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Message-ID: <mhng-021d3023-ba14-4d68-a89c-a9358b7c6a86@palmer-ri-x1c9>
Date: Fri, 08 Sep 2023 07:57:18 -0700 (PDT)
From: Palmer Dabbelt <palmer@...osinc.com>
To: acme@...nel.org
CC: Linus Torvalds <torvalds@...ux-foundation.org>, mingo@...nel.org,
tglx@...utronix.de, jolsa@...nel.org, namhyung@...nel.org,
irogers@...gle.com, adrian.hunter@...el.com, williams@...hat.com,
kcarcia@...hat.com, linux-kernel@...r.kernel.org,
linux-perf-users@...r.kernel.org, acme@...nel.org,
adityag@...ux.ibm.com, akanksha@...ux.ibm.com,
anupnewsmail@...il.com, atrajeev@...ux.vnet.ibm.com,
james.clark@....com, renyu.zj@...ux.alibaba.com,
john.g.garry@...cle.com, kjain@...ux.ibm.com, luhongfei@...o.com,
mhiramat@...nel.org, tmricht@...ux.ibm.com, xiujianfeng@...wei.com,
alexghiti@...osinc.com, acme@...hat.com
Subject: Re: [GIT PULL] perf tools changes for v6.6
On Tue, 05 Sep 2023 17:53:30 PDT (-0700), acme@...nel.org wrote:
> Hi Linus,
>
> Two enablement patches for RiscV are already in your tree, same
> content, as reported by Stephen (linux-next), I cherry-picked them at
> some point, probably the Risc-V guy didn't notice my "applied" message.
Sorry again about that, I'd had some email brekages and missed a few
things. LMK if there's anything I can do to help sort it out.
>
> Please consider pulling,
>
> Best regards,
>
> - Arnaldo
>
>
> The following changes since commit 374a7f47bf401441edff0a64465e61326bf70a82:
>
> Merge tag '6.5-rc5-ksmbd-server' of git://git.samba.org/ksmbd (2023-08-09 21:12:56 -0700)
>
> are available in the Git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools.git tags/perf-tools-for-v6.6-1-2023-09-05
>
> for you to fetch changes up to 45fc4628c15ab2cb7b2f53354b21db63f0a41f81:
>
> perf parse-events: Fix driver config term (2023-09-05 09:39:13 -0300)
>
> ----------------------------------------------------------------
> perf tools changes for v6.6:
>
> perf tools maintainership:
>
> - Add git information for perf-tools and perf-tools-next trees/branches to the
> MAINTAINERS file. That is where development now takes place and myself and
> Namhyung Kim have write access, more people to come as we emulate other
> maintainer groups.
>
> perf record:
>
> - Record kernel data maps when 'perf record --data' is used, so that global variables can
> be resolved and used in tools that do data profiling.
>
> perf trace:
>
> - Remove the old, experimental support for BPF events in which a .c file was passed as
> an event: "perf trace -e hello.c" to then get compiled and loaded.
>
> The only known usage for that, that shipped with the kernel as an example for such events,
> augmented the raw_syscalls tracepoints and was converted to a libbpf skeleton, reusing all
> the user space components and the BPF code connected to the syscalls.
>
> In the end just the way to glue the BPF part and the user space type beautifiers changed,
> now being performed by libbpf skeletons.
>
> The next step is to use BTF to do pretty printing of all syscall types, as discussed with
> Alan Maguire and others.
>
> Now, on a perf built with BUILD_BPF_SKEL=1 we get most if not all path/filenames/strings,
> some of the networking data structures, perf_event_attr, etc, i.e. systemwide tracing of
> nanosleep calls and perf_event_open syscalls while 'perf stat' runs 'sleep' for 5 seconds:
>
> # perf trace -a -e *nanosleep,perf* perf stat -e cycles,instructions sleep 5
> 0.000 ( 9.034 ms): perf/327641 perf_event_open(attr_uptr: { type: 0 (PERF_TYPE_HARDWARE), size: 136, config: 0 (PERF_COUNT_HW_CPU_CYCLES), sample_type: IDENTIFIER, read_format: TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING, disabled: 1, inherit: 1, enable_on_exec: 1, exclude_guest: 1 }, pid: 327642 (perf), cpu: -1, group_fd: -1, flags: FD_CLOEXEC) = 3
> 9.039 ( 0.006 ms): perf/327641 perf_event_open(attr_uptr: { type: 0 (PERF_TYPE_HARDWARE), size: 136, config: 0x1 (PERF_COUNT_HW_INSTRUCTIONS), sample_type: IDENTIFIER, read_format: TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING, disabled: 1, inherit: 1, enable_on_exec: 1, exclude_guest: 1 }, pid: 327642 (perf-exec), cpu: -1, group_fd: -1, flags: FD_CLOEXEC) = 4
> ? ( ): gpm/991 ... [continued]: clock_nanosleep()) = 0
> 10.133 ( ): sleep/327642 clock_nanosleep(rqtp: { .tv_sec: 5, .tv_nsec: 0 }, rmtp: 0x7ffd36f83ed0) ...
> ? ( ): pool-gsd-smart/3051 ... [continued]: clock_nanosleep()) = 0
> 30.276 ( ): gpm/991 clock_nanosleep(rqtp: { .tv_sec: 2, .tv_nsec: 0 }, rmtp: 0x7ffcc6f73710) ...
> 223.215 (1000.430 ms): pool-gsd-smart/3051 clock_nanosleep(rqtp: { .tv_sec: 1, .tv_nsec: 0 }, rmtp: 0x7f6e7fffec90) = 0
> 30.276 (2000.394 ms): gpm/991 ... [continued]: clock_nanosleep()) = 0
> 1230.814 ( ): pool-gsd-smart/3051 clock_nanosleep(rqtp: { .tv_sec: 1, .tv_nsec: 0 }, rmtp: 0x7f6e7fffec90) ...
> 1230.814 (1000.404 ms): pool-gsd-smart/3051 ... [continued]: clock_nanosleep()) = 0
> 2030.886 ( ): gpm/991 clock_nanosleep(rqtp: { .tv_sec: 2, .tv_nsec: 0 }, rmtp: 0x7ffcc6f73710) ...
> 2237.709 (1000.153 ms): pool-gsd-smart/3051 clock_nanosleep(rqtp: { .tv_sec: 1, .tv_nsec: 0 }, rmtp: 0x7f6e7fffec90) = 0
> ? ( ): crond/1172 ... [continued]: clock_nanosleep()) = 0
> 3242.699 ( ): pool-gsd-smart/3051 clock_nanosleep(rqtp: { .tv_sec: 1, .tv_nsec: 0 }, rmtp: 0x7f6e7fffec90) ...
> 2030.886 (2000.385 ms): gpm/991 ... [continued]: clock_nanosleep()) = 0
> 3728.078 ( ): crond/1172 clock_nanosleep(rqtp: { .tv_sec: 60, .tv_nsec: 0 }, rmtp: 0x7ffe0971dcf0) ...
> 3242.699 (1000.158 ms): pool-gsd-smart/3051 ... [continued]: clock_nanosleep()) = 0
> 4031.409 ( ): gpm/991 clock_nanosleep(rqtp: { .tv_sec: 2, .tv_nsec: 0 }, rmtp: 0x7ffcc6f73710) ...
> 10.133 (5000.375 ms): sleep/327642 ... [continued]: clock_nanosleep()) = 0
>
> Performance counter stats for 'sleep 5':
>
> 2,617,347 cycles
> 1,855,997 instructions # 0.71 insn per cycle
>
> 5.002282128 seconds time elapsed
>
> 0.000855000 seconds user
> 0.000852000 seconds sys
> #
>
> perf annotate:
>
> - Building with binutils' libopcode now is opt-in (BUILD_NONDISTRO=1) for
> licensing reasons, and we missed a build test on tools/perf/tests makefile.
>
> Since we now default to NDEBUG=1, we ended up segfaulting when building with
> BUILD_NONDISTRO=1 because a needed initialization routine was being "error
> checked" via an assert.
>
> Fix it by explicitly checking the result and aborting instead if it fails.
>
> We better back propagate the error, but at least 'perf annotate' on samples
> collected for a BPF program is back working when perf is built with
> BUILD_NONDISTRO=1.
>
> perf report/top:
>
> - Add back TUI hierarchy mode header, that is seen when using 'perf report/top --hierarchy'.
>
> - Fix the number of entries for 'e' key in the TUI that was preventing navigation of
> lines when expanding an entry.
>
> perf report/script:
>
> - Support cross platform register handling, allowing a perf.data file collected
> on one architecture to have registers sampled correctly displayed when
> analysis tools such as 'perf report' and 'perf script' are used on a different
> architecture.
>
> - Fix handling of event attributes in pipe mode, i.e. when one uses:
>
> perf record -o - | perf report -i -
>
> When no perf.data files are used.
>
> - Handle files generated via pipe mode with a version of perf and then read
> also via pipe mode with a different version of perf, where the event attr
> record may have changed, use the record size field to properly support this
> version mismatch.
>
> perf probe:
>
> - Accessing global variables from uprobes isn't supported, make the error
> message state that instead of stating that some minimal kernel version is
> needed to have that feature. This seems just a tool limitation, the kernel
> probably has all that is needed.
>
> perf tests:
>
> - Fix a reference count related leak in the dlfilter v0 API where the result
> of a thread__find_symbol_fb() is not matched with an addr_location__exit()
> to drop the reference counts of the resolved components (machine, thread, map,
> symbol, etc). Add a dlfilter test to make sure that doesn't regresses.
>
> - Lots of fixes for the 'perf test' written in shell script related to problems
> found with the shellcheck utility.
>
> - Fixes for 'perf test' shell scripts testing features enabled when perf is
> built with BUILD_BPF_SKEL=1, such as 'perf stat' bpf counters.
>
> - Add perf record sample filtering test, things like the following example, that gets
> implemented as a BPF filter attached to the event:
>
> # perf record -e task-clock -c 10000 --filter 'ip < 0xffffffff00000000'
>
> - Improve the way the task_analyzer test checks if libtraceevent is linked,
> using 'perf version --build-options' instead of the more expensinve
> 'perf record -e "sched:sched_switch"'.
>
> - Add support for riscv in the mmap-basic test. (This went as well via the RiscV tree, same contents).
>
> libperf:
>
> - Implement riscv mmap support (This went as well via the RiscV tree, same contents).
>
> perf script:
>
> - New tool that converts perf.data files to the firefox profiler format so that one can use
> the visualizer at https://profiler.firefox.com/. Done by Anup Sharma as part of this year's
> Google Summer of Code.
>
> One can generate the output and upload it to the web interface but Anup also automated
> everything:
>
> perf script gecko -F 99 -a sleep 60
>
> - Support syscall name parsing on arm64.
>
> - Print "cgroup" field on the same line as "comm".
>
> perf bench:
>
> - Add new 'uprobe' benchmark to measure the overhead of uprobes with/without
> BPF programs attached to it.
>
> - breakpoints are not available on power9, skip that test.
>
> perf stat:
>
> - Add #num_cpus_online literal to be used in 'perf stat' metrics, and add this extra
> 'perf test' check that exemplifies its purpose:
>
> TEST_ASSERT_VAL("#num_cpus_online",
> expr__parse(&num_cpus_online, ctx, "#num_cpus_online") == 0);
> TEST_ASSERT_VAL("#num_cpus", expr__parse(&num_cpus, ctx, "#num_cpus") == 0);
> TEST_ASSERT_VAL("#num_cpus >= #num_cpus_online", num_cpus >= num_cpus_online);
>
> Miscellaneous:
>
> - Improve tool startup time by lazily reading PMU, JSON, sysfs data.
>
> - Improve error reporting in the parsing of events, passing YYLTYPE to error routines,
> so that the output can show were the parsing error was found.
>
> - Add 'perf test' entries to check the parsing of events improvements.
>
> - Fix various leak for things detected by -fsanitize=address, mostly things that would
> be freed at tool exit, including:
>
> - Free evsel->filter on the destructor.
>
> - Allow tools to register a thread->priv destructor and use it in 'perf trace'.
>
> - Free evsel->priv in 'perf trace'.
>
> - Free string returned by synthesize_perf_probe_point() when the caller fails
> to do all it needs.
>
> - Adjust various compiler options to not consider errors some warnings when
> building with broken headers found in things like python, flex, bison, as we
> otherwise build with -Werror. Some for gcc, some for clang, some for some
> specific version of those, some for some specific version of flex or bison, or
> some specific combination of these components, bah.
>
> - Allow customization of clang options for BPF target, this helps building on
> gentoo where there are other oddities where BPF targets gets passed some compiler
> options intended for the native build, so building with WERROR=0 helps while
> these oddities are fixed.
>
> - Dont pass ERR_PTR() values to perf_session__delete() in 'perf top' and 'perf lock',
> fixing some segfaults when handling some odd failures.
>
> - Add LTO build option.
>
> - Fix format of unordered lists in the perf docs (tools/perf/Documentation).
>
> - Overhaul the bison files, using constructs such as YYNOMEM.
>
> - Remove unused tokens from the bison .y files.
>
> - Add more comments to various structs.
>
> - A few LoongArch enablement patches.
>
> Vendor events (JSON):
>
> - Add JSON metrics for Yitian 710 DDR (aarch64). Things like:
>
> EventName, BriefDescription
> visible_window_limit_reached_rd, "At least one entry in read queue reaches the visible window limit.",
> visible_window_limit_reached_wr, "At least one entry in write queue reaches the visible window limit.",
> op_is_dqsosc_mpc , "A DQS Oscillator MPC command to DRAM.",
> op_is_dqsosc_mrr , "A DQS Oscillator MRR command to DRAM.",
> op_is_tcr_mrr , "A Temperature Compensated Refresh(TCR) MRR command to DRAM.",
>
> - Add AmpereOne metrics (aarch64).
>
> - Update N2 and V2 metrics (aarch64) and events using Arm telemetry repo.
>
> - Update scale units and descriptions of common topdown metrics on aarch64. Things like:
>
> - "MetricExpr": "stall_slot_frontend / (#slots * cpu_cycles)",
> - "BriefDescription": "Frontend bound L1 topdown metric",
> + "MetricExpr": "100 * (stall_slot_frontend / (#slots * cpu_cycles))",
> + "BriefDescription": "This metric is the percentage of total slots that were stalled due to resource constraints in the frontend of the processor.",
>
> - Update events for intel: meteorlake to 1.04, sapphirerapids to 1.15, Icelake+ metric constraints.
>
> - Update files for the power10 platform.
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
>
> ----------------------------------------------------------------
> Aditya Gupta (1):
> perf tests task_analyzer: Check perf build options for libtraceevent support
>
> Adrian Hunter (3):
> perf dlfilter: Add a test for resolve_address()
> perf dlfilter: Add al_cleanup()
> perf dlfilter: Avoid leak in v0 API test use of resolve_address()
>
> Akanksha J N (1):
> perf tests trace+probe_vfs_getname: Fix shellcheck warnings about word splitting/quoting
>
> Alexandre Ghiti (2):
> libperf: Implement riscv mmap support
> perf tests mmap-basic: Adapt for riscv
>
> Anup Sharma (9):
> perf scripts python: Add initial script file with usage information
> perf scripts python: Extact necessary information from process event
> perf scripts python: Add classes and conversion functions
> perf scripts python: Add trace end processing and PRODUCT and CATEGORIES information
> perf scripts python: Implement add sample function and thread processing
> perf scripts python: Implement add sample function and thread processing
> perf scripts python: Add command execution for gecko script
> perf scripts python: Add support for input args in gecko script
> perf scripts python gecko: Launch the profiler UI on the default browser with the appropriate URL
>
> Arnaldo Carvalho de Melo (34):
> perf evsel: Free evsel->filter on the destructor
> perf thread: Allow tools to register a thread->priv destructor
> perf trace: Register a thread priv destructor
> perf trace: Really free the evsel->priv area
> perf trace: Free thread_trace->files table
> MAINTAINERS: Add git information for perf-tools and perf-tools-next trees/branches
> perf bench uprobe: Add benchmark to test uprobe overhead
> perf bench uprobe: Print diff to baseline
> perf bench uprobe: Show diff to previous
> perf bench uprobe empty: Add entry attaching an empty BPF program
> perf bench uprobe trace_printk: Add entry attaching an BPF program that does a trace_printk
> perf build: Define YYNOMEM as YYNOABORT for bison < 3.81
> tools build: Add 3-component logical version comparators
> perf test bpf: Address error about non-null argument for epoll_pwait 2nd arg
> perf python: Cope with declarations after statements found in Python.h
> perf script python: Cope with declarations after statements found in Python.h
> perf annotate bpf: Don't enclose non-debug code with an assert()
> Merge remote-tracking branch 'torvalds/master' into perf-tools-next
> perf probe: Free string returned by synthesize_perf_probe_point() on failure to add a probe
> perf probe: Free string returned by synthesize_perf_probe_point() on failure in synthesize_perf_probe_command()
> perf probe: Make synthesize_perf_probe_point() private to probe-event.c
> Merge remote-tracking branch 'torvalds/master' into perf-tools-next
> perf build: Remove -Wno-unused-but-set-variable from the flex flags when building with clang < 13.0.0
> perf test trace+probe_vfs_getname.sh: Remove stray \ before /
> perf tests trace+probe_vfs_getname.sh: Accept quotes surrounding the filename
> perf dlfilter: Initialize addr_location before passing it to thread__find_symbol_fb()
> perf bpf_skel augmented_raw_syscalls: Cap the socklen parameter using &= sizeof(saddr)
> perf top: Don't pass an ERR_PTR() directly to perf_session__delete()
> perf lock: Don't pass an ERR_PTR() directly to perf_session__delete()
> perf trace: Use the augmented_raw_syscall BPF skel only for tracing syscalls
> perf trace: Use heuristic when deciding if a syscall tracepoint "const char *" field is really a string
> perf bpf augmented_raw_syscalls: Add an assert to make sure sizeof(saddr) is a power of two.
> perf bpf augmented_raw_syscalls: Add an assert to make sure sizeof(augmented_arg->value) is a power of two.
> perf lzma: Convert some pr_err() to pr_debug() as callers already use pr_debug()
>
> Athira Rajeev (15):
> perf tests: Address signal case issues detected via shellcheck
> perf tests stat+csv_summary: Fix unused variable references detected via shellcheck
> perf tests perf_dat _converter_json: Use quoting to avoid word splitting
> perf tests stat_bpf_counters: Fix usage of '==' to address shellcheck warning
> perf tests stat+shadow_stat: Fix shellcheck warning about unused variable
> perf tests thread_loop_check_tid_10: Fix shellcheck warnings bout word splitting/quoting
> perf tests unroll_loop_thread_10: Fix shellcheck warnings about word splitting/quoting
> perf tests lib probe_vfs_getname: Fix shellcheck warnings about missing shebang/local variables
> perf tests lib waiting: Fix the shellcheck warnings about missing shebang
> perf trace x86_arch_prctl: Address shellcheck warnings about local variables
> perf arch x86: Address shellcheck warnings about unused variables in syscalltbl.sh
> perf tests record+zstd_comp_decomp: Fix the shellcheck warnings about word splitting/quoting
> perf tests stat+std_output: Fix shellcheck warnings about word splitting/quoting
> perf tests stat+std_output: Fix shellcheck warnings about word splitting/quoting and local variables
> perf symbols: Fix DSO kernel load and symbol process to correctly map DSO to its long_name, type and adjust_symbols
>
> Changbin Du (1):
> perf docs: Fix format of unordered lists
>
> Guilherme Amadio (1):
> perf build: Allow customization of clang options for BPF target
>
> Ian Rogers (82):
> perf stat: Avoid uninitialized use of perf_stat_config
> perf parse-events: Avoid use uninitialized warning
> perf test: Avoid weak symbol for arch_tests
> perf build: Add LTO build option
> perf parse-events: Remove unused PE_PMU_EVENT_FAKE token
> perf parse-events: Remove unused PE_KERNEL_PMU_EVENT token
> perf parse-events: Remove two unused tokens
> perf parse-events: Add more comments to 'struct parse_events_state'
> perf parse-events: Avoid regrouped warning for wild card events
> perf parse-event: Add memory allocation test for name terms
> perf parse-events: Separate YYABORT and YYNOMEM cases
> perf parse-events: Move instances of YYABORT to YYNOMEM
> perf parse-events: Separate ENOMEM memory handling
> perf parse-events: Additional error reporting
> perf parse-events: Populate error column for BPF/tracepoint events
> perf parse-events: Improve location for add pmu
> perf parse-events: Remove ABORT_ON
> perf bpf-loader: Remove unneeded diagnostic pragma
> perf build: Don't always set -funwind-tables and -ggdb3
> perf build: Add Wextra for C++ compilation
> perf build: Disable fewer flex warnings
> perf build: Disable fewer bison warnings
> perf build: Remove -Wno-redundant-decls in 2 cases
> perf parse-event: Avoid BPF test SEGV
> perf tools: Revert enable indices setting syntax for BPF map
> perf parse-events: Remove array remnants
> perf parse-events x86: Avoid sorting uops_retired.slots
> perf vendor events intel: Update meteorlake to 1.04
> perf vendor events intel: Update sapphirerapids to 1.15
> perf vendor events intel: Update Icelake+ metric constraints
> perf script python: Add stub for PMU symbol to the python binding
> perf bpf: Remove support for embedding clang for compiling BPF events (-e foo.c)
> perf parse-events: Remove BPF event support
> perf trace: Migrate BPF augmentation to use a skeleton
> perf bpf examples: With no BPF events remove examples
> perf trace: Tidy comments related to BPF + syscall augmentation
> perf script ibs: Remove unused include
> perf pmu: Avoid a path name copy
> perf pmu: Move perf_pmu__set_format to pmu.y
> perf pmu: Reduce scope of perf_pmu_error()
> perf pmu: Avoid passing format list to perf_pmu__config_terms()
> perf pmu: Avoid passing format list to perf_pmu__format_type
> perf pmu: Avoid passing format list to perf_pmu__format_bits()
> perf pmu: Pass PMU rather than aliases and format
> perf pmu: Make the loading of formats lazy
> perf pmu: Abstract alias/event struct
> perf pmu-events: Add extra underscore to function names
> perf jevents: Group events by PMU
> perf parse-events: Improve error message for double setting
> perf s390 s390_cpumcfdg_dump: Don't scan all PMUs
> perf pmu-events: Reduce processed events by passing PMU
> perf pmu-events: Add pmu_events_table__find_event()
> perf pmu: Parse sysfs events directly from a file
> perf pmu: Prefer passing pmu to aliases list
> perf pmu: Merge JSON events with sysfs at load time
> perf pmu: Cache JSON events table
> perf pmu: Lazily add JSON events
> perf pmu: Scan type early to fail an invalid PMU quickly
> perf pmu: Be lazy about loading event info files from sysfs
> perf pmu: Lazily load sysfs aliases
> perf jevents: Sort strings in the big C string to reduce faults
> perf jevents: Don't append Unit to desc
> perf header: Fix missing PMU caps
> perf pmu: Remove logic for PMU name being NULL
> perf parse-events: Make term's config const
> perf pmu: Make id const and add missing free
> perf build-id: Simplify build_id_cache__cachedir()
> perf tui slang: Tidy casts
> perf pmus: Sort pmus by name then suffix
> perf pmus: Skip duplicate PMUs and don't print list suffix by default
> perf jevents: Use "default_core" for events with no Unit
> perf pmu: Avoid uninitialized use of alias->str
> perf parse-events: Minor help message improvements
> perf parse-events: Make common term list to strbuf helper
> perf pmu: Remove str from perf_pmu_alias
> perf metric: Add #num_cpus_online literal
> perf vendor events intel: Fix modifier in tma_info_system_mem_parallel_reads for skylake
> perf list: Don't print Unit for "default_core"
> perf parse-events: Name the two term enums
> perf parse-events: Fix propagation of term's no_value when cloning
> perf parse-events: Fixes relating to no_value terms
> perf parse-events: Fix driver config term
>
> Ilkka Koskinen (4):
> perf vendor events arm64: Remove L1D_CACHE_LMISS from AmpereOne list
> perf vendor events arm64: AmpereOne: Mark affected STALL_* events impacted by errata
> perf vendor events arm64: Add AmpereOne metrics
> perf vendor events arm64: AmpereOne: Remove unsupported events
>
> Ivan Babrou (1):
> perf script: Print "cgroup" field on the same line as "comm"
>
> James Clark (8):
> perf tools: Add a place to put kernel config fragments for test runs
> perf cs-etm: Don't duplicate FIELD_GET()
> perf vendor events arm64: Update scale units and descriptions of common topdown metrics
> perf arm64: Allow version comparisons of CPU IDs
> perf test: Add a test for the new Arm CPU ID comparison behavior
> perf jevents: Add a new expression builtin strcmp_cpuid_str()
> perf vendor events arm64: Update stall_slot workaround for N2 r0p3
> perf vendor events arm64: Update N2 and V2 metrics and events using Arm telemetry repo
>
> Jing Zhang (3):
> perf jevents: Add support for Yitian 710 DDR PMU (arm64) aliasing
> perf vendor events arm64: Add JSON metrics for Yitian 710 DDR
> perf docs: Update metric usage for Alibaba's T-Head PMU driver (arm64)
>
> John Garry (1):
> perf jevents: Raise exception for no definition of a arch std event
>
> Kaige Ye (1):
> perf stat-display: Check if snprintf()'s fmt argument is NULL
>
> Kajol Jain (20):
> perf tests probe_vfs_getname: Fix shellcheck warnings about word splitting/quoting
> perf tests record_offcpu: Fix shellcheck warnings about word splitting/quoting and signal names case
> perf tests lock_contention: Fix shellcheck issue about quoting to avoid word splitting
> perf test stat_bpf_counters_cgrp: Fix shellcheck issue about logical operators
> perf tests asm_pure_loop: Fix shellcheck warning about word splitting/quote
> perf tests memcpy_thread_16k_10: Fix shellcheck warning about word splitting/quote
> perf tests lib probe: Fix shellcheck warning about about missing shebang
> perf beauty arch_errno_names: Fix shellcheck issue about local variables
> perf build: Fix shellcheck issue about quotes for check-headers.sh
> perf tests coresight thread_loop_check_tid_2: Fix shellcheck warnings about word splitting/quoting
> perf tests lib stat_output: Fix shellcheck warning about missing shebang
> perf vendor events: Update the JSON/events descriptions for power10 platform
> perf vendor events: Drop some of the JSON/events for power10 platform
> perf vendor events: Drop STORES_PER_INST metric event for power10 platform
> perf vendor events: Move JSON/events to appropriate files for power10 platform
> perf vendor events: Update JSON/events for power10 platform
> perf vendor events: Update metric event names for power10 platform
> perf vendor events: Update metric events for power10 platform
> perf bench breakpoint: Skip run if no breakpoints available
> perf lock contention: Fix typo in max-stack option description
>
> Leo Yan (6):
> perf parse-regs: Refactor arch register parsing functions
> perf parse-regs: Introduce functions perf_arch_reg_{ip|sp}()
> perf unwind: Use perf_arch_reg_{ip|sp}() to substitute macros
> perf parse-regs: Remove unused macros PERF_REG_{IP|SP}
> perf parse-regs: Remove PERF_REGS_{MAX|MASK} from common code
> perf parse-regs: Move out arch specific header from util/perf_regs.h
>
> Lu Hongfei (1):
> perf diff: Replaces some ',' as separator with the more usual ';'
>
> Masami Hiramatsu (1):
> perf probe: Show correct error message about @symbol usage for uprobe
>
> Namhyung Kim (15):
> perf symbols: Add kallsyms__get_symbol_start()
> perf machine: Include data symbols in the kernel map
> perf build: Update build rule for generated files
> perf build: Include generated header files properly
> perf hists browser: Fix hierarchy mode header
> perf hists browser: Fix the number of entries for 'e' key
> perf bpf-filter: Fix sample flag check with ||
> perf test: Add perf record sample filtering test
> perf tools: Handle old data in PERF_RECORD_ATTR
> libperf: Add perf_record_header_attr_id()
> perf tools: Convert to perf_record_header_attr_id()
> libperf: Get rid of attr.id field
> perf test shell record_bpf_filter: Skip 6.2 kernel
> perf test shell stat_bpf_counters: Fix test on Intel
> perf test stat_bpf_counters_cgrp: Enhance perf stat cgroup BPF counter test
>
> Thomas Richter (2):
> perf build: Update feature check for clang and llvm
> perf build: Support llvm and clang support compiled in
>
> Wei Li (2):
> perf scripts python: Support syscall name parsing on arm64
> perf scripts python: Update audit-libs package name for python3
>
> Xiu Jianfeng (1):
> perf doc: Fix typo in perf.data-file-format.txt
>
> Yang Jihong (1):
> perf evsel: Remove duplicate check for `field` in evsel__intval()
>
> Yanteng Si (3):
> perf tools: Allow to use cpuinfo on LoongArch
> perf beauty mmap_flags: Fix script for archs that use the generic mman.h
> perf beauty mmap_flags: Use "test -f" instead of "[-f FILE]"
>
> Documentation/admin-guide/perf/alibaba_pmu.rst | 5 +
> MAINTAINERS | 2 +
> tools/build/Makefile.build | 10 +
> tools/build/feature/Makefile | 10 +-
> tools/build/feature/test-clang.cpp | 28 -
> tools/build/feature/test-cxx.cpp | 16 -
> tools/build/feature/test-llvm-version.cpp | 12 -
> tools/build/feature/test-llvm.cpp | 14 -
> tools/lib/perf/include/perf/event.h | 14 +-
> tools/lib/perf/mmap.c | 66 +
> tools/perf/Documentation/perf-bench.txt | 3 +
> tools/perf/Documentation/perf-config.txt | 33 -
> tools/perf/Documentation/perf-dlfilter.txt | 22 +-
> tools/perf/Documentation/perf-ftrace.txt | 16 +-
> tools/perf/Documentation/perf-record.txt | 95 +-
> tools/perf/Documentation/perf.data-file-format.txt | 2 +-
> tools/perf/Makefile.config | 59 +-
> tools/perf/Makefile.perf | 36 +-
> tools/perf/arch/arm/include/perf_regs.h | 3 -
> tools/perf/arch/arm/util/cs-etm.c | 12 +-
> tools/perf/arch/arm/util/perf_regs.c | 11 +
> tools/perf/arch/arm/util/unwind-libdw.c | 1 +
> tools/perf/arch/arm64/include/arch-tests.h | 3 +
> tools/perf/arch/arm64/include/perf_regs.h | 3 -
> tools/perf/arch/arm64/tests/Build | 1 +
> tools/perf/arch/arm64/tests/arch-tests.c | 4 +
> tools/perf/arch/arm64/tests/cpuid-match.c | 37 +
> tools/perf/arch/arm64/util/arm-spe.c | 2 +-
> tools/perf/arch/arm64/util/header.c | 67 +-
> tools/perf/arch/arm64/util/machine.c | 1 +
> tools/perf/arch/arm64/util/mem-events.c | 2 +-
> tools/perf/arch/arm64/util/perf_regs.c | 6 +
> tools/perf/arch/arm64/util/pmu.c | 18 +-
> tools/perf/arch/arm64/util/unwind-libdw.c | 1 +
> tools/perf/arch/csky/include/perf_regs.h | 3 -
> tools/perf/arch/csky/util/perf_regs.c | 11 +
> tools/perf/arch/csky/util/unwind-libdw.c | 1 +
> tools/perf/arch/loongarch/include/perf_regs.h | 2 -
> tools/perf/arch/loongarch/util/perf_regs.c | 11 +
> tools/perf/arch/loongarch/util/unwind-libdw.c | 1 +
> tools/perf/arch/mips/include/perf_regs.h | 2 -
> tools/perf/arch/mips/util/perf_regs.c | 11 +
> tools/perf/arch/powerpc/include/perf_regs.h | 3 -
> tools/perf/arch/powerpc/util/mem-events.c | 6 +-
> tools/perf/arch/powerpc/util/perf_regs.c | 6 +
> tools/perf/arch/powerpc/util/unwind-libdw.c | 1 +
> tools/perf/arch/riscv/include/perf_regs.h | 3 -
> tools/perf/arch/riscv/util/perf_regs.c | 11 +
> tools/perf/arch/riscv/util/unwind-libdw.c | 1 +
> tools/perf/arch/s390/include/perf_regs.h | 3 -
> tools/perf/arch/s390/util/perf_regs.c | 11 +
> tools/perf/arch/s390/util/unwind-libdw.c | 1 +
> tools/perf/arch/x86/entry/syscalls/syscalltbl.sh | 2 +-
> tools/perf/arch/x86/include/perf_regs.h | 2 -
> tools/perf/arch/x86/util/evlist.c | 7 +-
> tools/perf/arch/x86/util/evsel.c | 7 +-
> tools/perf/arch/x86/util/intel-pt.c | 39 +-
> tools/perf/arch/x86/util/mem-events.c | 8 +-
> tools/perf/arch/x86/util/perf_regs.c | 6 +
> tools/perf/arch/x86/util/pmu.c | 10 +-
> tools/perf/arch/x86/util/unwind-libdw.c | 1 +
> tools/perf/bench/Build | 1 +
> tools/perf/bench/bench.h | 3 +
> tools/perf/bench/breakpoint.c | 24 +-
> tools/perf/bench/pmu-scan.c | 8 +-
> tools/perf/bench/uprobe.c | 198 ++
> tools/perf/builtin-bench.c | 8 +
> tools/perf/builtin-diff.c | 4 +-
> tools/perf/builtin-list.c | 23 +-
> tools/perf/builtin-lock.c | 3 +-
> tools/perf/builtin-record.c | 45 -
> tools/perf/builtin-script.c | 22 +-
> tools/perf/builtin-top.c | 1 +
> tools/perf/builtin-trace.c | 338 ++--
> tools/perf/check-headers.sh | 6 +-
> tools/perf/dlfilters/dlfilter-test-api-v0.c | 26 +-
> tools/perf/dlfilters/dlfilter-test-api-v2.c | 377 ++++
> tools/perf/examples/bpf/5sec.c | 53 -
> tools/perf/examples/bpf/empty.c | 12 -
> tools/perf/examples/bpf/hello.c | 27 -
> tools/perf/examples/bpf/sys_enter_openat.c | 33 -
> tools/perf/include/perf/perf_dlfilter.h | 11 +-
> tools/perf/perf.c | 2 -
> tools/perf/pmu-events/Build | 6 +
> .../arch/arm64/ampere/ampereone/cache.json | 3 -
> .../arch/arm64/ampere/ampereone/core-imp-def.json | 120 --
> .../arch/arm64/ampere/ampereone/metrics.json | 362 ++++
> .../arch/arm64/ampere/ampereone/pipeline.json | 12 +-
> .../arch/arm64/arm/neoverse-n2-v2/branch.json | 8 -
> .../arch/arm64/arm/neoverse-n2-v2/bus.json | 18 +-
> .../arch/arm64/arm/neoverse-n2-v2/cache.json | 155 --
> .../arch/arm64/arm/neoverse-n2-v2/exception.json | 45 +-
> .../arm64/arm/neoverse-n2-v2/fp_operation.json | 22 +
> .../arch/arm64/arm/neoverse-n2-v2/general.json | 10 +
> .../arch/arm64/arm/neoverse-n2-v2/instruction.json | 143 --
> .../arch/arm64/arm/neoverse-n2-v2/l1d_cache.json | 54 +
> .../arch/arm64/arm/neoverse-n2-v2/l1i_cache.json | 14 +
> .../arch/arm64/arm/neoverse-n2-v2/l2_cache.json | 50 +
> .../arch/arm64/arm/neoverse-n2-v2/l3_cache.json | 22 +
> .../arch/arm64/arm/neoverse-n2-v2/ll_cache.json | 10 +
> .../arch/arm64/arm/neoverse-n2-v2/memory.json | 39 +-
> .../arch/arm64/arm/neoverse-n2-v2/metrics.json | 365 ++--
> .../arch/arm64/arm/neoverse-n2-v2/pipeline.json | 23 -
> .../arch/arm64/arm/neoverse-n2-v2/retired.json | 30 +
> .../arch/arm64/arm/neoverse-n2-v2/spe.json | 12 +-
> .../arm64/arm/neoverse-n2-v2/spec_operation.json | 110 +
> .../arch/arm64/arm/neoverse-n2-v2/stall.json | 30 +
> .../arch/arm64/arm/neoverse-n2-v2/sve.json | 50 +
> .../arch/arm64/arm/neoverse-n2-v2/tlb.json | 66 +
> .../arch/arm64/arm/neoverse-n2-v2/trace.json | 27 +-
> .../arm64/freescale/yitian710/sys/ali_drw.json | 373 ++++
> .../arm64/freescale/yitian710/sys/metrics.json | 20 +
> tools/perf/pmu-events/arch/arm64/sbsa.json | 24 +-
> .../pmu-events/arch/powerpc/power10/cache.json | 47 +-
> .../arch/powerpc/power10/floating_point.json | 66 +-
> .../pmu-events/arch/powerpc/power10/frontend.json | 197 +-
> .../pmu-events/arch/powerpc/power10/marked.json | 224 ++-
> .../pmu-events/arch/powerpc/power10/memory.json | 93 +-
> .../pmu-events/arch/powerpc/power10/metrics.json | 89 +-
> .../pmu-events/arch/powerpc/power10/others.json | 210 +-
> .../pmu-events/arch/powerpc/power10/pipeline.json | 292 ++-
> .../perf/pmu-events/arch/powerpc/power10/pmc.json | 198 +-
> .../arch/powerpc/power10/translation.json | 43 +-
> .../pmu-events/arch/x86/alderlake/adl-metrics.json | 11 +-
> .../arch/x86/alderlaken/adln-metrics.json | 2 +
> .../pmu-events/arch/x86/icelake/icl-metrics.json | 10 +-
> .../pmu-events/arch/x86/icelakex/icx-metrics.json | 10 +-
> tools/perf/pmu-events/arch/x86/mapfile.csv | 4 +-
> .../perf/pmu-events/arch/x86/meteorlake/cache.json | 165 ++
> .../arch/x86/meteorlake/floating-point.json | 8 +
> .../pmu-events/arch/x86/meteorlake/frontend.json | 56 +
> .../pmu-events/arch/x86/meteorlake/memory.json | 80 +
> .../perf/pmu-events/arch/x86/meteorlake/other.json | 16 +
> .../pmu-events/arch/x86/meteorlake/pipeline.json | 159 ++
> .../arch/x86/rocketlake/rkl-metrics.json | 10 +-
> .../pmu-events/arch/x86/sapphirerapids/other.json | 18 +
> .../arch/x86/sapphirerapids/spr-metrics.json | 9 +-
> .../pmu-events/arch/x86/skylake/skl-metrics.json | 2 +-
> .../pmu-events/arch/x86/tigerlake/tgl-metrics.json | 10 +-
> tools/perf/pmu-events/empty-pmu-events.c | 49 +-
> tools/perf/pmu-events/jevents.py | 330 ++-
> tools/perf/pmu-events/metric.py | 17 +-
> tools/perf/pmu-events/pmu-events.h | 15 +-
> tools/perf/scripts/python/Perf-Trace-Util/Build | 3 +-
> .../python/Perf-Trace-Util/lib/Perf/Trace/Util.py | 7 +-
> tools/perf/scripts/python/bin/gecko-record | 2 +
> tools/perf/scripts/python/bin/gecko-report | 7 +
> tools/perf/scripts/python/gecko.py | 395 ++++
> tools/perf/tests/.gitignore | 5 -
> tools/perf/tests/Build | 31 -
> tools/perf/tests/bpf-script-example.c | 60 -
> tools/perf/tests/bpf-script-test-kbuild.c | 21 -
> tools/perf/tests/bpf-script-test-prologue.c | 49 -
> tools/perf/tests/bpf-script-test-relocation.c | 51 -
> tools/perf/tests/bpf.c | 389 ----
> tools/perf/tests/builtin-test.c | 14 +-
> tools/perf/tests/clang.c | 32 -
> tools/perf/tests/config-fragments/README | 7 +
> tools/perf/tests/config-fragments/arm64 | 1 +
> tools/perf/tests/config-fragments/config | 11 +
> tools/perf/tests/dlfilter-test.c | 38 +-
> tools/perf/tests/expr.c | 5 +-
> tools/perf/tests/llvm.c | 219 --
> tools/perf/tests/llvm.h | 31 -
> tools/perf/tests/make | 1 -
> tools/perf/tests/mmap-basic.c | 6 +-
> tools/perf/tests/parse-events.c | 4 +-
> tools/perf/tests/pmu-events.c | 208 +-
> tools/perf/tests/pmu.c | 94 +-
> tools/perf/tests/shell/coresight/asm_pure_loop.sh | 2 +-
> .../tests/shell/coresight/memcpy_thread_16k_10.sh | 2 +-
> .../shell/coresight/thread_loop_check_tid_10.sh | 2 +-
> .../shell/coresight/thread_loop_check_tid_2.sh | 2 +-
> .../tests/shell/coresight/unroll_loop_thread_10.sh | 2 +-
> tools/perf/tests/shell/lib/probe.sh | 1 +
> tools/perf/tests/shell/lib/probe_vfs_getname.sh | 5 +-
> tools/perf/tests/shell/lib/stat_output.sh | 1 +
> tools/perf/tests/shell/lib/waiting.sh | 1 +
> tools/perf/tests/shell/lock_contention.sh | 12 +-
> tools/perf/tests/shell/probe_vfs_getname.sh | 4 +-
> tools/perf/tests/shell/record+zstd_comp_decomp.sh | 14 +-
> tools/perf/tests/shell/record_bpf_filter.sh | 134 ++
> tools/perf/tests/shell/record_offcpu.sh | 6 +-
> tools/perf/tests/shell/stat+csv_output.sh | 2 +-
> tools/perf/tests/shell/stat+csv_summary.sh | 4 +-
> tools/perf/tests/shell/stat+shadow_stat.sh | 4 +-
> tools/perf/tests/shell/stat+std_output.sh | 3 +-
> tools/perf/tests/shell/stat_bpf_counters.sh | 8 +-
> tools/perf/tests/shell/stat_bpf_counters_cgrp.sh | 28 +-
> tools/perf/tests/shell/test_arm_spe_fork.sh | 2 +-
> .../tests/shell/test_perf_data_converter_json.sh | 2 +-
> tools/perf/tests/shell/test_task_analyzer.sh | 2 +-
> tools/perf/tests/shell/trace+probe_vfs_getname.sh | 8 +-
> tools/perf/tests/stat.c | 2 +-
> tools/perf/tests/tests.h | 2 -
> tools/perf/trace/beauty/arch_errno_names.sh | 15 +-
> tools/perf/trace/beauty/beauty.h | 15 +-
> tools/perf/trace/beauty/mmap_flags.sh | 7 +-
> tools/perf/trace/beauty/mmap_prot.sh | 5 +-
> tools/perf/trace/beauty/x86_arch_prctl.sh | 6 +-
> tools/perf/ui/Build | 2 -
> tools/perf/ui/browser.c | 6 +-
> tools/perf/ui/browsers/Build | 5 -
> tools/perf/ui/browsers/hists.c | 60 +-
> tools/perf/ui/libslang.h | 20 +-
> tools/perf/ui/tui/helpline.c | 2 +-
> tools/perf/ui/tui/setup.c | 2 +-
> tools/perf/ui/tui/util.c | 12 +-
> tools/perf/util/Build | 72 +-
> tools/perf/util/amd-sample-raw.c | 1 -
> tools/perf/util/annotate.c | 10 +-
> tools/perf/util/bpf-filter.c | 14 +-
> tools/perf/util/bpf-filter.y | 2 +
> tools/perf/util/bpf-loader.c | 2110 --------------------
> tools/perf/util/bpf-loader.h | 216 --
> .../bpf_skel/augmented_raw_syscalls.bpf.c} | 53 +-
> tools/perf/util/bpf_skel/bench_uprobe.bpf.c | 23 +
> tools/perf/util/build-id.c | 6 +-
> tools/perf/util/c++/Build | 2 -
> tools/perf/util/c++/clang-c.h | 43 -
> tools/perf/util/c++/clang-test.cpp | 67 -
> tools/perf/util/c++/clang.cpp | 225 ---
> tools/perf/util/c++/clang.h | 27 -
> tools/perf/util/config.c | 4 -
> tools/perf/util/cs-etm.c | 14 +-
> tools/perf/util/dlfilter.c | 32 +
> tools/perf/util/env.c | 8 +-
> tools/perf/util/event.c | 30 +-
> tools/perf/util/event.h | 2 +
> tools/perf/util/evsel.c | 10 +-
> tools/perf/util/expr.c | 29 +-
> tools/perf/util/expr.h | 1 +
> tools/perf/util/expr.l | 1 +
> tools/perf/util/expr.y | 12 +-
> tools/perf/util/header.c | 52 +-
> tools/perf/util/libunwind/arm64.c | 2 -
> tools/perf/util/libunwind/x86_32.c | 2 -
> tools/perf/util/llvm-utils.c | 612 ------
> tools/perf/util/llvm-utils.h | 69 -
> tools/perf/util/lzma.c | 12 +-
> tools/perf/util/machine.c | 4 +-
> tools/perf/util/mem-events.c | 16 +-
> tools/perf/util/mem-events.h | 2 +-
> tools/perf/util/metricgroup.c | 10 +-
> tools/perf/util/parse-events.c | 723 +++----
> tools/perf/util/parse-events.h | 104 +-
> tools/perf/util/parse-events.l | 44 +-
> tools/perf/util/parse-events.y | 448 ++---
> tools/perf/util/perf-regs-arch/Build | 9 +
> tools/perf/util/perf-regs-arch/perf_regs_aarch64.c | 96 +
> tools/perf/util/perf-regs-arch/perf_regs_arm.c | 60 +
> tools/perf/util/perf-regs-arch/perf_regs_csky.c | 100 +
> .../perf/util/perf-regs-arch/perf_regs_loongarch.c | 91 +
> tools/perf/util/perf-regs-arch/perf_regs_mips.c | 87 +
> tools/perf/util/perf-regs-arch/perf_regs_powerpc.c | 145 ++
> tools/perf/util/perf-regs-arch/perf_regs_riscv.c | 92 +
> tools/perf/util/perf-regs-arch/perf_regs_s390.c | 96 +
> tools/perf/util/perf-regs-arch/perf_regs_x86.c | 98 +
> tools/perf/util/perf_regs.c | 772 +------
> tools/perf/util/perf_regs.h | 56 +-
> tools/perf/util/pmu.c | 934 ++++++---
> tools/perf/util/pmu.h | 122 +-
> tools/perf/util/pmu.y | 35 +-
> tools/perf/util/pmus.c | 326 +--
> tools/perf/util/pmus.h | 2 +
> tools/perf/util/print-events.h | 1 +
> tools/perf/util/probe-event.c | 30 +-
> tools/perf/util/probe-event.h | 1 -
> tools/perf/util/python-ext-sources | 9 +
> tools/perf/util/python.c | 5 +
> tools/perf/util/s390-sample-raw.c | 51 +-
> tools/perf/util/scripting-engines/Build | 3 +-
> tools/perf/util/session.c | 4 +-
> tools/perf/util/setup.py | 3 +
> tools/perf/util/stat-display.c | 4 +-
> tools/perf/util/stat.c | 2 +-
> tools/perf/util/svghelper.c | 2 +-
> tools/perf/util/symbol-elf.c | 2 +
> tools/perf/util/symbol.c | 15 +-
> tools/perf/util/synthetic-events.c | 2 +-
> tools/perf/util/thread.c | 13 +
> tools/perf/util/thread.h | 2 +
> tools/perf/util/unwind-libdw.c | 8 +-
> tools/perf/util/unwind-libunwind-local.c | 6 +-
> tools/perf/util/unwind.h | 8 -
> tools/scripts/utilities.mak | 20 +
> 286 files changed, 8081 insertions(+), 9121 deletions(-)
> delete mode 100644 tools/build/feature/test-clang.cpp
> delete mode 100644 tools/build/feature/test-cxx.cpp
> delete mode 100644 tools/build/feature/test-llvm-version.cpp
> delete mode 100644 tools/build/feature/test-llvm.cpp
> create mode 100644 tools/perf/arch/arm64/tests/cpuid-match.c
> create mode 100644 tools/perf/bench/uprobe.c
> create mode 100644 tools/perf/dlfilters/dlfilter-test-api-v2.c
> delete mode 100644 tools/perf/examples/bpf/5sec.c
> delete mode 100644 tools/perf/examples/bpf/empty.c
> delete mode 100644 tools/perf/examples/bpf/hello.c
> delete mode 100644 tools/perf/examples/bpf/sys_enter_openat.c
> create mode 100644 tools/perf/pmu-events/arch/arm64/ampere/ampereone/metrics.json
> delete mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/branch.json
> delete mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/cache.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/fp_operation.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/general.json
> delete mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/instruction.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/l1d_cache.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/l1i_cache.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/l2_cache.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/l3_cache.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/ll_cache.json
> delete mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/pipeline.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/retired.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/spec_operation.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/stall.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/sve.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/arm/neoverse-n2-v2/tlb.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/ali_drw.json
> create mode 100644 tools/perf/pmu-events/arch/arm64/freescale/yitian710/sys/metrics.json
> create mode 100644 tools/perf/scripts/python/bin/gecko-record
> create mode 100755 tools/perf/scripts/python/bin/gecko-report
> create mode 100644 tools/perf/scripts/python/gecko.py
> delete mode 100644 tools/perf/tests/.gitignore
> delete mode 100644 tools/perf/tests/bpf-script-example.c
> delete mode 100644 tools/perf/tests/bpf-script-test-kbuild.c
> delete mode 100644 tools/perf/tests/bpf-script-test-prologue.c
> delete mode 100644 tools/perf/tests/bpf-script-test-relocation.c
> delete mode 100644 tools/perf/tests/bpf.c
> delete mode 100644 tools/perf/tests/clang.c
> create mode 100644 tools/perf/tests/config-fragments/README
> create mode 100644 tools/perf/tests/config-fragments/arm64
> create mode 100644 tools/perf/tests/config-fragments/config
> delete mode 100644 tools/perf/tests/llvm.c
> delete mode 100644 tools/perf/tests/llvm.h
> create mode 100755 tools/perf/tests/shell/record_bpf_filter.sh
> delete mode 100644 tools/perf/util/bpf-loader.c
> delete mode 100644 tools/perf/util/bpf-loader.h
> rename tools/perf/{examples/bpf/augmented_raw_syscalls.c => util/bpf_skel/augmented_raw_syscalls.bpf.c} (91%)
> create mode 100644 tools/perf/util/bpf_skel/bench_uprobe.bpf.c
> delete mode 100644 tools/perf/util/c++/Build
> delete mode 100644 tools/perf/util/c++/clang-c.h
> delete mode 100644 tools/perf/util/c++/clang-test.cpp
> delete mode 100644 tools/perf/util/c++/clang.cpp
> delete mode 100644 tools/perf/util/c++/clang.h
> delete mode 100644 tools/perf/util/llvm-utils.c
> delete mode 100644 tools/perf/util/llvm-utils.h
> create mode 100644 tools/perf/util/perf-regs-arch/Build
> create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_aarch64.c
> create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_arm.c
> create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_csky.c
> create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_loongarch.c
> create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_mips.c
> create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_powerpc.c
> create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_riscv.c
> create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_s390.c
> create mode 100644 tools/perf/util/perf-regs-arch/perf_regs_x86.c
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