Add new perf monitor features for amd epyc platforms · Pull Request !119 · openEuler/kernel

Add new perf features, backporting these patches from mainline:
1.Performance Monitor Global Controls
2.IBS（Instrument Based Sample）extensions
3.BRS(Branch Sample)

Patches been relied:
69372cf01290b9587d2cee8fbe161d75d55c3adc   5.11   x86/cpu: Add VM page flush MSR availablility as a CPUID feature
fb35d30fe5b06cc24444f0405da8fbe0be5330d1   5.12   x86/cpufeatures: Assign dedicated feature word for CPUID_0x8000001F[EAX]

Perf BRS:
bfe4daf850f45d92dcd3da477f0b0456620294c3   5.19   perf/core: Add perf_clear_branch_entry_bitfields() helper
a77d41ac3a0f41c80120ec5b8b08ab284fec950a   5.19   x86/cpufeatures: Add AMD Fam19h Branch Sampling feature
ada543459cab7f653dcacdaba4011a8bb19c627c   5.19   perf/x86/amd: Add AMD Fam19h Branch Sampling support
44175993efbae04e8b2d7f7795ff512c3a726db0   5.19   perf/x86/amd: Add branch-brs helper event for Fam19h BRS
8910075d61a37e5b0d82e6c83ed9a0a31fe9ea08   5.19   perf/x86/amd: Enable branch sampling priv level filtering
ba2fe7500845a30fc845a72081999cf632051862   5.19   perf/x86/amd: Add AMD branch sampling period adjustment
cc37e520a236069c0de0e7ea455082fa11c73b12   5.19   perf/x86/amd: Make Zen3 branch sampling opt-in
2a606a18cd672a16343d146a126721b34cc6adbd   5.19   ACPI: Add perf low power callback
d5616bac7adadbf42a3b63b8717e75eb82a2cc2c   5.19   perf/x86/amd: Add idle hooks for branch sampling

PerfmonV2 controls:
d6d0c7f681fda1d07e005c8f653e578b77a0eb40
089be16d5992dd0bc6df15ef12042fd1023ded9a
21d59e3e2c403c83ba196a5857d517054124168e
56e026a7ca3f92b8e44359e1f705febd1833f701   5.19-rc1    PerfmonV2 Controls for Core PMU series
9622e67e3980c01872490de0925e5c6c23247c94
7685665c390dc68c2d9a74e8445f41494cc8f6cf
bae19fdd7e9e759580ac4693d2df3bc23ab415d7

Perf IBS:
6a371bafe613b7746c3d3ac486bdb3035f77e029   5.15       perf/x86/amd/ibs: Add bitfield definitions in new <asm/amd-ibs.h> header
3d47083b9ff46863e8374ad3bb5edb5e464c75f8   5.19       perf/amd/ibs: Use interrupt regs ip for stack unwinding
39b2ca75eec8a33e2ffdb8aa0c4840ec3e3b472c   5.19       perf/amd/ibs: Cascade pmu init functions' return value
2a7a7e658682bfd7501dc6b4c9d365aa6c79788a   5.19       perf/amd/ibs: Use ->is_visible callback for dynamic attributes
ba5d35b442c65f32d38ef61f732218274c6dcf4c   5.19-rc1   perf/amd/ibs: Add support for L3 miss filtering
838de1d843fc9b6161e0e1c6308a8c027d08606d   5.19-rc1   perf/amd/ibs: Advertise zen4_ibs_extensions as pmu capability attribute

GVPopenEuler/kernel

搜索帮助

GVP openEuler/kernel