00:49:51.570  ========== Backtrace start: ==========
00:49:51.570  
00:49:51.571  in /home/vagrant/spdk_repo/spdk/autotest.sh:383 -> main(["/home/vagrant/spdk_repo/autorun-spdk.conf"])
00:49:51.571       ...
00:49:51.571     378 	fi
00:49:51.571     379 	
00:49:51.571     380 	trap - SIGINT SIGTERM EXIT
00:49:51.571     381 	
00:49:51.571     382 	timing_enter post_cleanup
00:49:51.571  => 383 	autotest_cleanup
00:49:51.571     384 	timing_exit post_cleanup
00:49:51.571     385 	
00:49:51.571     386 	timing_exit autotest
00:49:51.571     387 	chmod a+r $output_dir/timing.txt
00:49:51.571     388 	
00:49:51.571       ...
00:49:51.571  
00:49:51.571  ========== Backtrace end ==========