> Hi folks, > > Some people have seen responsiveness improvements on desktop systems by > enabling the "NO_NEW_FAIR_SLEEPERS" option in the kernel scheduler options. > > I thought it'd be fun to try it out with Android on my FR but soon got sick of > reenabling it by hand through adb every time I turned it on so I used this > quick fix to my init.rc to get it going. It does seem a little snappier but > it's hard to tell if it's a real effect or just confirmation bias. ;-) > > You'll need a kernel with debugfs enabled and whilst Panicking's images > have it I don't think it's enabled in the new builds on Google Code yet.
Chris, Could you add this issue, including your snippets to the Google Code issue page? Feel free to start using http://groups.google.com/group/android-on-freerunner Thanks, Niels. > > cheers, > Chris > > --- init.rc.orig 2009-09-27 20:51:59.851716279 +1000 > +++ init.rc 2009-09-27 21:00:54.938670547 +1000 > @@ -21,10 +21,12 @@ > # create mountpoints and mount tmpfs on sqlite_stmt_journals > mkdir /sdcard 0000 system system > mkdir /system > + mkdir /debug > mkdir /data 0771 system system > mkdir /cache 0770 system cache > mkdir /sqlite_stmt_journals 01777 root root > mount tmpfs tmpfs /sqlite_stmt_journals size=4m > + mount debugfs - /debug > > mount rootfs rootfs / ro remount > > @@ -33,6 +35,7 @@ > write /proc/cpu/alignment 4 > write /proc/sys/kernel/sched_latency_ns 10000000 > write /proc/sys/kernel/sched_wakeup_granularity_ns 2000000 > + write /debug/sched_features NO_NEW_FAIR_SLEEPERS > > # mount mtd partitions > # Mount /system rw first to give the filesystem a chance to save a checkpoint > > > -- > Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC > > This email may come with a PGP signature as a file. Do not panic. > For more info see: http://en.wikipedia.org/wiki/OpenPGP > _________________________________________________________________ Reageer op foto’s van je vrienden en bekijk hun reacties op de jouwe. Gegarandeerd hilariteit! http://www.microsoft.com/belux/nl/windows/windowslive/products/photos.aspx _______________________________________________ android-freerunner mailing list android-freerunner@android.koolu.org http://android.koolu.org/listinfo.cgi/android-freerunner-koolu.org
