Messages in this thread | | | From | Nathan Lynch <> | Subject | Re: [PATCH v5 0/5] Track and expose idle PURR and SPURR ticks | Date | Tue, 21 Apr 2020 08:30:11 -0500 |
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"Gautham R. Shenoy" <ego@linux.vnet.ibm.com> writes: > 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. > > The previous versions can be found here: > v4: https://lkml.org/lkml/2020/3/27/323 > v3: https://lkml.org/lkml/2020/3/11/331 > v2: https://lkml.org/lkml/2020/2/21/21 > v1: https://lore.kernel.org/patchwork/cover/1159341/ > > They changes from v4 are: > > - As suggested by Naveen, moved the functions read_this_idle_purr() > and read_this_idle_spurr() from Patch 2 and Patch 3 respectively > to Patch 4 where it is invoked. > > - Dropped Patch 6 which cached the values of purr, spurr, > idle_purr, idle_spurr in order to minimize the number of IPIs > sent. > > - Updated the dates for the idle_purr, idle_spurr in the > Documentation Patch 5.
LGTM
Acked-by: Nathan Lynch <nathanl@linux.ibm.com>
Thanks.
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