00:31:00.876  ========== Backtrace start: ==========
00:31:00.876  
00:31:00.876  in /var/jenkins/workspace/nvmf-phy-autotest/spdk/autotest.sh:384 -> main(["/var/jenkins/workspace/nvmf-phy-autotest/autorun-spdk.conf"])
00:31:00.876       ...
00:31:00.876     379 	fi
00:31:00.876     380 	
00:31:00.876     381 	trap - SIGINT SIGTERM EXIT
00:31:00.876     382 	
00:31:00.876     383 	timing_enter post_cleanup
00:31:00.876  => 384 	autotest_cleanup
00:31:00.876     385 	timing_exit post_cleanup
00:31:00.876     386 	
00:31:00.876     387 	timing_exit autotest
00:31:00.876     388 	chmod a+r $output_dir/timing.txt
00:31:00.876     389 	
00:31:00.876       ...
00:31:00.876  
00:31:00.876  ========== Backtrace end ==========