code: purgatorio

ref: 2183f9eaeca9fb5d57b637c15707e663caf33575
dir: /man/10/kprof/

View raw version
.TH KPROF 10.1
.SH NAME
kprof \- display kernel profiling data
.SH SYNOPSIS
.B kprof
.I kernel
.I kpdata
.SH DESCRIPTION
.I Kprof
presents the data accumulated by the kernel
profiling device,
.IR kprof (3) .
The symbol table is taken from the file
.IR kernel ,
the executable file of the operating system kernel that
was profiled.
The data file
.I kpdata
is usually a copy of
.BR /dev/kpdata
from the device running the profiling kernel.
.PP
The symbol table
is read and correlated with the
profile data.
For each symbol, the time (in milliseconds)
spent executing between that symbol
and the next
is printed (in decreasing order),
together with the percentage of the total time.
.SH SOURCE
.B /utils/kprof
.SH SEE ALSO
.IR kprof (3)