Hans,
I tried to observe the [DLL063E] kernel thread on my laptop with powertop, and can't reproduce the same value.
I keep moving my finger on touchpad as fast as possible for a whole powertop refresh cycle and got the max values I can observe.
Usage Events/s Category Description
587 us/s 0.6 Process [irq/39-DLLL063E:]
The events counter on your laptop is too high, that's the problem.
Could you do the following commands and attach the following log?
1. dmesg > dmesg.log
2. the ftrace log
sudo su
cd /sys/kernel/debug/tracing
echo function > current_tracer
echo :mod:hid_rmi > set_ftrace_filter # please don't touch the touchpad after enter this command
cp trace /tmp/trace.no_touch
# a single tap on touchpad
cp trace /tmp/trace.tap
3. attach dmesg.log, /tmp/trace.no_touch, and /tmp/trace.tap
Thanks.
Hans,
I tried to observe the [DLL063E] kernel thread on my laptop with powertop, and can't reproduce the same value.
I keep moving my finger on touchpad as fast as possible for a whole powertop refresh cycle and got the max values I can observe.
Usage Events/s Category Description
587 us/s 0.6 Process [irq/39-DLLL063E:]
The events counter on your laptop is too high, that's the problem. debug/tracing no_touch, and /tmp/trace.tap
Could you do the following commands and attach the following log?
1. dmesg > dmesg.log
2. the ftrace log
sudo su
cd /sys/kernel/
echo function > current_tracer
echo :mod:hid_rmi > set_ftrace_filter # please don't touch the touchpad after enter this command
cp trace /tmp/trace.no_touch
# a single tap on touchpad
cp trace /tmp/trace.tap
3. attach dmesg.log, /tmp/trace.
Thanks.