[PATCH v10 0/5] perf: arm_spe: Armv8.8 SPE features

[Namhyung Kim]

On Tue, Nov 11, 2025 at 11:37:54AM +0000, James Clark wrote:
> Support SPE_FEAT_FDS data source filtering.
> 
> ---
> Changes in v10:
> - Pick up Peter's ack
> - Slightly clarify commit message regarding the difference between the
>   data source filter and the data source
> - Link to v9: https://lore.kernel.org/r/20251029-james-perf-feat_spe_eft-v9-0-d22536b9cf94@linaro.org
> 
> Changes in v9:
> - Fix another typo in docs: s/data_src_filter/inv_data_src_filter/g
> - Drop already applied patches for other features. Only the data source
>   filtering patches remain.
> - Rebase on latest perf-tools-next
> - Link to v8: https://lore.kernel.org/r/20250901-james-perf-feat_spe_eft-v8-0-2e2738f24559@linaro.org
> 
> Changes in v8:
> - Define __spe_vers_imp before it's used
> - "disable traps to PMSDSFR" -> "disable traps of PMSDSFR to EL2"
> - Link to v7: https://lore.kernel.org/r/20250814-james-perf-feat_spe_eft-v7-0-6a743f7fa259@linaro.org
> 
> Changes in v7:
> - Fix typo in docs: s/data_src_filter/inv_data_src_filter/g
> - Pickup trailers
> - Link to v6: https://lore.kernel.org/r/20250808-james-perf-feat_spe_eft-v6-0-6daf498578c8@linaro.org
> 
> Changes in v6:
> - Rebase to resolve conflict with BRBE changes in el2_setup.h
> - Link to v5: https://lore.kernel.org/r/20250721-james-perf-feat_spe_eft-v5-0-a7bc533485a1@linaro.org
> 
> Changes in v5:
> - Forgot to pickup tags from v4
> - Forgot to drop test and review tags on v4 patches that were
>   significantly modified
> - Update commit message for data source filtering to mention inversion
> - Link to v4: https://lore.kernel.org/r/20250721-james-perf-feat_spe_eft-v4-0-0a527410f8fd@linaro.org
> 
> Changes in v4:
> - Rewrite "const u64 feat_spe_eft_bits" inline
> - Invert data source filter so that it's possible to exclude all data
>   sources without adding an additional 'enable filter' flag
> - Add a macro in el2_setup.h to check for an SPE version
> - Probe valid filter bits instead of hardcoding them
> - Take in Leo's commit to expose the filter bits as it depends on the
>   new filter probing
> - Link to v3: https://lore.kernel.org/r/20250605-james-perf-feat_spe_eft-v3-0-71b0c9f98093@linaro.org
> 
> Changes in v3:
> - Use PMSIDR_EL1_FDS instead of 1 << PMSIDR_EL1_FDS_SHIFT
> - Add VNCR offsets
> - Link to v2: https://lore.kernel.org/r/20250529-james-perf-feat_spe_eft-v2-0-a01a9baad06a@linaro.org
> 
> Changes in v2:
> - Fix detection of FEAT_SPE_FDS in el2_setup.h
> - Pickup Marc Z's sysreg change instead which matches the json
> - Restructure and expand docs changes
> - Link to v1: https://lore.kernel.org/r/20250506-james-perf-feat_spe_eft-v1-0-dd480e8e4851@linaro.org
> 
> ---
> James Clark (5):
>       perf: Add perf_event_attr::config4
>       perf: arm_spe: Add support for filtering on data source
>       tools headers UAPI: Sync linux/perf_event.h with the kernel sources
>       perf tools: Add support for perf_event_attr::config4
>       perf docs: arm-spe: Document new SPE filtering features

Applied the tools part to perf-tools-next, thanks!

Best regards,
Namhyung