shithub: purgatorio

ref: 8a788aea84aad3bfbd5b39d78c1925654f3b9e14
dir: /man/10/kprof/

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.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)