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-rw-r--r--erts/emulator/beam/erl_bif_trace.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c
index b1c2c427b0..a480754bdb 100644
--- a/erts/emulator/beam/erl_bif_trace.c
+++ b/erts/emulator/beam/erl_bif_trace.c
@@ -1061,9 +1061,16 @@ trace_info_func(Process* p, Eterm func_spec, Eterm key)
erts_smp_thr_progress_block();
}
#endif
+#ifdef ERTS_DIRTY_SCHEDULERS
+ erts_smp_mtx_lock(&erts_dirty_bp_ix_mtx);
+#endif
+
r = function_is_traced(p, mfa, &ms, &ms_meta, &meta, &count, &call_time);
+#ifdef ERTS_DIRTY_SCHEDULERS
+ erts_smp_mtx_unlock(&erts_dirty_bp_ix_mtx);
+#endif
#ifdef ERTS_SMP
if ( (key == am_call_time) || (key == am_all)) {
erts_smp_thr_progress_unblock();