Re: [Qemu-devel] [PATCH v2 0/3] memory: an optimization

2016-02-22 Thread Fam Zheng
On Mon, 02/22 11:22, Paolo Bonzini wrote: > > > On 22/02/2016 09:34, Gonglei wrote: > > Perf top tells me qemu_get_ram_ptr consume some cpu cycles. > > > > Before this optimization: > > 1.26% qemu-kvm [.] qemu_get_ram_ptr > > 0.89% qemu-kvm [.] qemu_get_ra

Re: [Qemu-devel] [PATCH v2 0/3] memory: an optimization

2016-02-22 Thread Paolo Bonzini
On 22/02/2016 09:34, Gonglei wrote: > Perf top tells me qemu_get_ram_ptr consume some cpu cycles. > > Before this optimization: > 1.26% qemu-kvm [.] qemu_get_ram_ptr > 0.89% qemu-kvm [.] qemu_get_ram_block > > Applied the patch set: > 0.87% qemu-kvm

[Qemu-devel] [PATCH v2 0/3] memory: an optimization

2016-02-22 Thread Gonglei
Perf top tells me qemu_get_ram_ptr consume some cpu cycles. Before this optimization: 1.26% qemu-kvm [.] qemu_get_ram_ptr 0.89% qemu-kvm [.] qemu_get_ram_block Applied the patch set: 0.87% qemu-kvm [.] qemu_get_ram_ptr And Paolo suggested