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bceb7accb7
- 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> -----BEGIN PGP SIGNATURE----- iQJFBAABCgAvFiEEBpT5eoXrXCwVQwEKEnMQ0APhK1gFAmU89YsRHG1pbmdvQGtl cm5lbC5vcmcACgkQEnMQ0APhK1iQqQ/9EF9mG4te5By4qN+B7jADCmE71xG5ViKz sp4Thl86SHxhwFuiHn8dMUixrp+qbcemi5yTbQ9TF8cKl4s3Ju2CihU8jaauUp0a iS5W0IliMqLD1pxQoXAPLuPVInVYgrNOCbR4l6l7D6ervh5Z6PVEf7SVeAP3L5wo QV/V3NKkrYeNQL+FoKhCH8Vhxw0HxUmKJO7UhW6yuCt7BAok9Es18h3OVnn+7es4 BB7VI/JvdmXf2ioKhTPnDXJjC+vh5vnwiBoTcdQ2W9ADhWUvfL4ozxOXT6z7oC3A nwBOdXf8w8Rqnqqd8hduop1QUrusMxlEVgOMCk27qHx97uWgPceZWdoxDXGHBiRK fqJAwXERf9wp5/M57NDlPwyf/43Hocdx2CdLkQBpfD78/k/sB5hW0KxnzY0FUI9x jBRQyWD05IDJATBaMHz+VbrexS+Itvjp2QvSiSm9zislYD4zA9fQ3lAgFhEpcUbA ZA/nN4t+CbiGEAsJEuBPlvSC1ahUwVP/0nz3PFlVWFDqAx0mXgVNKBe083A9yh7I dVisVY6KPAVDzyOc1LqzU8WFXNFnIkIIaLrb6fRHJVEM8MDfpLPS/a+7AHdRcDP4 yq6fjVVjyP7e9lSQLYBUP3/3uiVnWQj92l6V6CrcgDMX5rDOb0VN+BQrmhPR6fWY WEim6WZrZj4= =OLsv -----END PGP SIGNATURE----- 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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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.