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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: Davidlohr 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.net
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Davidlohr Bueso 2015-07-01 13:29:48 -07:00 коммит произвёл Thomas Gleixner
Родитель ab51fbab39
Коммит 1b0b7c1762
23 изменённых файлов: 1 добавлений и 1986 удалений
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1
arch/parisc/configs/c8000_defconfig
Просмотреть файл

@ -242,7 +242,6 @@ CONFIG_LOCKUP_DETECTOR=y
CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
CONFIG_PANIC_ON_OOPS=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_RT_MUTEX_TESTER=y
CONFIG_PROVE_RCU_DELAY=y
CONFIG_DEBUG_BLOCK_EXT_DEVT=y
CONFIG_LATENCYTOP=y

1
arch/parisc/configs/generic-32bit_defconfig
Просмотреть файл

@ -295,7 +295,6 @@ CONFIG_DEBUG_SHIRQ=y
CONFIG_DETECT_HUNG_TASK=y
CONFIG_TIMER_STATS=y
CONFIG_DEBUG_RT_MUTEXES=y
CONFIG_RT_MUTEX_TESTER=y
CONFIG_DEBUG_SPINLOCK=y
CONFIG_DEBUG_MUTEXES=y
CONFIG_RCU_CPU_STALL_INFO=y

1
arch/xtensa/configs/iss_defconfig
Просмотреть файл

@ -616,7 +616,6 @@ CONFIG_SCHED_DEBUG=y
# CONFIG_SLUB_DEBUG_ON is not set
# CONFIG_SLUB_STATS 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_MUTEXES is not set
# CONFIG_DEBUG_SPINLOCK_SLEEP is not set

1
kernel/locking/Makefile
Просмотреть файл

@ -20,7 +20,6 @@ obj-$(CONFIG_PROVE_LOCKING) += spinlock.o
obj-$(CONFIG_QUEUED_SPINLOCKS) += qspinlock.o
obj-$(CONFIG_RT_MUTEXES) += rtmutex.o
obj-$(CONFIG_DEBUG_RT_MUTEXES) += rtmutex-debug.o
obj-$(CONFIG_RT_MUTEX_TESTER) += rtmutex-tester.o
obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock.o
obj-$(CONFIG_DEBUG_SPINLOCK) += spinlock_debug.o
obj-$(CONFIG_RWSEM_GENERIC_SPINLOCK) += rwsem-spinlock.o

420
kernel/locking/rtmutex-tester.c
Просмотреть файл

@ -1,420 +0,0 @@
/*
* 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);

2
kernel/locking/rtmutex.c
Просмотреть файл

@ -1120,7 +1120,7 @@ __rt_mutex_slowlock(struct rt_mutex *lock, int state,
debug_rt_mutex_print_deadlock(waiter);
schedule_rt_mutex(lock);
schedule();
raw_spin_lock(&lock->wait_lock);
set_current_state(state);

22
kernel/locking/rtmutex_common.h
Просмотреть файл

@ -14,28 +14,6 @@
#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,
* which is allocated on the kernel stack on of the blocked task.

6
lib/Kconfig.debug
Просмотреть файл

@ -916,12 +916,6 @@ config DEBUG_RT_MUTEXES
This allows rt mutex semantics violations and rt mutex related
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
bool "Spinlock and rw-lock debugging: basic checks"
depends on DEBUG_KERNEL

21
scripts/rt-tester/check-all.sh
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@ -1,21 +0,0 @@
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

218
scripts/rt-tester/rt-tester.py
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@ -1,218 +0,0 @@
#!/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)

94
scripts/rt-tester/t2-l1-2rt-sameprio.tst
Просмотреть файл

@ -1,94 +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
#
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

77
scripts/rt-tester/t2-l1-pi.tst
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@ -1,77 +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

72
scripts/rt-tester/t2-l1-signal.tst
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@ -1,72 +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: 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

84
scripts/rt-tester/t2-l2-2rt-deadlock.tst
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@ -1,84 +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

87
scripts/rt-tester/t3-l1-pi-1rt.tst
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@ -1,87 +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
#
# 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

88
scripts/rt-tester/t3-l1-pi-2rt.tst
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@ -1,88 +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
#
# 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

87
scripts/rt-tester/t3-l1-pi-3rt.tst
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@ -1,87 +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
#
# 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

93
scripts/rt-tester/t3-l1-pi-signal.tst
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@ -1,93 +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
# 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

91
scripts/rt-tester/t3-l1-pi-steal.tst
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@ -1,91 +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
#
# 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

87
scripts/rt-tester/t3-l2-pi.tst
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@ -1,87 +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
#
# 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

118
scripts/rt-tester/t4-l2-pi-deboost.tst
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@ -1,118 +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
#
# 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

178
scripts/rt-tester/t5-l4-pi-boost-deboost-setsched.tst
Просмотреть файл

@ -1,178 +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

138
scripts/rt-tester/t5-l4-pi-boost-deboost.tst
Просмотреть файл

@ -1,138 +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