| From: |
| Yicong Yang <yang.yicong-AT-picoheart.com> |
| To: |
| <xueshuai-AT-linux.alibaba.com>, <renyu.zj-AT-linux.alibaba.com>, <will-AT-kernel.org>, <mark.rutland-AT-arm.com>, <linux-kernel-AT-vger.kernel.org> |
| Subject: |
| [PATCH v1 0/3] New vendor support and optimizations for DWC PCIe PMU |
| Date: |
| Mon, 15 Jun 2026 14:34:56 +0800 |
| Message-ID: |
| <20260615063459.25361-1-yang.yicong@picoheart.com> |
| Cc: |
| <jic23-AT-kernel.org>, <bhelgaas-AT-google.com>, <jingoohan1-AT-gmail.com>, <mani-AT-kernel.org>, <juwenlong-AT-picoheart.com>, <geshijian-AT-picoheart.com>, <yang.yicong-AT-picoheart.com>, <douyufan-AT-picoheart.com> |
| Archive-link: |
| Article |
This patchset mainly enable the DWC PCIe PMU on our platform (Patch 1/3).
Besides do some optimization and refactor:
- Patch 2/3 extend the monitoring limit on platforms with narrowed counter width (< 64 bit)
- Patch 3/3 switch the driver to use the faux device interface
Yicong Yang (2):
perf/dwc_pcie: Add support for Picoheart vendor devices
perf/dwc_pcie: Convert to faux device interface
Yufan Dou (1):
perf/dwc_pcie: Support narrowed time-based counter for long time
monitoring
drivers/perf/dwc_pcie_pmu.c | 160 +++++++++++++++++++++++-------------
include/linux/pci_ids.h | 2 +
include/linux/pcie-dwc.h | 2 +
3 files changed, 109 insertions(+), 55 deletions(-)
--
2.50.1 (Apple Git-155)
