From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yu-Chien Peter Lin Date: Tue, 10 Oct 2023 14:09:47 +0800 Subject: [PATCH 0/6] Add Andes PMU extension support In-Reply-To: References: <20230906111455.4161641-1-peterlin@andestech.com> Message-ID: List-Id: To: opensbi@lists.infradead.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Fri, Oct 06, 2023 at 01:20:27PM +0100, Lad, Prabhakar wrote: > Hi Lin-san, > > On Wed, Sep 6, 2023 at 12:17?PM Yu Chien Peter Lin > wrote: > > > > This patch series enables perf tool to utilize Andes PMU > > extension via PMU SBI calls, provides PMU device callbacks > > for event sampling and mode filtering. > > > > We also provide a PMU node example of AX45MP in the last > > patch. > > > > The OpenSBI and Linux patches can be found on Andes Technology GitHub > > - https://github.com/andestech/opensbi/commits/andes-pmu-support > > - https://github.com/andestech/linux/commits/andes-pmu-support > > > > Yu Chien Peter Lin (6): > > sbi: sbi_pmu: Add hw_counter_filter_mode() to pmu device > > platform: include: andes45: Add PMU related CSR defines > > platform: andes: Add Andes custom PMU support > > platform: andes: Enable Andes PMU for AE350 > > platform: rzfive: Enable Andes PMU for RZ/Five > > docs: pmu: Add Andes PMU node example > > > > docs/pmu_support.md | 87 ++++++++++++++++++++++ > > include/sbi/sbi_pmu.h | 6 ++ > > lib/sbi/sbi_pmu.c | 5 +- > > platform/generic/Kconfig | 2 + > > platform/generic/andes/Kconfig | 4 + > > platform/generic/andes/ae350.c | 2 + > > platform/generic/andes/andes_pmu.c | 85 +++++++++++++++++++++ > > platform/generic/andes/objects.mk | 1 + > > platform/generic/include/andes/andes45.h | 26 +++++++ > > platform/generic/include/andes/andes_pmu.h | 12 +++ > > platform/generic/renesas/rzfive/rzfive.c | 2 + > > 11 files changed, 231 insertions(+), 1 deletion(-) > > create mode 100644 platform/generic/andes/andes_pmu.c > > create mode 100644 platform/generic/include/andes/andes_pmu.h > > > I tried these patches on the RZ/Five SMARC EVK and I am seeing kernel > freeze when trying to quit perf. Thanks for reporting, this happens on my Tinker-V board as well. I will look into this issue. Thanks, Peter Lin > Cheers, > Prabhakar