Re: [PATCH] powerpc/pseries: export timebase register sample in lparcfg

2019-02-17 Thread Michael Ellerman
Tyrel Datwyler writes: > Ping? Any objections to this patch? A fix is already upstream in powerpc-utils > to utilize the timebase value if available. I'm slightly wary of adding things to lparcfg as it's world-readable and hard to remove things once they're added (because tools rely on it). But

Re: [PATCH] powerpc/pseries: export timebase register sample in lparcfg

2019-02-17 Thread Tyrel Datwyler
Ping? Any objections to this patch? A fix is already upstream in powerpc-utils to utilize the timebase value if available. -Tyrel On 12/08/2018 03:48 PM, Tyrel Datwyler wrote: > The Processor Utilzation of Resource Registers (PURR) provide an estimate of > resources used by a cpu thread. Section

[PATCH] powerpc/pseries: export timebase register sample in lparcfg

2018-12-08 Thread Tyrel Datwyler
The Processor Utilzation of Resource Registers (PURR) provide an estimate of resources used by a cpu thread. Section 7.6 in Book III of the ISA outlines how to calculate the percentage of shared resources for threads using the ratio of the PURR delta and Timebase Register delta for a sampled period