00:44:53.875  ========== Backtrace start: ==========
00:44:53.875  
00:44:53.875  in /var/jenkins/workspace/nvmf-tcp-phy-autotest/spdk/autotest.sh:384 -> main(["/var/jenkins/workspace/nvmf-tcp-phy-autotest/autorun-spdk.conf"])
00:44:53.875       ...
00:44:53.875     379 	fi
00:44:53.875     380 	
00:44:53.875     381 	trap - SIGINT SIGTERM EXIT
00:44:53.875     382 	
00:44:53.875     383 	timing_enter post_cleanup
00:44:53.875  => 384 	autotest_cleanup
00:44:53.875     385 	timing_exit post_cleanup
00:44:53.875     386 	
00:44:53.875     387 	timing_exit autotest
00:44:53.875     388 	chmod a+r $output_dir/timing.txt
00:44:53.875     389 	
00:44:53.875       ...
00:44:53.875  
00:44:53.875  ========== Backtrace end ==========