Re: [perf] unchecked MSR access error: WRMSR to 0x689 in intel_pmu_lbr_restore

[Vince Weaver]

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