'\" t
.\"     Title: perf-kmem
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.76.1 <http://docbook.sf.net/>
.\"      Date: 06/24/2012
.\"    Manual: perf Manual
.\"    Source: perf
.\"  Language: English
.\"
.TH "PERF_3.2\-KMEM" "1" "06/24/2012" "perf" "perf Manual"
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.SH "NAME"
perf-kmem \- Tool to trace/measure kernel memory(slab) properties
.SH "SYNOPSIS"
.sp
.nf
\fIperf kmem\fR {record|stat} [<options>]
.fi
.SH "DESCRIPTION"
.sp
There are two variants of perf kmem:
.sp
.if n \{\
.RS 4
.\}
.nf
\*(Aqperf kmem record <command>\*(Aq to record the kmem events
of an arbitrary workload\&.
.fi
.if n \{\
.RE
.\}
.sp
.if n \{\
.RS 4
.\}
.nf
\*(Aqperf kmem stat\*(Aq to report kernel memory statistics\&.
.fi
.if n \{\
.RE
.\}
.SH "OPTIONS"
.PP
\-i <file>, \-\-input=<file>
.RS 4
Select the input file (default: perf\&.data)
.RE
.PP
\-\-caller
.RS 4
Show per\-callsite statistics
.RE
.PP
\-\-alloc
.RS 4
Show per\-allocation statistics
.RE
.PP
\-s <key[,key2\&...]>, \-\-sort=<key[,key2\&...]>
.RS 4
Sort the output (default: frag,hit,bytes)
.RE
.PP
\-l <num>, \-\-line=<num>
.RS 4
Print n lines only
.RE
.PP
\-\-raw\-ip
.RS 4
Print raw ip instead of symbol
.RE
.SH "SEE ALSO"
.sp
\fBperf_3.2-record\fR(1)