NAK: [Utopic][SRU][PATCH 0/3] Fix for LP: #1470404

Chris J Arges chris.j.arges at canonical.com
Thu Jul 2 15:32:45 UTC 2015


Forgot to add a patch.

On 07/02/2015 10:29 AM, Chris J Arges wrote:
> BugLink: http://bugs.launchpad.net/bugs/1470404
> 
> SRU Justification:
> [Impact]
> Certain workloads can exhibit a large variance in behavior due to how how cpus
> are idled on power8 systems.
> 
> [Fix]
> 
> 74aa51b5ccd3975392e30d11820dc073c5f2cd32
> 92c83ff5b42b109c94fdeee53cb31f674f776d75
> 70734a786acfd1998e47d40df19cba5c29469bdf
> 78eaa10f027cf69f9bd409e64eaff902172b2327
> 
> [Test Case]
> Set the system with the SMT8 mode and scaling_governor=performance or ondemand.
> Run the workload 100 times.
> 
> --
> 
> Preeti U Murthy (2):
>   cpuidle: powernv: Read target_residency value of idle states from DT
>     if available
>   cpuidle: powernv: Avoid endianness conversions while parsing DT
> 
> Preeti U. Murthy (1):
>   cpuidle: powernv: Populate cpuidle state details by querying the
>     device-tree
> 
>  drivers/cpuidle/cpuidle-powernv.c | 71 ++++++++++++++++++++++++++++-----------
>  1 file changed, 51 insertions(+), 20 deletions(-)
> 




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