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#compdef perf

local curcontext="$curcontext" curstate state line expl nm="$compstate[nmatches]"
local -a args opts cmd fields sortkeys
local -A exclude full short
local -i i skip

exclude=(
  --add \* --cgroup \* --definition \* --del \*
  --detailed \* --dlarg \* --dsos \* --event \* --events \*
  --fields \* --funcs \* --node-info \* --symbols \* --vars \*
  --gtk '(--stdio --stdio2 --tui)'
  --tui '(--gtk --stdio --stdio2)'
  --stdio '(--gtk --tui --stdio2)'
  --stdio2 '(--gtk --tui --stdio)'
  --log-fd '(--output)'
  --output '(--log-fd)'
  --tracer '(-G --graph-funcs -g --nograph-funcs -F --funcs)'
  --graph-funcs '(-g --nograph-funcs -N --notrace-funcs -T --trace-funcs -t --tracer)*'
  --nograph-funcs '(-G --graph-funcs -N --notrace-funcs -T --trace-funcs -t --tracer)*'
  --trace-funcs '(-N --notrace-funcs -G --graph-funcs -g --nograph-funcs -t --tracer)*'
  --notrace-funcs '(-T --trace-funcs -G --graph-funcs -g --nograph-funcs -t --tracer)*'
  --source '!(--no-source)'
)

full=(
  --addr-range '=[list traced records within address range]:range'
  --affinity '=[set affinity mask of trace reading thread]:affinity:(node cpu)'
  --aio '=[specify number of control blocks in asynchronous trace writing mode]:control blocks (1-4) [1]'
  --all-cgroups '[record cgroup events]'
  --all-cpus '[system-wide collection from all CPUs]'
  --asm-raw '[show raw instruction encoding of assembly instructions]'
  --aux-sample '=[sample AUX area]::options'
  --baseline-only '[show only items with match in baseline]'
  --branch-any '[sample any taken branches]'
  --branch-filter '=[enable taken branch stack sampling]:mask'
  --branch-stack '[use branch records for per branch histogram filling]'
  --buffer-size '=[size of per-cpu buffer]: :_numbers size B K M G'
  --build-ids '[inject build-ids into the output stream]'
  --buildid-all '[handle build-id of all DSOs]'
  --call-graph '=[enable call-graph (stacktrace) recording]:(fp dwarf)'
  --cgroup '=[monitor event in named cgroup only]:cgroup'
  --children '[accumulate callchains of children and show total overhead]'
  --clang-opt '=:clang option'
  --clang-path '=:clang binary:_command_names -e'
  --clockid '=[specify clockid to use for events]:clock id'
  --coalesce '=:coalesce field:_sequence compadd - pid tid iaddr dso'
  --color-cpus '=[highlight given CPUs in map]:cpus'
  --color-pids '=[highlight given pids in map]: :_sequence _pids'
  --column-widths '=[use fixed column widths]:widths (comma-separated)'
  --comms '=[restrict to specified comms]:comms'
  --compression-level '=[produce compressed trace  using specified level]:level (1-22) [1]'
  --compute '=[set comparison method]:comparison method [delta-abs]:(delta delta-abs ratio wdiff)'
  --control '=[listen on ctl-fd descriptor for command to control measurement]:descriptor'
  --count '=[specify event period]:period'
  --count-filter '=[only display functions with more than given number of events]:minimum number of events'
  --cpu '=[restrict to specified CPUs]:cpus'
  --cpus '=[restrict to specified CPUs]:cpus'
  --cycles-hist '[show cycles histogram and standard deviation]'
  --data '[record the sample addresses]'
  --data-page-size '[record the sampled data address data page size]'
  --definition '=[show trace-event definition converted from given probe-event]:event'
  --delay '=[specify delay before starting measurement after program start]:delay (ms)'
  --demangle '[demangle symbols]'
  --demangle-kernel '[demangle kernel symbols]'
  --detailed '[detailed run - start a lot of events]'
  --disassembler-style '=[specify disassembler style]:style'
  --dlarg '=:dlfilter argument'
  --dlfilter '=[filter sample events using the given shared object]:file:_files -g "*.so(-.)"'
  --dry-run '[parse options then exit]'
  --dsos '=[only consider symbols in these dsos]:dso'
  --dump-raw-trace '[dump raw trace in ASCII]'
  --dump-symtab '[dump the symbol table used for profiling]'
  --duration '=[show only events with duration over threshold]:minimum duration (ms)'
  --entries '=[specify how many functions to display]:number of functions'
  --event '=[select the PMU event]:event:->events'
  --exclude-other '[only display entries with parent-match]'
  --exclude-perf "[don't record events from perf itself]"
  --exec '=[specify path to executable or shared library]:file:_files'
  --expr '=[specify syscalls/events to trace]:syscall or event'
  --field-separator '=[specify field separator]:separator'
  --fields '=[specify output field]:field:->fields'
  --filter '=[event filter]:filter'
  --filter-pids '=[specify pids to filter]: :_sequence _pids'
  --for-each-cgroup '=[expand events for each cgroup]:cgroup'
  --force "[don't complain, do it]"
  --format '=[specify output formatting style]:style:(default simple)'
  --formula '[show formula]'
  --freq '=[specify profile frequency]:frequency (Hz)'
  --func-opts '=[specify function tracer options]:option:_sequence compadd - call-graph irq-info'
  --funcs '=[show available functions]::filter'
  --graph-funcs '=[select function_graph tracer and trace given functions]:function'
  --graph-function '=[only print symbols and callees with --call-trace/--call-ret-trace]:symbol list'
  --graph-opts '=[specify graph tracer options]: : _values -s , option nosleep-time noirqs verbose thresh\:duration depth\:depth'
  --group '=[show event group information together]'
  --group-sort-idx '=[sort output by specified event in group]:event index'
  --gtk '[use the graphical interface]'
  --guestkallsyms '=[provide copy of guest os /proc/kallsyms]:file:_files'
  --guestmodules '=[provide copy of guest os /proc/modules]:file:_files'
  --guestmount '=[specify guest os root file system mount directory]:path:_directories'
  --guestvmlinux '=[provide guest os kernel]:kernel file:_files'
  --hide_kernel_symbols '[hide kernel symbols]'
  --hide_user_symbols '[hide user symbols]'
  --hide-unresolved '[only display entries resolved to a symbol]'
  --hierarchy '[show entries in a hierarchy]'
  --ignore-callees '=[ignore callees of specified functions in call graphs]:functions (regex)'
  --ignore-vmlinux '[ignore vmlinux files]'
  --inherit '[trace child processes]'
  --input '=[specify input file]:file:_files'
  --interval-count '=[print counts for fixed number of times]:times'
  --interval-print '=[print counts at regular interval]:interval (ms)'
  --intr-regs '=[sample selected machine registers on interrupt]:register'
  --inverted '[alias for inverted call graph]'
  --iostat '=::default'
  --itrace '=[specify instruction tracing options]:option:->itrace-opts'
  --jit '[merge jitdump files into perf.data file]'
  --kallsyms '=[specify kallsyms pathname]:path:_files'
  --kcore '=[add specified kcore file to the cache]:file:_files'
  --kernel '[show running kernel build id]'
  --Latency '[show latency attributes (irqs/preemption disabled, etc)]'
  --list '[list all cached files]'
  --list-opts '[list available options]'
  --log-fd '=[log output to file descriptor instead of stderr]:file descriptor:_file_descriptors'
  --map-dump '=[specify BPF map to periodically dump]:BPF map'
  --max-blocks '=[set maximum number of code blocks to dump with brstackinsn]:blocks'
  --max-events '=[set maximum number of events to print]:events'
  --max-size '=[limit the maximum size of the output file]: :_numbers size B K M G'
  --max-stack '=[set maximum stack depth when parsing the callchain]:depth [kernel.perf_event_max_stack or 127]'
  --metrics '=[monitor specified metrics or metric groups]:metric'
  --min-stack '=[set minimum stack depth when parsing the callchain]:depth'
  --mmap-flush '=[specify minimum size that is extracted from mmap data pages]: :_numbers -d 1 -u bytes size B K M G'
  --mmap-pages '=[specify number of mmap data pages]:number of pages'
  --modules '[load module symbols]'
  --namespaces '[record namespaces events]'
  --no-bpf-event "[don't record bpf events]"
  --no-buildid "[don't collect buildids in perf.data]"
  --no-buildid-cache "[don't update the buildid cache]"
  --no-inherit "[child tasks don't inherit counters]"
  --no-samples "[don't sample]"
  --node-info '[show extra node info in report]'
  --nograph-funcs "=[select function_graph tracer and don't trace given functions]:function"
  --notrace-funcs "=[select function tracer and don't trace given functions]:function filter"
  --null "[null run - don't start any counters]"
  --num-thread-synthesize '=[specify number of threads to run for event synthesis]:threads'
  --objdump '=[specify objdump binary to use for disassembly and annotations]:path:_command_names -e'
  --order '=[specify compute sorting]:ordering [1]:((
    0\:baseline\ overhead
    1\:computed\ value\ of\ column\ 1))'
  --output '=[specify output file]:file:_files'
  --parent '=[filter by parent caller]:parent (regex)'
  --percent-limit "=[don't show entries under specified percentage]:percent"
  --percent-type '=[set annotation percent type]:compadd {local,global}{period,hits}'
  --percentage '=[set display of filtered entries percentages]:display:(relative absolute)'
  --phys-data '[record/report sample physical addresses]'
  --pid '=[restrict to specified process id]:process: _sequence _pids'
  --post '=[specify command to run after to the measured command]: :_cmdstring'
  --pre '=[specify command to run prior to the measured command]: :_cmdstring'
  --prefix '=[add prefix to source file path names]:prefix:_directories'
  --prefix-strip '=[strip elements from source file path names]:elements'
  --pretty '=[specify pretty printing style]:key:(normal raw)'
  --proc-map-timeout '=[specify per-thread proc mmap processing timeout]:timeout (ms)'
  --quiet "[don't print any messages]"
  --raw-samples '[collect raw sample records from all opened counters]'
  --raw-trace '[show raw trace event output]'
  --realtime '=[profile --addevents with specified priority]:RT SCHED_FIFO priority'
  --repeat '=[specify amount of times to repeat the run]:repetitions'
  --samples '=[specify number of samples to save per histogram entry for individual browsing]:samples'
  --sched-stat '[get details of how long tasks slept]'
  --show-cpu-utilization '[show sample percentage for different cpu modes]'
  --show-info '[display extended perf.data information]'
  --show-nr-samples '[show a column with the number of samples]'
  --show-on-off-events '[show the --switch-on/off events too]'
  --show-round-events '[display finished round events]'
  --show-switch-events '[display context switch events]'
  --show-total-period '[show a column with the sum of periods]'
  --skip-missing '--skip-missing[skip symbols that cannot be annotated]'
  --snapshot '=[select AUX area tracing snapshot mode]::snapshot capturing parameter'
  --socket-filter '=[only show processor socket that match specified filter]:filter'
  --sort '=[sort by specified keys]:key:->sort-keys'
  --stat '[per-thread counts]'
  --stdio '[use the stdio interface]'
  --stdio-color '=[specify when to use colors in output]:mode [always]:(always never auto)'
  --stdio2 '[use the stdio2 interface, non-interactive, TUI formatting]'
  --stitch-lbr '[enable LBR callgraph stitching approach]'
  --stop-bt '=[stop display of callgraph at these symbols]:symbol list'
  --stream '[enable hot streams comparison]'
  --strip '[strip non-synthesized events]'
  --summary '[show only syscall summary with statistics]'
  --switch-max-files '=[limit number of generated files to keep]:limit'
  --switch-off '=[stop considering events after occurrence of specified event]:event'
  --switch-on '=[consider events after occurrence of specified event]:event'
  --switch-output '=[specify when to rotate output file]::signal or size [USR2]:_signals'
  --switch-output-event '=[switch output event selector]:event:->events'
  --sym-annotate '=[specify symbol to annotate]:symbol'
  --symbol '=[specify symbol]:symbol'
  --symbol-filter '=[only show symbols that match filter]:filter'
  --symbols '=[only consider specified symbols]:symbol'
  --symfs '=[look symbol files relative to specified directory]:directory:_directories'
  --sync '[call sync() before starting a run]'
  --system '[read and write system config file]'
  --target-ns '=[obtain mount namespace information form the target pid]:pid:_processes'
  --td-level '=[set the metrics level for the top-down statistics]:level'
  --tid '=[restrict to specified threads]:tids'
  --time '=[specify time span of interest]:time span (start,stop)'
  --time-quantum '=[set time quantum for time sort key]: :_numbers -d 100ms "time quantum" ms us ns s'
  --timeout '=[stop workload and print counts after a timeout period]:timeout (ms)'
  --timestamp-filename '[append timestamp to output file name]'
  --trace-fields '[show tracepoint fields]'
  --trace-funcs '=[select function tracer and set function filter]:function filter'
  --tracer '=[specify tracer to use]:tracer:(function_graph function)'
  --tui '[use the curses interface]'
  --uid '=[profile events in threads owned by uid]:uid:_users'
  --user '[read and write user config file]'
  --user-regs '=[sample selected machine registers on interrupt]:registers'
  --vars '=[show available local variables at given probe point]:probe'
  --vcpu '=[specify vcpu id to report]:vcpu'
  --verbose '[be more verbose]'
  --vm-time-correlation '=[correlate time between VM guests and the host]::options'
  --vmlinux '=[specify vmlinux path]:vmlinux pathname:_files'
  --weight '[sample by weight (on special events only)]'
  --with-hits '[show only DSOs with hits]'
  --with-summary '[show all syscalls and summary with statistics]'
  --zero '[zero history across updates]'
)
short=(
  --add                -a
  --all-cpus           -a
  --baseline-only      -b
  --branch-any         -b
  --build-ids          -b
  --cpu                -C
  --coalesce           -c
  --compute            -c
  --count              -c
  --delay              -D
  --dump-raw-trace     -D
  --data               -d
  --dsos               -d
  --event              -e
  --fields             -F
  --formula            -F
  --freq               -F
  --funcs              -F
  --force              -f
  --cgroup             -G
  --graph-funcs        -G
  --with-hits          -H
  --intr-regs          -I
  --show-info          -I
  --input              -i
  --no-inherit         -i
  --branch-filter      -j
  --jit                -j
  --clockid            -k
  --key                -k
  --vmlinux            -k
  --list               -l
  --disassembler-style -M
  --buffer-size        -m
  --mmap-pages         -m
  --modules            -m
  --node-info          -N
  --no-buildid-cache   -N
  --no-samples         -n
  --show-nr-samples    -n
  --order              -o
  --output             -o
  --pid                -p
  --quiet              -q
  --raw-samples        -R
  --realtime           -r
  --repeat             -r
  --snapshot           -S
  --symbols            -S
  --with-summary       -S
  --sched-stat         -s
  --script             -s
  --sort               -s
  --summary            -s
  --timestamp          -T
  --tid                -t
  --tracer             -t
  --uid                -u
  --verbose            -v
  --weight             -W
  --column-widths      -w
  --field-separator    -x
  --compression-level  -z
  --zero               -z
)

cmd=( $words[1] )
(( $#words > 2 )) && ign='!'

_arguments -C -A "-*" \
  "${ign}(- *)"{-v,--version}'[display version information]' \
  "${ign}(- *)"{-h,--help}'[display usage information]' \
  "${ign}(- *)-vv[print the compiled-in status of libraries]" \
  '(- *)--exec-path[display or set exec path]' \
  '(- *)--html-path[display html documentation path]' \
  "${ign}(- *)--list-opts[list available options]" \
  "${ign}(- *)--list-cmds[list available subcommands]" \
  '!(-p --paginate --no-pager)'{-p,--paginate} \
  --no-pager \
  '--buildid-dir=[setup buildid cache directory]: :_directories' \
  '--debugfs-dir=[set debugfs directory]: :_directories' \
  '--debug=[setup debug variable]: : _values -s, "debug option"
    verbose\:level ordered-events data-convert stderr perf-event-open' \
  '1: :->subcmds' \
  '*:: :->args'

while (( $#state )); do
  curstate=$state
  shift state
  case $curstate in
    subcmds)
      subcmds=(
        ${${${(f)"$(_call_program subcmds $cmd)"}[3,-2]## ##}/ ##(#m)?/:$MATCH[-1]:l}
        'help:display help information about perf'
      )
      _describe 'subcommand' subcmds
    ;;
    subsubcmds)
      _description commands expl command
      compadd "$expl[@]" -a subcmds
    ;;
    args)
      (( $#words < 3 )) && ign=''
      cmd+=( $words[1] )
      curcontext="${curcontext%:*:*}:${(j.-.)cmd}:"
      args=()
      skip=0
      case ${(j.-.)cmd[2,-1]} in
        kvm-*|top|stat)
          full[--group]='[put the counters into a counter group]'
        ;|
        bench-[^-]##(|-all)) skip=1 opts=() subcmds=() ;|

        annotate)
          full+=(
            --full-paths "[don't shorten the displayed pathnames]"
            --print-line "[print matching source lines (may be slow)]"
          )
          short+=(
            --print-line -l
            --full-paths -P
            --symbol -s
          )
          args+=(
            "--no-source[don't interleave source code with assembly code]"
            '1:: :_guard "^-*" "symbol name"'
          )
        ;;

        archive)
          _arguments --help '1:file:_files'
          break
        ;;

        bench)
          short+=(
            --edge -E
            --format -f
            --nfds -f
            --group -g
            --iterations -i
            --loop -l
            --nr_loops -l
            --nr-mmaps -m
            --multiq -m
            --nested -N
            --noaffinity -n
            --nonblocking -B
            --nr-samples -n
            --pipe -p
            --randomize -R
             -fruntime -r
            --size -s
            --thread -t
            --threaded -T
          )
          args=(
            '1:subsystem:(sched syscall mem numa futex epoll internals all)'
            '*:: :->args'
          )
          full+=(
            --group '=[specify number of groups]:groups'
            --nr_loops '=[specify number of loops to run]:loops [100]'
            --pipe '[use pipe() instead of socketpair()]'
            --runtime '=[specify runtime]:runtime (seconds)'
            --thread '[be multi thread instead of multi process]'
            --threads '=[specify number of threads]:threads'
            --loop '=[specify number of loops]:loops'
            --iterations '=[number of iterations used to compute average]:iterarions'
            --threaded '[specify threads/process based task setup]'
            --size '=[specify size of memory buffers]: :_numbers -d 1MB size B KB MB GB TB'
          )
        ;;
        bench-sched) args=( '1:suite:(all messaging pipe)' '*:: :->args' ) ;;
        bench-numa) args=( '1:suite:(all mem)' '*:: :->args' ) ;;
        bench-mem) args=( '1:suite:(all memcpy memset find_bit)' '*:: :->args' ) ;;
        bench-futex)
          args=( '1:suite:(all hash wake wake-parallel requeue lock-pi)' '*:: :->args' )
        ;;
        bench-epoll) args=( '1:suite:(all wait ctl)' '*:: :->args' ) ;;
        bench-internals) args=( '1:suite:(all synthesize kallsyms-parse inject-build-id)' '*:: :->args' ) ;;
        bench-syscall) args=( '1:suite:(all basic)' '*:: :->args' ) ;;

        buildid-cache)
          full+=(
            --add '=[add specified file to the cache]:file:_files'
            --debuginfod '=[specify debuginfod URL to be used when retrieving perf.data binaries]:url:_urls'
            --missing '=[list missing build ids in the cache for the specified]:file:_files'
            --purge '=[purge all cached binaries including older caches which have specified path from the cache]:path:_files'
            --purge-all '[purge all cached binaries - flush out entire cache]'
            --remove '=[remove a cached binary which has same build-id of specified file from the cache]:file:_files'
            --update '=[update specified file of the cache]:file:_files'
          )
          short+=(
            --kcore -k
            --missing -M
            --purge -p
            --purge-all -P
            --remove -r
            --update -u
          )
        ;;
        c2c)
          args+=( '1:commands:(record report)' '*:: :->args' )
        ;;
        daemon)
          full+=(
            --base '=[specify base directory]:base directory:_directories'
            --config '=[specify config file path]:config file:_files'
            --foreground "[don't put process in background]"
            --session '=[apply to specific session]:session'
          )
          short[--foreground]=-f
          args=( '1:action:(start stop signal ping)' '*:: :->args' )
        ;;
        (kvm-|)buildid-list)
          short[--kernel]=-k
        ;;
        config)
          full[--list]='[show current config variables]'
        ;;
        data)
          full+=(
            --all '[convert all events]'
            --to-json '=[convert to JSON format]:output file:_files'
            --to-ctf '=[convert to CTF format]:output file:_files'
            --tod '[convert time to wall clock time]'
          )
          exclude+=(
            --to-ctf '(--to-json)'
            --to-json '(--to-ctf)'
          )
        ;;
        (kvm-|)diff)
          short+=(
            --baseline-only -b
            --compute -c
            --comms -C
            --field-separator -t
            --formula -F
            --order -o
            --period -p
          )
          full+=(
            --period '[show period values]'
          )
          unset 'short[--pid]'
          unset 'short[--tid]'
          sortkeys=( pid comm dso symbol cpu parent srcline )
        ;;
        evlist)
          short+=( --group -g )
        ;;
        ftrace)
          short+=(
            --nograph-funcs -g
            --graph-funcs -G
            --buffer-size -m
            --notrace-funcs -N
            --trace-funcs -T
            --tracer -t
          )
          unset 'short[--tid]'
        ;;
        help*)
          short+=( -a --all -i --info -m --man -w --web )
        ;;
        inject)
          short+=( --jit -j --build-ids -b --sched-stat -s )
        ;;
        kmem)
          full+=(
            --alloc '[show per-allocation statistics]'
            --caller '[show per-callsite statistics]'
            --raw-ip '[show raw ip instead of symbol]'
            --line '=[show specified number of lines]:lines'
            --live '[show live page stat]'
            --slab '[analyze SLAB allocator events]'
            --page '[analyze page allocator events]'
          )
          short[--line]=-l
          sortkeys=(
            ptr callsite bytes hit pingpong frag
            page order migtype gfp
          )
        ;;
        list)
          short+=( --desc -d --long-desc -v )
          full+=(
            --desc '[print extra event descriptions]'
            --details '[print information on the perf event names and expressions used internally by events]'
            --long-desc '[print longer event descriptions]'
          )
          args=( '*::events:->event-types' )
        ;;
        lock-info)
          short[--map]=-m
          short[--threads]=-t
          full+=(
            --map '[dump map of lock instances (address:name table)]'
            --threads '[dump thread list in perf.data]'
          )
        ;;
        lock-report)
          full[--key]='=[specify sort key]:key [acquired]:(acquired contended avg_wait wait_total wait_max wait_min)'
        ;;
        mem)
          short[--phys-data]=-p
          short[--type]=-t
          short[--dump-raw-samples]=-D
          full[--type]='=[select the memory operation type]:type:(load store)'
          full[--dump-raw-samples]='[dump raw samples in ASCII]'
        ;;
        probe)
          full+=(
            --add '=[probe point definition]:probe'
            --del '=[delete a probe event]:probe event'
            --filter '=[set a filter]:filter'
            --line '[show source code lines which can be probed]'
            --max-probes '=[set how many probe points can be found for a probe]:probes'
            --module '=[specify target module name or path]:module name or path:_directories'
            --range '[show variables location range in scope]'
            --source '=[specify path to kernel source]:path:_directories'
          )
          short+=(
            --definition -D
            --del -d
            --exec -x
            --line -L
            --module -m
            --dry-run -n
            --source -s
            --vars -V
          )
          unset 'exclude[--source]'
          unset 'short[--list]'
        ;;
        timechart-record)
          short+=( --io-only -I --callchain -g )
          full+=(
            --callchain '[record callchain]'
            --io-only '[record only IO data]'
          )
        ;;
        *record)
          short+=(
            --data -d
            --clockid -k
            --no-samples -n
            --no-buildid -B
            --no-buildid-cache -N
            --period -P
            --stat -s
          )
          full+=(
            --overwrite '[use overwrite mode]'
            --period '[record the sample period]'
            --timestamp '[record the sample timestamps]'
            --transaction '[sample transaction flags (special events only)]'
          )
        ;;
        (c2c-|kvm-|)report)
          short+=(
            --branch-stack -b
            --comms -c
            --inverted -G
            --call-graph -g
            --parent -p
            --threads -T
            --field-separator -t
            --exclude-other -x
          )
          full+=(
            --threads '[show per-thread event counters]'
          )
          unset 'short[--pid]'
          unset 'short[--tid]'
          sortkeys=(
            pid comm dso symbol parent cpu socket srcline weight local_weight cgroup_id
          )
          fields=(
	    overhead period sample overhead overhead_sys overhead_us
	    overhead_guest_sys overhead_guest_us overhead_children
	    sample period pid comm dso symbol parent cpu socket
	    srcline srcfile local_weight weight transaction trace
	    symbol_size dso_size cgroup cgroup_id ipc_null time
	    code_page_size local_ins_lat ins_lat p_stage_cyc dso_from
	    dso_to symbol_from symbol_to mispredict abort in_tx
	    cycles srcline_from srcline_to ipc_lbr symbol_daddr
	    dso_daddr locked tlb mem snoop dcacheline symbol_iaddr
	    phys_daddr data_page_size blocked
          )
        ;;
        sched-latency)
          short+=(
            --CPU -C
            --pids -p
          )
          full+=(
            --pids '[latency stats per pid instead of per comm]'
            --CPU '=[specify CPU to profile on]:cpu'
          )
        ;;
        sched-timehist)
          short+=(
            --idle-hist -I
            --migrations -M
            --next -n
            --cpu-visual -V
            --wakeups -w
          )
          full+=(
            --cpu-visual '[add CPU visual]'
            --idle-hist '[show idle events only]'
            --migrations '[show migration events]'
            --next '[show next task]'
            --state '[show task state when sched-out]'
            --wakeups '[show wakeup events]'
          )
        ;;
        (*-|)script)
          short+=( --comms -c --gen-script -g --Latency -L --debug-mode -d )
          full+=(
            --debug-mode '[do various checks like samples ordering and lost events]'
            --gen-script '=[generate perf-script.xx script in specified language]:language'
            --script '=[specify script file name]:script file name:_files'
          )
          unset 'short[--pid]'
          unset 'short[--dsos]'
          unset 'short[--tid]'
          fields=(
	    comm tid pid time cpu event trace ip sym dso addr symoff
	    srcline period iregs uregs brstack brstacksym flags
	    bpf-output brstackinsn brstackoff callindent insn insnlen
	    synth phys_addr metric misc ipc tod data_page_size
	    code_page_size
          )
        ;;
        *stat*)
          full+=(
            --big-num "[print large numbers with thousands' separators]"
            --delay '=[wait after starting program]:delay (msecs)'
            --key '=[specify key for sorting]:key:(sample time)'
            --no-aggr '[disable CPU count aggregation]'
            --transaction '[hardware transaction statistics]'
          )
          short+=(
            --no-aggr -A
            --big-num -B
            --detailed -d
            --group -g
            --interval-print -I
            --metrics -M
            --null -n
            --sync -S
            --transaction -T
          )
          exclude+=(
            --log-fd '(-o --output)'
            --output '(--log-fd)'
          )
          unset 'short[--quiet]'
        ;;
        test*)
          short+=( --dont-fork -F --skip -s )
          full+=(
            --dont-fork "[don't fork for testcase]"
            --skip '=[specify tests to skip]:test'
          )
        ;;
        timechart)
          short+=( --width -w --topology -t --proc-num -n --process -p )
          full+=(
            --highlight '=[highlight tasks that outlast duration or with given name]:duration or name'
            --io-skip-eagain "[don't draw EAGAIN IO events]"
            --io-min-time '=[all IO faster than minimum time will visually appear longer]: :_numbers -u ns -d 1ms time ms us'
            --io-merge-dist '=[merge events that are within specified time]: :_numbers -u ns -d 1us time ms us'
            --process '=[select process]:process:_pids'
            --proc-num '=[specify minimum number of tasks to print]:tasks'
            --topology '[sort CPUs according to topology]'
            --width '=[specify page width]:page width'
          )
        ;;
        (kvm-|)top)
          full+=(
            --delay '=[specify delay between refreshes]:delay (seconds)'
            --comms '=[only consider symbols in specified comms]:comm'
            --dsos '=[only consider symbols in these dsos]:dso'
            --overwrite '[use a backward ring buffer]'
          )
          short+=(
            --count-filter -f
            --delay -d
            --dump-symtab -D
            --entries -E
          )
          unset 'short[--dsos]'
          unset 'short[--fields]'
          unset 'short[--force]'
          unset 'short[--symbols]'
          sortkeys=(
            pid comm dso symbol parent srcline weight local_weight
            abort in_tx transaction overhead sample period
          )
          fields=( overhead period sample $sortkeys )
        ;;
        trace)
          short+=(
            --pf -F
            --summary -s
            --time -T
          )
          full+=(
            --pf '=[trace pagefaults]::type [maj]:(all min maj)'
            --time '[show full timestamp, not relative]'
          )
          unset 'short[--no-inherit]'
        ;;
      esac
      if (( !skip )); then
        subcmds=( $(_call_program commands "$cmd --list-cmds|grep -v -e '^#' -e Unknown") )
        opts=( $(_call_program options "$cmd --list-opts|grep -v -e '^#' -e Unknown") )
      fi

      for (( i = $#opts; i; i-- )); do
        opts[i]=(
          ${exclude[$opts[i]]}${opts[i]}${full[$opts[i]]}
          ${short[$opts[i]]:+${exclude[$opts[i]]}${short[$opts[i]]}${full[$opts[i]]/(#s)=/+}}
        )
      done
      (( $#subcmds)) && opts+=(
        "${ign}(- *)--list-cmds[list available subcommands]" \
        '1: :->subsubcmds'
        '*:: :->args'
      )
      (( $#opts )) && opts+=(
        "${ign}(- *)--help[display help information]"
        "${ign}(- *)--list-opts[list available options]"
      )
      _arguments -C $opts $args \
        "${ign}(- *)-h[display brief usage summary]"
    ;;
    event-types)
      _wanted event-types expl 'event type' compadd - hw sw cache pmu tracepoint event_glob
    ;&
    events)
      _wanted events expl event compadd - \
        ${${=${${(f)"$(_call_program events perf list hw sw cache pmu tracepoint event_glob)"}[2,-5]#  }%% [ \[]*}:#OR}
    ;;
    itrace-opts)
      _values -s '' "itrace option [ibxwpe]" \
        'i[synthesize instructions events]' \
        'b[synthesize branches events (branch misses for Arm SPE)]' \
        'c[synthesize branches events (calls only)]' \
        'r[synthesize branches events (returns only)]' \
        'x[synthesize transactions events]' \
        'w[synthesize ptwrite events]' \
        'p[synthesize power events (incl. PSB events for Intel PT)]' \
        'o[synthesize other events recorded due to the use of aux-output]' \
        'e[synthesize error events]' \
        'd[create a debug log]' \
        'f[synthesize first level cache events]' \
        'm[synthesize last level cache events]' \
        'M[synthesize memory events]' \
        't[synthesize TLB events]' \
        'a[synthesize remote access events]' \
        'g[synthesize a call chain (use with i or x)]' \
        'G[synthesize a call chain on existing event records]' \
        'l[synthesize last branch entries (use with i or x)]' \
        'L[synthesize last branch entries on existing event records]' \
        's[skip initial number of events]' \
        'q[quicker (less detailed) decoding]' \
        'Z[prefer to ignore timestamps (so-called "timeless" decoding)]'
    ;;
    fields)
      _sequence _wanted fields expl 'field' compadd - -a fields
    ;;
    sort-keys)
      _sequence _wanted sort-keys expl 'sort key' compadd - -a sortkeys
    ;;
  esac
done

[[ nm -ne compstate[nmatches] ]]
debug log:

solving dd9621606 ...
found dd9621606 in https://git.vuxu.org/mirror/zsh/

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