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This is the command perf-annotate that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



perf-annotate - Read perf.data (created by perf record) and display annotated code


perf annotate [-i <file> | --input=file] [symbol_name]


This command reads the input file and displays an annotated version of the code. If the
object file has debug symbols then the source code will be displayed alongside assembly

If there is no debug info in the object, then annotated assembly is displayed.


-i, --input=
Input file name. (default: perf.data unless stdin is a fifo)

-d, --dsos=<dso[,dso...]>
Only consider symbols in these dsos.

-s, --symbol=<symbol>
Symbol to annotate.

-f, --force
Don’t complain, do it.

-v, --verbose
Be more verbose. (Show symbol address, etc)

-D, --dump-raw-trace
Dump raw trace in ASCII.

-k, --vmlinux=<file>
vmlinux pathname.

-m, --modules
Load module symbols. WARNING: use only with -k and LIVE kernel.

-l, --print-line
Print matching source lines (may be slow).

-P, --full-paths
Don’t shorten the displayed pathnames.

Use the stdio interface.

Use the TUI interface. Use of --tui requires a tty, if one is not present, as when
piping to other commands, the stdio interface is used. This interfaces starts by
centering on the line with more samples, TAB/UNTAB cycles through the lines with more

Use the GTK interface.

-C, --cpu
Only report samples for the list of CPUs provided. Multiple CPUs can be provided as a
comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2.
Default is to report samples on all CPUs.

Show raw instruction encoding of assembly instructions.

Interleave source code with assembly code. Enabled by default, disable with

Look for files with symbols relative to this directory.

-M, --disassembler-style=
Set disassembler style for objdump.

Path to objdump binary.

Skip symbols that cannot be annotated.

Show event group information together

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