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Explicit arena assignment in test_thread_idle.

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Otherwise the associated arena could change with percpu arena enabled.
This commit is contained in:
Qi Wang 2023-03-21 14:02:30 -07:00 committed by Qi Wang
parent 45249cf5a9
commit 8e7353a19b
1 changed files with 10 additions and 5 deletions
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15
test/unit/mallctl.c
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@ -1097,8 +1097,12 @@ TEST_BEGIN(test_thread_idle) {
unsigned arena_ind;
sz = sizeof(arena_ind);
err = mallctl("thread.arena", &arena_ind, &sz, NULL, 0);
expect_d_eq(err, 0, "");
expect_d_eq(mallctl("arenas.create", (void *)&arena_ind, &sz, NULL, 0),
0, "Unexpected mallctl() failure");
err = mallctl("thread.arena", NULL, NULL, &arena_ind, sizeof(arena_ind));
expect_d_eq(err, 0, "Unexpected mallctl() failure");
err = mallctl("thread.tcache.flush", NULL, NULL, NULL, 0);
expect_d_eq(err, 0, "Unexpected mallctl() failure");
/* We're going to do an allocation of size 1, which we know is small. */
size_t mib[5];
@ -1108,10 +1112,11 @@ TEST_BEGIN(test_thread_idle) {
mib[2] = arena_ind;
/*
* This alloc and dalloc should leave something in the tcache, in a
* small size's cache bin.
* This alloc and dalloc should leave something (from the newly created
* arena) in the tcache, in a small size's cache bin. Later the stats
* of that arena will be checked to verify if tcache flush happened.
*/
void *ptr = mallocx(1, 0);
void *ptr = mallocx(1, MALLOCX_TCACHE_NONE);
dallocx(ptr, 0);
uint64_t epoch;