For what it's worth, I believe I was getting them on Overwatch as well. It's not happening with EVERY game I have though.
On Mon, Jun 13, 2016 at 8:28 PM, Abdulla Bubshait <[email protected]> wrote: > > > On Mon, Jun 13, 2016 at 6:27 PM, Jayme Howard <[email protected]> wrote: > > That's the output for Doom. > > > > [1639445.044855] kvm [9487]: vcpu2 kvm_set_msr_common: > MSR_IA32_DEBUGCTLMSR > > 0x1, nop > > [1639445.044861] kvm [9487]: vcpu2 ignored rdmsr: 0x1c9 > > [1639445.044862] kvm [9487]: vcpu2 ignored rdmsr: 0x680 > > [1639445.044863] kvm [9487]: vcpu2 ignored rdmsr: 0x6c0 > > [1639445.044890] kvm [9487]: vcpu1 kvm_set_msr_common: > MSR_IA32_DEBUGCTLMSR > > 0x1, nop > > [1639445.044895] kvm [9487]: vcpu1 ignored rdmsr: 0x1c9 > > [1639445.044896] kvm [9487]: vcpu1 ignored rdmsr: 0x680 > > [1639445.044897] kvm [9487]: vcpu1 ignored rdmsr: 0x6c0 > > [1639445.044905] kvm [9487]: vcpu1 kvm_set_msr_common: > MSR_IA32_DEBUGCTLMSR > > 0x1, nop > > [1639445.044907] kvm [9487]: vcpu1 ignored rdmsr: 0x1c9 > > [1639445.044908] kvm [9487]: vcpu1 ignored rdmsr: 0x680 > > [1639445.044909] kvm [9487]: vcpu1 ignored rdmsr: 0x6c0 > > [1639445.046195] kvm [9487]: vcpu2 kvm_set_msr_common: > MSR_IA32_DEBUGCTLMSR > > 0x1, nop > > [1639445.046198] kvm [9487]: vcpu2 ignored rdmsr: 0x1c9 > > [1639445.046204] kvm [9487]: vcpu2 kvm_set_msr_common: > MSR_IA32_DEBUGCTLMSR > > 0x1, nop > > [1639445.155114] kvm [9487]: vcpu0 kvm_set_msr_common: > MSR_IA32_DEBUGCTLMSR > > 0x1, nop > > [1639445.155123] kvm [9487]: vcpu0 kvm_set_msr_common: > MSR_IA32_DEBUGCTLMSR > > 0x1, nop > > > > Odd, this is another game that is contantly reading the LBR. I initially > thought this was part of the StarCraft 2 and Heroes of the Storm code. But > now I think this might be part of Windows 10. Something being called by > these games is causing a ton of LBR reads. Maybe DX 12? > > I think if we can find what is causing these reads in the games we might > be able to solve it. Because if this is the case we might be getting more > and more games with performance problems because of these LBR checks. >
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