[PATCH v2 0/2] drivers/perf: hisi: Add support for PCIe PMU

From: Qi Liu
Date: Fri Apr 09 2021 - 05:08:45 EST


This patchset adds support for HiSilicon PCIe Performance Monitoring
Unit(PMU). It is a PCIe Root Complex integrated End Point(RCiEP) device
added on Hip09. Each PCIe Core has a PMU RCiEP to monitor multi root
ports and all Endpoints downstream these root ports.

HiSilicon PCIe PMU is supported to collect performance data of PCIe bus,
such as: bandwidth, latency etc.

Changes since v1:
- Drop the internal Reviewed-by tag.
- Fix some build warnings when W=1.

Qi Liu (2):
drivers/perf: hisi: Add driver for HiSilicon PCIe PMU
docs: perf: Add description for HiSilicon PCIe PMU driver

Documentation/admin-guide/perf/hisi-pcie-pmu.rst | 104 +++
MAINTAINERS | 6 +
drivers/perf/Kconfig | 2 +
drivers/perf/Makefile | 1 +
drivers/perf/pci/Kconfig | 16 +
drivers/perf/pci/Makefile | 2 +
drivers/perf/pci/hisilicon/Makefile | 5 +
drivers/perf/pci/hisilicon/hisi_pcie_pmu.c | 1011 ++++++++++++++++++++++
include/linux/cpuhotplug.h | 1 +
9 files changed, 1148 insertions(+)
create mode 100644 Documentation/admin-guide/perf/hisi-pcie-pmu.rst
create mode 100644 drivers/perf/pci/Kconfig
create mode 100644 drivers/perf/pci/Makefile
create mode 100644 drivers/perf/pci/hisilicon/Makefile
create mode 100644 drivers/perf/pci/hisilicon/hisi_pcie_pmu.c

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2.8.1