'\" t
.\"     Title: cg_diff
.\"    Author: [see the "Author" section]
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: 01/02/2024
.\"    Manual: cg_diff
.\"    Source: Release 3.20.0
.\"  Language: English
.\"
.TH "CG_DIFF" "1" "01/02/2024" "Release 3\&.20\&.0" "cg_diff"
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.SH "NAME"
cg_diff \- compares two Cachegrind output files
.SH "SYNOPSIS"
.HP \w'\fBcg_diff\fR\ 'u
\fBcg_diff\fR [\fIoptions\fR] \fIcachegrind\-out\-file1\fR \fIcachegrind\-out\-file2\fR
.SH "DESCRIPTION"
.PP
\fBcg_diff\fR
takes two output files produced by the Valgrind tool Cachegrind, computes the difference and prints the result in the same format that Cachegrinds outputs\&.
.SH "OPTIONS"
.PP
\fB\-h \-\-help \fR
.RS 4
Show the help message\&.
.RE
.PP
\fB\-\-version \fR
.RS 4
Show the version number\&.
.RE
.PP
\fB\-\-mod\-filename=<expr> [default: none]\fR
.RS 4
Specifies a Perl search\-and\-replace expression that is applied to all filenames\&. Useful for removing minor differences in paths between two different versions of a program that are sitting in different directories\&.
.RE
.PP
\fB\-\-mod\-funcname=<expr> [default: none]\fR
.RS 4
Like
\fB\-\-mod\-filename\fR, but for filenames\&. Useful for removing minor differences in randomized names of auto\-generated functions generated by some compilers\&.
.RE
.SH "SEE ALSO"
.PP
cg_annotate(1), valgrind(1),
$INSTALL/share/doc/valgrind/html/index\&.html
or
http://www\&.valgrind\&.org/docs/manual/index\&.html\&.
.SH "AUTHOR"
.PP
Nicholas Nethercote\&.