#!/usr/sbin/dtrace -Cs
/*
* kstat_types.d - Trace kstat reads with type info.
* Written using DTrace (Solaris 10 3/05)
*
* kstat is the Kernel Statistics framework, which is used by tools
* such as vmstat, iostat, mpstat and sar. Try running vmstat while
* kstat_types.d is tracing - you should see details of the kstat
* reads performed.
*
* $Id: kstat_types.d 3 2007-08-01 10:50:08Z brendan $
*
* USAGE: kstat_types.d (early release, check for updates)
*
* FIELDS:
* CMD command name
* CLASS kstat class (ks_class)
* TYPE kstat type as a string (ks_type)
* MOD:INS:NAME kstat module:instance:name
*
* COPYRIGHT: Copyright (c) 2006 Brendan Gregg.
*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at Docs/cddl1.txt
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* CDDL HEADER END
*
* 11-Feb-2006 Brendan Gregg Created this.
* 11-Feb-2006 " " Last update.
*/
#include <sys/isa_defs.h>
#pragma D option quiet
dtrace:::BEGIN
{
printf("%-16s %-16s %-6s %s\n",
"CMD", "CLASS", "TYPE", "MOD:INS:NAME");
}
fbt::read_kstat_data:entry
{
#ifdef _MULTI_DATAMODEL
self->uk = (kstat32_t *)copyin((uintptr_t)arg1, sizeof (kstat32_t));
#else
self->uk = (kstat_t *)copyin((uintptr_t)arg1, sizeof (kstat_t));
#endif
printf("%-16s %-16s %-6s %s:%d:%s\n", execname,
self->uk->ks_class == "" ? "." : self->uk->ks_class,
self->uk->ks_type == 0 ? "raw"
: self->uk->ks_type == 1 ? "named"
: self->uk->ks_type == 2 ? "intr"
: self->uk->ks_type == 3 ? "io"
: self->uk->ks_type == 4 ? "timer" : "?",
self->uk->ks_module, self->uk->ks_instance, self->uk->ks_name);
}