(gdb) bt #0 ngx_ssl_engine_qat_heuristic_poll (log=0x55a4ee0d3670) at modules/nginx_qat_module/ngx_ssl_engine_qat_module.c:694 #1 0x000055a4eba43791 in ngx_ssl_async_process_fds (c=0x7f2e19705db8) at src/event/ngx_event_openssl.c:1675 #2 0x000055a4eba47817 in ngx_ssl_shutdown (c=0x7f2e19705db8) at src/event/ngx_event_openssl.c:3169 #3 0x000055a4eba6b267 in ngx_http_close_connection (c=0x7f2e19705db8) at src/http/ngx_http_request.c:4096 #4 0x000055a4eba6a131 in ngx_http_keepalive_handler (rev=0x7f2e13053098) at src/http/ngx_http_request.c:3578 #5 0x000055a4eba28d05 in ngx_event_expire_timers () at src/event/ngx_event_timer.c:94 #6 0x000055a4eba260c5 in ngx_process_events_and_timers (cycle=0x55a4ed9fc610) at src/event/ngx_event.c:266 #7 0x000055a4eba395f0 in ngx_worker_process_cycle (cycle=0x55a4ed9fc610, data=0x0) at src/os/unix/ngx_process_cycle.c:769 #8 0x000055a4eba353bb in ngx_spawn_process (cycle=0x55a4ed9fc610, proc=0x55a4eba394aa <ngx_worker_process_cycle>, data=0x0, name=0x55a4ebb84103 "worker process", respawn=1) at src/os/unix/ngx_process.c:199 #9 0x000055a4eba38fa5 in ngx_reap_children (cycle=0x55a4ed9fc610) at src/os/unix/ngx_process_cycle.c:633 #10 0x000055a4eba37873 in ngx_master_process_cycle (cycle=0x55a4ed9fc610) at src/os/unix/ngx_process_cycle.c:177 #11 0x000055a4eb9ec700 in main (argc=3, argv=0x7ffd31c76538) at src/core/nginx.c:389
这样断:
(gdb) 719 else 720 threshold = qat_engine_heuristic_poll_sym_threshold; 721 722 if (*num_asym_requests_in_flight + *num_kdf_requests_in_flight 723 + *num_cipher_requests_in_flight + *num_asym_mb_items_in_queue 724 + *num_kdf_mb_items_in_queue + *num_sym_mb_items_in_queue 725 >= threshold) { 726 qat_engine_poll(log); 727 num_heuristic_poll ++; 728 } (gdb) b 722 if $_caller_is("ngx_ssl_async_process_fds") Breakpoint 2 at 0x7f2e3976477b: file modules/nginx_qat_module/ngx_ssl_engine_qat_module.c, line 722. (gdb)
参考: https://stackoverflow.com/questions/5336403/is-there-any-way-to-set-a-breakpoint-in-gdb-that-is-conditional-on-the-call-stac