andrew.morton@mongodb.com found a bug within the TSAN metric script that doesn't remove duplicate warnings as shown here:
[2025/06/07 00:54:59.311] SUMMARY: ThreadSanitizer: data race src/btree/bt_curprev.c:669:15 in __cursor_row_prev [2025/06/07 00:54:59.311] SUMMARY: ThreadSanitizer: data race src/btree/bt_curprev.c:669 in __cursor_row_prev
The ticket is to fix these duplicates.