Messages in this thread | | | Subject | Re: [PATCH v2 0/5] arm64: perf: Support for chained counters | From | Julien Thierry <> | Date | Tue, 5 Jun 2018 16:00:39 +0100 |
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On 29/05/18 11:55, Suzuki K Poulose wrote: > This series adds support for counting PMU events using 64bit counters > for arm64 PMU. > > The Arm v8 PMUv3 supports combining two adjacent 32bit counters > (low even and hig odd counters) to count a given "event" in 64bit mode. > This series adds the support for 64bit events in the core arm_pmu driver > infrastructure and adds the support for armv8 64bit kernel PMU to use > chained counters to count in 64bit mode. For CPU cycles, we use the cycle > counter in 64bit mode, when requested. If the cycle counter is not available, > we fall back to chaining the counters. > > Tested on Juno, Fast models. Applies on 4.17-rc4 >
For the series:
Reviewed-by: Julien Thierry <julien.thierry@arm.com>
-- Julien Thierry
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