From: Thomas Gleixner Date: Tue, 27 Jun 2006 09:55:01 +0000 (-0700) Subject: [PATCH] rtmutex: Modify rtmutex-tester to test the setscheduler propagation X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0bafd214e4ba55dc1fb81a3031d0249292f1bc05;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git [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 Signed-off-by: Ingo Molnar Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/kernel/rtmutex-tester.c b/kernel/rtmutex-tester.c index fe211ba3a5b5..e82c2f848249 100644 --- a/kernel/rtmutex-tester.c +++ b/kernel/rtmutex-tester.c @@ -46,7 +46,7 @@ enum test_opcodes { 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 */ @@ -55,7 +55,6 @@ enum test_opcodes { static int handle_op(struct test_thread_data *td, int lockwakeup) { - struct sched_param schedpar; int i, id, ret = -EINVAL; switch(td->opcode) { @@ -63,17 +62,6 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) 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); @@ -310,9 +298,10 @@ static int test_func(void *data) 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; @@ -334,6 +323,21 @@ static ssize_t sysfs_test_command(struct sys_device *dev, const char *buf, 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; diff --git a/scripts/rt-tester/check-all.sh b/scripts/rt-tester/check-all.sh index ac45c3e65a35..43098afe7431 100644 --- a/scripts/rt-tester/check-all.sh +++ b/scripts/rt-tester/check-all.sh @@ -18,4 +18,5 @@ 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 diff --git a/scripts/rt-tester/t2-l1-2rt-sameprio.tst b/scripts/rt-tester/t2-l1-2rt-sameprio.tst index a2b6f2aae755..8821f27cc8be 100644 --- a/scripts/rt-tester/t2-l1-2rt-sameprio.tst +++ b/scripts/rt-tester/t2-l1-2rt-sameprio.tst @@ -57,9 +57,7 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedfifo: 0: 80 -W: opcodeeq: 0: 0 C: schedfifo: 1: 80 -W: opcodeeq: 1: 0 # T0 lock L0 C: locknowait: 0: 0 diff --git a/scripts/rt-tester/t2-l1-pi.tst b/scripts/rt-tester/t2-l1-pi.tst index aa4c8940acd6..cde1f189a02b 100644 --- a/scripts/rt-tester/t2-l1-pi.tst +++ b/scripts/rt-tester/t2-l1-pi.tst @@ -57,9 +57,7 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedother: 0: 0 -W: opcodeeq: 0: 0 C: schedfifo: 1: 80 -W: opcodeeq: 1: 0 # T0 lock L0 C: locknowait: 0: 0 diff --git a/scripts/rt-tester/t2-l1-signal.tst b/scripts/rt-tester/t2-l1-signal.tst index c47ba06af209..3ab0bfc49950 100644 --- a/scripts/rt-tester/t2-l1-signal.tst +++ b/scripts/rt-tester/t2-l1-signal.tst @@ -57,9 +57,7 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedother: 0: 0 -W: opcodeeq: 0: 0 C: schedother: 1: 0 -W: opcodeeq: 1: 0 # T0 lock L0 C: locknowait: 0: 0 diff --git a/scripts/rt-tester/t2-l2-2rt-deadlock.tst b/scripts/rt-tester/t2-l2-2rt-deadlock.tst index 0cee476b206e..f4b5d5d6215f 100644 --- a/scripts/rt-tester/t2-l2-2rt-deadlock.tst +++ b/scripts/rt-tester/t2-l2-2rt-deadlock.tst @@ -57,9 +57,7 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedfifo: 0: 80 -W: opcodeeq: 0: 0 C: schedfifo: 1: 80 -W: opcodeeq: 1: 0 # T0 lock L0 C: locknowait: 0: 0 diff --git a/scripts/rt-tester/t3-l1-pi-1rt.tst b/scripts/rt-tester/t3-l1-pi-1rt.tst index a5eaf7ed5d54..63440ca2cce9 100644 --- a/scripts/rt-tester/t3-l1-pi-1rt.tst +++ b/scripts/rt-tester/t3-l1-pi-1rt.tst @@ -57,11 +57,8 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedother: 0: 0 -W: opcodeeq: 0: 0 C: schedother: 1: 0 -W: opcodeeq: 1: 0 C: schedfifo: 2: 82 -W: opcodeeq: 2: 0 # T0 lock L0 C: locknowait: 0: 0 diff --git a/scripts/rt-tester/t3-l1-pi-2rt.tst b/scripts/rt-tester/t3-l1-pi-2rt.tst index c622391a8afe..e5816fe67df3 100644 --- a/scripts/rt-tester/t3-l1-pi-2rt.tst +++ b/scripts/rt-tester/t3-l1-pi-2rt.tst @@ -57,11 +57,8 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedother: 0: 0 -W: opcodeeq: 0: 0 C: schedfifo: 1: 81 -W: opcodeeq: 1: 0 C: schedfifo: 2: 82 -W: opcodeeq: 2: 0 # T0 lock L0 C: locknowait: 0: 0 diff --git a/scripts/rt-tester/t3-l1-pi-3rt.tst b/scripts/rt-tester/t3-l1-pi-3rt.tst index b5057fb13e09..718b82b5d3bb 100644 --- a/scripts/rt-tester/t3-l1-pi-3rt.tst +++ b/scripts/rt-tester/t3-l1-pi-3rt.tst @@ -57,11 +57,8 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedfifo: 0: 80 -W: opcodeeq: 0: 0 C: schedfifo: 1: 81 -W: opcodeeq: 1: 0 C: schedfifo: 2: 82 -W: opcodeeq: 2: 0 # T0 lock L0 C: locknowait: 0: 0 diff --git a/scripts/rt-tester/t3-l1-pi-signal.tst b/scripts/rt-tester/t3-l1-pi-signal.tst index 3e427daa33ff..c6e213563498 100644 --- a/scripts/rt-tester/t3-l1-pi-signal.tst +++ b/scripts/rt-tester/t3-l1-pi-signal.tst @@ -55,11 +55,8 @@ W: opcodeeq: 0: 0 # Set priorities C: schedother: 0: 0 -W: opcodeeq: 0: 0 C: schedfifo: 1: 80 -W: opcodeeq: 1: 0 C: schedfifo: 2: 81 -W: opcodeeq: 2: 0 # T0 lock L0 C: lock: 0: 0 diff --git a/scripts/rt-tester/t3-l1-pi-steal.tst b/scripts/rt-tester/t3-l1-pi-steal.tst index 72c24a9e4be4..f53749d59d79 100644 --- a/scripts/rt-tester/t3-l1-pi-steal.tst +++ b/scripts/rt-tester/t3-l1-pi-steal.tst @@ -57,11 +57,8 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedother: 0: 0 -W: opcodeeq: 0: 0 C: schedfifo: 1: 80 -W: opcodeeq: 1: 0 C: schedfifo: 2: 81 -W: opcodeeq: 2: 0 # T0 lock L0 C: lock: 0: 0 diff --git a/scripts/rt-tester/t3-l2-pi.tst b/scripts/rt-tester/t3-l2-pi.tst index 2ba0dced48fa..cdc3e4fd7bac 100644 --- a/scripts/rt-tester/t3-l2-pi.tst +++ b/scripts/rt-tester/t3-l2-pi.tst @@ -57,11 +57,8 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedother: 0: 0 -W: opcodeeq: 0: 0 C: schedother: 1: 0 -W: opcodeeq: 1: 0 C: schedfifo: 2: 82 -W: opcodeeq: 2: 0 # T0 lock L0 C: locknowait: 0: 0 diff --git a/scripts/rt-tester/t4-l2-pi-deboost.tst b/scripts/rt-tester/t4-l2-pi-deboost.tst index 01f1a80fa02a..baa14137f473 100644 --- a/scripts/rt-tester/t4-l2-pi-deboost.tst +++ b/scripts/rt-tester/t4-l2-pi-deboost.tst @@ -57,13 +57,9 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedother: 0: 0 -W: opcodeeq: 0: 0 C: schedother: 1: 0 -W: opcodeeq: 1: 0 C: schedfifo: 2: 82 -W: opcodeeq: 2: 0 C: schedfifo: 3: 83 -W: opcodeeq: 3: 0 # T0 lock L0 C: locknowait: 0: 0 diff --git a/scripts/rt-tester/t5-l4-pi-boost-deboost-setsched.tst b/scripts/rt-tester/t5-l4-pi-boost-deboost-setsched.tst new file mode 100644 index 000000000000..e6ec0c81b54d --- /dev/null +++ b/scripts/rt-tester/t5-l4-pi-boost-deboost-setsched.tst @@ -0,0 +1,183 @@ +# +# 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 + diff --git a/scripts/rt-tester/t5-l4-pi-boost-deboost.tst b/scripts/rt-tester/t5-l4-pi-boost-deboost.tst index efa0788c1189..ca64f8bbf4bc 100644 --- a/scripts/rt-tester/t5-l4-pi-boost-deboost.tst +++ b/scripts/rt-tester/t5-l4-pi-boost-deboost.tst @@ -57,15 +57,10 @@ W: opcodeeq: 0: 0 # Set schedulers C: schedother: 0: 0 -W: opcodeeq: 0: 0 C: schedfifo: 1: 81 -W: opcodeeq: 1: 0 C: schedfifo: 2: 82 -W: opcodeeq: 2: 0 C: schedfifo: 3: 83 -W: opcodeeq: 3: 0 C: schedfifo: 4: 84 -W: opcodeeq: 4: 0 # T0 lock L0 C: locknowait: 0: 0