.TH PERF 1 "4 July 2010"
.SH NAME
perf \- performance analysis tools for Linux
.SH SYNOPSIS
.HP
\fBperf\fR [\fB\-\-version\fR] [\fB\-\-help\fR] \fICOMMAND\fR [\fIARGS\fR]
.SH DESCRIPTION
.LP
Performance counters for Linux are are a new kernel\-based subsystem
that provide a framework for all things performance analysis.  It
covers hardware level (CPU/PMU, Performance Monitoring Unit) features
and software features (software counters, tracepoints) as well.
.LP
Each version of the perf tools may depend on new kernel features, so
you must install a different version for each kernel version.  The
\fBperf\fR command will automatically run the correct version for the
running kernel version.
.SH SEE ALSO
perf_\fIversion\fR(1)