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Optimize irallocx_prof() to optimistically update the sampler state.

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This commit is contained in:
Jason Evans 2015-09-14 22:40:42 -07:00
parent 4acb6c7ff3
commit 46ff049128
1 changed files with 3 additions and 3 deletions
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6
src/jemalloc.c
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@ -2124,7 +2124,7 @@ irallocx_prof(tsd_t *tsd, void *oldptr, size_t old_usize, size_t size,
prof_tctx_t *old_tctx, *tctx;
old_tctx = prof_tctx_get(oldptr);
tctx = prof_alloc_prep(tsd, *usize, false);
tctx = prof_alloc_prep(tsd, *usize, true);
if (unlikely((uintptr_t)tctx != (uintptr_t)1U)) {
p = irallocx_prof_sample(tsd, oldptr, old_usize, size,
alignment, *usize, zero, tcache, arena, tctx);
@ -2133,7 +2133,7 @@ irallocx_prof(tsd_t *tsd, void *oldptr, size_t old_usize, size_t size,
tcache, arena);
}
if (unlikely(p == NULL)) {
prof_alloc_rollback(tsd, tctx, false);
prof_alloc_rollback(tsd, tctx, true);
return (NULL);
}
@ -2148,7 +2148,7 @@ irallocx_prof(tsd_t *tsd, void *oldptr, size_t old_usize, size_t size,
*/
*usize = isalloc(p, config_prof);
}
prof_realloc(tsd, p, *usize, tctx, false, old_usize, old_tctx);
prof_realloc(tsd, p, *usize, tctx, true, old_usize, old_tctx);
return (p);
}