.TH hotkernel 1m "$Date: 2015/09/30 22:01:09 $" "USER COMMANDS" .SH NAME hotkernel - sample on-CPU kernel-level functions and modules. .SH SYNOPSIS .B hotkernel [\-hm] .SH DESCRIPTION This samples the on-CPU function at 1001 Hertz, for a simple yet effective kernel-level profiling tool for sampling exclusive function time. The output will identify which function is on the CPU the most - which is the hottest. See Notes/ALLexclusive_notes.txt for an explanation of exclusive time. .SH OS Solaris .SH STABILITY stable - Written using Perl and DTrace (Solaris 10 03/05) .SH EXAMPLES .TP Sample kernel functions, # .B hotkernel .PP .TP Sample kernel modules, # .B hotkernel \-m .PP .SH DOCUMENTATION See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs may include full worked examples with verbose descriptions explaining the output. .SH EXIT hotkernel will run until Ctrl-C is hit. .SH AUTHOR Brendan Gregg [CA, USA] .SH SEE ALSO dtrace(1M), hotuser(1M) |