lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 30 Apr 2020 12:34:52 +1000 From: Michael Ellerman <mpe@...erman.id.au> To: Gautham R Shenoy <ego@...ux.vnet.ibm.com>, Tyrel Datwyler <tyreld@...ux.ibm.com> Cc: "Gautham R. Shenoy" <ego@...ux.vnet.ibm.com>, Nathan Lynch <nathanl@...ux.ibm.com>, Vaidyanathan Srinivasan <svaidy@...ux.vnet.ibm.com>, Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>, "Naveen N. Rao" <naveen.n.rao@...ux.vnet.ibm.com>, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH v5 0/5] Track and expose idle PURR and SPURR ticks Gautham R Shenoy <ego@...ux.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" <ego@...ux.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 <tyreld@...ux.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? cheers
Powered by blists - more mailing lists