Commit 1a11e63e authored by Pawel Wodkowski's avatar Pawel Wodkowski Committed by Jim Harris
Browse files

autotest_common.sh: show backtrace when something fail 



To aid debuging print file, line, function and code snipet of each stack
frame in script when error is generated.

Change-Id: Ib720b90049e7102a2e11755c6f10c016634efab9
Signed-off-by: default avatarPawel Wodkowski <pawelx.wodkowski@intel.com>
parent 4044f8b6

scripts/autotest_common.sh

+23 −0
Original line number Diff line number Diff line
@@ -196,3 +196,26 @@ function run_test() { 
	echo "************************************"

	set -x

}



function print_backtrace() {

	set +x

	echo "========== Backtrace start: =========="

	echo ""

	for i in $(seq 1 $((${#FUNCNAME[@]} - 1))); do

		local func="${FUNCNAME[$i]}"

		local line_nr="${BASH_LINENO[$((i - 1))]}"

		local src="${BASH_SOURCE[$i]/#$rootdir/.}"

		echo "in $src:$line_nr -> $func()"

		echo "     ..."

		nl -w 4 -ba -nln $src | grep -B 5 -A 5 "^$line_nr" | \

			sed "s/^/   /g" | sed "s/^   $line_nr/=> $line_nr/g"

		echo "     ..."

	done

	echo ""

	echo "========== Backtrace end =========="

	set -x

	return 0

}



set -o errtrace

trap "trap - ERR; print_backtrace >&2" ERR