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gprof — Performance analysis tool for many programming languages. It profiles the function executions of a p

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Problem

How to use the gprof command: Performance analysis tool for many programming languages. It profiles the function executions of a program. More information: <https://ftp.gnu.org/old-gnu/Manuals/gprof/html_mono/gprof.html>.

Solution

gprof — Performance analysis tool for many programming languages. It profiles the function executions of a program. More information: <https://ftp.gnu.org/old-gnu/Manuals/gprof/html_mono/gprof.html>.

Compile binary to default a.out with gprof information and run it to get gmon.out:
gcc {{[-p|-pg]}} {{program.c}} && ./a.out


Run gprof on default a.out and gmon.out to obtain profile output:
gprof


Run gprof on a named binary:
gprof {{path/to/binary}} {{path/to/gmon.out}}


Suppress profile field's description:
gprof {{[-b|--brief]}}


Display routines that have zero usage:
gprof {{[-bz|--brief --display-unused-functions]}}

Code Snippets

Compile binary to default `a.out` with gprof information and run it to get `gmon.out`

gcc {{[-p|-pg]}} {{program.c}} && ./a.out

Run gprof on default `a.out` and `gmon.out` to obtain profile output

gprof

Run gprof on a named binary

gprof {{path/to/binary}} {{path/to/gmon.out}}

Suppress profile field's description

gprof {{[-b|--brief]}}

Display routines that have zero usage

gprof {{[-bz|--brief --display-unused-functions]}}

Context

tldr-pages: common/gprof

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