<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Issue of CPU usage with HiFiBerry driver snd_soc_hifiberry_amp with Debian Wheezy kernel 3.12.28" href="https://bugs.freedesktop.org/show_bug.cgi?id=84585#c62">Comment # 62</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Issue of CPU usage with HiFiBerry driver snd_soc_hifiberry_amp with Debian Wheezy kernel 3.12.28" href="https://bugs.freedesktop.org/show_bug.cgi?id=84585">bug 84585</a> from <a class="email" href="mailto:superquad.vortex2@gmail.com" title="Raymond <superquad.vortex2@gmail.com>"> Raymond</a> <pre><a href="http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src?id=4df443bbe682055a41e7c2248877dcc7682a69b8">http://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/src?id=4df443bbe682055a41e7c2248877dcc7682a69b8</a> timer scheduling mode require driver provide accurate hwptr position if your driver did not provide dB scale, this force pulseaudio to use software volume any volume change by user force pulseaudio to perform rewind the safeguard is 256bytes (i.e. 64 frames) your result indicate the hwptr may remain unchanged for more than 400 frames now_us-last_us=164 now_us-start_us=70447 time_us-start_us=70426 time_us-last_time=164 time_us-start_time=70389 Available: 3416 loop iteration: 301 now_us-last_us=8858 now_us-start_us=79305 time_us-start_us=79275 time_us-last_time=8849 time_us-start_time=79238 Available: 3840 loop iteration: 302 now_us-last_us=258 now_us-start_us=79563 time_us-start_us=79539 time_us-last_time=264 time_us-start_time=79502 Available: 3852 loop iteration: 303</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>