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- Add AMD Unified Memory Controller (UMC) events introduced with Zen 4
- Simplify & clean up the uncore management code
- Fall back from RDPMC to RDMSR on certain uncore PMUs
- Improve per-package and cstate event reading
- Extend the Intel ref-cycles event to GP counters
- Fix Intel MTL event constraints
- Improve the Intel hybrid CPU handling code
- Micro-optimize the RAPL code
- Optimize perf_cgroup_switch()
- Improve large AUX area error handling
- Misc fixes and cleanups
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull performance event updates from Ingo Molnar:
- Add AMD Unified Memory Controller (UMC) events introduced with Zen 4
- Simplify & clean up the uncore management code
- Fall back from RDPMC to RDMSR on certain uncore PMUs
- Improve per-package and cstate event reading
- Extend the Intel ref-cycles event to GP counters
- Fix Intel MTL event constraints
- Improve the Intel hybrid CPU handling code
- Micro-optimize the RAPL code
- Optimize perf_cgroup_switch()
- Improve large AUX area error handling
- Misc fixes and cleanups
* tag 'perf-core-2023-10-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (26 commits)
perf/x86/amd/uncore: Pass through error code for initialization failures, instead of -ENODEV
perf/x86/amd/uncore: Fix uninitialized return value in amd_uncore_init()
x86/cpu: Fix the AMD Fam 17h, Fam 19h, Zen2 and Zen4 MSR enumerations
perf: Optimize perf_cgroup_switch()
perf/x86/amd/uncore: Add memory controller support
perf/x86/amd/uncore: Add group exclusivity
perf/x86/amd/uncore: Use rdmsr if rdpmc is unavailable
perf/x86/amd/uncore: Move discovery and registration
perf/x86/amd/uncore: Refactor uncore management
perf/core: Allow reading package events from perf_event_read_local
perf/x86/cstate: Allow reading the package statistics from local CPU
perf/x86/intel/pt: Fix kernel-doc comments
perf/x86/rapl: Annotate 'struct rapl_pmus' with __counted_by
perf/core: Rename perf_proc_update_handler() -> perf_event_max_sample_rate_handler(), for readability
perf/x86/rapl: Fix "Using plain integer as NULL pointer" Sparse warning
perf/x86/rapl: Use local64_try_cmpxchg in rapl_event_update()
perf/x86/rapl: Stop doing cpu_relax() in the local64_cmpxchg() loop in rapl_event_update()
perf/core: Bail out early if the request AUX area is out of bound
perf/x86/intel: Extend the ref-cycles event to GP counters
perf/x86/intel: Fix broken fixed event constraints extension
...
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