search for: msr_rapl_power_unit

Displaying 2 results from an estimated 2 matches for "msr_rapl_power_unit".

[PATCH] perf/x86/intel: Use rdmsrl_safe when initializing RAPL PMU.
2014 Mar 14
0
[PATCH] perf/x86/intel: Use rdmsrl_safe when initializing RAPL PMU.
...t;On 3/14/14, 10:17 AM, Andi Kleen wrote: >>>The Intel ISR section for RDMSR seems to say: "Specifying a reserved >>>or unimplemented >>>MSR address in ECX will also cause a general protection exception". >>> >>> From a guest's perspective, MSR_RAPL_POWER_UNIT is unimplemented; kvm matches >>>this behavior. >> >>MSRs are model specific and defined per model number. If you report a model >>number you're expected to implement the MSRs defined for that model number. >> >>AFAIK Xen just reports 0 for unknown MSRs (a...
[PATCH] perf/x86/intel: Use rdmsrl_safe when initializing RAPL PMU.
2014 Mar 14
0
[PATCH] perf/x86/intel: Use rdmsrl_safe when initializing RAPL PMU.
...t;On 3/14/14, 10:17 AM, Andi Kleen wrote: >>>The Intel ISR section for RDMSR seems to say: "Specifying a reserved >>>or unimplemented >>>MSR address in ECX will also cause a general protection exception". >>> >>> From a guest's perspective, MSR_RAPL_POWER_UNIT is unimplemented; kvm matches >>>this behavior. >> >>MSRs are model specific and defined per model number. If you report a model >>number you're expected to implement the MSRs defined for that model number. >> >>AFAIK Xen just reports 0 for unknown MSRs (a...