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| author | George V. Neville-Neil <gnn@FreeBSD.org> | 2012-05-12 20:38:18 +0000 |
|---|---|---|
| committer | George V. Neville-Neil <gnn@FreeBSD.org> | 2012-05-12 20:38:18 +0000 |
| commit | 055173dba4a263acf10325a49eebf82915369ed2 (patch) | |
| tree | aec2772e8855e6dbaea6d8136ed0c47bcb825dee /Man/man1m/hotkernel.1m | |
| parent | 87c8f7aa3a46118212b99f0d58b18aa93c06b02a (diff) | |
Notes
Diffstat (limited to 'Man/man1m/hotkernel.1m')
| -rw-r--r-- | Man/man1m/hotkernel.1m | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Man/man1m/hotkernel.1m b/Man/man1m/hotkernel.1m new file mode 100644 index 000000000000..49772b6ae1ee --- /dev/null +++ b/Man/man1m/hotkernel.1m @@ -0,0 +1,39 @@ +.TH hotkernel 1m "$Date:: 2007-09-24 #$" "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) |