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[PATCH] rtmutex: Modify rtmutex-tester to test the setscheduler propagation
Make test suite setscheduler calls asynchronously. Remove the waits in the test cases and add a new testcase to verify the correctness of the setscheduler priority propagation. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Thomas Gleixner
Linus Torvalds
parent
e74c69f46d
commit
0bafd214e4
15 changed files with 202 additions and 49 deletions
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@ -46,7 +46,7 @@ enum test_opcodes {
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RTTEST_LOCKINTNOWAIT, /* 6 Lock interruptible no wait in wakeup, data = lockindex */
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RTTEST_LOCKCONT, /* 7 Continue locking after the wakeup delay */
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RTTEST_UNLOCK, /* 8 Unlock, data = lockindex */
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RTTEST_LOCKBKL, /* 9 Lock BKL */
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RTTEST_LOCKBKL, /* 9 Lock BKL */
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RTTEST_UNLOCKBKL, /* 10 Unlock BKL */
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RTTEST_SIGNAL, /* 11 Signal other test thread, data = thread id */
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RTTEST_RESETEVENT = 98, /* 98 Reset event counter */
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@ -55,7 +55,6 @@ enum test_opcodes {
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static int handle_op(struct test_thread_data *td, int lockwakeup)
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{
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struct sched_param schedpar;
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int i, id, ret = -EINVAL;
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switch(td->opcode) {
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@ -63,17 +62,6 @@ static int handle_op(struct test_thread_data *td, int lockwakeup)
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case RTTEST_NOP:
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return 0;
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case RTTEST_SCHEDOT:
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schedpar.sched_priority = 0;
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ret = sched_setscheduler(current, SCHED_NORMAL, &schedpar);
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if (!ret)
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set_user_nice(current, 0);
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return ret;
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case RTTEST_SCHEDRT:
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schedpar.sched_priority = td->opdata;
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return sched_setscheduler(current, SCHED_FIFO, &schedpar);
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case RTTEST_LOCKCONT:
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td->mutexes[td->opdata] = 1;
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td->event = atomic_add_return(1, &rttest_event);
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@ -310,9 +298,10 @@ static int test_func(void *data)
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static ssize_t sysfs_test_command(struct sys_device *dev, const char *buf,
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size_t count)
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{
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struct sched_param schedpar;
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struct test_thread_data *td;
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char cmdbuf[32];
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int op, dat, tid;
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int op, dat, tid, ret;
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td = container_of(dev, struct test_thread_data, sysdev);
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tid = td->sysdev.id;
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@ -334,6 +323,21 @@ static ssize_t sysfs_test_command(struct sys_device *dev, const char *buf,
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return -EINVAL;
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switch (op) {
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case RTTEST_SCHEDOT:
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schedpar.sched_priority = 0;
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ret = sched_setscheduler(threads[tid], SCHED_NORMAL, &schedpar);
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if (ret)
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return ret;
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set_user_nice(current, 0);
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break;
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case RTTEST_SCHEDRT:
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schedpar.sched_priority = dat;
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ret = sched_setscheduler(threads[tid], SCHED_FIFO, &schedpar);
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if (ret)
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return ret;
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break;
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case RTTEST_SIGNAL:
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send_sig(SIGHUP, threads[tid], 0);
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break;
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@ -18,4 +18,5 @@ testit t3-l1-pi-steal.tst
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testit t3-l2-pi.tst
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testit t4-l2-pi-deboost.tst
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testit t5-l4-pi-boost-deboost.tst
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testit t5-l4-pi-boost-deboost-setsched.tst
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@ -57,9 +57,7 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedfifo: 0: 80
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W: opcodeeq: 0: 0
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C: schedfifo: 1: 80
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W: opcodeeq: 1: 0
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# T0 lock L0
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C: locknowait: 0: 0
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@ -57,9 +57,7 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedother: 0: 0
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W: opcodeeq: 0: 0
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C: schedfifo: 1: 80
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W: opcodeeq: 1: 0
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# T0 lock L0
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C: locknowait: 0: 0
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@ -57,9 +57,7 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedother: 0: 0
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W: opcodeeq: 0: 0
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C: schedother: 1: 0
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W: opcodeeq: 1: 0
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# T0 lock L0
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C: locknowait: 0: 0
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@ -57,9 +57,7 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedfifo: 0: 80
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W: opcodeeq: 0: 0
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C: schedfifo: 1: 80
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W: opcodeeq: 1: 0
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# T0 lock L0
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C: locknowait: 0: 0
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@ -57,11 +57,8 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedother: 0: 0
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W: opcodeeq: 0: 0
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C: schedother: 1: 0
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W: opcodeeq: 1: 0
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C: schedfifo: 2: 82
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W: opcodeeq: 2: 0
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# T0 lock L0
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C: locknowait: 0: 0
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@ -57,11 +57,8 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedother: 0: 0
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W: opcodeeq: 0: 0
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C: schedfifo: 1: 81
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W: opcodeeq: 1: 0
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C: schedfifo: 2: 82
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W: opcodeeq: 2: 0
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# T0 lock L0
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C: locknowait: 0: 0
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@ -57,11 +57,8 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedfifo: 0: 80
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W: opcodeeq: 0: 0
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C: schedfifo: 1: 81
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W: opcodeeq: 1: 0
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C: schedfifo: 2: 82
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W: opcodeeq: 2: 0
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# T0 lock L0
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C: locknowait: 0: 0
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@ -55,11 +55,8 @@ W: opcodeeq: 0: 0
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# Set priorities
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C: schedother: 0: 0
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W: opcodeeq: 0: 0
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C: schedfifo: 1: 80
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W: opcodeeq: 1: 0
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C: schedfifo: 2: 81
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W: opcodeeq: 2: 0
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# T0 lock L0
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C: lock: 0: 0
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@ -57,11 +57,8 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedother: 0: 0
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W: opcodeeq: 0: 0
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C: schedfifo: 1: 80
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W: opcodeeq: 1: 0
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C: schedfifo: 2: 81
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W: opcodeeq: 2: 0
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# T0 lock L0
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C: lock: 0: 0
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@ -57,11 +57,8 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedother: 0: 0
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W: opcodeeq: 0: 0
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C: schedother: 1: 0
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W: opcodeeq: 1: 0
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C: schedfifo: 2: 82
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W: opcodeeq: 2: 0
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# T0 lock L0
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C: locknowait: 0: 0
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@ -57,13 +57,9 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedother: 0: 0
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W: opcodeeq: 0: 0
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C: schedother: 1: 0
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W: opcodeeq: 1: 0
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C: schedfifo: 2: 82
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W: opcodeeq: 2: 0
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C: schedfifo: 3: 83
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W: opcodeeq: 3: 0
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# T0 lock L0
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C: locknowait: 0: 0
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183
scripts/rt-tester/t5-l4-pi-boost-deboost-setsched.tst
Normal file
183
scripts/rt-tester/t5-l4-pi-boost-deboost-setsched.tst
Normal file
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@ -0,0 +1,183 @@
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#
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# rt-mutex test
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#
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# Op: C(ommand)/T(est)/W(ait)
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# | opcode
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# | | threadid: 0-7
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# | | | opcode argument
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# | | | |
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# C: lock: 0: 0
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#
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# Commands
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#
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# opcode opcode argument
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# schedother nice value
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# schedfifo priority
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# lock lock nr (0-7)
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# locknowait lock nr (0-7)
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# lockint lock nr (0-7)
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# lockintnowait lock nr (0-7)
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# lockcont lock nr (0-7)
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# unlock lock nr (0-7)
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# lockbkl lock nr (0-7)
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# unlockbkl lock nr (0-7)
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# signal thread to signal (0-7)
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# reset 0
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# resetevent 0
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#
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# Tests / Wait
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#
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# opcode opcode argument
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#
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# prioeq priority
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# priolt priority
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# priogt priority
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# nprioeq normal priority
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# npriolt normal priority
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# npriogt normal priority
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# locked lock nr (0-7)
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# blocked lock nr (0-7)
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# blockedwake lock nr (0-7)
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# unlocked lock nr (0-7)
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# lockedbkl dont care
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# blockedbkl dont care
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# unlockedbkl dont care
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# opcodeeq command opcode or number
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# opcodelt number
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# opcodegt number
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# eventeq number
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# eventgt number
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# eventlt number
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#
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# 5 threads 4 lock PI - modify priority of blocked threads
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#
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C: resetevent: 0: 0
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W: opcodeeq: 0: 0
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# Set schedulers
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C: schedother: 0: 0
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C: schedfifo: 1: 81
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C: schedfifo: 2: 82
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C: schedfifo: 3: 83
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C: schedfifo: 4: 84
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# T0 lock L0
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C: locknowait: 0: 0
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W: locked: 0: 0
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# T1 lock L1
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C: locknowait: 1: 1
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W: locked: 1: 1
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# T1 lock L0
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C: lockintnowait: 1: 0
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W: blocked: 1: 0
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T: prioeq: 0: 81
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# T2 lock L2
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C: locknowait: 2: 2
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W: locked: 2: 2
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# T2 lock L1
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C: lockintnowait: 2: 1
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W: blocked: 2: 1
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T: prioeq: 0: 82
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T: prioeq: 1: 82
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# T3 lock L3
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C: locknowait: 3: 3
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W: locked: 3: 3
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# T3 lock L2
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C: lockintnowait: 3: 2
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W: blocked: 3: 2
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T: prioeq: 0: 83
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T: prioeq: 1: 83
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T: prioeq: 2: 83
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# T4 lock L3
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C: lockintnowait: 4: 3
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W: blocked: 4: 3
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T: prioeq: 0: 84
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T: prioeq: 1: 84
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T: prioeq: 2: 84
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T: prioeq: 3: 84
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# Reduce prio of T4
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C: schedfifo: 4: 80
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T: prioeq: 0: 83
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T: prioeq: 1: 83
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T: prioeq: 2: 83
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T: prioeq: 3: 83
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T: prioeq: 4: 80
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# Increase prio of T4
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C: schedfifo: 4: 84
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T: prioeq: 0: 84
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T: prioeq: 1: 84
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T: prioeq: 2: 84
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T: prioeq: 3: 84
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T: prioeq: 4: 84
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# Reduce prio of T3
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C: schedfifo: 3: 80
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T: prioeq: 0: 84
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T: prioeq: 1: 84
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T: prioeq: 2: 84
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T: prioeq: 3: 84
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T: prioeq: 4: 84
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# Increase prio of T3
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C: schedfifo: 3: 85
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T: prioeq: 0: 85
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T: prioeq: 1: 85
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T: prioeq: 2: 85
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T: prioeq: 3: 85
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T: prioeq: 4: 84
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# Reduce prio of T3
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C: schedfifo: 3: 83
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T: prioeq: 0: 84
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T: prioeq: 1: 84
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T: prioeq: 2: 84
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T: prioeq: 3: 84
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T: prioeq: 4: 84
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# Signal T4
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C: signal: 4: 0
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W: unlocked: 4: 3
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T: prioeq: 0: 83
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T: prioeq: 1: 83
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T: prioeq: 2: 83
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T: prioeq: 3: 83
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# Signal T3
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C: signal: 3: 0
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W: unlocked: 3: 2
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T: prioeq: 0: 82
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T: prioeq: 1: 82
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T: prioeq: 2: 82
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# Signal T2
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C: signal: 2: 0
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W: unlocked: 2: 1
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T: prioeq: 0: 81
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T: prioeq: 1: 81
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# Signal T1
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C: signal: 1: 0
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W: unlocked: 1: 0
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T: priolt: 0: 1
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# Unlock and exit
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C: unlock: 3: 3
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C: unlock: 2: 2
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C: unlock: 1: 1
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C: unlock: 0: 0
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W: unlocked: 3: 3
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W: unlocked: 2: 2
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W: unlocked: 1: 1
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W: unlocked: 0: 0
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@ -57,15 +57,10 @@ W: opcodeeq: 0: 0
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# Set schedulers
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C: schedother: 0: 0
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W: opcodeeq: 0: 0
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C: schedfifo: 1: 81
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W: opcodeeq: 1: 0
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C: schedfifo: 2: 82
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W: opcodeeq: 2: 0
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C: schedfifo: 3: 83
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W: opcodeeq: 3: 0
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C: schedfifo: 4: 84
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W: opcodeeq: 4: 0
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# T0 lock L0
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C: locknowait: 0: 0
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