romenskiy2012/jemalloc
1
0
Fork 0
mirror of https://github.com/jemalloc/jemalloc.git synced 2026-07-23 09:07:18 +03:00
Code Issues Projects Releases Packages Wiki Activity

Fix profiling sample metadata lookup during xallocx

Browse source
This commit is contained in:
Guangli Dai 2025-03-03 10:17:03 -08:00 • committed by Qi Wang
parent f55e0c3f5c
commit ac279d7e71
2 changed files with 37 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/jemalloc.c
View file

@ -3708,7 +3708,15 @@ ixallocx_prof(tsd_t *tsd, void *ptr, size_t old_usize, size_t size,
prof_info_get(tsd, ptr, alloc_ctx, &prof_info);
prof_alloc_rollback(tsd, tctx);
} else {
prof_info_get_and_reset_recent(tsd, ptr, alloc_ctx, &prof_info);
/*
* Need to retrieve the new alloc_ctx since the modification
* to edata has already been done.
*/
emap_alloc_ctx_t new_alloc_ctx;
emap_alloc_ctx_lookup(tsd_tsdn(tsd), &arena_emap_global, ptr,
&new_alloc_ctx);
prof_info_get_and_reset_recent(tsd, ptr, &new_alloc_ctx,
&prof_info);
assert(usize <= usize_max);
sample_event = te_prof_sample_event_lookahead(tsd, usize);
prof_realloc(tsd, ptr, size, usize, tctx, prof_active, ptr,