Merge branch 'next' into for-linus

Prepare input updates for 6.12 merge window.

Merge tag 'v6.10' into next

Sync up with mainline to bring in device_for_each_child_node_scoped()
and other newer APIs.

Merge tag 'perf-tools-for-v6.12-1-2024-09-19' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:

- Use BPF + BTF to collect and

Merge tag 'perf-tools-for-v6.12-1-2024-09-19' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:

- Use BPF + BTF to collect and pretty print syscall and tracepoint
arguments in 'perf trace', done as an GSoC activity

- Data-type profiling improvements:

- Cache debuginfo to speed up data type resolution

- Add the 'typecln' sort order, to show which cacheline in a target
is hot or cold. The following shows members in the cfs_rq's first
cache line:

$ perf report -s type,typecln,typeoff -H
...
- 2.67% struct cfs_rq
+ 1.23% struct cfs_rq: cache-line 2
+ 0.57% struct cfs_rq: cache-line 4
+ 0.46% struct cfs_rq: cache-line 6
- 0.41% struct cfs_rq: cache-line 0
0.39% struct cfs_rq +0x14 (h_nr_running)
0.02% struct cfs_rq +0x38 (tasks_timeline.rb_leftmost)

- When a typedef resolves to a unnamed struct, use the typedef name

- When a struct has just one basic type field (int, etc), resolve
the type sort order to the name of the struct, not the type of
the field

- Support type folding/unfolding in the data-type annotation TUI

- Fix bitfields offsets and sizes

- Initial support for PowerPC, using libcapstone and the usual
objdump disassembly parsing routines

- Add support for disassembling and addr2line using the LLVM libraries,
speeding up those operations

- Support --addr2line option in 'perf script' as with other tools

- Intel branch counters (LBR event logging) support, only available in
recent Intel processors, for instance, the new "brcntr" field can be
asked from 'perf script' to print the information collected from this
feature:

$ perf script -F +brstackinsn,+brcntr

# Branch counter abbr list:
# branch-instructions:ppp = A
# branch-misses = B
# '-' No event occurs
# '+' Event occurrences may be lost due to branch counter saturated
tchain_edit 332203 3366329.405674: 53030 branch-instructions:ppp: 401781 f3+0x2c (home/sdp/test/tchain_edit)
f3+31:
0000000000401774 insn: eb 04 br_cntr: AA # PRED 5 cycles [5]
000000000040177a insn: 81 7d fc 0f 27 00 00
0000000000401781 insn: 7e e3 br_cntr: A # PRED 1 cycles [6] 2.00 IPC
0000000000401766 insn: 8b 45 fc
0000000000401769 insn: 83 e0 01
000000000040176c insn: 85 c0
000000000040176e insn: 74 06 br_cntr: A # PRED 1 cycles [7] 4.00 IPC
0000000000401776 insn: 83 45 fc 01
000000000040177a insn: 81 7d fc 0f 27 00 00
0000000000401781 insn: 7e e3 br_cntr: A # PRED 7 cycles [14] 0.43 IPC

- Support Timed PEBS (Precise Event-Based Sampling), a recent hardware
feature in Intel processors

- Add 'perf ftrace profile' subcommand, using ftrace's function-graph
tracer so that users can see the total, average, max execution time
as well as the number of invocations easily, for instance:

$ sudo perf ftrace profile -G __x64_sys_perf_event_open -- \
perf stat -e cycles -C1 true 2> /dev/null | head
# Total (us) Avg (us) Max (us) Count Function
65.611 65.611 65.611 1 __x64_sys_perf_event_open
30.527 30.527 30.527 1 anon_inode_getfile
30.260 30.260 30.260 1 __anon_inode_getfile
29.700 29.700 29.700 1 alloc_file_pseudo
17.578 17.578 17.578 1 d_alloc_pseudo
17.382 17.382 17.382 1 __d_alloc
16.738 16.738 16.738 1 kmem_cache_alloc_lru
15.686 15.686 15.686 1 perf_event_alloc
14.012 7.006 11.264 2 obj_cgroup_charge

- 'perf sched timehist' improvements, including the addition of
priority showing/filtering command line options

- Varios improvements to the 'perf probe', including 'perf test'
regression testings

- Introduce the 'perf check', initially to check if some feature is
in place, using it in 'perf test'

- Various fixes for 32-bit systems

- Address more leak sanitizer failures

- Fix memory leaks (LBR, disasm lock ops, etc)

- More reference counting fixes (branch_info, etc)

- Constify 'struct perf_tool' parameters to improve code generation
and reduce the chances of having its internals changed, which isn't
expected

- More constifications in various other places

- Add more build tests, including for JEVENTS

- Add more 'perf test' entries ('perf record LBR', pipe/inject,
--setup-filter, 'perf ftrace', 'cgroup sampling', etc)

- Inject build ids for all entries in a call chain in 'perf inject',
not just for the main sample

- Improve the BPF based sample filter, allowing root to setup filters
in bpffs that then can be used by non-root users

- Allow filtering by cgroups with the BPF based sample filter

- Allow a more compact way for 'perf mem report' using the
-T/--type-profile and also provide a --sort option similar to the one
in 'perf report', 'perf top', to setup the sort order manually

- Fix --group behavior in 'perf annotate' when leader has no samples,
where it was not showing anything even when other events in the group
had samples

- Fix spinlock and rwlock accounting in 'perf lock contention'

- Fix libsubcmd fixdep Makefile dependencies

- Improve 'perf ftrace' error message when ftrace isn't available

- Update various Intel JSON vendor event files

- ARM64 CoreSight hardware tracing infrastructure improvements, mostly
not visible to users

- Update power10 JSON events

* tag 'perf-tools-for-v6.12-1-2024-09-19' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (310 commits)
perf trace: Mark the 'head' arg in the set_robust_list syscall as coming from user space
perf trace: Mark the 'rseq' arg in the rseq syscall as coming from user space
perf env: Find correct branch counter info on hybrid
perf evlist: Print hint for group
tools: Drop nonsensical -O6
perf pmu: To info add event_type_desc
perf evsel: Add accessor for tool_event
perf pmus: Fake PMU clean up
perf list: Avoid potential out of bounds memory read
perf help: Fix a typo ("bellow")
perf ftrace: Detect whether ftrace is enabled on system
perf test shell probe_vfs_getname: Remove extraneous '=' from probe line number regex
perf build: Require at least clang 16.0.6 to build BPF skeletons
perf trace: If a syscall arg is marked as 'const', assume it is coming _from_ userspace
perf parse-events: Remove duplicated include in parse-events.c
perf callchain: Allow symbols to be optional when resolving a callchain
perf inject: Lazy build-id mmap2 event insertion
perf inject: Add new mmap2-buildid-all option
perf inject: Fix build ID injection
perf annotate-data: Add pr_debug_scope()
...

show more ...

perf stat: Constify control data for BPF

The control knobs set before loading BPF programs should be declared as
'const volatile' so that it can be optimized by the BPF core.

Committer testing:

perf stat: Constify control data for BPF

The control knobs set before loading BPF programs should be declared as
'const volatile' so that it can be optimized by the BPF core.

Committer testing:

root@x1:~# perf stat --bpf-counters -e cpu_core/cycles/,cpu_core/instructions/ sleep 1

Performance counter stats for 'sleep 1':

2,442,583 cpu_core/cycles/
2,494,425 cpu_core/instructions/

1.002687372 seconds time elapsed

0.001126000 seconds user
0.001166000 seconds sys

root@x1:~# perf trace -e bpf --max-events 10 perf stat --bpf-counters -e cpu_core/cycles/,cpu_core/instructions/ sleep 1
0.000 ( 0.019 ms): perf/2944119 bpf(cmd: OBJ_GET, uattr: 0x7fffdf5cdd40, size: 20) = 5
0.021 ( 0.002 ms): perf/2944119 bpf(cmd: OBJ_GET_INFO_BY_FD, uattr: 0x7fffdf5cdcd0, size: 16) = 0
0.030 ( 0.005 ms): perf/2944119 bpf(cmd: MAP_LOOKUP_ELEM, uattr: 0x7fffdf5ceda0, size: 32) = 0
0.037 ( 0.004 ms): perf/2944119 bpf(cmd: LINK_GET_FD_BY_ID, uattr: 0x7fffdf5ced80, size: 12) = -1 ENOENT (No such file or directory)
0.189 ( 0.004 ms): perf/2944119 bpf(cmd: 36, uattr: 0x7fffdf5cec10, size: 8) = -1 EOPNOTSUPP (Operation not supported)
0.201 ( 0.095 ms): perf/2944119 bpf(cmd: PROG_LOAD, uattr: 0x7fffdf5ce940, size: 148) = 10
0.305 ( 0.026 ms): perf/2944119 bpf(cmd: PROG_LOAD, uattr: 0x7fffdf5cea00, size: 148) = 10
0.347 ( 0.012 ms): perf/2944119 bpf(cmd: BTF_LOAD, uattr: 0x7fffdf5ce8e0, size: 40) = 10
0.364 ( 0.004 ms): perf/2944119 bpf(cmd: BTF_LOAD, uattr: 0x7fffdf5ce950, size: 40) = 10
0.376 ( 0.006 ms): perf/2944119 bpf(cmd: BTF_LOAD, uattr: 0x7fffdf5ce730, size: 40) = 10
root@x1:~#
Performance counter stats for 'sleep 1':

271,221 cpu_core/cycles/
139,150 cpu_core/instructions/

1.002881677 seconds time elapsed

0.001318000 seconds user
0.001314000 seconds sys

root@x1:~#

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Link: https://lore.kernel.org/r/20240902200515.2103769-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

show more ...

Merge drm-misc-next-2024-07-04 into drm-misc-next-fixes

Let's start the drm-misc-next-fixes cycle.

Signed-off-by: Maxime Ripard <mripard@kernel.org>

Merge drm/drm-next into drm-intel-next

Sync to v6.10-rc3.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Merge drm/drm-next into drm-xe-next

Needed to get tracing cleanup and add mmio tracing series.

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

Merge remote-tracking branch 'drm-misc/drm-misc-next' into HEAD

Merge drm-misc-next tree into the msm-next tree in order to be able to
use HDMI connector framework for the MSM HDMI driver.

Merge drm/drm-next into drm-misc-next

Let's start the new release cycle.

Signed-off-by: Maxime Ripard <mripard@kernel.org>

Merge branch 'for-6.11/trivial' into for-linus

Couple of trivial fixes:
- extra semicolon (Chen Ni)
- typo (Thorsten Blum)

Merge branch 'tip/x86/cpu'

The Lunarlake patches rely on the new VFM stuff.

Signed-off-by: Peter Zijlstra <peterz@infradead.org>

Merge topic branches 'clkdev' and 'fixes' into for-linus

Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes

v6.10-rc1 is released, forward from v6.9

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>

Merge tag 'perf-tools-for-v6.10-1-2024-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:
"General:

- Integrate the s

Merge tag 'perf-tools-for-v6.10-1-2024-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools

Pull perf tools updates from Arnaldo Carvalho de Melo:
"General:

- Integrate the shellcheck utility with the build of perf to allow
catching shell problems early in areas such as 'perf test', 'perf
trace' scrape scripts, etc

- Add 'uretprobe' variant in the 'perf bench uprobe' tool

- Add script to run instances of 'perf script' in parallel

- Allow parsing tracepoint names that start with digits, such as
9p/9p_client_req, etc. Make sure 'perf test' tests it even on
systems where those tracepoints aren't available

- Add Kan Liang to MAINTAINERS as a perf tools reviewer

- Add support for using the 'capstone' disassembler library in
various tools, such as 'perf script' and 'perf annotate'. This is
an alternative for the use of the 'xed' and 'objdump' disassemblers

Data-type profiling improvements:

- Resolve types for a->b->c by backtracking the assignments until it
finds DWARF info for one of those members

- Support for global variables, keeping a cache to speed up lookups

- Handle the 'call' instruction, dealing with effects on registers
and handling its return when tracking register data types

- Handle x86's segment based addressing like %gs:0x28, to support
things like per CPU variables, the stack canary, etc

- Data-type profiling got big speedups when using capstone for
disassembling. The objdump outoput parsing method is left as a
fallback when capstone fails or isn't available. There are patches
posted for 6.11 that to use a LLVM disassembler

- Support event group display in the TUI when annotating types with
--data-type, for instance to show memory load and store events for
the data type fields

- Optimize the 'perf annotate' data structures, reducing memory usage

- Add a initial 'perf test' for 'perf annotate', checking that a
target symbol appears on the output, specifying objdump via the
command line, etc

Vendor Events:

- Update Intel JSON files for Cascade Lake X, Emerald Rapids, Grand
Ridge, Ice Lake X, Lunar Lake, Meteor Lake, Sapphire Rapids, Sierra
Forest, Sky Lake X, Sky Lake and Snow Ridge X. Remove info metrics
erroneously in TopdownL1

- Add AMD's Zen 5 core and uncore events and metrics. Those come from
the "Performance Monitor Counters for AMD Family 1Ah Model 00h- 0Fh
Processors" document, with events that capture information on op
dispatch, execution and retirement, branch prediction, L1 and L2
cache activity, TLB activity, etc

- Mark L1D_CACHE_INVAL impacted by errata for ARM64's AmpereOne/
AmpereOneX

Miscellaneous:

- Sync header copies with the kernel sources

- Move some header copies used only for generating translation string
tables for ioctl cmds and other syscall integer arguments to a new
directory under tools/perf/beauty/, to separate from copies in
tools/include/ that are used to build the tools

- Introduce scrape script for several syscall 'flags'/'mask'
arguments

- Improve cpumap utilization, fixing up pairing of refcounts, using
the right iterators (perf_cpu_map__for_each_cpu), etc

- Give more details about raw event encodings in 'perf list', show
tracepoint encoding in the detailed output

- Refactor the DSOs handling code, reducing memory usage

- Document the BPF event modifier and add a 'perf test' for it

- Improve the event parser, better error messages and add further
'perf test's for it

- Add reference count checking to 'struct comm_str' and 'struct
mem_info'

- Make ARM64's 'perf test' entries for the Neoverse N1 more robust

- Tweak the ARM64's Coresight 'perf test's

- Improve ARM64's CoreSight ETM version detection and error reporting

- Fix handling of symbols when using kcore

- Fix PAI (Processor Activity Instrumentation) counter names for s390
virtual machines in 'perf report'

- Fix -g/--call-graph option failure in 'perf sched timehist'

- Add LIBTRACEEVENT_DIR build option to allow building with
libtraceevent installed in non-standard directories, such as when
doing cross builds

- Various 'perf test' and 'perf bench' fixes

- Improve 'perf probe' error message for long C++ probe names"

* tag 'perf-tools-for-v6.10-1-2024-05-21' of git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools: (260 commits)
tools lib subcmd: Show parent options in help
perf pmu: Count sys and cpuid JSON events separately
perf stat: Don't display metric header for non-leader uncore events
perf annotate-data: Ensure the number of type histograms
perf annotate: Fix segfault on sample histogram
perf daemon: Fix file leak in daemon_session__control
libsubcmd: Fix parse-options memory leak
perf lock: Avoid memory leaks from strdup()
perf sched: Rename 'switches' column header to 'count' and add usage description, options for latency
perf tools: Ignore deleted cgroups
perf parse: Allow tracepoint names to start with digits
perf parse-events: Add new 'fake_tp' parameter for tests
perf parse-events: pass parse_state to add_tracepoint
perf symbols: Fix ownership of string in dso__load_vmlinux()
perf symbols: Update kcore map before merging in remaining symbols
perf maps: Re-use __maps__free_maps_by_name()
perf symbols: Remove map from list before updating addresses
perf tracepoint: Don't scan all tracepoints to test if one exists
perf dwarf-aux: Fix build with HAVE_DWARF_CFI_SUPPORT
perf thread: Fixes to thread__new() related to initializing comm
...

show more ...

perf tools: Ignore deleted cgroups

On large systems, cgroups can be created and deleted often. That means
there's a race between perf tools and cgroups when it gets the cgroup
name and opens the cg

perf tools: Ignore deleted cgroups

On large systems, cgroups can be created and deleted often. That means
there's a race between perf tools and cgroups when it gets the cgroup
name and opens the cgroup.

I got a report that 'perf stat' with many cgroups failed quite often due
to the missing cgroups on such a large machine.

I think we can ignore such cgroups when expanding events and use id 0 if
it fails to read the cgroup id. IIUC 0 is not a vaild cgroup id so it
won't update event counts for the failed cgroups.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20240509182235.2319599-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

show more ...

Merge drm/drm-next into drm-intel-gt-next

Need to pull in commit from drm-next (earlier in drm-intel-next):

1eca0778f4b3 ("drm/i915: add struct i915_dsm to wrap dsm members together")

In order to

Merge drm/drm-next into drm-intel-gt-next

Need to pull in commit from drm-next (earlier in drm-intel-next):

1eca0778f4b3 ("drm/i915: add struct i915_dsm to wrap dsm members together")

In order to merge following patch to drm-intel-gt-next:

https://patchwork.freedesktop.org/patch/530942/?series=114925&rev=6

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

show more ...

Merge drm/drm-next into drm-intel-next

Catch up with 6.3-rc cycle...

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

Merge remote-tracking branch 'drm/drm-next' into msm-next

Merge drm-next into msm-next to pick up external clk and PM dependencies
for improved a6xx GPU reset sequence.

Signed-off-by: Rob Clark <ro

Merge remote-tracking branch 'drm/drm-next' into msm-next

Merge drm-next into msm-next to pick up external clk and PM dependencies
for improved a6xx GPU reset sequence.

Signed-off-by: Rob Clark <robdclark@chromium.org>

show more ...

Merge drm/drm-fixes into drm-misc-fixes

Backmerging to get latest upstream.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

Merge branch 'for-next' into for-linus

Merge branch 'linus' into objtool/core, to pick up Xen dependencies

Pick up dependencies - freshly merged upstream via xen-next - before applying
dependent objtool changes.

Signed-off-by: Ingo Moln

Merge branch 'linus' into objtool/core, to pick up Xen dependencies

Pick up dependencies - freshly merged upstream via xen-next - before applying
dependent objtool changes.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

show more ...

Merge branch 'next' into for-linus

Prepare input updates for 6.3 merge window.

Merge branch 'topic/apple-gmux' into for-next

Pull vga_switcheroo fix for Macs

Signed-off-by: Takashi Iwai <tiwai@suse.de>

Merge tag 'v6.2-rc7' into media_tree

Linux 6.2-rc7

* tag 'v6.2-rc7': (1549 commits)
Linux 6.2-rc7
fbcon: Check font dimension limits
efi: fix potential NULL deref in efi_mem_reserve_persisten

Merge tag 'v6.2-rc7' into media_tree

Linux 6.2-rc7

* tag 'v6.2-rc7': (1549 commits)
Linux 6.2-rc7
fbcon: Check font dimension limits
efi: fix potential NULL deref in efi_mem_reserve_persistent
kernel/irq/irqdomain.c: fix memory leak with using debugfs_lookup()
HV: hv_balloon: fix memory leak with using debugfs_lookup()
mtk_sgmii: enable PCS polling to allow SFP work
net: mediatek: sgmii: fix duplex configuration
net: mediatek: sgmii: ensure the SGMII PHY is powered down on configuration
MAINTAINERS: update SCTP maintainers
MAINTAINERS: ipv6: retire Hideaki Yoshifuji
mailmap: add John Crispin's entry
MAINTAINERS: bonding: move Veaceslav Falico to CREDITS
net: openvswitch: fix flow memory leak in ovs_flow_cmd_new
net: ethernet: mtk_eth_soc: disable hardware DSA untagging for second MAC
virtio-net: Keep stop() to follow mirror sequence of open()
efi: Accept version 2 of memory attributes table
ceph: blocklist the kclient when receiving corrupted snap trace
ceph: move mount state enum to super.h
selftests: net: udpgso_bench_tx: Cater for pending datagrams zerocopy benchmarking
selftests: net: udpgso_bench: Fix racing bug between the rx/tx programs
...

show more ...

Merge tag 'v6.2-rc6' into sched/core, to pick up fixes

Pick up fixes before merging another batch of cpuidle updates.

Signed-off-by: Ingo Molnar <mingo@kernel.org>