46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
|
#include "test/jemalloc_test.h"
|
||
|
|
|
||
|
|
#include "jemalloc/internal/decay.h"
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Honestly, this is mostly a stub for now. Eventually, we should beef up
|
||
|
|
* testing here.
|
||
|
|
*/
|
||
|
|
|
||
|
|
TEST_BEGIN(test_decay_empty) {
|
||
|
|
/* If we never have any decaying pages, npages_limit should be 0. */
|
||
|
|
decay_t decay;
|
||
|
|
memset(&decay, 0, sizeof(decay));
|
||
|
|
|
||
|
|
nstime_t curtime;
|
||
|
|
nstime_init(&curtime, 0);
|
||
|
|
|
||
|
|
uint64_t decay_ms = 1000;
|
||
|
|
uint64_t decay_ns = decay_ms * 1000 * 1000;
|
||
|
|
|
||
|
|
bool err = decay_init(&decay, &curtime, (ssize_t)decay_ms);
|
||
|
|
assert_false(err, "");
|
||
|
|
|
||
|
|
uint64_t time_between_calls = decay_epoch_duration_ns(&decay) / 5;
|
||
|
|
int nepochs = 0;
|
||
|
|
for (uint64_t i = 0; i < decay_ns / time_between_calls * 10; i++) {
|
||
|
|
size_t dirty_pages = 0;
|
||
|
|
nstime_init(&curtime, i * time_between_calls);
|
||
|
|
bool epoch_advanced = decay_maybe_advance_epoch(&decay,
|
||
|
|
&curtime, dirty_pages);
|
||
|
|
if (epoch_advanced) {
|
||
|
|
nepochs++;
|
||
|
|
assert_zu_eq(decay_npages_limit_get(&decay), 0,
|
||
|
|
"Should not increase the limit arbitrarily");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
assert_d_gt(nepochs, 0, "Should have advanced epochs");
|
||
|
|
}
|
||
|
|
TEST_END
|
||
|
|
|
||
|
|
int
|
||
|
|
main(void) {
|
||
|
|
return test(
|
||
|
|
test_decay_empty);
|
||
|
|
}
|