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Hello Peter! I tried to do this but it recorded nothing. Maybe I did something wrong? Cheers, Sylvia On 14/11/16 04:20, Peter Hutterer
wrote:
[Disclaimer: sorry if you've seen this one before, I posted it to desktop@ but I only got one recording. That's not quite enough to call it a dataset, let alone do any analysis on it. Please do consider the minimal effort required on your behalf.] Are you using a touchpad frequently during the day? Then please read on, I need some touchpad usage data and it'll only take you 5 minutes to run the commands below to gather the data. If you're technical enough, here's the TLDR: in screen, run sudo evemu-record > touchpad-recording.evemu, select your touchpad device and at the end of the day upload a compressed tarball somewhere and send me the link off-list. thanks. Otherwise, the steps one-by-one: Open a a terminal now, then install evemu: $> sudo dnf install -y evemu screen Then start screen: $> screen -S evemu Now you're inside screen and you can start the recording $> sudo evemu-record > $HOME/touchpad-recording.evemu One device will be a touchpad, named "SynPS/2 Synaptics Touchpad" or some other name that should be identifiable. If you're on a late model Dell, it may be named DLL0234 or something. Once you selected the device, evemu will start recording. Then hit Ctrl+a, then d to detach screen and return to the terminal. Check that the recording works: $> tail -f $HOME/touchpad-recording.evemu Whenever you touch the touchpad, you should see events filling up the screen now. If so, everything is working. Hit Ctrl+C to quit the 'tail' command. You can close the terminal now. The screen session will now sit in the background, recording all your touchpad events into that file. At the end of the day: First, open a terminal and restore the screen session: $> screen -r evemu Hit Ctrl+C to interrupt the evemu-record process, then type exit to quit screen. Compress it first so it reduces in size a bit: $> gzip $HOME/touchpad-recording.evemu Now upload the newly created $HOME/touchpad-recording.evemu.gz file somewhere and send me a off-list email with the link so I can grab it. Thanks heaps. As for "why" do I need this? I need it to analyse touchpad motion data to get an idea of what range of finger motion speed is common and expected during normal usage. Cheers, Peter _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx |
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