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 */
- RTTEST_LOCKBKL, /* 9 Lock BKL */
+ RTTEST_LOCKBKL, /* 9 Lock BKL */
RTTEST_UNLOCKBKL, /* 10 Unlock BKL */
RTTEST_SIGNAL, /* 11 Signal other test thread, data = thread id */
RTTEST_RESETEVENT = 98, /* 98 Reset event counter */
static int handle_op(struct test_thread_data *td, int lockwakeup)
{
- struct sched_param schedpar;
int i, id, ret = -EINVAL;
switch(td->opcode) {
case RTTEST_NOP:
return 0;
- case RTTEST_SCHEDOT:
- schedpar.sched_priority = 0;
- ret = sched_setscheduler(current, SCHED_NORMAL, &schedpar);
- if (!ret)
- set_user_nice(current, 0);
- return ret;
-
- case RTTEST_SCHEDRT:
- schedpar.sched_priority = td->opdata;
- return sched_setscheduler(current, SCHED_FIFO, &schedpar);
-
case RTTEST_LOCKCONT:
td->mutexes[td->opdata] = 1;
td->event = atomic_add_return(1, &rttest_event);
static ssize_t sysfs_test_command(struct sys_device *dev, const char *buf,
size_t count)
{
+ struct sched_param schedpar;
struct test_thread_data *td;
char cmdbuf[32];
- int op, dat, tid;
+ int op, dat, tid, ret;
td = container_of(dev, struct test_thread_data, sysdev);
tid = td->sysdev.id;
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;
--- /dev/null
+#
+# rt-mutex test
+#
+# Op: C(ommand)/T(est)/W(ait)
+# | opcode
+# | | threadid: 0-7
+# | | | opcode argument
+# | | | |
+# C: lock: 0: 0
+#
+# Commands
+#
+# opcode opcode argument
+# schedother nice value
+# schedfifo priority
+# lock lock nr (0-7)
+# locknowait lock nr (0-7)
+# lockint lock nr (0-7)
+# lockintnowait lock nr (0-7)
+# lockcont lock nr (0-7)
+# unlock lock nr (0-7)
+# lockbkl lock nr (0-7)
+# unlockbkl lock nr (0-7)
+# signal thread to signal (0-7)
+# reset 0
+# resetevent 0
+#
+# Tests / Wait
+#
+# opcode opcode argument
+#
+# prioeq priority
+# priolt priority
+# priogt priority
+# nprioeq normal priority
+# npriolt normal priority
+# npriogt normal priority
+# locked lock nr (0-7)
+# blocked lock nr (0-7)
+# blockedwake lock nr (0-7)
+# unlocked lock nr (0-7)
+# lockedbkl dont care
+# blockedbkl dont care
+# unlockedbkl dont care
+# opcodeeq command opcode or number
+# opcodelt number
+# opcodegt number
+# eventeq number
+# eventgt number
+# eventlt number
+
+#
+# 5 threads 4 lock PI - 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
+
projects / linux-2.6 / commitdiff