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67 lines
1.7 KiB
D
Executable File
67 lines
1.7 KiB
D
Executable File
#!/usr/sbin/dtrace -s
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/*
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* intoncpu.d - print interrupt on-cpu usage.
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* Written using DTrace (Solaris 10 3/05)
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*
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* $Id: intoncpu.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $
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*
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* USAGE: intoncpu.d # wait several seconds, then hit Ctrl-C
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*
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* FIELDS:
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* value Time interrupt thread was on-cpu, ns
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* count Number of occurrences of at least this time
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*
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* BASED ON: /usr/demo/dtrace/intr.d
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*
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* SEE ALSO: DTrace Guide "sdt Provider" chapter (docs.sun.com)
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* intrstat(1M)
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*
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* PORTIONS: Copyright (c) 2005, 2006 Brendan Gregg.
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*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at Docs/cddl1.txt
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* CDDL HEADER END
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*
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* 09-May-2005 Brendan Gregg Created this.
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* 20-Apr-2006 " " Last update.
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*/
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#pragma D option quiet
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dtrace:::BEGIN
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{
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printf("Tracing... Hit Ctrl-C to end.\n");
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}
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sdt:::interrupt-start
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{
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self->ts = vtimestamp;
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}
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sdt:::interrupt-complete
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/self->ts && arg0 != 0/
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{
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this->devi = (struct dev_info *)arg0;
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/* this checks the pointer is valid, */
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self->name = this->devi != 0 ?
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stringof(`devnamesp[this->devi->devi_major].dn_name) : "?";
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this->inst = this->devi != 0 ? this->devi->devi_instance : 0;
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@Time[self->name, this->inst] = quantize(vtimestamp - self->ts);
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self->name = 0;
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}
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dtrace:::END
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{
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printa("%s%d\n%@d", @Time);
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}
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