Nicholas Piggin <npig...@gmail.com> writes:
> The hypervisor exposes accumulated partition scheduling interval times
> in the VPA (lppaca). These can be used to implement a simple stolen time
> in the guest without complex and costly dtl scanning.
>
> Signed-off-by: Nicholas Piggin <npig...@gmail.com>
> ---
> arch/powerpc/include/asm/lppaca.h | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/arch/powerpc/include/asm/lppaca.h
> b/arch/powerpc/include/asm/lppaca.h
> index c390ec377bae..34d44cb17c87 100644
> --- a/arch/powerpc/include/asm/lppaca.h
> +++ b/arch/powerpc/include/asm/lppaca.h
> @@ -104,14 +104,18 @@ struct lppaca {
> volatile __be32 dispersion_count; /* dispatch changed physical cpu */
> volatile __be64 cmo_faults; /* CMO page fault count */
> volatile __be64 cmo_fault_time; /* CMO page fault time */
> - u8 reserved10[104];
> + u8 reserved10[64]; /* [S]PURR expropriated/donated */
> + volatile __be64 enqueue_dispatch_tb; /* Total TB enqueue->dispatch */
> + volatile __be64 ready_enqueue_tb; /* Total TB ready->enqueue */
> + volatile __be64 wait_ready_tb; /* Total TB wait->ready */
This last one is unused but I assume you are adding anyway it because it
could be later added to lparcfg. So:
Reviewed-by: Fabiano Rosas <faro...@linux.ibm.com>
