];
int event;
struct device dev;
};
static struct test_thread_data thread_data[MAX_RT_TEST_THREADS];
static struct task_struct *threads[MAX_RT_TEST_THREADS];
static struct rt_mutex mutexes[MAX_RT_TEST_MUTEXES];
enum test_opcodes {
RTTEST_NOP = 0,
RTTEST_SCHEDOT, /* 1 Sched other, data = nice */
RTTEST_SCHEDRT, /* 2 Sched fifo, data = prio */
RTTEST_LOCK, /* 3 Lock uninterruptible, data = lockindex */
RTTEST_LOCKNOWAIT, /* 4 Lock uninterruptible no wait in wakeup, data = lockindex */
RTTEST_LOCKINT, /* 5 Lock interruptible, data = lockindex */
RTTEST_LOCKINTNOWAIT, /* 6 Lock interruptible no wait in wakeup, data = lockindex */
RTTEST_LOCKCONT, /* 7 Continue locking after the wakeup delay */
RTTEST_UNLOCK, /* 8 Unlock, data = lockindex */
/* 9, 10 - reserved for BKL commemoration */
RTTEST_SIGNAL = 11, /* 11 Signal other test thread, data = thread id */
RTTEST_RESETEVENT = 98, /* 98 Reset event counter */
RTTEST_RESET = 99, /* 99 Reset all pending operations */
};
static int handle_op(struct test_thread_data *td, int lockwakeup)
{
int i, id, ret = -EINVAL;
switch(td->opcode) {
case RTTEST_NOP:
return 0;
case RTTEST_LOCKCONT:
td->mutexes[td->opdata] = 1;
td->event = atomic_add_return(1, &rttest_event);
return 0;
case RTTEST_RESET:
for (i = 0; i < MAX_RT_TEST_MUTEXES; i++) {
if (td->mutexes[i] == 4) {
rt_mutex_unlock(&mutexes[i]);
td->mutexes[i] = 0;
}
}
return 0;
case RTTEST_RESETEVENT:
atomic_set(&rttest_event, 0);
return 0;
default:
if (lockwakeup)
return ret;
}
switch(td->opcode) {
case RTTEST_LOCK:
case RTTEST_LOCKNOWAIT:
id = td->opdata;
if (id < 0 || id >= MAX_RT_TEST_MUTEXES)
return ret;
td->mutexes[id] = 1;
td->event = atomic_add_return(1, &rttest_event);
rt_mutex_lock(&mutexes[id]);
td->event = atomic_add_return(1, &rttest_event);
td->mutexes[id] = 4;
return 0;
case RTTEST_LOCKINT:
case RTTEST_LOCKINTNOWAIT:
id = td->opdata;
if (id < 0 || id >= MAX_RT_TEST_MUTEXES)
return ret;
td->mutexes[id] = 1;
td->event = atomic_add_return(1, &rttest_event);
ret = rt_mutex_lock_interruptible(&mutexes[id], 0);
td->event = atomic_add_return(1, &rttest_event);
td->mutexes[id] = ret ? 0 : 4;
return ret ? -EINTR : 0;
case RTTEST_UNLOCK:
id = td->opdata;
if (id < 0 || id >= MAX_RT_TEST_MUTEXES || td->mutexes[id] != 4)
return ret;
td->event = atomic_add_return(1, &rttest_event);
rt_mutex_unlock(&mutexes[id]);
td->event = atomic_add_return(1, &rttest_event);
td->mutexes[id] = 0;
return 0;
default:
break;
}
return ret;
}
/*
* Schedule replacement for rtsem_down(). Only called for threads with
* PF_MUTEX_TESTER set.
*
* This allows us to have finegrained control over the event flow.
*
*/
void schedule_rt_mutex_test(struct rt_mutex *mutex)
{
int tid, op, dat;
struct test_thread_data *td;
/* We have to lookup the task */
for (tid = 0; tid < MAX_RT_TEST_THREADS; tid++) {
if (threads[tid] == current)
break;
}
BUG_ON(tid == MAX_RT_TEST_THREADS);
td = &thread_data[tid];
op = td->opcode;
dat = td->opdata;
switch (op) {
case RTTEST_LOCK:
case RTTEST_LOCKINT:
case RTTEST_LOCKNOWAIT:
case RTTEST_LOCKINTNOWAIT:
if (mutex != &mutexes[dat])
break;
if (td->mutexes[dat] != 1)
break;
td->mutexes[dat] = 2;
td->event = atomic_add_return(1, &rttest_event);
break;
default:
break;
}
schedule();
switch (op) {
case RTTEST_LOCK:
case RTTEST_LOCKINT:
if (mutex != &mutexes[dat])
return;
if (td->mutexes[dat] != 2)
return;
td->mutexes[dat] = 3;
td->event = atomic_add_return(1, &rttest_event);
break;
case RTTEST_LOCKNOWAIT:
case RTTEST_LOCKINTNOWAIT:
if (mutex != &mutexes[dat])
return;
if (td->mutexes[dat] != 2)
return;
td->mutexes[dat] = 1;
td->event = atomic_add_return(1, &rttest_event);
return;
default:
return;
}
td->opcode = 0;
for (;;) {
set_current_state(TASK_INTERRUPTIBLE);
if (td->opcode > 0) {
int ret;
set_current_state(TASK_RUNNING);
ret = handle_op(td, 1);
set_current_state(TASK_INTERRUPTIBLE);
if (td->opcode == RTTEST_LOCKCONT)
break;
td->opcode = ret;
}
/* Wait for the next command to be executed */
schedule();
}
/* Restore previous command and data */
td->opcode = op;
td->opdata = dat;
}
static int test_func(void *data)
{
struct test_thread_data *td = data;
int ret;
current->flags |= PF_MUTEX_TESTER;
set_freezable();
allow_signal(SIGHUP);
for(;;) {
set_current_state(TASK_INTERRUPTIBLE);
if (td->opcode > 0) {
set_current_state(TASK_RUNNING);
ret = handle_op(td, 0);
set_current_state(TASK_INTERRUPTIBLE);
td->opcode = ret;
}
/* Wait for the next command to be executed */
schedule();
try_to_freeze();
if (signal_pending(current))
flush_signals(current);
if(kthread_should_stop())
break;
}
return 0;
}
/**
* sysfs_test_command - interface for test commands
* @dev: thread reference
* @buf: command for actual step
* @count: length of buffer
*
* command syntax:
*
* opcode:data
*/
static ssize_t sysfs_test_command(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct sched_param schedpar;
struct test_thread_data *td;
char cmdbuf[32];
int op, dat, tid, ret;
td = container_of(dev, struct test_thread_data, dev);
tid = td->dev.id;
/* strings from sysfs write are not 0 terminated! */
if (count >= sizeof(cmdbuf))
return -EINVAL;
/* strip of \n: */
if (buf[count-1] == '\n')
count--;
if (count < 1)
return -EINVAL;
memcpy(cmdbuf, buf, count);
cmdbuf[count] = 0;
if (sscanf(cmdbuf, "%d:%d", &op, &dat) != 2)
return -EINVAL;
switch (op) {
case RTTEST_SCHEDOT:
schedpar.sched_priority = 0;
ret = sched_setscheduler(threads[tid], SCHED_NORMAL, &schedpar);
if (ret)
return ret;
set_user_nice(current, 0);
break;
case RTTEST_SCHEDRT:
schedpar.sched_priority = dat;
ret = sched_setscheduler(threads[tid], SCHED_FIFO, &schedpar);
if (ret)
return ret;
break;
case RTTEST_SIGNAL:
send_sig(SIGHUP, threads[tid], 0);
break;
default:
if (td->opcode > 0)
return -EBUSY;
td->opdata = dat;
td->opcode = op;
wake_up_process(threads[tid]);
}
return count;
}
/**
* sysfs_test_status - sysfs interface for rt tester
* @dev: thread to query
* @buf: char buffer to be filled with thread status info
*/
static ssize_t sysfs_test_status(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct test_thread_data *td;
struct task_struct *tsk;
char *curr = buf;
int i;
td = container_of(dev, struct test_thread_data, dev);
tsk = threads[td->dev.id];
spin_lock(&rttest_lock);
curr += sprintf(curr,
"O: %4d, E:%8d, S: 0x%08lx, P: %4d, N: %4d, B: %p, M:",
td->opcode, td->event, tsk->state,
(MAX_RT_PRIO - 1) - tsk->prio,
(MAX_RT_PRIO - 1) - tsk->normal_prio,
tsk->pi_blocked_on);
for (i = MAX_RT_TEST_MUTEXES - 1; i >=0 ; i--)
curr += sprintf(curr, "%d", td->mutexes[i]);
spin_unlock(&rttest_lock);
curr += sprintf(curr, ", T: %p, R: %p\n", tsk,
mutexes[td->dev.id].owner);
return curr - buf;
}
static DEVICE_ATTR(status, S_IRUSR, sysfs_test_status, NULL);
static DEVICE_ATTR(command, S_IWUSR, NULL, sysfs_test_command);
static struct bus_type rttest_subsys = {
.name = "rttest",
.dev_name = "rttest",
};
static int init_test_thread(int id)
{
thread_data[id].dev.bus = &rttest_subsys;
thread_data[id].dev.id = id;
threads[id] = kthread_run(test_func, &thread_data[id], "rt-test-%d", id);
if (IS_ERR(threads[id]))
return PTR_ERR(threads[id]);
return device_register(&thread_data[id].dev);
}
static int init_rttest(void)
{
int ret, i;
spin_lock_init(&rttest_lock);
for (i = 0; i < MAX_RT_TEST_MUTEXES; i++)
rt_mutex_init(&mutexes[i]);
ret = subsys_system_register(&rttest_subsys, NULL);
if (ret)
return ret;
for (i = 0; i < MAX_RT_TEST_THREADS; i++) {
ret = init_test_thread(i);
if (ret)
break;
ret = device_create_file(&thread_data[i].dev, &dev_attr_status);
if (ret)
break;
ret = device_create_file(&thread_data[i].dev, &dev_attr_command);
if (ret)
break;
}
printk("Initializing RT-Tester: %s\n", ret ? "Failed" : "OK" );
return ret;
}
device_initcall(init_rttest);
...@@ -1120,7 +1120,7 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state, ...@@ -1120,7 +1120,7 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state,
debug_rt_mutex_print_deadlock(waiter); debug_rt_mutex_print_deadlock(waiter);
schedule_rt_mutex(lock); schedule();
raw_spin_lock(&lock->wait_lock); raw_spin_lock(&lock->wait_lock);
set_current_state(state); set_current_state(state);
......
...@@ -14,28 +14,6 @@ ...@@ -14,28 +14,6 @@
#include <linux/rtmutex.h> #include <linux/rtmutex.h>
/*
* The rtmutex in kernel tester is independent of rtmutex debugging. We
* call schedule_rt_mutex_test() instead of schedule() for the tasks which
* belong to the tester. That way we can delay the wakeup path of those
* threads to provoke lock stealing and testing of complex boosting scenarios.
*/
#ifdef CONFIG_RT_MUTEX_TESTER
extern void schedule_rt_mutex_test(struct rt_mutex *lock);
#define schedule_rt_mutex(_lock) \
do { \
if (!(current->flags & PF_MUTEX_TESTER)) \
schedule(); \
else \
schedule_rt_mutex_test(_lock); \
} while (0)
#else
# define schedule_rt_mutex(_lock) schedule()
#endif
/* /*
* This is the control structure for tasks blocked on a rt_mutex, * This is the control structure for tasks blocked on a rt_mutex,
* which is allocated on the kernel stack on of the blocked task. * which is allocated on the kernel stack on of the blocked task.
......
...@@ -916,12 +916,6 @@ config DEBUG_RT_MUTEXES ...@@ -916,12 +916,6 @@ config DEBUG_RT_MUTEXES
This allows rt mutex semantics violations and rt mutex related This allows rt mutex semantics violations and rt mutex related
deadlocks (lockups) to be detected and reported automatically. deadlocks (lockups) to be detected and reported automatically.
config RT_MUTEX_TESTER
bool "Built-in scriptable tester for rt-mutexes"
depends on DEBUG_KERNEL && RT_MUTEXES && BROKEN
help
This option enables a rt-mutex tester.
config DEBUG_SPINLOCK config DEBUG_SPINLOCK
bool "Spinlock and rw-lock debugging: basic checks" bool "Spinlock and rw-lock debugging: basic checks"
depends on DEBUG_KERNEL depends on DEBUG_KERNEL
......
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
testit t5-l4-pi-boost-deboost-setsched.tst
#!/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)
#
# 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)
# 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)
# 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
C: schedfifo: 1: 80
# 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
#
# 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)
# 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)
# 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
C: schedfifo: 1: 80
# 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
#
# 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)
# 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)
# 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
C: schedother: 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
#
# 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)
# 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)
# 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
C: schedfifo: 1: 80
# 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
#
# 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)
# 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)
# 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
C: schedother: 1: 0
C: schedfifo: 2: 82
# 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
#
# 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)
# 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)
# 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
C: schedfifo: 1: 81
C: schedfifo: 2: 82
# 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
#
# 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)
# 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)
# 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
C: schedfifo: 1: 81
C: schedfifo: 2: 82
# 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
#
# 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)
# 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)
# 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
C: schedfifo: 1: 80
C: schedfifo: 2: 81
# 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
#
# 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)
# 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)
# 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
C: schedfifo: 1: 80
C: schedfifo: 2: 81
# 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
#
# 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)
# 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)
# 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
C: schedother: 1: 0
C: schedfifo: 2: 82
# 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
#
# 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)
# 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)
# 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
C: schedother: 1: 0
C: schedfifo: 2: 82
C: schedfifo: 3: 83
# 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
#
# 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)
# 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)
# opcodeeq command opcode or number
# opcodelt number
# opcodegt number
# eventeq number
# eventgt number
# eventlt number
#
# 5 threads 4 lock PI - modify priority of blocked threads
#
C: resetevent: 0: 0
W: opcodeeq: 0: 0
# Set schedulers
C: schedother: 0: 0
C: schedfifo: 1: 81
C: schedfifo: 2: 82
C: schedfifo: 3: 83
C: schedfifo: 4: 84
# 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
# Reduce prio of T4
C: schedfifo: 4: 80
T: prioeq: 0: 83
T: prioeq: 1: 83
T: prioeq: 2: 83
T: prioeq: 3: 83
T: prioeq: 4: 80
# Increase prio of T4
C: schedfifo: 4: 84
T: prioeq: 0: 84
T: prioeq: 1: 84
T: prioeq: 2: 84
T: prioeq: 3: 84
T: prioeq: 4: 84
# Reduce prio of T3
C: schedfifo: 3: 80
T: prioeq: 0: 84
T: prioeq: 1: 84
T: prioeq: 2: 84
T: prioeq: 3: 84
T: prioeq: 4: 84
# Increase prio of T3
C: schedfifo: 3: 85
T: prioeq: 0: 85
T: prioeq: 1: 85
T: prioeq: 2: 85
T: prioeq: 3: 85
T: prioeq: 4: 84
# Reduce prio of T3
C: schedfifo: 3: 83
T: prioeq: 0: 84
T: prioeq: 1: 84
T: prioeq: 2: 84
T: prioeq: 3: 84
T: prioeq: 4: 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
#
# 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)
# 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)
# 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
C: schedfifo: 1: 81
C: schedfifo: 2: 82
C: schedfifo: 3: 83
C: schedfifo: 4: 84
# 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
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