2 # SPDX-License-Identifier: GPL-2.0
7 # To debug, uncomment the following line
10 # Test whether the compile option -mprofile-kernel exists and generates
11 # profiling code (ie. a call to _mcount()).
12 echo "int func() { return 0; }" | \
13 $* -S -x c -O2 -p -mprofile-kernel - -o - 2> /dev/null | \
16 # Test whether the notrace attribute correctly suppresses calls to _mcount().
18 echo -e "#include <linux/compiler.h>\nnotrace int func() { return 0; }" | \
19 $* -S -x c -O2 -p -mprofile-kernel - -o - 2> /dev/null | \
20 grep -q "_mcount" && \