FM / bin

/usr/src/linux-headers-5.15.0-190/tools/testing/selftests/rcutorture/bin/

/usr/src/linux-headers-5.15.0-190/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-5.15.0-190/tools/testing/selftests/rcutorture/bin/functions.sh (7538B)

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0+
#
# Shell functions for the rest of the scripts.
#
# Copyright (C) IBM Corporation, 2013
#
# Authors: Paul E. McKenney <paulmck@linux.ibm.com>

# bootparam_hotplug_cpu bootparam-string
#
# Returns 1 if the specified boot-parameter string tells rcutorture to
# test CPU-hotplug operations.
bootparam_hotplug_cpu () {
	echo "$1" | grep -q "torture\.onoff_"
}

# checkarg --argname argtype $# arg mustmatch cannotmatch
#
# Checks the specified argument "arg" against the mustmatch and cannotmatch
# patterns.
checkarg () {
	if test $3 -le 1
	then
		echo $1 needs argument $2 matching \"$5\"
		usage
	fi
	if echo "$4" | grep -q -e "$5"
	then
		:
	else
		echo $1 $2 \"$4\" must match \"$5\"
		usage
	fi
	if echo "$4" | grep -q -e "$6"
	then
		echo $1 $2 \"$4\" must not match \"$6\"
		usage
	fi
}

# configfrag_boot_params bootparam-string config-fragment-file
#
# Adds boot parameters from the .boot file, if any.
configfrag_boot_params () {
	if test -r "$2.boot"
	then
		echo $1 `grep -v '^#' "$2.boot" | tr '\012' ' '`
	else
		echo $1
	fi
}

# configfrag_boot_cpus bootparam-string config-fragment-file config-cpus
#
# Decreases number of CPUs based on any nr_cpus= boot parameters specified.
configfrag_boot_cpus () {
	local bootargs="`configfrag_boot_params "$1" "$2"`"
	local nr_cpus
	if echo "${bootargs}" | grep -q 'nr_cpus=[0-9]'
	then
		nr_cpus="`echo "${bootargs}" | sed -e 's/^.*nr_cpus=$[0-9]*$.*$/\1/'`"
		if test "$3" -gt "$nr_cpus"
		then
			echo $nr_cpus
		else
			echo $3
		fi
	else
		echo $3
	fi
}

# configfrag_boot_maxcpus bootparam-string config-fragment-file config-cpus
#
# Decreases number of CPUs based on any maxcpus= boot parameters specified.
# This allows tests where additional CPUs come online later during the
# test run.  However, the torture parameters will be set based on the
# number of CPUs initially present, so the scripting should schedule
# test runs based on the maxcpus= boot parameter controlling the initial
# number of CPUs instead of on the ultimate number of CPUs.
configfrag_boot_maxcpus () {
	local bootargs="`configfrag_boot_params "$1" "$2"`"
	local maxcpus
	if echo "${bootargs}" | grep -q 'maxcpus=[0-9]'
	then
		maxcpus="`echo "${bootargs}" | sed -e 's/^.*maxcpus=$[0-9]*$.*$/\1/'`"
		if test "$3" -gt "$maxcpus"
		then
			echo $maxcpus
		else
			echo $3
		fi
	else
		echo $3
	fi
}

# configfrag_hotplug_cpu config-fragment-file
#
# Returns 1 if the config fragment specifies hotplug CPU.
configfrag_hotplug_cpu () {
	if test ! -r "$1"
	then
		echo Unreadable config fragment "$1" 1>&2
		exit -1
	fi
	grep -q '^CONFIG_HOTPLUG_CPU=y$' "$1"
}

# get_starttime
#
# Returns a cookie identifying the current time.
get_starttime () {
	awk 'BEGIN { print systime() }' < /dev/null
}

# get_starttime_duration starttime
#
# Given the return value from get_starttime, compute a human-readable
# string denoting the time since get_starttime.
get_starttime_duration () {
	awk -v starttime=$1 '
	BEGIN {
		ts = systime() - starttime; 
		tm = int(ts / 60);
		th = int(ts / 3600);
		td = int(ts / 86400);
		d = td;
		h = th - td * 24;
		m = tm - th * 60;
		s = ts - tm * 60;
		if (d >= 1)
			printf "%dd %d:%02d:%02d\n", d, h, m, s
		else if (h >= 1)
			printf "%d:%02d:%02d\n", h, m, s
		else if (m >= 1)
			printf "%d:%02d.0\n", m, s
		else
			print s " seconds"
	}' < /dev/null
}

# identify_boot_image qemu-cmd
#
# Returns the relative path to the kernel build image.  This will be
# arch/<arch>/boot/bzImage or vmlinux if bzImage is not a target for the
# architecture, unless overridden with the TORTURE_BOOT_IMAGE environment
# variable.
identify_boot_image () {
	if test -n "$TORTURE_BOOT_IMAGE"
	then
		echo $TORTURE_BOOT_IMAGE
	else
		case "$1" in
		qemu-system-x86_64|qemu-system-i386)
			echo arch/x86/boot/bzImage
			;;
		qemu-system-aarch64)
			echo arch/arm64/boot/Image
			;;
		*)
			echo vmlinux
			;;
		esac
	fi
}

# identify_qemu builddir
#
# Returns our best guess as to which qemu command is appropriate for
# the kernel at hand.  Override with the TORTURE_QEMU_CMD environment variable.
identify_qemu () {
	local u="`file "$1"`"
	if test -n "$TORTURE_QEMU_CMD"
	then
		echo $TORTURE_QEMU_CMD
	elif echo $u | grep -q x86-64
	then
		echo qemu-system-x86_64
	elif echo $u | grep -q "Intel 80386"
	then
		echo qemu-system-i386
	elif echo $u | grep -q aarch64
	then
		echo qemu-system-aarch64
	elif uname -a | grep -q ppc64
	then
		echo qemu-system-ppc64
	else
		echo Cannot figure out what qemu command to use! 1>&2
		echo file $1 output: $u
		# Usually this will be one of /usr/bin/qemu-system-*
		# Use TORTURE_QEMU_CMD environment variable or appropriate
		# argument to top-level script.
		exit 1
	fi
}

# identify_qemu_append qemu-cmd
#
# Output arguments for the qemu "-append" string based on CPU type
# and the TORTURE_QEMU_INTERACTIVE environment variable.
identify_qemu_append () {
	echo debug_boot_weak_hash
	echo panic=-1
	local console=ttyS0
	case "$1" in
	qemu-system-x86_64|qemu-system-i386)
		echo selinux=0 initcall_debug debug
		;;
	qemu-system-aarch64)
		console=ttyAMA0
		;;
	esac
	if test -n "$TORTURE_QEMU_INTERACTIVE"
	then
		echo root=/dev/sda
	else
		echo console=$console
	fi
}

# identify_qemu_args qemu-cmd serial-file
#
# Output arguments for qemu arguments based on the TORTURE_QEMU_MAC
# and TORTURE_QEMU_INTERACTIVE environment variables.
identify_qemu_args () {
	local KVM_CPU=""
	case "$1" in
	qemu-system-x86_64)
		KVM_CPU=kvm64
		;;
	qemu-system-i386)
		KVM_CPU=kvm32
		;;
	esac
	case "$1" in
	qemu-system-x86_64|qemu-system-i386)
		echo -machine q35,accel=kvm
		echo -cpu ${KVM_CPU}
		;;
	qemu-system-aarch64)
		echo -machine virt,gic-version=host -cpu host
		;;
	qemu-system-ppc64)
		echo -enable-kvm -M pseries -nodefaults
		echo -device spapr-vscsi
		if test -n "$TORTURE_QEMU_INTERACTIVE" -a -n "$TORTURE_QEMU_MAC"
		then
			echo -device spapr-vlan,netdev=net0,mac=$TORTURE_QEMU_MAC
			echo -netdev bridge,br=br0,id=net0
		fi
		;;
	esac
	if test -n "$TORTURE_QEMU_INTERACTIVE"
	then
		echo -monitor stdio -serial pty -S
	else
		echo -serial file:$2
	fi
}

# identify_qemu_vcpus
#
# Returns the number of virtual CPUs available to the aggregate of the
# guest OSes.
identify_qemu_vcpus () {
	getconf _NPROCESSORS_ONLN
}

# print_bug
#
# Prints "BUG: " in red followed by remaining arguments
print_bug () {
	printf '\033[031mBUG: \033[m'
	echo $*
}

# print_warning
#
# Prints "WARNING: " in yellow followed by remaining arguments
print_warning () {
	printf '\033[033mWARNING: \033[m'
	echo $*
}

# specify_qemu_cpus qemu-cmd qemu-args #cpus
#
# Appends a string containing "-smp XXX" to qemu-args, unless the incoming
# qemu-args already contains "-smp".
specify_qemu_cpus () {
	local nt;

if echo $2 | grep -q -e -smp
	then
		echo $2
	else
		case "$1" in
		qemu-system-x86_64|qemu-system-i386|qemu-system-aarch64)
			echo $2 -smp $3
			;;
		qemu-system-ppc64)
			nt="`lscpu | grep '^NUMA node0' | sed -e 's/^[^,]*,$[0-9]*$,.*$/\1/'`"
			echo $2 -smp cores=`expr $ $3 + $nt - 1 $ / $nt`,threads=$nt
			;;
		esac
	fi
}

# specify_qemu_net qemu-args
#
# Appends a string containing "-net none" to qemu-args, unless the incoming
# qemu-args already contains "-smp" or unless the TORTURE_QEMU_INTERACTIVE
# environment variable is set, in which case the string that is be added is
# instead "-net nic -net user".
specify_qemu_net () {
	if echo $1 | grep -q -e -net
	then
		echo $1
	elif test -n "$TORTURE_QEMU_INTERACTIVE"
	then
		echo $1 -net nic -net user
	else
		echo $1 -net none
	fi
}

cmd: