00:40:48.914  ========== Backtrace start: ==========
00:40:48.914  
00:40:48.914  in /var/jenkins/workspace/nvmf-tcp-phy-autotest/spdk/scripts/perf/pm/common:25 -> start_monitor_resources([])
00:40:48.914       ...
00:40:48.914     20  			${SUDO[MONITOR_RESOURCES_SUDO["$monitor"]]} \
00:40:48.914     21  				"$_pmdir/$monitor" -d "$PM_OUTPUTDIR" \
00:40:48.914     22  				-l -p "monitor.${0##*/}.$(date +%s)" &
00:40:48.914     23  		done
00:40:48.914     24  		# Give our monitors some time to setup their traps
00:40:48.914  => 25  		sleep 1
00:40:48.914     26  	}
00:40:48.914     27  	
00:40:48.914     28  	stop_monitor_resources() {
00:40:48.914     29  		signal_monitor_resources TERM
00:40:48.914     30  	}
00:40:48.914       ...
00:40:48.914  in /var/jenkins/workspace/nvmf-tcp-phy-autotest/spdk/test/common/autobuild_common.sh:455 -> source(["/var/jenkins/workspace/nvmf-tcp-phy-autotest/spdk/test/common/autobuild_common.sh"])
00:40:48.914       ...
00:40:48.914     450 	scanbuild_exclude+=" --exclude $rootdir/xnvme --exclude /tmp"
00:40:48.914     451 	
00:40:48.914     452 	scanbuild="scan-build -o $output_dir/scan-build-tmp $scanbuild_exclude --status-bugs"
00:40:48.914     453 	config_params=$(get_config_params)
00:40:48.914     454 	
00:40:48.914  => 455 	start_monitor_resources
00:40:48.914     456 	trap 'stop_monitor_resources' EXIT
00:40:48.914       ...
00:40:48.914  in /var/jenkins/workspace/nvmf-tcp-phy-autotest/spdk/autopackage.sh:8 -> main(["/var/jenkins/workspace/nvmf-tcp-phy-autotest/autorun-spdk.conf"])
00:40:48.914       ...
00:40:48.914     3   	#  Copyright (C) 2015 Intel Corporation
00:40:48.914     4   	#  All rights reserved.
00:40:48.914     5   	#
00:40:48.914     6   	
00:40:48.914     7   	rootdir=$(readlink -f $(dirname $0))
00:40:48.914  => 8   	source "$rootdir/test/common/autobuild_common.sh"
00:40:48.914     9   	
00:40:48.914     10  	MAKEFLAGS=${MAKEFLAGS:--j16}
00:40:48.914     11  	cd $rootdir
00:40:48.914     12  	
00:40:48.914     13  	if [[ $SPDK_TEST_RELEASE_BUILD -eq 1 ]]; then
00:40:48.914       ...
00:40:48.914  
00:40:48.914  ========== Backtrace end ==========