On Tue, Feb 17, 2009 at 4:59 PM, henry.lon...@gmail.com <henry.lon...@gmail.com> wrote: > > Just wondering if the 30~40% cpu utilization was considered in the > android design. This is a large number if other applications could run > simultaneously. > > Do you have tools(more accurate than top) that could be used to test > cpu utilization?
schedtop > > Thanks! > > On Feb 17, 3:38 pm, Nick Pelly <npe...@google.com> wrote: >> Yes we have CPU usage of around 30-40% by mediaserver when playing back MP3 >> over Bluetooth. Note that we do SBC encoding in the mediaserver. What kind >> of numbers were you expecting? >> The cpu usage in the kernel side shouldn't be too bad. It just slaps on some >> L2CAP headers, and the uart transfer uses DMA. >> >> Nick >> >> On Tue, Feb 17, 2009 at 2:57 PM, henry.lon...@gmail.com < >> >> henry.lon...@gmail.com> wrote: >> >> > When using bluetooth (bluez) to play audio mp3 file on G1, i observed >> > that cpu utilization(from top command) is very high. The mediaserver >> > process takes 30% of cpu. Bluez should also consume significant amount >> > of cpu since the l2cap is in the kernel. >> >> > The cpu frequency is 384Mhz, powerful enough. I'm wondering if this >> > 30% is accurate or not. Is it too high? >> >> > Also can anybody clarify any better tool to test cpu utilization? and >> > how to measure the cpu utilization for l2cap kernel socket? >> >> > Thanks! > > > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
