FM / bin

/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/rcutorture/bin/

/usr/src/linux-headers-5.15.0-181/tools/testing/selftests/rcutorture/bin

Name	Size	Mode	Actions
config2csv.sh	1842	0755	edit dl rm
configcheck.sh	986	0755	edit dl rm
configinit.sh	1314	0755	edit dl rm
configNR_CPUS.sh	688	0755	edit dl rm
config_override.sh	814	0755	edit dl rm
console-badness.sh	784	0755	edit dl rm
cpus2use.sh	829	0755	edit dl rm
functions.sh	7538	0644	edit dl rm
jitter.sh	2244	0755	edit dl rm
jitterstart.sh	994	0644	edit dl rm
jitterstop.sh	520	0644	edit dl rm
kcsan-collapse.sh	484	0755	edit dl rm
kvm-again.sh	4025	0755	edit dl rm
kvm-assign-cpus.sh	1999	0755	edit dl rm
kvm-build.sh	1317	0755	edit dl rm
kvm-check-branches.sh	3517	0755	edit dl rm
kvm-end-run-stats.sh	1083	0755	edit dl rm
kvm-find-errors.sh	1624	0755	edit dl rm
kvm-get-cpus-script.sh	2326	0755	edit dl rm
kvm-recheck-lock.sh	884	0755	edit dl rm
kvm-recheck-rcu.sh	2125	0755	edit dl rm
kvm-recheck-rcuscale-ftrace.sh	2680	0755	edit dl rm
kvm-recheck-rcuscale.sh	1959	0755	edit dl rm
kvm-recheck-refscale.sh	1562	0755	edit dl rm
kvm-recheck-scf.sh	930	0755	edit dl rm
kvm-recheck.sh	2694	0755	edit dl rm
kvm-remote-noreap.sh	629	0755	edit dl rm
kvm-remote.sh	7188	0755	edit dl rm
kvm-test-1-run-batch.sh	2630	0755	edit dl rm
kvm-test-1-run-qemu.sh	5393	0755	edit dl rm
kvm-test-1-run.sh	8736	0755	edit dl rm
kvm-transform.sh	2011	0755	edit dl rm
kvm.sh	18936	0755	edit dl rm
mkinitrd.sh	1996	0755	edit dl rm
parse-build.sh	1032	0755	edit dl rm
parse-console.sh	3968	0755	edit dl rm
torture.sh	14775	0755	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-181/tools/testing/selftests/rcutorture/bin/mkinitrd.sh (1996B)

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+
#
# Create an initrd directory if one does not already exist.
#
# Copyright (C) IBM Corporation, 2013
#
# Author: Connor Shu <Connor.Shu@ibm.com>

D=tools/testing/selftests/rcutorture

# Prerequisite checks
[ -z "$D" ] && echo >&2 "No argument supplied" && exit 1
if [ ! -d "$D" ]; then
    echo >&2 "$D does not exist: Malformed kernel source tree?"
    exit 1
fi
if [ -s "$D/initrd/init" ]; then
    echo "$D/initrd/init already exists, no need to create it"
    exit 0
fi

# Create a C-language initrd/init infinite-loop program and statically
# link it.  This results in a very small initrd.
echo "Creating a statically linked C-language initrd"
cd $D
mkdir -p initrd
cd initrd
cat > init.c << '___EOF___'
#ifndef NOLIBC
#include <unistd.h>
#include <sys/time.h>
#endif

volatile unsigned long delaycount;

int main(int argc, int argv[])
{
	int i;
	struct timeval tv;
	struct timeval tvb;

for (;;) {
		sleep(1);
		/* Need some userspace time. */
		if (gettimeofday(&tvb, NULL))
			continue;
		do {
			for (i = 0; i < 1000 * 100; i++)
				delaycount = i * i;
			if (gettimeofday(&tv, NULL))
				break;
			tv.tv_sec -= tvb.tv_sec;
			if (tv.tv_sec > 1)
				break;
			tv.tv_usec += tv.tv_sec * 1000 * 1000;
			tv.tv_usec -= tvb.tv_usec;
		} while (tv.tv_usec < 1000);
	}
	return 0;
}
___EOF___

# build using nolibc on supported archs (smaller executable) and fall
# back to regular glibc on other ones.
if echo -e "#if __x86_64__||__i386__||__i486__||__i586__||__i686__" \
           "||__ARM_EABI__||__aarch64__\nyes\n#endif" \
   | ${CROSS_COMPILE}gcc -E -nostdlib -xc - \
   | grep -q '^yes'; then
	# architecture supported by nolibc
        ${CROSS_COMPILE}gcc -fno-asynchronous-unwind-tables -fno-ident \
		-nostdlib -include ../../../../include/nolibc/nolibc.h \
		-s -static -Os -o init init.c -lgcc
else
	${CROSS_COMPILE}gcc -s -static -Os -o init init.c
fi

rm init.c
echo "Done creating a statically linked C-language initrd"

exit 0

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