Re: [Qemu-devel] [PATCH v2] Register Linux dyntick timer as per-thread signal

2011-07-23 Thread Anthony Liguori
On 06/17/2011 04:25 AM, Jan Kiszka wrote: Derived from kvm-tool patch http://thread.gmane.org/gmane.comp.emulators.kvm.devel/74309 Ingo Molnar pointed out that sending the timer signal to the whole process, just blocking it everywhere, is suboptimal with an increasing number of threads. QEMU is

[Qemu-devel] [PATCH v2] Register Linux dyntick timer as per-thread signal

2011-06-17 Thread Jan Kiszka
Derived from kvm-tool patch http://thread.gmane.org/gmane.comp.emulators.kvm.devel/74309 Ingo Molnar pointed out that sending the timer signal to the whole process, just blocking it everywhere, is suboptimal with an increasing number of threads. QEMU is also using this pattern so far. Linux

Re: [Qemu-devel] [PATCH v2] Register Linux dyntick timer as per-thread signal

2011-06-17 Thread Richard Henderson
On 06/17/2011 02:25 AM, Jan Kiszka wrote: Derived from kvm-tool patch http://thread.gmane.org/gmane.comp.emulators.kvm.devel/74309 Ingo Molnar pointed out that sending the timer signal to the whole process, just blocking it everywhere, is suboptimal with an increasing number of threads.