mbox series

[v3,00/13] Support Andes PMU extension

Message ID 20231022151858.2479969-1-peterlin@andestech.com (mailing list archive)
Headers show
Series Support Andes PMU extension | expand

Message

Yu-Chien Peter Lin Oct. 22, 2023, 3:18 p.m. UTC
Hi All,

This patch series introduces the Andes PMU extension, which serves
the same purpose as Sscofpmf. In this version we use FDT-based
probing and the CONFIG_ANDES_CUSTOM_PMU to enable perf sampling
and filtering support.

Its non-standard local interrupt is assigned to bit 18 in the
custom S-mode local interrupt enable/pending registers (slie/slip),
while the interrupt cause is (256 + 18).

The feature needs the PMU device registered in OpenSBI.
The OpenSBI and Linux patches can be found on Andes Technology GitHub
- https://github.com/andestech/opensbi/commits/andes-pmu-support-v2
- https://github.com/andestech/linux/commits/andes-pmu-support-v3

The PMU device tree node used on AX45MP:
- https://github.com/andestech/opensbi/blob/andes-pmu-support-v2/docs/pmu_support.md#example-3

Tested hardware:
- ASUS  Tinker-V (RZ/Five, AX45MP single core)
- Andes AE350    (AX45MP quad core)

Locus Wei-Han Chen (1):
  riscv: andes: Support symbolic FW and HW raw events

Yu Chien Peter Lin (12):
  riscv: errata: Rename defines for Andes
  irqchip/riscv-intc: Allow large non-standard hwirq number
  irqchip/riscv-intc: Introduce Andes IRQ chip
  dt-bindings: riscv: Add Andes interrupt controller compatible string
  riscv: dts: renesas: r9a07g043f: Update compatible string to use Andes
    INTC
  perf: RISC-V: Eliminate redundant IRQ enable/disable operations
  RISC-V: Move T-Head PMU to CPU feature alternative framework
  perf: RISC-V: Introduce Andes PMU for perf event sampling
  dt-bindings: riscv: Add T-Head PMU extension description
  dt-bindings: riscv: Add Andes PMU extension description
  riscv: dts: allwinner: Add T-Head PMU extension
  riscv: dts: renesas: Add Andes PMU extension

 .../devicetree/bindings/riscv/cpus.yaml       |   7 +-
 .../devicetree/bindings/riscv/extensions.yaml |  13 ++
 arch/riscv/Kconfig.errata                     |  13 --
 arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi |   2 +-
 arch/riscv/boot/dts/renesas/r9a07g043f.dtsi   |   4 +-
 arch/riscv/errata/andes/errata.c              |  10 +-
 arch/riscv/errata/thead/errata.c              |  19 ---
 arch/riscv/include/asm/errata_list.h          |  19 +--
 arch/riscv/include/asm/hwcap.h                |   2 +
 arch/riscv/include/asm/vendorid_list.h        |   2 +-
 arch/riscv/kernel/alternative.c               |   2 +-
 arch/riscv/kernel/cpufeature.c                |   2 +
 drivers/irqchip/irq-riscv-intc.c              |  63 +++++++--
 drivers/perf/Kconfig                          |  27 ++++
 drivers/perf/riscv_pmu_sbi.c                  |  51 +++++--
 include/linux/irqchip/irq-riscv-intc.h        |  12 ++
 .../arch/riscv/andes/ax45/firmware.json       |  68 ++++++++++
 .../arch/riscv/andes/ax45/instructions.json   | 127 ++++++++++++++++++
 .../arch/riscv/andes/ax45/memory.json         |  57 ++++++++
 .../arch/riscv/andes/ax45/microarch.json      |  77 +++++++++++
 tools/perf/pmu-events/arch/riscv/mapfile.csv  |   1 +
 21 files changed, 499 insertions(+), 79 deletions(-)
 create mode 100644 include/linux/irqchip/irq-riscv-intc.h
 create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/firmware.json
 create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/instructions.json
 create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/memory.json
 create mode 100644 tools/perf/pmu-events/arch/riscv/andes/ax45/microarch.json

Comments

Conor Dooley Oct. 22, 2023, 6 p.m. UTC | #1
Hey,

On Sun, Oct 22, 2023 at 11:18:45PM +0800, Yu Chien Peter Lin wrote:
> Hi All,
> 
> This patch series introduces the Andes PMU extension, which serves
> the same purpose as Sscofpmf. In this version we use FDT-based
> probing and the CONFIG_ANDES_CUSTOM_PMU to enable perf sampling
> and filtering support.
> 
> Its non-standard local interrupt is assigned to bit 18 in the
> custom S-mode local interrupt enable/pending registers (slie/slip),
> while the interrupt cause is (256 + 18).
> 
> The feature needs the PMU device registered in OpenSBI.
> The OpenSBI and Linux patches can be found on Andes Technology GitHub
> - https://github.com/andestech/opensbi/commits/andes-pmu-support-v2
> - https://github.com/andestech/linux/commits/andes-pmu-support-v3
> 
> The PMU device tree node used on AX45MP:
> - https://github.com/andestech/opensbi/blob/andes-pmu-support-v2/docs/pmu_support.md#example-3
> 
> Tested hardware:
> - ASUS  Tinker-V (RZ/Five, AX45MP single core)
> - Andes AE350    (AX45MP quad core)
> 
> Locus Wei-Han Chen (1):
>   riscv: andes: Support symbolic FW and HW raw events
> 
> Yu Chien Peter Lin (12):
>   riscv: errata: Rename defines for Andes
>   irqchip/riscv-intc: Allow large non-standard hwirq number
>   irqchip/riscv-intc: Introduce Andes IRQ chip
>   dt-bindings: riscv: Add Andes interrupt controller compatible string
>   riscv: dts: renesas: r9a07g043f: Update compatible string to use Andes
>     INTC
>   perf: RISC-V: Eliminate redundant IRQ enable/disable operations
>   RISC-V: Move T-Head PMU to CPU feature alternative framework
>   perf: RISC-V: Introduce Andes PMU for perf event sampling
>   dt-bindings: riscv: Add T-Head PMU extension description
>   dt-bindings: riscv: Add Andes PMU extension description
>   riscv: dts: allwinner: Add T-Head PMU extension
>   riscv: dts: renesas: Add Andes PMU extension

You only sent 5 of these patches FYI.
Yu-Chien Peter Lin Oct. 23, 2023, 12:13 a.m. UTC | #2
On Sun, Oct 22, 2023 at 07:00:28PM +0100, Conor Dooley wrote:
> Hey,
> 
> On Sun, Oct 22, 2023 at 11:18:45PM +0800, Yu Chien Peter Lin wrote:
> > Hi All,
> > 
> > This patch series introduces the Andes PMU extension, which serves
> > the same purpose as Sscofpmf. In this version we use FDT-based
> > probing and the CONFIG_ANDES_CUSTOM_PMU to enable perf sampling
> > and filtering support.
> > 
> > Its non-standard local interrupt is assigned to bit 18 in the
> > custom S-mode local interrupt enable/pending registers (slie/slip),
> > while the interrupt cause is (256 + 18).
> > 
> > The feature needs the PMU device registered in OpenSBI.
> > The OpenSBI and Linux patches can be found on Andes Technology GitHub
> > - https://github.com/andestech/opensbi/commits/andes-pmu-support-v2
> > - https://github.com/andestech/linux/commits/andes-pmu-support-v3
> > 
> > The PMU device tree node used on AX45MP:
> > - https://github.com/andestech/opensbi/blob/andes-pmu-support-v2/docs/pmu_support.md#example-3
> > 
> > Tested hardware:
> > - ASUS  Tinker-V (RZ/Five, AX45MP single core)
> > - Andes AE350    (AX45MP quad core)
> > 
> > Locus Wei-Han Chen (1):
> >   riscv: andes: Support symbolic FW and HW raw events
> > 
> > Yu Chien Peter Lin (12):
> >   riscv: errata: Rename defines for Andes
> >   irqchip/riscv-intc: Allow large non-standard hwirq number
> >   irqchip/riscv-intc: Introduce Andes IRQ chip
> >   dt-bindings: riscv: Add Andes interrupt controller compatible string
> >   riscv: dts: renesas: r9a07g043f: Update compatible string to use Andes
> >     INTC
> >   perf: RISC-V: Eliminate redundant IRQ enable/disable operations
> >   RISC-V: Move T-Head PMU to CPU feature alternative framework
> >   perf: RISC-V: Introduce Andes PMU for perf event sampling
> >   dt-bindings: riscv: Add T-Head PMU extension description
> >   dt-bindings: riscv: Add Andes PMU extension description
> >   riscv: dts: allwinner: Add T-Head PMU extension
> >   riscv: dts: renesas: Add Andes PMU extension
> 
> You only sent 5 of these patches FYI.

Hi Conor,

Yeah... I know. The following emails were intercepted automatically
due to our data traffic policy. I will resend the whole series soon.

Best regards,
Peter Lin