519 lines
12 KiB
Bash
Executable File
519 lines
12 KiB
Bash
Executable File
#!/bin/sh
|
|
# SPDX-License-Identifier: GPL-2.0-only
|
|
|
|
# ftracetest - Ftrace test shell scripts
|
|
#
|
|
# Copyright (C) Hitachi Ltd., 2014
|
|
# Written by Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
|
|
#
|
|
|
|
usage() { # errno [message]
|
|
[ ! -z "$2" ] && echo $2
|
|
echo "Usage: ftracetest [options] [testcase(s)] [testcase-directory(s)]"
|
|
echo " Options:"
|
|
echo " -h|--help Show help message"
|
|
echo " -k|--keep Keep passed test logs"
|
|
echo " -K|--ktap Output in KTAP format"
|
|
echo " -v|--verbose Increase verbosity of test messages"
|
|
echo " -vv Alias of -v -v (Show all results in stdout)"
|
|
echo " -vvv Alias of -v -v -v (Show all commands immediately)"
|
|
echo " --fail-unsupported Treat UNSUPPORTED as a failure"
|
|
echo " --fail-unresolved Treat UNRESOLVED as a failure"
|
|
echo " -d|--debug Debug mode (trace all shell commands)"
|
|
echo " -l|--logdir <dir> Save logs on the <dir>"
|
|
echo " If <dir> is -, all logs output in console only"
|
|
exit $1
|
|
}
|
|
|
|
# default error
|
|
err_ret=1
|
|
|
|
# kselftest skip code is 4
|
|
err_skip=4
|
|
|
|
# umount required
|
|
UMOUNT_DIR=""
|
|
|
|
# cgroup RT scheduling prevents chrt commands from succeeding, which
|
|
# induces failures in test wakeup tests. Disable for the duration of
|
|
# the tests.
|
|
|
|
readonly sched_rt_runtime=/proc/sys/kernel/sched_rt_runtime_us
|
|
|
|
sched_rt_runtime_orig=$(cat $sched_rt_runtime)
|
|
|
|
setup() {
|
|
echo -1 > $sched_rt_runtime
|
|
}
|
|
|
|
cleanup() {
|
|
echo $sched_rt_runtime_orig > $sched_rt_runtime
|
|
if [ -n "${UMOUNT_DIR}" ]; then
|
|
umount ${UMOUNT_DIR} ||:
|
|
fi
|
|
}
|
|
|
|
errexit() { # message
|
|
echo "Error: $1" 1>&2
|
|
cleanup
|
|
exit $err_ret
|
|
}
|
|
|
|
# Ensuring user privilege
|
|
if [ `id -u` -ne 0 ]; then
|
|
errexit "this must be run by root user"
|
|
fi
|
|
|
|
setup
|
|
|
|
# Utilities
|
|
absdir() { # file_path
|
|
(cd `dirname $1`; pwd)
|
|
}
|
|
|
|
abspath() {
|
|
echo `absdir $1`/`basename $1`
|
|
}
|
|
|
|
find_testcases() { #directory
|
|
echo `find $1 -name \*.tc | sort`
|
|
}
|
|
|
|
parse_opts() { # opts
|
|
local OPT_TEST_CASES=
|
|
local OPT_TEST_DIR=
|
|
|
|
while [ ! -z "$1" ]; do
|
|
case "$1" in
|
|
--help|-h)
|
|
usage 0
|
|
;;
|
|
--keep|-k)
|
|
KEEP_LOG=1
|
|
shift 1
|
|
;;
|
|
--ktap|-K)
|
|
KTAP=1
|
|
shift 1
|
|
;;
|
|
--verbose|-v|-vv|-vvv)
|
|
if [ $VERBOSE -eq -1 ]; then
|
|
usage "--console can not use with --verbose"
|
|
fi
|
|
VERBOSE=$((VERBOSE + 1))
|
|
[ $1 = '-vv' ] && VERBOSE=$((VERBOSE + 1))
|
|
[ $1 = '-vvv' ] && VERBOSE=$((VERBOSE + 2))
|
|
shift 1
|
|
;;
|
|
--console)
|
|
if [ $VERBOSE -ne 0 ]; then
|
|
usage "--console can not use with --verbose"
|
|
fi
|
|
VERBOSE=-1
|
|
shift 1
|
|
;;
|
|
--debug|-d)
|
|
DEBUG=1
|
|
shift 1
|
|
;;
|
|
--stop-fail)
|
|
STOP_FAILURE=1
|
|
shift 1
|
|
;;
|
|
--fail-unsupported)
|
|
UNSUPPORTED_RESULT=1
|
|
shift 1
|
|
;;
|
|
--fail-unresolved)
|
|
UNRESOLVED_RESULT=1
|
|
shift 1
|
|
;;
|
|
--logdir|-l)
|
|
LOG_DIR=$2
|
|
LINK_PTR=
|
|
shift 2
|
|
;;
|
|
*.tc)
|
|
if [ -f "$1" ]; then
|
|
OPT_TEST_CASES="$OPT_TEST_CASES `abspath $1`"
|
|
shift 1
|
|
else
|
|
usage 1 "$1 is not a testcase"
|
|
fi
|
|
;;
|
|
*)
|
|
if [ -d "$1" ]; then
|
|
OPT_TEST_DIR=`abspath $1`
|
|
OPT_TEST_CASES="$OPT_TEST_CASES `find_testcases $OPT_TEST_DIR`"
|
|
shift 1
|
|
else
|
|
usage 1 "Invalid option ($1)"
|
|
fi
|
|
;;
|
|
esac
|
|
done
|
|
if [ ! -z "$OPT_TEST_CASES" ]; then
|
|
TEST_CASES=$OPT_TEST_CASES
|
|
fi
|
|
}
|
|
|
|
# Parameters
|
|
TRACING_DIR=`grep tracefs /proc/mounts | cut -f2 -d' ' | head -1`
|
|
if [ -z "$TRACING_DIR" ]; then
|
|
DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1`
|
|
if [ -z "$DEBUGFS_DIR" ]; then
|
|
# If tracefs exists, then so does /sys/kernel/tracing
|
|
if [ -d "/sys/kernel/tracing" ]; then
|
|
mount -t tracefs nodev /sys/kernel/tracing ||
|
|
errexit "Failed to mount /sys/kernel/tracing"
|
|
TRACING_DIR="/sys/kernel/tracing"
|
|
UMOUNT_DIR=${TRACING_DIR}
|
|
# If debugfs exists, then so does /sys/kernel/debug
|
|
elif [ -d "/sys/kernel/debug" ]; then
|
|
mount -t debugfs nodev /sys/kernel/debug ||
|
|
errexit "Failed to mount /sys/kernel/debug"
|
|
TRACING_DIR="/sys/kernel/debug/tracing"
|
|
UMOUNT_DIR=${TRACING_DIR}
|
|
else
|
|
err_ret=$err_skip
|
|
errexit "debugfs and tracefs are not configured in this kernel"
|
|
fi
|
|
else
|
|
TRACING_DIR="$DEBUGFS_DIR/tracing"
|
|
fi
|
|
fi
|
|
if [ ! -d "$TRACING_DIR" ]; then
|
|
err_ret=$err_skip
|
|
errexit "ftrace is not configured in this kernel"
|
|
fi
|
|
|
|
TOP_DIR=`absdir $0`
|
|
TEST_DIR=$TOP_DIR/test.d
|
|
TEST_CASES=`find_testcases $TEST_DIR`
|
|
LOG_TOP_DIR=$TOP_DIR/logs
|
|
LOG_DATE=`date +%Y%m%d-%H%M%S`
|
|
LOG_DIR=$LOG_TOP_DIR/$LOG_DATE/
|
|
LINK_PTR=$LOG_TOP_DIR/latest
|
|
KEEP_LOG=0
|
|
KTAP=0
|
|
DEBUG=0
|
|
VERBOSE=0
|
|
UNSUPPORTED_RESULT=0
|
|
UNRESOLVED_RESULT=0
|
|
STOP_FAILURE=0
|
|
# Parse command-line options
|
|
parse_opts $*
|
|
|
|
[ $DEBUG -ne 0 ] && set -x
|
|
|
|
# Verify parameters
|
|
if [ -z "$TRACING_DIR" -o ! -d "$TRACING_DIR" ]; then
|
|
errexit "No ftrace directory found"
|
|
fi
|
|
|
|
# Preparing logs
|
|
if [ "x$LOG_DIR" = "x-" ]; then
|
|
LOG_FILE=
|
|
date
|
|
else
|
|
LOG_FILE=$LOG_DIR/ftracetest.log
|
|
mkdir -p $LOG_DIR || errexit "Failed to make a log directory: $LOG_DIR"
|
|
date > $LOG_FILE
|
|
if [ "x-$LINK_PTR" != "x-" ]; then
|
|
unlink $LINK_PTR
|
|
ln -fs $LOG_DATE $LINK_PTR
|
|
fi
|
|
fi
|
|
|
|
# Define text colors
|
|
# Check available colors on the terminal, if any
|
|
ncolors=`tput colors 2>/dev/null || echo 0`
|
|
color_reset=
|
|
color_red=
|
|
color_green=
|
|
color_blue=
|
|
# If stdout exists and number of colors is eight or more, use them
|
|
if [ -t 1 -a "$ncolors" -ge 8 ]; then
|
|
color_reset="\033[0m"
|
|
color_red="\033[31m"
|
|
color_green="\033[32m"
|
|
color_blue="\033[34m"
|
|
fi
|
|
|
|
strip_esc() {
|
|
# busybox sed implementation doesn't accept "\x1B", so use [:cntrl:] instead.
|
|
sed -E "s/[[:cntrl:]]\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K]//g"
|
|
}
|
|
|
|
prlog() { # messages
|
|
newline="\n"
|
|
if [ "$1" = "-n" ] ; then
|
|
newline=
|
|
shift
|
|
fi
|
|
[ "$KTAP" != "1" ] && printf "$*$newline"
|
|
[ "$LOG_FILE" ] && printf "$*$newline" | strip_esc >> $LOG_FILE
|
|
}
|
|
catlog() { #file
|
|
cat $1
|
|
[ "$LOG_FILE" ] && cat $1 | strip_esc >> $LOG_FILE
|
|
}
|
|
prlog "=== Ftrace unit tests ==="
|
|
|
|
|
|
# Testcase management
|
|
# Test result codes - Dejagnu extended code
|
|
PASS=0 # The test succeeded.
|
|
FAIL=1 # The test failed, but was expected to succeed.
|
|
UNRESOLVED=2 # The test produced indeterminate results. (e.g. interrupted)
|
|
UNTESTED=3 # The test was not run, currently just a placeholder.
|
|
UNSUPPORTED=4 # The test failed because of lack of feature.
|
|
XFAIL=5 # The test failed, and was expected to fail.
|
|
|
|
# Accumulations
|
|
PASSED_CASES=
|
|
FAILED_CASES=
|
|
UNRESOLVED_CASES=
|
|
UNTESTED_CASES=
|
|
UNSUPPORTED_CASES=
|
|
XFAILED_CASES=
|
|
UNDEFINED_CASES=
|
|
TOTAL_RESULT=0
|
|
|
|
INSTANCE=
|
|
CASENO=0
|
|
CASENAME=
|
|
|
|
testcase() { # testfile
|
|
CASENO=$((CASENO+1))
|
|
CASENAME=`grep "^#[ \t]*description:" $1 | cut -f2- -d:`
|
|
}
|
|
|
|
checkreq() { # testfile
|
|
requires=`grep "^#[ \t]*requires:" $1 | cut -f2- -d:`
|
|
# Use eval to pass quoted-patterns correctly.
|
|
eval check_requires "$requires"
|
|
}
|
|
|
|
test_on_instance() { # testfile
|
|
grep -q "^#[ \t]*flags:.*instance" $1
|
|
}
|
|
|
|
ktaptest() { # result comment
|
|
if [ "$KTAP" != "1" ]; then
|
|
return
|
|
fi
|
|
|
|
local result=
|
|
if [ "$1" = "1" ]; then
|
|
result="ok"
|
|
else
|
|
result="not ok"
|
|
fi
|
|
shift
|
|
|
|
local comment=$*
|
|
if [ "$comment" != "" ]; then
|
|
comment="# $comment"
|
|
fi
|
|
|
|
echo $result $CASENO $INSTANCE$CASENAME $comment
|
|
}
|
|
|
|
eval_result() { # sigval
|
|
case $1 in
|
|
$PASS)
|
|
prlog " [${color_green}PASS${color_reset}]"
|
|
ktaptest 1
|
|
PASSED_CASES="$PASSED_CASES $CASENO"
|
|
return 0
|
|
;;
|
|
$FAIL)
|
|
prlog " [${color_red}FAIL${color_reset}]"
|
|
ktaptest 0
|
|
FAILED_CASES="$FAILED_CASES $CASENO"
|
|
return 1 # this is a bug.
|
|
;;
|
|
$UNRESOLVED)
|
|
prlog " [${color_blue}UNRESOLVED${color_reset}]"
|
|
ktaptest 0 UNRESOLVED
|
|
UNRESOLVED_CASES="$UNRESOLVED_CASES $CASENO"
|
|
return $UNRESOLVED_RESULT # depends on use case
|
|
;;
|
|
$UNTESTED)
|
|
prlog " [${color_blue}UNTESTED${color_reset}]"
|
|
ktaptest 1 SKIP
|
|
UNTESTED_CASES="$UNTESTED_CASES $CASENO"
|
|
return 0
|
|
;;
|
|
$UNSUPPORTED)
|
|
prlog " [${color_blue}UNSUPPORTED${color_reset}]"
|
|
ktaptest 1 SKIP
|
|
UNSUPPORTED_CASES="$UNSUPPORTED_CASES $CASENO"
|
|
return $UNSUPPORTED_RESULT # depends on use case
|
|
;;
|
|
$XFAIL)
|
|
prlog " [${color_green}XFAIL${color_reset}]"
|
|
ktaptest 1 XFAIL
|
|
XFAILED_CASES="$XFAILED_CASES $CASENO"
|
|
return 0
|
|
;;
|
|
*)
|
|
prlog " [${color_blue}UNDEFINED${color_reset}]"
|
|
ktaptest 0 error
|
|
UNDEFINED_CASES="$UNDEFINED_CASES $CASENO"
|
|
return 1 # this must be a test bug
|
|
;;
|
|
esac
|
|
}
|
|
|
|
# Signal handling for result codes
|
|
SIG_RESULT=
|
|
SIG_BASE=36 # Use realtime signals
|
|
SIG_PID=$$
|
|
|
|
exit_pass () {
|
|
exit 0
|
|
}
|
|
|
|
SIG_FAIL=$((SIG_BASE + FAIL))
|
|
exit_fail () {
|
|
exit 1
|
|
}
|
|
trap 'SIG_RESULT=$FAIL' $SIG_FAIL
|
|
|
|
SIG_UNRESOLVED=$((SIG_BASE + UNRESOLVED))
|
|
exit_unresolved () {
|
|
kill -s $SIG_UNRESOLVED $SIG_PID
|
|
exit 0
|
|
}
|
|
trap 'SIG_RESULT=$UNRESOLVED' $SIG_UNRESOLVED
|
|
|
|
SIG_UNTESTED=$((SIG_BASE + UNTESTED))
|
|
exit_untested () {
|
|
kill -s $SIG_UNTESTED $SIG_PID
|
|
exit 0
|
|
}
|
|
trap 'SIG_RESULT=$UNTESTED' $SIG_UNTESTED
|
|
|
|
SIG_UNSUPPORTED=$((SIG_BASE + UNSUPPORTED))
|
|
exit_unsupported () {
|
|
kill -s $SIG_UNSUPPORTED $SIG_PID
|
|
exit 0
|
|
}
|
|
trap 'SIG_RESULT=$UNSUPPORTED' $SIG_UNSUPPORTED
|
|
|
|
SIG_XFAIL=$((SIG_BASE + XFAIL))
|
|
exit_xfail () {
|
|
kill -s $SIG_XFAIL $SIG_PID
|
|
exit 0
|
|
}
|
|
trap 'SIG_RESULT=$XFAIL' $SIG_XFAIL
|
|
|
|
__run_test() { # testfile
|
|
# setup PID and PPID, $$ is not updated.
|
|
(cd $TRACING_DIR; read PID _ < /proc/self/stat; set -e; set -x;
|
|
checkreq $1; initialize_ftrace; . $1)
|
|
[ $? -ne 0 ] && kill -s $SIG_FAIL $SIG_PID
|
|
}
|
|
|
|
# Run one test case
|
|
run_test() { # testfile
|
|
local testname=`basename $1`
|
|
testcase $1
|
|
prlog -n "[$CASENO]$INSTANCE$CASENAME"
|
|
if [ ! -z "$LOG_FILE" ] ; then
|
|
local testlog=`mktemp $LOG_DIR/${CASENO}-${testname}-log.XXXXXX`
|
|
else
|
|
local testlog=/proc/self/fd/1
|
|
fi
|
|
export TMPDIR=`mktemp -d /tmp/ftracetest-dir.XXXXXX`
|
|
export FTRACETEST_ROOT=$TOP_DIR
|
|
echo "execute$INSTANCE: "$1 > $testlog
|
|
SIG_RESULT=0
|
|
if [ $VERBOSE -eq -1 ]; then
|
|
__run_test $1
|
|
elif [ -z "$LOG_FILE" ]; then
|
|
__run_test $1 2>&1
|
|
elif [ $VERBOSE -ge 3 ]; then
|
|
__run_test $1 | tee -a $testlog 2>&1
|
|
elif [ $VERBOSE -eq 2 ]; then
|
|
__run_test $1 2>> $testlog | tee -a $testlog
|
|
else
|
|
__run_test $1 >> $testlog 2>&1
|
|
fi
|
|
eval_result $SIG_RESULT
|
|
if [ $? -eq 0 ]; then
|
|
# Remove test log if the test was done as it was expected.
|
|
[ $KEEP_LOG -eq 0 -a ! -z "$LOG_FILE" ] && rm $testlog
|
|
else
|
|
[ $VERBOSE -eq 1 -o $VERBOSE -eq 2 ] && catlog $testlog
|
|
TOTAL_RESULT=1
|
|
fi
|
|
rm -rf $TMPDIR
|
|
}
|
|
|
|
# load in the helper functions
|
|
. $TEST_DIR/functions
|
|
|
|
if [ "$KTAP" = "1" ]; then
|
|
echo "TAP version 13"
|
|
|
|
casecount=`echo $TEST_CASES | wc -w`
|
|
for t in $TEST_CASES; do
|
|
test_on_instance $t || continue
|
|
casecount=$((casecount+1))
|
|
done
|
|
echo "1..${casecount}"
|
|
fi
|
|
|
|
# Main loop
|
|
for t in $TEST_CASES; do
|
|
run_test $t
|
|
if [ $STOP_FAILURE -ne 0 -a $TOTAL_RESULT -ne 0 ]; then
|
|
echo "A failure detected. Stop test."
|
|
exit 1
|
|
fi
|
|
done
|
|
|
|
# Test on instance loop
|
|
INSTANCE=" (instance) "
|
|
for t in $TEST_CASES; do
|
|
test_on_instance $t || continue
|
|
SAVED_TRACING_DIR=$TRACING_DIR
|
|
export TRACING_DIR=`mktemp -d $TRACING_DIR/instances/ftracetest.XXXXXX`
|
|
run_test $t
|
|
rmdir $TRACING_DIR
|
|
TRACING_DIR=$SAVED_TRACING_DIR
|
|
if [ $STOP_FAILURE -ne 0 -a $TOTAL_RESULT -ne 0 ]; then
|
|
echo "A failure detected. Stop test."
|
|
exit 1
|
|
fi
|
|
done
|
|
(cd $TRACING_DIR; finish_ftrace) # for cleanup
|
|
|
|
prlog ""
|
|
prlog "# of passed: " `echo $PASSED_CASES | wc -w`
|
|
prlog "# of failed: " `echo $FAILED_CASES | wc -w`
|
|
prlog "# of unresolved: " `echo $UNRESOLVED_CASES | wc -w`
|
|
prlog "# of untested: " `echo $UNTESTED_CASES | wc -w`
|
|
prlog "# of unsupported: " `echo $UNSUPPORTED_CASES | wc -w`
|
|
prlog "# of xfailed: " `echo $XFAILED_CASES | wc -w`
|
|
prlog "# of undefined(test bug): " `echo $UNDEFINED_CASES | wc -w`
|
|
|
|
if [ "$KTAP" = "1" ]; then
|
|
echo -n "# Totals:"
|
|
echo -n " pass:"`echo $PASSED_CASES | wc -w`
|
|
echo -n " faii:"`echo $FAILED_CASES | wc -w`
|
|
echo -n " xfail:"`echo $XFAILED_CASES | wc -w`
|
|
echo -n " xpass:0"
|
|
echo -n " skip:"`echo $UNTESTED_CASES $UNSUPPORTED_CASES | wc -w`
|
|
echo -n " error:"`echo $UNRESOLVED_CASES $UNDEFINED_CASES | wc -w`
|
|
echo
|
|
fi
|
|
|
|
cleanup
|
|
|
|
# if no error, return 0
|
|
exit $TOTAL_RESULT
|