Hi, thanks for the patch. I fixed the issue with the latest commit to the qiv repository.
https://bitbucket.org/ciberandy/qiv/commits/f42a810 I slightly changed the patch. Cheers, Thomas * Hamish ([email protected]) wrote [Wed, 140423 04:34]: > I'm using the --watch command line switch on a kiosk display with > a Raspberry Pi on the backend. Updated display images get rsync'd > into place to update the plots on the screen. > The trouble is that `qiv` is chewing up 33% of the (already overclocked) > CPU! Testing on my desktop workstation it's using 17% of one of my > desktop cores when in --watch mode. Ouch. > The problem is in utils.c, the usleep(200) there is way too short: > 200 microseconds == updating every 0.0002 sec! > 24 fps (watchable films) is 0.0416667 sec. == 41666.7 usec. > But even 24 fps is probably too fast for this job, 10 fps should > be more than enough to be noticable. (10 Hz is 100000 usec.) > thus I humbly submit this patch to solve the issue: > (tested & rebuilt the deb pkg, top shows it now down to 0.0% cpu use) -- [X] Nail here for new Monitor -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
