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usr
/
src
/
linux-headers-5.15.0-181
/
tools
/
testing
/
selftests
/
fpu
/
/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/fpu
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Makefile
129
0644
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dl
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run_test_fpu.sh
878
0755
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dl
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/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/fpu/run_test_fpu.sh
(878B)
#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Load kernel module for FPU tests uid=$(id -u) if [ $uid -ne 0 ]; then echo "$0: Must be run as root" exit 1 fi if ! which modprobe > /dev/null 2>&1; then echo "$0: You need modprobe installed" exit 4 fi if ! modinfo test_fpu > /dev/null 2>&1; then echo "$0: You must have the following enabled in your kernel:" echo "CONFIG_TEST_FPU=m" exit 4 fi NR_CPUS=$(getconf _NPROCESSORS_ONLN) if [ ! $NR_CPUS ]; then NR_CPUS=1 fi modprobe test_fpu if [ ! -e /sys/kernel/debug/selftest_helpers/test_fpu ]; then mount -t debugfs none /sys/kernel/debug if [ ! -e /sys/kernel/debug/selftest_helpers/test_fpu ]; then echo "$0: Error mounting debugfs" exit 4 fi fi echo "Running 1000 iterations on all CPUs... " for i in $(seq 1 1000); do for c in $(seq 1 $NR_CPUS); do ./test_fpu & done done rmmod test_fpu
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