linux/tools
Linus Torvalds ddddf9d64f Performance events updates for v6.16:
Core & generic-arch updates:
 
  - Add support for dynamic constraints and propagate it to
    the Intel driver (Kan Liang)
 
  - Fix & enhance driver-specific throttling support (Kan Liang)
 
  - Record sample last_period before updating on the
    x86 and PowerPC platforms (Mark Barnett)
 
  - Make perf_pmu_unregister() usable (Peter Zijlstra)
 
  - Unify perf_event_free_task() / perf_event_exit_task_context()
    (Peter Zijlstra)
 
  - Simplify perf_event_release_kernel() and perf_event_free_task()
    (Peter Zijlstra)
 
  - Allocate non-contiguous AUX pages by default (Yabin Cui)
 
 Uprobes updates:
 
  - Add support to emulate NOP instructions (Jiri Olsa)
 
  - selftests/bpf: Add 5-byte NOP uprobe trigger benchmark (Jiri Olsa)
 
 x86 Intel PMU enhancements:
 
  - Support Intel Auto Counter Reload [ACR] (Kan Liang)
 
  - Add PMU support for Clearwater Forest (Dapeng Mi)
 
  - Arch-PEBS preparatory changes: (Dapeng Mi)
 
    - Parse CPUID archPerfmonExt leaves for non-hybrid CPUs
    - Decouple BTS initialization from PEBS initialization
    - Introduce pairs of PEBS static calls
 
 x86 AMD PMU enhancements:
 
  - Use hrtimer for handling overflows in the AMD uncore driver
    (Sandipan Das)
 
  - Prevent UMC counters from saturating (Sandipan Das)
 
 Fixes and cleanups:
 
  - Fix put_ctx() ordering (Frederic Weisbecker)
 
  - Fix irq work dereferencing garbage (Frederic Weisbecker)
 
  - Misc fixes and cleanups (Changbin Du, Frederic Weisbecker,
    Ian Rogers, Ingo Molnar, Kan Liang, Peter Zijlstra, Qing Wang,
    Sandipan Das, Thorsten Blum)
 
 Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-core-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf events updates from Ingo Molnar:
 "Core & generic-arch updates:

   - Add support for dynamic constraints and propagate it to the Intel
     driver (Kan Liang)

   - Fix & enhance driver-specific throttling support (Kan Liang)

   - Record sample last_period before updating on the x86 and PowerPC
     platforms (Mark Barnett)

   - Make perf_pmu_unregister() usable (Peter Zijlstra)

   - Unify perf_event_free_task() / perf_event_exit_task_context()
     (Peter Zijlstra)

   - Simplify perf_event_release_kernel() and perf_event_free_task()
     (Peter Zijlstra)

   - Allocate non-contiguous AUX pages by default (Yabin Cui)

  Uprobes updates:

   - Add support to emulate NOP instructions (Jiri Olsa)

   - selftests/bpf: Add 5-byte NOP uprobe trigger benchmark (Jiri Olsa)

  x86 Intel PMU enhancements:

   - Support Intel Auto Counter Reload [ACR] (Kan Liang)

   - Add PMU support for Clearwater Forest (Dapeng Mi)

   - Arch-PEBS preparatory changes: (Dapeng Mi)
       - Parse CPUID archPerfmonExt leaves for non-hybrid CPUs
       - Decouple BTS initialization from PEBS initialization
       - Introduce pairs of PEBS static calls

  x86 AMD PMU enhancements:

   - Use hrtimer for handling overflows in the AMD uncore driver
     (Sandipan Das)

   - Prevent UMC counters from saturating (Sandipan Das)

  Fixes and cleanups:

   - Fix put_ctx() ordering (Frederic Weisbecker)

   - Fix irq work dereferencing garbage (Frederic Weisbecker)

   - Misc fixes and cleanups (Changbin Du, Frederic Weisbecker, Ian
     Rogers, Ingo Molnar, Kan Liang, Peter Zijlstra, Qing Wang, Sandipan
     Das, Thorsten Blum)"

* tag 'perf-core-2025-05-25' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (60 commits)
  perf/headers: Clean up <linux/perf_event.h> a bit
  perf/uapi: Clean up <uapi/linux/perf_event.h> a bit
  perf/uapi: Fix PERF_RECORD_SAMPLE comments in <uapi/linux/perf_event.h>
  mips/perf: Remove driver-specific throttle support
  xtensa/perf: Remove driver-specific throttle support
  sparc/perf: Remove driver-specific throttle support
  loongarch/perf: Remove driver-specific throttle support
  csky/perf: Remove driver-specific throttle support
  arc/perf: Remove driver-specific throttle support
  alpha/perf: Remove driver-specific throttle support
  perf/apple_m1: Remove driver-specific throttle support
  perf/arm: Remove driver-specific throttle support
  s390/perf: Remove driver-specific throttle support
  powerpc/perf: Remove driver-specific throttle support
  perf/x86/zhaoxin: Remove driver-specific throttle support
  perf/x86/amd: Remove driver-specific throttle support
  perf/x86/intel: Remove driver-specific throttle support
  perf: Only dump the throttle log for the leader
  perf: Fix the throttle logic for a group
  perf/core: Add the is_event_in_freq_mode() helper to simplify the code
  ...
2025-05-26 15:40:23 -07:00
..
accounting getdelays: fix error format characters 2025-02-17 22:40:02 -08:00
arch x86/insn: Fix CTEST instruction decoding 2025-04-24 20:19:17 +02:00
bootconfig tools/bootconfig: Fix the wrong format specifier 2025-01-28 23:27:01 +09:00
bpf bpf-next-6.15 2025-03-30 12:43:03 -07:00
build perf tools changes for v6.15 2025-03-31 08:52:33 -07:00
certs
cgroup
counter tools/counter: add direction change event to watcher 2025-02-05 13:22:04 +09:00
crypto
debugging taint: Add TAINT_FWCTL 2025-03-06 15:13:13 -04:00
firewire
firmware
gpio
hv tools/hv: update route parsing in kvp daemon 2025-04-25 06:07:09 +00:00
iio iio: introduce the FAULT event type 2025-02-08 15:16:29 +00:00
include Performance events updates for v6.16: 2025-05-26 15:40:23 -07:00
kvm/kvm_stat
laptop
leds
lib perf tools: Fix in-source libperf build 2025-04-29 12:32:31 -07:00
memory-model tools/memory-model: glossary.txt: Fix indents 2025-02-25 10:22:34 -08:00
mm tools/mm: fix build warnings with musl-libc 2025-02-17 22:40:02 -08:00
net tools: ynl-gen: Allow multi-attr without nested-attributes again 2025-05-13 15:01:50 -07:00
objtool objtool changes for v6.15: 2025-05-26 15:13:53 -07:00
pcmcia
perf Merge branch 'locking/futex' into locking/core, to pick up pending futex changes 2025-05-25 10:10:08 +02:00
power Turbostat 2025.05.06 2025-04-06 12:32:43 -07:00
rcu
sched_ext sched_ext: Mark SCX_OPS_HAS_CGROUP_WEIGHT for deprecation 2025-04-08 08:53:52 -10:00
scripts tools headers: Update the syscall table with the kernel sources 2025-04-10 09:28:24 -07:00
sound ASoC: dapm-graph: set fill colour of turned on nodes 2025-02-24 18:35:54 +00:00
spi
testing Performance events updates for v6.16: 2025-05-26 15:40:23 -07:00
thermal tools: Remove redundant quiet setup 2025-02-18 16:27:43 -03:00
time
tracing tracing tooling updates for 6.15: 2025-03-27 17:03:01 -07:00
usb
verification tracing tooling updates for 6.15: 2025-03-27 17:03:01 -07:00
virtio tools: virtio/linux/module.h add MODULE_DESCRIPTION() define. 2025-02-25 07:10:45 -05:00
wmi
workqueue
writeback
Makefile tools/Makefile: Remove pci target 2025-03-08 14:35:32 +00:00