CONFIG_TRACER_SNAPSHOT=y
CONFIG_STACK_TRACER=y
CONFIG_HIST_TRIGGERS=y
+CONFIG_SCHED_TRACER=y
CONFIG_PREEMPT_TRACER=y
CONFIG_IRQSOFF_TRACER=y
CONFIG_PREEMPTIRQ_DELAY_TEST=m
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_SAMPLES=y
+CONFIG_SAMPLE_TRACE_PRINTK=m
+CONFIG_KALLSYMS_ALL=y
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
DEBUG=0
VERBOSE=0
UNSUPPORTED_RESULT=0
+STOP_FAILURE=0
# Parse command-line options
parse_opts $*
date > $LOG_FILE
fi
+# Define text colors
+# Check available colors on the terminal, if any
+ncolors=`tput colors 2>/dev/null`
+color_reset=
+color_red=
+color_green=
+color_blue=
+# If stdout exists and number of colors is eight or more, use them
+if [ -t 1 -a "$ncolors" -a "$ncolors" -ge 8 ]; then
+ color_reset="\e[0m"
+ color_red="\e[31m"
+ color_green="\e[32m"
+ color_blue="\e[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
- [ -z "$LOG_FILE" ] && echo "$@" || echo "$@" | tee -a $LOG_FILE
+ echo -e "$@"
+ [ "$LOG_FILE" ] && echo -e "$@" | strip_esc >> $LOG_FILE
}
catlog() { #file
- [ -z "$LOG_FILE" ] && cat $1 || cat $1 | tee -a $LOG_FILE
+ cat $1
+ [ "$LOG_FILE" ] && cat $1 | strip_esc >> $LOG_FILE
}
prlog "=== Ftrace unit tests ==="
eval_result() { # sigval
case $1 in
$PASS)
- prlog " [PASS]"
+ prlog " [${color_green}PASS${color_reset}]"
PASSED_CASES="$PASSED_CASES $CASENO"
return 0
;;
$FAIL)
- prlog " [FAIL]"
+ prlog " [${color_red}FAIL${color_reset}]"
FAILED_CASES="$FAILED_CASES $CASENO"
return 1 # this is a bug.
;;
$UNRESOLVED)
- prlog " [UNRESOLVED]"
+ prlog " [${color_blue}UNRESOLVED${color_reset}]"
UNRESOLVED_CASES="$UNRESOLVED_CASES $CASENO"
return 1 # this is a kind of bug.. something happened.
;;
$UNTESTED)
- prlog " [UNTESTED]"
+ prlog " [${color_blue}UNTESTED${color_reset}]"
UNTESTED_CASES="$UNTESTED_CASES $CASENO"
return 0
;;
$UNSUPPORTED)
- prlog " [UNSUPPORTED]"
+ prlog " [${color_blue}UNSUPPORTED${color_reset}]"
UNSUPPORTED_CASES="$UNSUPPORTED_CASES $CASENO"
return $UNSUPPORTED_RESULT # depends on use case
;;
$XFAIL)
- prlog " [XFAIL]"
+ prlog " [${color_red}XFAIL${color_reset}]"
XFAILED_CASES="$XFAILED_CASES $CASENO"
return 0
;;
*)
- prlog " [UNDEFINED]"
+ prlog " [${color_blue}UNDEFINED${color_reset}]"
UNDEFINED_CASES="$UNDEFINED_CASES $CASENO"
return 1 # this must be a test bug
;;
# Run one test case
run_test() { # testfile
local testname=`basename $1`
+ testcase $1
if [ ! -z "$LOG_FILE" ] ; then
- local testlog=`mktemp $LOG_DIR/${testname}-log.XXXXXX`
+ 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`
- testcase $1
echo "execute$INSTANCE: "$1 > $testlog
SIG_RESULT=0
- if [ -z "$LOG_FILE" ]; then
+ 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
# 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
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; initialize_ftrace) # for cleanup
prlog ""
prlog "# of passed: " `echo $PASSED_CASES | wc -w`
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Change the ringbuffer size
+# flags: instance
+
+rb_size_test() {
+ORIG=`cat buffer_size_kb`
+
+expr $ORIG / 2 > buffer_size_kb
+
+expr $ORIG \* 2 > buffer_size_kb
+
+echo $ORIG > buffer_size_kb
+}
+
+rb_size_test
+
+: "If per-cpu buffer is supported, imbalance it"
+if [ -d per_cpu/cpu0 ]; then
+ cd per_cpu/cpu0
+ rb_size_test
+fi
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: trace_pipe and trace_marker
+# flags: instance
+
+[ ! -f trace_marker ] && exit_unsupported
+
+echo "test input 1" > trace_marker
+
+: "trace interface never consume the ring buffer"
+grep -q "test input 1" trace
+grep -q "test input 1" trace
+
+: "trace interface never consume the ring buffer"
+head -n 1 trace_pipe | grep -q "test input 1"
+! grep -q "test input 1" trace
}
fail() { #msg
- do_reset
echo $1
exit_fail
}
-yield() {
- ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
-}
-
if [ ! -f set_event -o ! -d events/sched ]; then
echo "event tracing is not supported"
exit_unsupported
fi
-reset_tracer
-do_reset
-
echo 'sched:sched_switch' > set_event
yield
fail "sched_switch events should not be recorded"
fi
-do_reset
-
exit 0
exit_fail
}
-yield() {
- ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
-}
-
if [ ! -f set_event -o ! -d events/sched ]; then
echo "event tracing is not supported"
exit_unsupported
exit_unsupported
fi
-reset_tracer
-do_reset
+echo 0 > options/event-fork
echo 1 > events/sched/sched_switch/enable
read mypid rest < /proc/self/stat
echo $mypid > set_event_pid
+grep -q $mypid set_event_pid
echo 'sched:sched_switch' > set_event
yield
}
fail() { #msg
- do_reset
echo $1
exit_fail
}
-yield() {
- ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
-}
-
if [ ! -f set_event -o ! -d events/sched ]; then
echo "event tracing is not supported"
exit_unsupported
fi
-reset_tracer
-do_reset
-
echo 'sched:*' > set_event
yield
fail "any of scheduler events should not be recorded"
fi
-do_reset
-
exit 0
}
fail() { #msg
- do_reset
echo $1
exit_fail
}
-yield() {
- ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
-}
-
if [ ! -f available_events -o ! -f set_event -o ! -d events ]; then
echo "event tracing is not supported"
exit_unsupported
fi
-reset_tracer
-do_reset
-
echo '*:*' > set_event
yield
fail "any of events should not be recorded"
fi
-do_reset
-
exit 0
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Test trace_printk from module
+
+rmmod trace-printk ||:
+if ! modprobe trace-printk ; then
+ echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK=m"
+ exit_unresolved;
+fi
+
+echo "Waiting for irq work"
+sleep 1
+
+grep -q ": This .* trace_bputs" trace
+grep -q ": This .* trace_puts" trace
+grep -q ": This .* trace_bprintk" trace
+grep -q ": This .* trace_printk" trace
+
+grep -q ": (irq) .* trace_bputs" trace
+grep -q ": (irq) .* trace_puts" trace
+grep -q ": (irq) .* trace_bprintk" trace
+grep -q ": (irq) .* trace_printk" trace
+
+grep -q "This is a %s that will use trace_bprintk" printk_formats
+grep -q "(irq) This is a static string that will use trace_bputs" printk_formats
+
+rmmod trace-printk ||:
fi
do_reset() {
- reset_tracer
if [ -e /proc/sys/kernel/stack_tracer_enabled ]; then
echo 0 > /proc/sys/kernel/stack_tracer_enabled
fi
- enable_tracing
- clear_trace
- echo > set_ftrace_filter
}
fail() { # msg
exit_unsupported
fi
-do_reset() {
- reset_tracer
- enable_tracing
- clear_trace
-}
-
fail() { # msg
- do_reset
echo $1
exit_fail
}
fail "No schedule traces found?"
fi
-do_reset
-
exit 0
fi
do_reset() {
- reset_tracer
- clear_trace
- enable_tracing
- echo > set_ftrace_filter
- echo > set_ftrace_pid
-
if [ $do_function_fork -eq 0 ]; then
return
fi
exit_fail
}
-yield() {
- ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
-}
-
do_test() {
disable_tracing
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL2.0
+# description: ftrace - stacktrace filter command
+# flags: instance
+
+echo _do_fork:stacktrace >> set_ftrace_filter
+
+grep -q "_do_fork:stacktrace:unlimited" set_ftrace_filter
+
+(echo "forked"; sleep 1)
+
+grep -q "<stack trace>" trace
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL2.0
+# description: ftrace - function trace with cpumask
+
+if ! which nproc ; then
+ nproc() {
+ ls -d /sys/devices/system/cpu/cpu[0-9]* | wc -l
+ }
+fi
+
+NP=`nproc`
+
+if [ $NP -eq 1 ] ;then
+ echo "We can not test cpumask on UP environment"
+ exit_unresolved
+fi
+
+ORIG_CPUMASK=`cat tracing_cpumask`
+
+do_reset() {
+ echo $ORIG_CPUMASK > tracing_cpumask
+}
+
+echo 0 > tracing_on
+echo > trace
+: "Bitmask only record on CPU1"
+echo 2 > tracing_cpumask
+MASK=0x`cat tracing_cpumask`
+test `printf "%d" $MASK` -eq 2 || do_reset
+
+echo function > current_tracer
+echo 1 > tracing_on
+(echo "forked")
+echo 0 > tracing_on
+
+: "Check CPU1 events are recorded"
+grep -q -e "\[001\]" trace || do_reset
+
+: "There should be No other cpu events"
+! grep -qv -e "\[001\]" -e "^#" trace || do_reset
+
+do_reset
}
fail() { # mesg
- do_reset
echo $1
exit_fail
}
SLEEP_TIME=".1"
-do_reset
-
echo "Testing function probes with events:"
EVENT="sched:sched_switch"
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: ftrace - function trace on module
+
+[ ! -f set_ftrace_filter ] && exit_unsupported
+
+: "mod: allows to filter a non exist function"
+echo 'non_exist_func:mod:non_exist_module' > set_ftrace_filter
+grep -q "non_exist_func" set_ftrace_filter
+
+: "mod: on exist module"
+echo '*:mod:trace_printk' > set_ftrace_filter
+if ! modprobe trace-printk ; then
+ echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK=
+m"
+ exit_unresolved;
+fi
+
+: "Wildcard should be resolved after loading module"
+grep -q "trace_printk_irq_work" set_ftrace_filter
+
+: "After removing the filter becomes empty"
+rmmod trace_printk
+test `cat set_ftrace_filter | wc -l` -eq 0
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: ftrace - function profiling
+
+[ ! -f function_profile_enabled ] && exit_unsupported
+
+: "Enable function profile"
+echo 1 > function_profile_enabled
+
+: "Profile must be updated"
+cp trace_stat/function0 $TMPDIR/
+( echo "forked"; sleep 1 )
+: "diff returns 0 if there is no difference"
+! diff trace_stat/function0 $TMPDIR/function0
+
+echo 0 > function_profile_enabled
+
+: "Profile must NOT be updated"
+cp trace_stat/function0 $TMPDIR/
+( echo "forked"; sleep 1 )
+: "diff returns 0 if there is no difference"
+diff trace_stat/function0 $TMPDIR/function0
fi
fail() { # mesg
- reset_tracer
- echo > set_ftrace_filter
echo $1
exit_fail
}
fail "no other functions besides schedule was found"
fi
-reset_tracer
-
exit 0
exit_unsupported
fi
-do_reset() {
- reset_tracer
- reset_ftrace_filter
- disable_events
- clear_trace
- enable_tracing
-}
-
fail() { # mesg
- do_reset
echo $1
exit_fail
}
-do_reset
-
FILTER=set_ftrace_filter
FUNC1="schedule"
FUNC2="do_softirq"
rm $TMPDIR/expected
rm $TMPDIR/actual
-do_reset
-
exit 0
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: ftrace - Max stack tracer
+# Test the basic function of max-stack usage tracing
+
+if [ ! -f stack_trace ]; then
+ echo "Max stack tracer is not supported - please make CONFIG_STACK_TRACER=y"
+ exit_unsupported
+fi
+
+echo > stack_trace_filter
+echo 0 > stack_max_size
+echo 1 > /proc/sys/kernel/stack_tracer_enabled
+
+: "Fork and wait for the first entry become !lock"
+timeout=10
+while [ $timeout -ne 0 ]; do
+ ( echo "forked" )
+ FL=`grep " 0)" stack_trace`
+ echo $FL | grep -q "lock" || break;
+ timeout=$((timeout - 1))
+done
+echo 0 > /proc/sys/kernel/stack_tracer_enabled
+
+echo '*lock*' > stack_trace_filter
+test `cat stack_trace_filter | wc -l` -eq `grep lock stack_trace_filter | wc -l`
+
+echo 0 > stack_max_size
+echo 1 > /proc/sys/kernel/stack_tracer_enabled
+
+: "Fork and always the first entry including lock"
+timeout=10
+while [ $timeout -ne 0 ]; do
+ ( echo "forked" )
+ FL=`grep " 0)" stack_trace`
+ echo $FL | grep -q "lock"
+ timeout=$((timeout - 1))
+done
+echo 0 > /proc/sys/kernel/stack_tracer_enabled
exit_unsupported
fi
-do_reset() {
- reset_ftrace_filter
- reset_tracer
- disable_events
- clear_trace
- enable_tracing
-}
-
fail() { # mesg
- do_reset
echo $1
exit_fail
}
SLEEP_TIME=".1"
-do_reset
-
echo "Testing function probes with enabling disabling tracing:"
cnt_trace() {
reset_tracer
reset_trigger
reset_events_filter
+ reset_ftrace_filter
disable_events
echo > set_event_pid # event tracer is always on
+ echo > set_ftrace_pid
[ -f set_ftrace_filter ] && echo | tee set_ftrace_*
[ -f set_graph_function ] && echo | tee set_graph_*
[ -f stack_trace_filter ] && echo > stack_trace_filter
[ -f kprobe_events ] && echo > kprobe_events
[ -f uprobe_events ] && echo > uprobe_events
+ [ -f synthetic_events ] && echo > synthetic_events
+ [ -f snapshot ] && echo 0 > snapshot
+ clear_trace
enable_tracing
}
+
+LOCALHOST=127.0.0.1
+
+yield() {
+ ping $LOCALHOST -c 1 || sleep .001 || usleep 1 || sleep 1
+}
[ -f kprobe_events ] || exit_unsupported # this is configurable
-echo 0 > events/enable
-echo > kprobe_events
echo p:myevent _do_fork > kprobe_events
grep myevent kprobe_events
test -d events/kprobes/myevent
echo > kprobe_events
-clear_trace
[ -f kprobe_events ] || exit_unsupported
-echo 0 > events/enable
-echo > kprobe_events
echo p:myevent _do_fork > kprobe_events
test -d events/kprobes/myevent
echo 1 > events/kprobes/myevent/enable
echo > kprobe_events && exit_fail # this must fail
echo 0 > events/kprobes/myevent/enable
echo > kprobe_events # this must succeed
-clear_trace
[ -f kprobe_events ] || exit_unsupported # this is configurable
-echo 0 > events/enable
-echo > kprobe_events
echo 'p:testprobe _do_fork $stack $stack0 +0($stack)' > kprobe_events
-grep testprobe kprobe_events
+grep testprobe kprobe_events | grep -q 'arg1=\$stack arg2=\$stack0 arg3=+0(\$stack)'
test -d events/kprobes/testprobe
+
echo 1 > events/kprobes/testprobe/enable
( echo "forked")
+grep testprobe trace | grep '_do_fork' | \
+ grep -q 'arg1=0x[[:xdigit:]]* arg2=0x[[:xdigit:]]* arg3=0x[[:xdigit:]]*$'
+
echo 0 > events/kprobes/testprobe/enable
echo "-:testprobe" >> kprobe_events
clear_trace
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Kprobe event with comm arguments
+
+[ -f kprobe_events ] || exit_unsupported # this is configurable
+
+grep -A1 "fetcharg:" README | grep -q "\$comm" || exit_unsupported # this is too old
+
+echo 'p:testprobe _do_fork comm=$comm ' > kprobe_events
+grep testprobe kprobe_events | grep -q 'comm=$comm'
+test -d events/kprobes/testprobe
+
+echo 1 > events/kprobes/testprobe/enable
+( echo "forked")
+grep testprobe trace | grep -q 'comm=".*"'
+
+exit 0
[ -f kprobe_events ] || exit_unsupported # this is configurable
-echo 0 > events/enable
-echo > kprobe_events
-
case `uname -m` in
x86_64)
ARG1=%di
echo "p:test _do_fork" >> kprobe_events
grep -qe "testprobe.* arg1=\"test\" arg2=\"test\"" trace
-echo 0 > events/enable
-echo > kprobe_events
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Kprobe event symbol argument
+
+[ -f kprobe_events ] || exit_unsupported # this is configurable
+
+SYMBOL="linux_proc_banner"
+
+if [ ! -f /proc/kallsyms ]; then
+ echo "Can not check the target symbol - please enable CONFIG_KALLSYMS"
+ exit_unresolved
+elif ! grep "$SYMBOL\$" /proc/kallsyms; then
+ echo "Linux banner is not exported - please enable CONFIG_KALLSYMS_ALL"
+ exit_unresolved
+fi
+
+: "Test get basic types symbol argument"
+echo "p:testprobe_u _do_fork arg1=@linux_proc_banner:u64 arg2=@linux_proc_banner:u32 arg3=@linux_proc_banner:u16 arg4=@linux_proc_banner:u8" > kprobe_events
+echo "p:testprobe_s _do_fork arg1=@linux_proc_banner:s64 arg2=@linux_proc_banner:s32 arg3=@linux_proc_banner:s16 arg4=@linux_proc_banner:s8" >> kprobe_events
+if grep -q "x8/16/32/64" README; then
+ echo "p:testprobe_x _do_fork arg1=@linux_proc_banner:x64 arg2=@linux_proc_banner:x32 arg3=@linux_proc_banner:x16 arg4=@linux_proc_banner:x8" >> kprobe_events
+fi
+echo "p:testprobe_bf _do_fork arg1=@linux_proc_banner:b8@4/32" >> kprobe_events
+echo 1 > events/kprobes/enable
+(echo "forked")
+echo 0 > events/kprobes/enable
+grep "testprobe_[usx]:.* arg1=.* arg2=.* arg3=.* arg4=.*" trace
+grep "testprobe_bf:.* arg1=.*" trace
+
+: "Test get string symbol argument"
+echo "p:testprobe_str _do_fork arg1=@linux_proc_banner:string" > kprobe_events
+echo 1 > events/kprobes/enable
+(echo "forked")
+echo 0 > events/kprobes/enable
+RESULT=`grep "testprobe_str" trace | sed -e 's/.* arg1=\(.*\)/\1/'`
+
+RESULT=`echo $RESULT | sed -e 's/.* \((.*)\) \((.*)\) .*/\1 \2/'`
+ORIG=`cat /proc/version | sed -e 's/.* \((.*)\) \((.*)\) .*/\1 \2/'`
+test "$RESULT" = "$ORIG"
grep "x8/16/32/64" README > /dev/null || exit_unsupported # version issue
-echo 0 > events/enable
-echo > kprobe_events
-
PROBEFUNC="vfs_read"
GOODREG=
BADREG=
echo "r ${PROBEFUNC} \$retval" > kprobe_events
! echo "p ${PROBEFUNC} \$retval" > kprobe_events
+# $comm was introduced in 4.8, older kernels reject it.
+if grep -A1 "fetcharg:" README | grep -q '\$comm' ; then
: "Comm access"
test_goodarg "\$comm"
+fi
: "Indirect memory access"
test_goodarg "+0(${GOODREG})" "-0(${GOODREG})" "+10(\$stack)" \
test_goodarg "\$comm:string" "+0(\$stack):string"
test_badarg "\$comm:x64" "\$stack:string" "${GOODREG}:string"
-
-echo > kprobe_events
grep "x8/16/32/64" README > /dev/null || exit_unsupported # version issue
-echo 0 > events/enable
-echo > kprobe_events
-enable_tracing
-
-echo 'p:testprobe _do_fork $stack0:s32 $stack0:u32 $stack0:x32 $stack0:b8@4/32' > kprobe_events
-grep testprobe kprobe_events
-test -d events/kprobes/testprobe
-
-echo 1 > events/kprobes/testprobe/enable
-( echo "forked")
-echo 0 > events/kprobes/testprobe/enable
-ARGS=`tail -n 1 trace | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'`
+gen_event() { # Bitsize
+ echo "p:testprobe _do_fork \$stack0:s$1 \$stack0:u$1 \$stack0:x$1 \$stack0:b4@4/$1"
+}
-check_types() {
- X1=`printf "%x" $1 | tail -c 8`
+check_types() { # s-type u-type x-type bf-type width
+ test $# -eq 5
+ CW=$5
+ CW=$((CW / 4))
+ X1=`printf "%x" $1 | tail -c ${CW}`
X2=`printf "%x" $2`
X3=`printf "%x" $3`
test $X1 = $X2
test $X2 = $X3
test 0x$X3 = $3
- B4=`printf "%02x" $4`
- B3=`echo -n $X3 | tail -c 3 | head -c 2`
+ B4=`printf "%1x" $4`
+ B3=`printf "%03x" 0x$X3 | tail -c 2 | head -c 1`
test $B3 = $B4
}
-check_types $ARGS
-echo "-:testprobe" >> kprobe_events
-clear_trace
-test -d events/kprobes/testprobe && exit_fail || exit_pass
+for width in 64 32 16 8; do
+ : "Add new event with basic types"
+ gen_event $width > kprobe_events
+ grep testprobe kprobe_events
+ test -d events/kprobes/testprobe
+
+ : "Trace the event"
+ echo 1 > events/kprobes/testprobe/enable
+ ( echo "forked")
+ echo 0 > events/kprobes/testprobe/enable
+
+ : "Confirm the arguments is recorded in given types correctly"
+ ARGS=`grep "testprobe" trace | sed -e 's/.* arg1=\(.*\) arg2=\(.*\) arg3=\(.*\) arg4=\(.*\)/\1 \2 \3 \4/'`
+ check_types $ARGS $width
+
+ : "Clear event for next loop"
+ echo "-:testprobe" >> kprobe_events
+ clear_trace
+
+done
+
+exit_pass
[ -f kprobe_events ] || exit_unsupported # this is configurable
-disable_events
-echo > kprobe_events
-
:;: "Add an event on function without name" ;:
FUNC=`grep " [tT] .*vfs_read$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " "`
EVENT=`grep $FUNC kprobe_events | cut -f 1 -d " " | cut -f 2 -d:`
[ "x" != "x$EVENT" ] || exit_failure
test -d events/$EVENT || exit_failure
-
-echo > kprobe_events
# prepare
echo nop > current_tracer
echo _do_fork > set_ftrace_filter
-echo 0 > events/enable
-echo > kprobe_events
echo 'p:testprobe _do_fork' > kprobe_events
# kprobe on / ftrace off
( echo "forked")
grep testprobe trace
! grep '_do_fork <-' trace
-
-# cleanup
-echo nop > current_tracer
-echo > set_ftrace_filter
-echo 0 > events/kprobes/testprobe/enable
-echo > kprobe_events
-echo > trace
[ -f kprobe_events ] || exit_unsupported # this is configurable
-disable_events
-echo > kprobe_events
+rmmod trace-printk ||:
+if ! modprobe trace-printk ; then
+ echo "No trace-printk sample module - please make CONFIG_SAMPLE_TRACE_PRINTK=
+m"
+ exit_unresolved;
+fi
+
+MOD=trace_printk
+FUNC=trace_printk_irq_work
:;: "Add an event on a module function without specifying event name" ;:
-MOD=`lsmod | head -n 2 | tail -n 1 | cut -f1 -d" "`
-FUNC=`grep -m 1 ".* t .*\\[$MOD\\]" /proc/kallsyms | xargs | cut -f3 -d" "`
-[ "x" != "x$MOD" -a "y" != "y$FUNC" ] || exit_unresolved
echo "p $MOD:$FUNC" > kprobe_events
PROBE_NAME=`echo $MOD:$FUNC | tr ".:" "_"`
test -d events/kprobes/p_${PROBE_NAME}_0 || exit_failure
echo "p:kprobes1/event1 $MOD:$FUNC" > kprobe_events
test -d events/kprobes1/event1 || exit_failure
-echo > kprobe_events
+:;: "Remove target module, but event still be there" ;:
+if ! rmmod trace-printk ; then
+ echo "Failed to unload module - please enable CONFIG_MODULE_UNLOAD"
+ exit_unresolved;
+fi
+test -d events/kprobes1/event1
+
+:;: "Check posibility to defining events on unloaded module";:
+echo "p:event2 $MOD:$FUNC" >> kprobe_events
+
+:;: "Target is gone, but we can prepare for next time";:
+echo 1 > events/kprobes1/event1/enable
+
+:;: "Load module again, which means the event1 should be recorded";:
+modprobe trace-printk
+grep "event1:" trace
+
+:;: "Remove the module again and check the event is not locked"
+rmmod trace-printk
+echo 0 > events/kprobes1/event1/enable
+echo "-:kprobes1/event1" >> kprobe_events
[ -f kprobe_events ] || exit_unsupported # this is configurable
-echo 0 > events/enable
-echo > kprobe_events
+# Add new kretprobe event
echo 'r:testprobe2 _do_fork $retval' > kprobe_events
-grep testprobe2 kprobe_events
+grep testprobe2 kprobe_events | grep -q 'arg1=\$retval'
test -d events/kprobes/testprobe2
+
echo 1 > events/kprobes/testprobe2/enable
( echo "forked")
+
+cat trace | grep testprobe2 | grep -q '<- _do_fork'
+
echo 0 > events/kprobes/testprobe2/enable
echo '-:testprobe2' >> kprobe_events
clear_trace
[ -f kprobe_events ] || exit_unsupported # this is configurable
grep -q 'r\[maxactive\]' README || exit_unsupported # this is older version
-echo > kprobe_events
-
# Test if we successfully reject unknown messages
if echo 'a:myprobeaccept inet_csk_accept' > kprobe_events; then false; else true; fi
echo 'r10 inet_csk_accept' > kprobe_events
grep inet_csk_accept kprobe_events
echo > kprobe_events
-
-clear_trace
*) OFFS=0;;
esac
-if [ -d events/kprobes ]; then
- echo 0 > events/kprobes/enable
- echo > kprobe_events
-fi
-
N=0
echo "Setup up kprobes on first available 256 text symbols"
grep -i " t " /proc/kallsyms | cut -f3 -d" " | grep -v .*\\..* | \
UINT_TEST=yes
fi
-echo 0 > events/enable
-echo > kprobe_events
echo "p:testprobe ${TARGET_FUNC}" > kprobe_events
echo "p:testprobe ${TARGET}" > kprobe_events
echo "p:testprobe ${TARGET_FUNC}${NEXT}" > kprobe_events
if [ "${UINT_TEST}" = yes ]; then
! echo "p:testprobe ${TARGET_FUNC}${OVERFLOW}" > kprobe_events
fi
-echo > kprobe_events
-clear_trace
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+# description: Kprobe dynamic event - adding and removing
+
+[ -f kprobe_events ] || exit_unsupported # this is configurable
+
+! grep -q 'myevent' kprobe_profile
+echo p:myevent _do_fork > kprobe_events
+grep -q 'myevent[[:space:]]*0[[:space:]]*0$' kprobe_profile
+echo 1 > events/kprobes/myevent/enable
+( echo "forked" )
+grep -q 'myevent[[:space:]]*[[:digit:]]*[[:space:]]*0$' kprobe_profile
+echo 0 > events/kprobes/myevent/enable
+echo > kprobe_events
+! grep -q 'myevent' kprobe_profile
#!/bin/sh
+# SPDX-License-Identifier: GPL2.0
# description: %HERE DESCRIBE WHAT THIS DOES%
# you have to add ".tc" extention for your testcase file
# Note that all tests are run with "errexit" option.
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL2.0
+# description: Test wakeup tracer
+
+if ! which chrt ; then
+ echo "chrt is not found. This test requires nice command."
+ exit_unresolved
+fi
+
+if ! grep -wq "wakeup" available_tracers ; then
+ echo "wakeup tracer is not supported"
+ exit_unsupported
+fi
+
+echo wakeup > current_tracer
+echo 1 > tracing_on
+echo 0 > tracing_max_latency
+
+: "Wakeup higher priority task"
+chrt -f 5 sleep 1
+
+echo 0 > tracing_on
+grep '+ \[[[:digit:]]*\]' trace
+grep '==> \[[[:digit:]]*\]' trace
+
--- /dev/null
+#!/bin/sh
+# SPDX-License-Identifier: GPL2.0
+# description: Test wakeup RT tracer
+
+if ! which chrt ; then
+ echo "chrt is not found. This test requires chrt command."
+ exit_unresolved
+fi
+
+if ! grep -wq "wakeup_rt" available_tracers ; then
+ echo "wakeup_rt tracer is not supported"
+ exit_unsupported
+fi
+
+echo wakeup_rt > current_tracer
+echo 1 > tracing_on
+echo 0 > tracing_max_latency
+
+: "Wakeup a realtime task"
+chrt -f 5 sleep 1
+
+echo 0 > tracing_on
+grep "+ \[[[:digit:]]*\]" trace
+grep "==> \[[[:digit:]]*\]" trace
+
# description: event trigger - test extended error support
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-
echo "Test extended error support"
echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
! echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger 2> /dev/null
fail "Failed to generate extended error in histogram"
fi
-do_reset
-
exit 0
#!/bin/sh
# description: event trigger - test field variable support
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-clear_synthetic_events
-reset_tracer
-do_reset
-
echo "Test field variable support"
echo 'wakeup_latency u64 lat; pid_t pid; int prio; char comm[16]' > synthetic_events
echo 'hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_waking).wakeup_latency($wakeup_lat,next_pid,sched.sched_waking.prio,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger
echo 'hist:keys=pid,prio,comm:vals=lat:sort=pid,prio' > events/synthetic/wakeup_latency/trigger
-ping localhost -c 3
+ping $LOCALHOST -c 3
if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
fail "Failed to create inter-event histogram"
fi
fail "Failed to remove histogram with field variable"
fi
-do_reset
-
exit 0
#!/bin/sh
# description: event trigger - test inter-event combined histogram trigger
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-clear_synthetic_events
-
echo "Test create synthetic event"
echo 'waking_latency u64 lat pid_t pid' > synthetic_events
echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$waking_lat+$wakeup_lat:onmatch(synthetic.wakeup_latency).waking+wakeup_latency($ww_lat,pid)' >> events/synthetic/wakeup_latency/trigger
echo 'hist:keys=pid,lat:sort=pid,lat' >> events/synthetic/waking+wakeup_latency/trigger
-ping localhost -c 3
+ping $LOCALHOST -c 3
if ! grep -q "pid:" events/synthetic/waking+wakeup_latency/hist; then
fail "Failed to create combined histogram"
fi
-do_reset
-
exit 0
#!/bin/sh
# description: event trigger - test multiple actions on hist trigger
-
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-clear_synthetic_events
-reset_tracer
-do_reset
-
echo "Test multiple actions on hist trigger"
echo 'wakeup_latency u64 lat; pid_t pid' >> synthetic_events
TRIGGER1=events/sched/sched_wakeup/trigger
echo 'hist:keys=next_pid:onmatch(sched.sched_wakeup).wakeup_latency(sched.sched_switch.$wakeup_lat,prev_pid) if next_comm=="cyclictest"' >> $TRIGGER2
echo 'hist:keys=next_pid if next_comm=="cyclictest"' >> $TRIGGER2
-do_reset
-
exit 0
#!/bin/sh
# description: event trigger - test inter-event histogram trigger onmatch action
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-clear_synthetic_events
-reset_tracer
-do_reset
-
echo "Test create synthetic event"
echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid,next_comm) if next_comm=="ping"' > events/sched/sched_switch/trigger
echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger
-ping localhost -c 5
+
+ping $LOCALHOST -c 5
if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
fail "Failed to create onmatch action inter-event histogram"
fi
-do_reset
-
exit 0
#!/bin/sh
# description: event trigger - test inter-event histogram trigger onmatch-onmax action
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-clear_synthetic_events
-reset_tracer
-do_reset
-
echo "Test create synthetic event"
echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmatch(sched.sched_wakeup).wakeup_latency($wakeup_lat,next_pid,next_comm):onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger
echo 'hist:keys=comm,pid,lat:wakeup_lat=lat:sort=lat' > events/synthetic/wakeup_latency/trigger
-ping localhost -c 5
+
+ping $LOCALHOST -c 5
if [ ! grep -q "ping" events/synthetic/wakeup_latency/hist -o ! grep -q "max:" events/sched/sched_switch/hist]; then
fail "Failed to create onmatch-onmax action inter-event histogram"
fi
-do_reset
-
exit 0
#!/bin/sh
# description: event trigger - test inter-event histogram trigger onmax action
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-clear_synthetic_events
-reset_tracer
-do_reset
-
echo "Test create synthetic event"
echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger
echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0:onmax($wakeup_lat).save(next_comm,prev_pid,prev_prio,prev_comm) if next_comm=="ping"' >> events/sched/sched_switch/trigger
-ping localhost -c 3
+
+ping $LOCALHOST -c 3
if ! grep -q "max:" events/sched/sched_switch/hist; then
fail "Failed to create onmax action inter-event histogram"
fi
-do_reset
-
exit 0
#!/bin/sh
# description: event trigger - test synthetic event create remove
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-clear_synthetic_events
-reset_tracer
-do_reset
-
echo "Test create synthetic event"
echo 'wakeup_latency u64 lat pid_t pid char comm[16]' > synthetic_events
fail "Failed to delete wakeup_latency synthetic event"
fi
-do_reset
-
exit 0
# description: event trigger - test event enable/disable trigger
# flags: instance
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-
FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
if [ -z "$FEATURE" ]; then
echo "event enable/disable trigger is not supported"
! echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
! echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
-do_reset
-
exit 0
# description: event trigger - test trigger filter
# flags: instance
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-
echo "Test trigger filter"
echo 1 > tracing_on
echo 'traceoff if child_pid == 0' > events/sched/sched_process_fork/trigger
echo 'traceoff if parent_pid >= 0 || child_pid >= 0' > events/sched/sched_process_fork/trigger
echo '!traceoff' > events/sched/sched_process_fork/trigger
-
-
-do_reset
-
exit 0
# description: event trigger - test histogram modifiers
# flags: instance
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-
echo "Test histogram with execname modifier"
echo 'hist:keys=common_pid.execname' > events/sched/sched_process_fork/trigger
grep 'bytes_req: ~ 2^[0-9]*' events/kmem/kmalloc/hist > /dev/null || \
fail "log2 modifier on kmem/kmalloc did not work"
-do_reset
-
exit 0
# description: event trigger - test histogram trigger
# flags: instance
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-
echo "Test histogram basic tigger"
echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
events/sched/sched_process_fork/hist | cut -d: -f2 ` ||
fail "sort param on sched_process_fork did not work"
-do_reset
-
exit 0
# description: event trigger - test multiple histogram triggers
# flags: instance
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-
-reset_trigger
-
echo "Test histogram multiple tiggers"
echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l`
test $diffs -eq 0 || fail "Same name histograms are not same"
-reset_trigger
-
-do_reset
-
exit 0
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test snapshot-trigger
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-
FEATURE=`grep snapshot events/sched/sched_process_fork/trigger`
if [ -z "$FEATURE" ]; then
echo "snapshot trigger is not supported"
echo "snapshot" > events/sched/sched_process_fork/trigger
! echo "snapshot" > events/sched/sched_process_fork/trigger
-do_reset
-
exit 0
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test stacktrace-trigger
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-
FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger`
if [ -z "$FEATURE" ]; then
echo "stacktrace trigger is not supported"
echo "stacktrace" > events/sched/sched_process_fork/trigger
! echo "stacktrace" > events/sched/sched_process_fork/trigger
-do_reset
-
exit 0
# description: trace_marker trigger - test histogram trigger
# flags: instance
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-do_reset
-
echo "Test histogram trace_marker tigger"
echo 'hist:keys=common_pid' > events/ftrace/print/trigger
grep 'hitcount: *10$' events/ftrace/print/hist > /dev/null || \
fail "hist trigger did not trigger correct times on trace_marker"
-do_reset
-
exit 0
# description: trace_marker trigger - test snapshot trigger
# flags: instance
-do_reset() {
- reset_trigger
- echo > set_event
- echo 0 > snapshot
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
fi
echo "testing $line for >$x<"
match=`echo $line | sed -e "s/>$x<//"`
- if [ "$line" == "$match" ]; then
+ if [ "$line" = "$match" ]; then
fail "$line does not have >$x< in it"
fi
- let x=$x+2
+ x=$((x+2))
done
}
-do_reset
-
echo "Test snapshot trace_marker tigger"
echo 'snapshot' > events/ftrace/print/trigger
test_trace trace 1
test_trace snapshot 2
-do_reset
-
exit 0
# description: trace_marker trigger - test histogram with synthetic event against kernel event
# flags:
-do_reset() {
- reset_trigger
- echo > set_event
- echo > synthetic_events
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-do_reset
-
echo "Test histogram kernel event to trace_marker latency histogram trigger"
echo 'latency u64 lat' > synthetic_events
grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \
fail "hist trigger did not trigger "
-do_reset
-
exit 0
# description: trace_marker trigger - test histogram with synthetic event
# flags:
-do_reset() {
- reset_trigger
- echo > set_event
- echo > synthetic_events
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-do_reset
-
echo "Test histogram trace_marker to trace_marker latency histogram trigger"
echo 'latency u64 lat' > synthetic_events
grep 'hitcount: *1$' events/synthetic/latency/hist > /dev/null || \
fail "hist trigger did not trigger "
-do_reset
-
exit 0
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test traceon/off trigger
-do_reset() {
- reset_trigger
- echo > set_event
- clear_trace
-}
-
fail() { #msg
- do_reset
echo $1
exit_fail
}
exit_unsupported
fi
-reset_tracer
-do_reset
-
echo "Test traceoff trigger"
echo 1 > tracing_on
echo 'traceoff' > events/sched/sched_process_fork/trigger
! echo 'traceon' > events/sched/sched_process_fork/trigger
! echo 'traceoff' > events/sched/sched_process_fork/trigger
-do_reset
-
exit 0
# SPDX-License-Identifier: GPL-2.0
+CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/
+LDLIBS += -lmount -I/usr/include/libmount
+
TEST_PROGS := gpio-mockup.sh
-TEST_FILES := gpio-mockup-sysfs.sh $(BINARIES)
-BINARIES := gpio-mockup-chardev
-EXTRA_PROGS := ../gpiogpio-event-mon ../gpiogpio-hammer ../gpiolsgpio
-EXTRA_DIRS := ../gpioinclude/
-EXTRA_OBJS := ../gpiogpio-event-mon-in.o ../gpiogpio-event-mon.o
-EXTRA_OBJS += ../gpiogpio-hammer-in.o ../gpiogpio-utils.o ../gpiolsgpio-in.o
-EXTRA_OBJS += ../gpiolsgpio.o
+TEST_FILES := gpio-mockup-sysfs.sh
+TEST_PROGS_EXTENDED := gpio-mockup-chardev
+
+GPIODIR := $(realpath ../../../gpio)
+GPIOOBJ := gpio-utils.o
include ../lib.mk
-all: $(BINARIES)
+all: $(TEST_PROGS_EXTENDED)
override define CLEAN
- $(RM) $(BINARIES) $(EXTRA_PROGS) $(EXTRA_OBJS)
- $(RM) -r $(EXTRA_DIRS)
+ $(RM) $(TEST_PROGS_EXTENDED)
+ $(MAKE) -C $(GPIODIR) OUTPUT=$(GPIODIR)/ clean
endef
-CFLAGS += -O2 -g -std=gnu99 -Wall -I../../../../usr/include/
-LDLIBS += -lmount -I/usr/include/libmount
-
-$(BINARIES):| khdr
-$(BINARIES): ../../../gpio/gpio-utils.o
+$(TEST_PROGS_EXTENDED):| khdr
+$(TEST_PROGS_EXTENDED): $(GPIODIR)/$(GPIOOBJ)
-../../../gpio/gpio-utils.o:
- make ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) -C ../../../gpio
+$(GPIODIR)/$(GPIOOBJ):
+ $(MAKE) OUTPUT=$(GPIODIR)/ -C $(GPIODIR)
#define TEST_PAGES_PER_LOOP 1024
/* How many host loops to run (one KVM_GET_DIRTY_LOG for each loop) */
-#define TEST_HOST_LOOP_N 32
+#define TEST_HOST_LOOP_N 32UL
/* Interval for each host loop (ms) */
-#define TEST_HOST_LOOP_INTERVAL 10
+#define TEST_HOST_LOOP_INTERVAL 10UL
/*
* Guest/Host shared variables. Ensure addr_gva2hva() and/or
int kvm_fd;
vm = calloc(1, sizeof(*vm));
- TEST_ASSERT(vm != NULL, "Insufficent Memory");
+ TEST_ASSERT(vm != NULL, "Insufficient Memory");
vm->mode = mode;
vm_open(vm, perm);
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
// Test /proc/*/fd lookup.
-#define _GNU_SOURCE
+
#undef NDEBUG
#include <assert.h>
#include <dirent.h>
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
// Test that /proc/$KERNEL_THREAD/fd/ is empty.
-#define _GNU_SOURCE
+
#undef NDEBUG
#include <sys/syscall.h>
#include <assert.h>
int fd;
const char v = 'V';
-static const char sopts[] = "bdehp:t:";
+static const char sopts[] = "bdehp:t:Tn:N";
static const struct option lopts[] = {
{"bootstatus", no_argument, NULL, 'b'},
{"disable", no_argument, NULL, 'd'},
{"help", no_argument, NULL, 'h'},
{"pingrate", required_argument, NULL, 'p'},
{"timeout", required_argument, NULL, 't'},
+ {"gettimeout", no_argument, NULL, 'T'},
+ {"pretimeout", required_argument, NULL, 'n'},
+ {"getpretimeout", no_argument, NULL, 'N'},
{NULL, no_argument, NULL, 0x0}
};
printf(" -h, --help Print the help message\n");
printf(" -p, --pingrate=P Set ping rate to P seconds (default %d)\n", DEFAULT_PING_RATE);
printf(" -t, --timeout=T Set timeout to T seconds\n");
+ printf(" -T, --gettimeout Get the timeout\n");
+ printf(" -n, --pretimeout=T Set the pretimeout to T seconds\n");
+ printf(" -N, --getpretimeout Get the pretimeout\n");
printf("\n");
printf("Parameters are parsed left-to-right in real-time.\n");
printf("Example: %s -d -t 10 -p 5 -e\n", progname);
+ printf("Example: %s -t 12 -T -n 7 -N\n", progname);
}
int main(int argc, char *argv[])
fd = open("/dev/watchdog", O_WRONLY);
if (fd == -1) {
- printf("Watchdog device not enabled.\n");
+ if (errno == ENOENT)
+ printf("Watchdog device not enabled.\n");
+ else if (errno == EACCES)
+ printf("Run watchdog as root.\n");
+ else
+ printf("Watchdog device open failed %s\n",
+ strerror(errno));
exit(-1);
}
printf("Last boot is caused by: %s.\n", (flags != 0) ?
"Watchdog" : "Power-On-Reset");
else
- printf("WDIOC_GETBOOTSTATUS errno '%s'\n", strerror(errno));
+ printf("WDIOC_GETBOOTSTATUS error '%s'\n", strerror(errno));
break;
case 'd':
flags = WDIOS_DISABLECARD;
ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
if (!ret)
printf("Watchdog card disabled.\n");
- else
- printf("WDIOS_DISABLECARD errno '%s'\n", strerror(errno));
+ else {
+ printf("WDIOS_DISABLECARD error '%s'\n", strerror(errno));
+ oneshot = 1;
+ }
break;
case 'e':
flags = WDIOS_ENABLECARD;
ret = ioctl(fd, WDIOC_SETOPTIONS, &flags);
if (!ret)
printf("Watchdog card enabled.\n");
- else
- printf("WDIOS_ENABLECARD errno '%s'\n", strerror(errno));
+ else {
+ printf("WDIOS_ENABLECARD error '%s'\n", strerror(errno));
+ oneshot = 1;
+ }
break;
case 'p':
ping_rate = strtoul(optarg, NULL, 0);
ret = ioctl(fd, WDIOC_SETTIMEOUT, &flags);
if (!ret)
printf("Watchdog timeout set to %u seconds.\n", flags);
+ else {
+ printf("WDIOC_SETTIMEOUT error '%s'\n", strerror(errno));
+ oneshot = 1;
+ }
+ break;
+ case 'T':
+ oneshot = 1;
+ ret = ioctl(fd, WDIOC_GETTIMEOUT, &flags);
+ if (!ret)
+ printf("WDIOC_GETTIMEOUT returns %u seconds.\n", flags);
+ else
+ printf("WDIOC_GETTIMEOUT error '%s'\n", strerror(errno));
+ break;
+ case 'n':
+ flags = strtoul(optarg, NULL, 0);
+ ret = ioctl(fd, WDIOC_SETPRETIMEOUT, &flags);
+ if (!ret)
+ printf("Watchdog pretimeout set to %u seconds.\n", flags);
+ else {
+ printf("WDIOC_SETPRETIMEOUT error '%s'\n", strerror(errno));
+ oneshot = 1;
+ }
+ break;
+ case 'N':
+ oneshot = 1;
+ ret = ioctl(fd, WDIOC_GETPRETIMEOUT, &flags);
+ if (!ret)
+ printf("WDIOC_GETPRETIMEOUT returns %u seconds.\n", flags);
else
- printf("WDIOC_SETTIMEOUT errno '%s'\n", strerror(errno));
+ printf("WDIOC_GETPRETIMEOUT error '%s'\n", strerror(errno));
break;
default:
usage(argv[0]);
projects / linux-2.6-block.git / commitdiff