Merge tag 'perf-tools-for-v7.4-1-2026-10-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next

Pull perf tool updates from Arnaldo Carvalho de Melo:

 - Support instruction tracking on arm64 for data type profiling,
   resolving stack, global, per-CPU and 'current' variable accesses, so
   that 'perf annotate --data-type' resolves types on arm64 the way it
   does on x86.

 - Port the Python scripts to the perf module and standalone execution,
   and improve the module: lazy sample callchains and event copies, GIL
   handling, better session/thread lookup, new treport, flamegraph and
   sqlite/postgres exporters.

 - Reenable and fix the attribute expectation test suite: per-PMU bit
   masks, other core PMUs' events, dummy tracking events, group checks
   and spelled out skip reasons.

 - perf trace: filter the target's tasks in BPF, open the BPF output
   event on every CPU, add an option to disable syscall augmentation and
   raise TRACE_AUG_MAX_BUF.

 - perf jitdump: harden record parsing, validating unwinding sizes and
   symbol names, byte-swapping debug entries via safe accessors and
   fixing frees on error paths.

 - perf annotate-data fixes: bound the member nesting recursion, resolve
   type DIEs in the debug file they came from, adjust the offset for
   flex-arrays and show the sample count in the data-type browser.

 - perf symbol and debug info: try linked debug files for DSOs, avoid
   repeated failing searches, set binary/symtab types for split
   kallsyms, JIT maps and the build-id cache, fix libbfd symbol loading.

 - perf config: serialize config file access with a mutex, add the
   DEFINE_MUTEX() and DO_ONCE() primitives and a robust process shared
   mutex, add the core.hybrid-merge option.

 - perf report: add --progress and --no-progress options.

 - perf mem: add a false sharing workload to 'perf test', request
   PERF_SAMPLE_CPU by default, use the IBS swfilt filter when available
   and decode L0 in the memory level.

 - perf test: take turns using the perf mlock budget in the mmaping
   tests, add the 'needs_mlock' suite flag, scope the probe based tests
   to their PID and make more tests non-exclusive.

 - perf vendor events intel: update events and metrics to TMA 5.2,
   refresh the event tables and fix umask encodings.

 - perf build: run shellcheck, mypy and pylint in parallel, make pylint
   opt-out with NO_PYLINT=1, fix clean and install dependencies.

 - Add a script and a 'make sync-headers' target to sync the tools/
   copies of kernel headers with the kernel sources, plus the resulting
   syncs of the cpufeatures, KVM, fs, mount, fcntl, socket, rtnetlink,
   if_addr and sound headers.

 - Fix cs-etm HW_ID mapping synthesis for raw trace, queue teardown
   leaks and duplicate v0 global mappings.

 - Add a 'perf bench atomic' benchmark for atomic operations.

 - Filter events before creating lock_stat in 'perf lock contention'.

 - Add a 'perf test' case for events re-armed with
   PERF_EVENT_IOC_REFRESH.

 - Fix memory leaks on 'perf c2c' output fields and add function view
   stdio coverage to its test.

 - Fix a NULL dereference resolving callchains in 'perf machine'.

 - Optimize the libdw fallback when DWARF is missing and try the symbol
   file first when checking for debuginfo.

 - Don't call eprintf() in pr_debugN() when not verbose.

 - Don't delete cumulative caller entries before the stat_acc decays in
   'perf report'.

 - Fix ring buffer cursor handling: keep the consumed cursor in forward
   mode and use the head selected by read_init.

 - Fix 'perf test mmap-basic' user rdpmc detection and only test
   userspace reading on supported platforms.

 - Build fixes: include sys/types.h for ssize_t, errno.h before kernel
   headers and fix jevents.py type annotations for mypy 2.x.

* tag 'perf-tools-for-v7.4-1-2026-10-30' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next: (425 commits)
  perf machine: Fix NULL deref in thread__resolve_callchain_sample()
  perf pmu-events: Fix jevents.py type annotations for mypy 2.x
  perf parse-events: Include errno.h before kernel headers
  perf print_insn: Include sys/types.h for ssize_t
  perf tests mmap-basic: Fix user rdpmc detection logic
  perf tests mmap-basic: Only test userspace reading on supported platforms
  perf mmap: Preserve the consumed cursor in forward mode
  perf mmap: Use the head selected by read_init
  perf hist: Do not delete cumulative caller entries before stat_acc decays
  perf debug: Avoid calling eprintf() in pr_debugN() when verbose < n
  perf libdw: Optimize fallback logic for missing DWARF
  tools headers: Sync KVM headers with the kernel sources
  tools headers: Sync UAPI sound/asound.h with the kernel sources
  tools headers: Sync UAPI linux/mount.h with the kernel sources
  tools headers: Sync UAPI linux/fs.h with the kernel sources
  tools headers: Sync UAPI linux/fcntl.h with the kernel sources
  tools headers: Sync linux/socket.h with the kernel sources
  tools arch x86: Sync the cpufeatures.h copy with the kernel sources
  tools headers UAPI: Sync linux/rtnetlink.h with the kernel sources
  tools headers UAPI: Sync linux/if_addr.h with the kernel sources
  ...

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