linux-kernel - [PATCH v2 0/4] cn10k DDR Performance monitor support

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Date:   Tue, 10 Aug 2021 15:13:03 +0530
From:   Bharat Bhushan <bbhushan2@...vell.com>
To:     <will@...nel.org>, <mark.rutland@....com>, <robh+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Bharat Bhushan <bbhushan2@...vell.com>
Subject: [PATCH v2 0/4] cn10k DDR Performance monitor support

This patch series adds DDR performance monitor support
on Marvell cn10k series of processor.

First patch adds device tree binding changes.
Second patch add basic support (without overflow and event
ownership). Third and fourth patch adds overflow and event
ownership respectively.

Seems like 4th patch can be merged in second patch,
For easy review it is currently separate
 
v1->v2:
 - DT binding changed to new DT Schema
 - writeq/readq changed to respective relaxed
 - Using PMU_EVENT_ATTR_ID

Bharat Bhushan (4):
  dt-bindings: perf: marvell: cn10k ddr performance monitor
  perf/marvell: CN10k DDR performance monitor support
  perf/marvell: cn10k DDR perfmon event overflow handling
  perf/marvell: cn10k DDR perf event core ownership

 .../bindings/perf/marvell-cn10k-ddr.yaml      |  37 +
 drivers/perf/Kconfig                          |   7 +
 drivers/perf/Makefile                         |   1 +
 drivers/perf/marvell_cn10k_ddr_pmu.c          | 763 ++++++++++++++++++
 include/linux/cpuhotplug.h                    |   1 +
 5 files changed, 809 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/perf/marvell-cn10k-ddr.yaml
 create mode 100644 drivers/perf/marvell_cn10k_ddr_pmu.c

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2.17.1