subject:"\[Qemu\-devel\] \[PATCH\] Reduce redundant timer rearming"

Re: [Qemu-devel] [PATCH] Reduce redundant timer rearming

2007-12-14 Thread Anders Melchiorsen

% time seconds usecs/call callserrors syscall -- --- --- - - 99.740.012590 1 22766 2706 ioctl 0.260.33 0 27044 clock_gettime 0.000.00 0 5413

[Qemu-devel] [PATCH] Reduce redundant timer rearming

2007-12-13 Thread Anders

The dynticks code in qemu sets and gets timers very often. These are the system calls (strace -c) of qemu/kvm running an idle Linux kernel at 250Hz for 10 seconds: % time seconds usecs/call callserrors syscall -- --- --- - - 99.