Hello Michael, On Thu, Apr 30, 2020 at 12:34:52PM +1000, Michael Ellerman wrote: > Gautham R Shenoy <e...@linux.vnet.ibm.com> writes: > > On Mon, Apr 20, 2020 at 03:46:35PM -0700, Tyrel Datwyler wrote: > >> On 4/7/20 1:47 AM, Gautham R. Shenoy wrote: > >> > From: "Gautham R. Shenoy" <e...@linux.vnet.ibm.com> > >> > > >> > Hi, > >> > > >> > This is the fifth version of the patches to track and expose idle PURR > >> > and SPURR ticks. These patches are required by tools such as lparstat > >> > to compute system utilization for capacity planning purposes. > ... > >> > > >> > Gautham R. Shenoy (5): > >> > powerpc: Move idle_loop_prolog()/epilog() functions to header file > >> > powerpc/idle: Store PURR snapshot in a per-cpu global variable > >> > powerpc/pseries: Account for SPURR ticks on idle CPUs > >> > powerpc/sysfs: Show idle_purr and idle_spurr for every CPU > >> > Documentation: Document sysfs interfaces purr, spurr, idle_purr, > >> > idle_spurr > >> > > >> > Documentation/ABI/testing/sysfs-devices-system-cpu | 39 +++++++++ > >> > arch/powerpc/include/asm/idle.h | 93 > >> > ++++++++++++++++++++++ > >> > arch/powerpc/kernel/sysfs.c | 82 > >> > ++++++++++++++++++- > >> > arch/powerpc/platforms/pseries/setup.c | 8 +- > >> > drivers/cpuidle/cpuidle-pseries.c | 39 ++------- > >> > 5 files changed, 224 insertions(+), 37 deletions(-) > >> > create mode 100644 arch/powerpc/include/asm/idle.h > >> > > >> > >> Reviewed-by: Tyrel Datwyler <tyr...@linux.ibm.com> > > > > Thanks for reviewing the patches. > > > >> > >> Any chance this is going to be merged in the near future? There is a > >> patchset to > >> update lparstat in the powerpc-utils package to calculate PURR/SPURR cpu > >> utilization that I would like to merge, but have been holding off to make > >> sure > >> we are synced with this proposed patchset. > > > > Michael, could you please consider this for 5.8 ? > > Yes. Has it been tested on KVM at all?
No. I haven't tested this on KVM. Will do that today. > > cheers -- Thanks and Regards gautham.
