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Our changes to the CV tests.

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This commit is contained in:
Geoffrey Challen 2015-12-30 10:09:25 -06:00
parent ce8a0f09a4
commit 8e916c8c65
1 changed files with 24 additions and 6 deletions
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28
kern/test/synchtest.c
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@ -158,6 +158,9 @@ locktestthread(void *junk, unsigned long num)
for (i=0; i<NLOCKLOOPS; i++) {
lock_acquire(testlock);
thread_yield();
testval1 = num;
testval2 = num*num;
testval3 = num%3;
@ -166,26 +169,38 @@ locktestthread(void *junk, unsigned long num)
fail(num, "testval2/testval1");
}
thread_yield();
if (testval2%3 != (testval3*testval3)%3) {
fail(num, "testval2/testval3");
}
thread_yield();
if (testval3 != testval1%3) {
fail(num, "testval3/testval1");
}
thread_yield();
if (testval1 != num) {
fail(num, "testval1/num");
}
thread_yield();
if (testval2 != num*num) {
fail(num, "testval2/num");
}
thread_yield();
if (testval3 != num%3) {
fail(num, "testval3/num");
}
thread_yield();
lock_release(testlock);
}
V(donesem);
@ -233,6 +248,7 @@ cvtestthread(void *junk, unsigned long num)
for (i=0; i<NCVLOOPS; i++) {
lock_acquire(testlock);
while (testval1 != num) {
testval2 = 0;
gettime(&ts1);
cv_wait(testcv, testlock);
gettime(&ts2);
@ -250,9 +266,9 @@ cvtestthread(void *junk, unsigned long num)
thread_exit();
}
testval2 = 0xFFFFFFFF;
}
kprintf("Thread %lu\n", num);
testval1 = (testval1 + NTHREADS - 1)%NTHREADS;
testval2 = num;
/*
* loop a little while to make sure we can measure the
@ -261,6 +277,9 @@ cvtestthread(void *junk, unsigned long num)
for (j=0; j<3000; j++);
cv_broadcast(testcv, testlock);
thread_yield();
kprintf("Thread %lu\n", testval2);
testval1 = (testval1 + NTHREADS - 1)%NTHREADS;
lock_release(testlock);
}
V(donesem);
@ -269,20 +288,19 @@ cvtestthread(void *junk, unsigned long num)
int
cvtest(int nargs, char **args)
{
int i, result;
(void)nargs;
(void)args;
inititems();
kprintf("Starting CV test...\n");
kprintf("Starting new CV test...\n");
kprintf("Threads should print out in reverse order.\n");
testval1 = NTHREADS-1;
for (i=0; i<NTHREADS; i++) {
result = thread_fork("synchtest", NULL, cvtestthread, NULL, i);
result = thread_fork("synchtest", NULL, cvtestthread, NULL, (long unsigned) i);
if (result) {
panic("cvtest: thread_fork failed: %s\n",
strerror(result));