Re: [perf] unchecked MSR access error: WRMSR to 0x689 in intel_pmu_lbr_restore
From: Vince Weaver
Date: Tue Jul 12 2022 - 15:48:07 EST
On Mon, 11 Jul 2022, Pawan Gupta wrote:
> Output of below would be helpful:
>
> # grep "rtm\|hle" /proc/cpuinfo
no results
> ARCH_CAP
> # rdmsr 0x10a
rdmsr: CPU 0 cannot read MSR 0x0000010a
> TSX_CTRL
> # rdmsr 0x122
rdmsr: CPU 0 cannot read MSR 0x00000122
> MCU_OPT_CTRL
> # rdmsr 0x123
0
> TSX_FORCE_ABORT
> # rdmsr 0x10f
rdmsr: CPU 0 cannot read MSR 0x0000010f
This is on a Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
Family model stepping: 6/60/3
Vince