On 05/06/2025 11:48 am, James Clark wrote:
Support 3 new SPE features: FEAT_SPEv1p4 filters, FEAT_SPE_EFT extended filtering, and SPE_FEAT_FDS data source filtering. The features are independent can be applied separately: * Prerequisite sysreg changes - patches 1 - 2 * FEAT_SPEv1p4 - patch 3 * FEAT_SPE_EFT - patch 4 * FEAT_SPE_FDS - patches 5 - 8 * FEAT_SPE_FDS Perf tool changes - patches 9 - 11 The first two features will work with old Perfs but a Perf change to parse the new config4 is required for the last feature. To: --- 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@xxxxxxxxxx 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@xxxxxxxxxx --- James Clark (10): arm64: sysreg: Add new PMSFCR_EL1 fields and PMSDSFR_EL1 register perf: arm_spe: Support FEAT_SPEv1p4 filters perf: arm_spe: Add support for FEAT_SPE_EFT extended filtering arm64/boot: Enable EL2 requirements for SPE_FEAT_FDS KVM: arm64: Add trap configs for PMSDSFR_EL1 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 Documentation/arch/arm64/booting.rst | 11 ++++ arch/arm64/include/asm/el2_setup.h | 14 +++++ arch/arm64/include/asm/sysreg.h | 7 +++ arch/arm64/include/asm/vncr_mapping.h | 2 + arch/arm64/kvm/emulate-nested.c | 1 + arch/arm64/kvm/sys_regs.c | 1 + arch/arm64/tools/sysreg | 13 +++- drivers/perf/arm_spe_pmu.c | 100 +++++++++++++++++++++++++++++- include/uapi/linux/perf_event.h | 2 + tools/include/uapi/linux/perf_event.h | 2 + tools/perf/Documentation/perf-arm-spe.txt | 97 ++++++++++++++++++++++++++--- tools/perf/tests/parse-events.c | 14 ++++- tools/perf/util/parse-events.c | 11 ++++ tools/perf/util/parse-events.h | 1 + tools/perf/util/parse-events.l | 1 + tools/perf/util/pmu.c | 8 +++ tools/perf/util/pmu.h | 1 + 17 files changed, 273 insertions(+), 13 deletions(-) --- base-commit: ec7714e4947909190ffb3041a03311a975350fe0 change-id: 20250312-james-perf-feat_spe_eft-66cdf4d8fe99 Best regards,
Gentle ping, thanks
