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From: Julien Thierry <julien.thierry@arm.com>
To: Suzuki K Poulose <suzuki.poulose@arm.com>,
	linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, will.deacon@arm.com,
	mark.rutland@arm.com, robin.murphy@arm.com
Subject: Re: [PATCH v2 0/5] arm64: perf: Support for chained counters
Date: Tue, 5 Jun 2018 16:00:39 +0100	[thread overview]
Message-ID: <3cbe09d3-7878-d53d-0918-dfb38ac89353@arm.com> (raw)
In-Reply-To: <1527591356-10934-1-git-send-email-suzuki.poulose@arm.com>



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

      parent reply	other threads:[~2018-06-05 15:00 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-29 10:55 Suzuki K Poulose
2018-05-29 10:55 ` [PATCH v2 1/5] arm_pmu: Clean up maximum period handling Suzuki K Poulose
2018-05-29 10:55 ` [PATCH v2 2/5] arm_pmu: Change API to support 64bit counter values Suzuki K Poulose
2018-05-29 10:55 ` [PATCH v2 3/5] arm_pmu: Add support for 64bit event counters Suzuki K Poulose
2018-06-06 16:48   ` Mark Rutland
2018-06-07  7:34     ` Suzuki K Poulose
2018-05-29 10:55 ` [PATCH v2 4/5] arm_pmu: Tidy up clear_event_idx call backs Suzuki K Poulose
2018-05-29 10:55 ` [PATCH v2 5/5] arm64: perf: Add support for chaining event counters Suzuki K Poulose
2018-06-06 18:01   ` Mark Rutland
2018-06-08 14:46     ` Suzuki K Poulose
2018-06-08 15:24       ` Mark Rutland
2018-06-08 16:05         ` Suzuki K Poulose
2018-06-11 13:54       ` Suzuki K Poulose
2018-06-11 14:24         ` Mark Rutland
2018-06-11 16:18           ` Suzuki K Poulose
2018-06-05 15:00 ` Julien Thierry [this message]

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