Commit cec3adf5 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Shuah Khan (Samsung OSG)

selftests/ftrace: Use loopback address instead of localhost

Use raw loopback address instead of localhost, because
"localhost" can depend on nsswitch and in some case
we can not resolve the localhost.
Signed-off-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: default avatarShuah Khan (Samsung OSG) <shuah@kernel.org>
parent 72ce3daf
......@@ -13,10 +13,6 @@ fail() { #msg
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
......
......@@ -16,10 +16,6 @@ fail() { #msg
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
......
......@@ -13,10 +13,6 @@ fail() { #msg
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
......
......@@ -12,10 +12,6 @@ fail() { #msg
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
......
......@@ -48,10 +48,6 @@ fail() { # msg
exit_fail
}
yield() {
ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1
}
do_test() {
disable_tracing
......
......@@ -103,3 +103,9 @@ initialize_ftrace() { # Reset ftrace to initial-state
clear_trace
enable_tracing
}
LOCALHOST=127.0.0.1
yield() {
ping $LOCALHOST -c 1 || sleep .001 || usleep 1 || sleep 1
}
......@@ -23,7 +23,7 @@ echo 'hist:keys=comm:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/
echo 'hist:keys=next_comm:wakeup_lat=common_timestamp.usecs-$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 $LOCALHOST -c 3
if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
fail "Failed to create inter-event histogram"
fi
......
......@@ -37,7 +37,7 @@ echo 'waking+wakeup_latency u64 lat; pid_t pid' >> synthetic_events
echo 'hist:keys=pid,lat:sort=pid,lat:ww_lat=$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 $LOCALHOST -c 3
if ! grep -q "pid:" events/synthetic/waking+wakeup_latency/hist; then
fail "Failed to create combined histogram"
fi
......
......@@ -29,7 +29,8 @@ echo "Test histogram variables,simple expression support and onmatch action"
echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$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 $LOCALHOST -c 5
if ! grep -q "ping" events/synthetic/wakeup_latency/hist; then
fail "Failed to create onmatch action inter-event histogram"
fi
......
......@@ -29,7 +29,8 @@ echo "Test histogram variables,simple expression support and onmatch-onmax actio
echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger
echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$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 $LOCALHOST -c 5
if [ ! grep -q "ping" events/synthetic/wakeup_latency/hist -o ! grep -q "max:" events/sched/sched_switch/hist]; then
fail "Failed to create onmatch-onmax action inter-event histogram"
fi
......
......@@ -27,7 +27,8 @@ echo "Test onmax action"
echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_waking/trigger
echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$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
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment