Lines Matching +full:output +full:- +full:disable
1 perf-report(1)
5 ----
6 perf-report - Read perf.data (created by perf record) and display the profile
9 --------
11 'perf report' [-i <file> | --input=file]
14 -----------
19 -------
20 -i::
21 --input=::
24 -v::
25 --verbose::
28 -q::
29 --quiet::
30 Do not show any warnings or messages. (Suppress -v)
32 -n::
33 --show-nr-samples::
36 --show-cpu-utilization::
39 -T::
40 --threads::
41 Show per-thread event counters. The input data file should be recorded
42 with -s option.
43 -c::
44 --comms=::
47 the overhead column. See --percentage for more info.
48 --pid=::
51 --tid=::
53 -d::
54 --dsos=::
57 the overhead column. See --percentage for more info.
58 -S::
59 --symbols=::
62 the overhead column. See --percentage for more info.
64 --symbol-filter=::
67 -U::
68 --hide-unresolved::
71 -s::
72 --sort=::
73 Sort histogram entries by given key(s) - multiple keys can be specified
80 - comm: command (name) of the task which can be read via /proc/<pid>/comm
81 - pid: command and tid of the task
82 - dso: name of library or module executed at the time of sample
83 - dso_size: size of library or module executed at the time of sample
84 - symbol: name of function executed at the time of sample
85 - symbol_size: size of function executed at the time of sample
86 - parent: name of function matched to the parent regex filter. Unmatched
88 - cpu: cpu number the task ran at the time of sample
89 - socket: processor socket number the task ran at the time of sample
90 - srcline: filename and line number executed at the time of sample. The
92 - srcfile: file name of the source file of the samples. Requires dwarf
94 - weight: Event specific weight, e.g. memory latency or transaction
96 - local_weight: Local weight version of the weight above.
97 - cgroup_id: ID derived from cgroup namespace device and inode numbers.
98 - cgroup: cgroup pathname in the cgroupfs.
99 - transaction: Transaction abort flags.
100 - overhead: Overhead percentage of sample
101 - overhead_sys: Overhead percentage of sample running in system mode
102 - overhead_us: Overhead percentage of sample running in user mode
103 - overhead_guest_sys: Overhead percentage of sample running in system mode
105 - overhead_guest_us: Overhead percentage of sample running in user mode on
107 - sample: Number of sample
108 - period: Raw number of event count of sample
109 - time: Separate the samples by time stamp with the resolution specified by
110 --time-quantum (default 100ms). Specify with overhead and before it.
111 - code_page_size: the code page size of sampled code address (ip)
112 - ins_lat: Instruction latency in core cycles. This is the global instruction
114 - local_ins_lat: Local instruction latency version
115 - p_stage_cyc: On powerpc, this presents the number of cycles spent in a
117 - addr: (Full) virtual address of the sampled instruction
118 - retire_lat: On X86, this reports pipeline stall of this instruction compared
120 …- simd: Flags describing a SIMD operation. "e" for empty Arm SVE predicate. "p" for partial Arm SV…
121 - type: Data type of sample memory access.
122 - typeoff: Offset in the data type of sample memory access.
123 - symoff: Offset in the symbol.
126 (i.e. --sort comm,dso,symbol)
128 If --branch-stack option is used, following sort keys are also
131 - dso_from: name of library or module branched from
132 - dso_to: name of library or module branched to
133 - symbol_from: name of function branched from
134 - symbol_to: name of function branched to
135 - srcline_from: source file and line branched from
136 - srcline_to: source file and line branched to
137 - mispredict: "N" for predicted branch, "Y" for mispredicted branch
138 - in_tx: branch in TSX transaction
139 - abort: TSX transaction abort.
140 - cycles: Cycles in basic block
143 and symbol_to, see '--branch-stack'.
153 If the --mem-mode option is used, the following sort keys are also available
154 (incompatible with --branch-stack):
157 - symbol_daddr: name of data symbol being executed on at the time of sample
158 - dso_daddr: name of library or module containing the data being executed
160 - locked: whether the bus was locked at the time of the sample
161 - tlb: type of tlb access for the data at the time of the sample
162 - mem: type of memory access for the data at the time of the sample
163 - snoop: type of snoop (if any) for the data at the time of the sample
164 - dcacheline: the cacheline the data address is on at the time of the sample
165 - phys_daddr: physical address of data being executed on at the time of sample
166 - data_page_size: the data page size of data being executed on at the time of sample
167 - blocked: reason of blocked load access for the data at the time of the sample
171 see '--mem-mode'.
177 - trace: pretty printed trace output in a single column
178 - trace_fields: fields in tracepoints in separate columns
179 - <field name>: optional event and field name for a specific field
191 and shows raw field value like hex numbers. The --raw-trace option
197 -F::
198 --fields=::
199 Specify output field - multiple keys can be specified in CSV format.
204 By default, every sort keys not specified in -F will be appended
208 field(s) to the default field order. For example: perf report -F +period,sample.
210 -p::
211 --parent=<regex>::
215 defaults to "\^sys_|^do_page_fault", see '--sort parent'.
217 -x::
218 --exclude-other::
219 Only display entries with parent-match.
221 -w::
222 --column-widths=<width[,width...]>::
226 -t::
227 --field-separator=::
229 all occurrences of this separator in symbol names (and other output)
232 -D::
233 --dump-raw-trace::
236 --disable-order::
237 Disable raw trace ordering.
239 -g::
240 --call-graph=<print_type,threshold[,print_limit],order,sort_key[,branch],value>::
247 - flat: single column, linear exposure of call chains.
248 - graph: use a graph tree, displaying absolute overhead rates. (default)
249 - fractal: like graph, but displays relative rates. Each branch of
251 - folded: call chains are displayed in a line, separated by semicolons
252 - none: disable call chain display.
255 included in the output call graph. Default is 0.5 (%).
263 - callee: callee based call graph.
264 - caller: inverted caller based call graph.
265 Default is 'caller' when --children is used, otherwise 'callee'.
268 - function: compare on functions (default)
269 - address: compare on individual code addresses
270 - srcline: compare on source filename and line number
273 - branch: include last branch information in callgraph when available.
274 Usually more convenient to use --branch-history for this.
277 - percent: display overhead percent (default)
278 - period: display event period
279 - count: display event count
281 --children::
283 show up in the output. The output will have a new "Children" column
286 default, disable with --no-children.
288 --max-stack::
290 beyond the specified depth will be ignored. This is a trade-off
293 Note that when using the --itrace option the synthesized callchain size
298 -G::
299 --inverted::
302 --ignore-callees=<regex>::
305 function into one place in the call-graph tree.
307 --pretty=<key>::
310 --stdio:: Use the stdio interface.
312 --stdio-color::
313 'always', 'never' or 'auto', allowing configuring color output
315 Use '--stdio-color always' to generate color even when redirecting
316 to a pipe or file. Using just '--stdio-color' is equivalent to
319 --tui:: Use the TUI interface, that is integrated with annotate and allows
320 zooming into DSOs or threads, among other features. Use of --tui
324 --gtk:: Use the GTK2 interface.
326 -k::
327 --vmlinux=<file>::
330 --ignore-vmlinux::
333 --kallsyms=<file>::
336 -m::
337 --modules::
338 Load module symbols. WARNING: This should only be used with -k and
341 -f::
342 --force::
345 --symfs=<directory>::
348 -C::
349 --cpu:: Only report samples for the list of CPUs provided. Multiple CPUs can
350 be provided as a comma-separated list with no space: 0,1. Ranges of
351 CPUs are specified with -: 0-2. Default is to report samples on all
354 -M::
355 --disassembler-style=:: Set disassembler style for objdump.
357 --source::
359 disable with --no-source.
361 --asm-raw::
364 --show-total-period:: Show a column with the sum of periods.
366 -I::
367 --show-info::
372 -b::
373 --branch-stack::
375 address to build the histograms. To generate meaningful output, the
376 perf.data file must have been obtained using perf record -b or
377 perf record --branch-filter xxx where xxx is a branch filter option.
378 perf report is able to auto-detect whether a perf.data file contains
380 unless --no-branch-stack is used.
382 --branch-history::
385 The data collection must have used -b (or -j) and -g.
387 --addr2line=<path>::
390 --objdump=<path>::
393 --prefix=PREFIX::
394 --prefix-strip=N::
399 --group::
400 Show event group information together. It forces group output also
403 --group-sort-idx::
404 Sort the output by the event at the index n in group. If n is invalid,
408 --demangle::
410 disable with --no-demangle.
412 --demangle-kernel::
415 --mem-mode::
417 to build the histograms. To generate meaningful output, the perf.data
418 file must have been obtained using perf record -d -W and using a
419 special event -e cpu/mem-loads/p or -e cpu/mem-stores/p. See
422 --percent-limit::
427 --call-graph option for details.
429 --percentage::
431 Filters can be applied by --comms, --dsos and/or --symbols options and
438 --header::
442 --stdio output supports this feature.
444 --header-only::
445 Show only perf.data header (forces --stdio).
447 --time::
453 requires the argument to be quoted e.g. --time "1234.567,1234.789 1235,"
456 'a%/n,b%/m,...' or 'a%-b%,c%-%d,...'.
461 perf report --time 10%/2
465 perf report --time 0%-10%
469 perf report --time 10%/1,10%/2
473 perf report --time 0%-10%,30%-40%
475 --switch-on EVENT_NAME::
482 --switch-off EVENT_NAME::
485 --show-on-off-events::
486 Show the --switch-on/off events too. This has no effect in 'perf report' now
487 but probably we'll make the default not to show the switch-on/off events
488 on the --group mode and if there is only one event besides the off/on ones,
492 --itrace::
497 To disable decoding entirely, use --no-itrace.
499 --full-source-path::
500 Show the full path for source files for srcline output.
502 --show-ref-call-graph::
506 So user can use "call-graph=no" event modifier to disable callgraph
509 disable the callgraph.
513 --stitch-lbr::
516 perf record --call-graph lbr.
519 output. But this approach is not foolproof. There can be cases
524 --socket-filter::
527 --samples=N::
531 --raw-trace::
532 When displaying traceevent output, do not use print fmt or plugins.
534 --hierarchy::
535 Enable hierarchical output.
537 --inline::
540 default, disable with --no-inline.
542 --mmaps::
543 Show --tasks output plus mmap information in a format similar to
547 are include 'perf record --data', for instance.
549 --ns::
552 --stats::
554 (like the one at the end of the perf report -D command)
556 --tasks::
560 --percent-type::
562 global-period, local-period, global-hits, local-hits
567 on - the samples period or the number of samples (hits).
569 --time-quantum::
573 --total-cycles::
574 When --total-cycles is specified, it supports sorting for all blocks by
576 blocks. In output, there are some new columns:
578 'Sampled Cycles%' - block sampled cycles aggregation / total sampled cycles
579 'Sampled Cycles' - block sampled cycles aggregation
580 'Avg Cycles%' - block average sampled cycles / sum of total block average
582 'Avg Cycles' - block average sampled cycles
584 --skip-empty::
585 Do not print 0 results in the --stat output.
587 include::callchain-overhead-calculation.txt[]
590 --------
591 linkperf:perf-stat[1], linkperf:perf-annotate[1], linkperf:perf-record[1],
592 linkperf:perf-intel-pt[1]