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Code Issues Releases Wiki Activity

make use of tsc_now() instead of rdtsc() and rdtscp() (closes #197)

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This commit is contained in:
Steffen Vogel 2018-10-20 16:43:43 +02:00
parent 759d633967
commit 4e4b5ca95d
2 changed files with 8 additions and 3 deletions
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2
lib/task.c
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@ -172,7 +172,7 @@ uint64_t task_wait(struct task *t)
uint64_t now;
do {
now = rdtscp();
now = tsc_now(&t->tsc);
} while (now < t->next);

9
tests/unit/queue.c
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@ -306,6 +306,7 @@ ParameterizedTestParameters(queue, multi_threaded)
ParameterizedTest(struct param *p, queue, multi_threaded, .timeout = 20, .init = init_memory)
{
int ret, cycpop;
struct tsc tsc;
pthread_t threads[p->thread_count];
@ -323,13 +324,17 @@ ParameterizedTest(struct param *p, queue, multi_threaded, .timeout = 20, .init =
sleep(0.2);
start_tsc_time = rdtscp();
ret = tsc_init(&tsc);
cr_assert(!ret);
start_tsc_time = tsc_now(&tsc);
p->start = 1;
for (int i = 0; i < p->thread_count; ++i)
pthread_join(threads[i], NULL);
end_tsc_time = rdtscp();
end_tsc_time = tsc_now(&tsc);
cycpop = (end_tsc_time - start_tsc_time) / p->iter_count;
if (cycpop < 400)