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Add lock to protect prof last-N dumping

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This commit is contained in:
Yinan Zhang
2020-04-13 12:05:51 -07:00
parent a835d9cf85
commit 3e19ebd2ea
4 changed files with 33 additions and 17 deletions
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3
src/prof.c
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@@ -1116,6 +1116,7 @@ prof_prefork0(tsdn_t *tsdn) {
for (i = 0; i < PROF_NCTX_LOCKS; i++) {
malloc_mutex_prefork(tsdn, &gctx_locks[i]);
}
malloc_mutex_prefork(tsdn, &prof_recent_dump_mtx);
}
}
@@ -1145,6 +1146,7 @@ prof_postfork_parent(tsdn_t *tsdn) {
malloc_mutex_postfork_parent(tsdn, &prof_dump_filename_mtx);
malloc_mutex_postfork_parent(tsdn, &prof_active_mtx);
counter_postfork_parent(tsdn, &prof_idump_accumulated);
malloc_mutex_postfork_parent(tsdn, &prof_recent_dump_mtx);
for (i = 0; i < PROF_NCTX_LOCKS; i++) {
malloc_mutex_postfork_parent(tsdn, &gctx_locks[i]);
}
@@ -1170,6 +1172,7 @@ prof_postfork_child(tsdn_t *tsdn) {
malloc_mutex_postfork_child(tsdn, &prof_dump_filename_mtx);
malloc_mutex_postfork_child(tsdn, &prof_active_mtx);
counter_postfork_child(tsdn, &prof_idump_accumulated);
malloc_mutex_postfork_child(tsdn, &prof_recent_dump_mtx);
for (i = 0; i < PROF_NCTX_LOCKS; i++) {
malloc_mutex_postfork_child(tsdn, &gctx_locks[i]);
}