1 #!/usr/sbin/dtrace -s 2 /* 3 * inttimes.d - print interrupt on-cpu time. 4 * Written using DTrace (Solaris 10 3/05) 5 * 6 * $Id: inttimes.d,v 1.1.1.1 2015/09/30 22:01:07 christos Exp $ 7 * 8 * USAGE: inttimes.d # wait several seconds, then hit Ctrl-C 9 * 10 * FIELDS: 11 * DEVICE instance name of device driver 12 * TIME (ns) sum of time spent servicing interrupt (ns) 13 * 14 * BASED ON: /usr/demo/dtrace/intr.d 15 * 16 * SEE ALSO: 17 * DTrace Guide "sdt Provider" chapter (docs.sun.com) 18 * intrstat(1M) 19 * 20 * PORTIONS: Copyright (c) 2005 Brendan Gregg. 21 * 22 * CDDL HEADER START 23 * 24 * The contents of this file are subject to the terms of the 25 * Common Development and Distribution License, Version 1.0 only 26 * (the "License"). You may not use this file except in compliance 27 * with the License. 28 * 29 * You can obtain a copy of the license at Docs/cddl1.txt 30 * or http://www.opensolaris.org/os/licensing. 31 * See the License for the specific language governing permissions 32 * and limitations under the License. 33 * 34 * CDDL HEADER END 35 * 36 * 28-Jun-2005 Brendan Gregg Created this. 37 * 20-Apr-2006 " " Last update. 38 */ 39 40 #pragma D option quiet 41 42 dtrace:::BEGIN 43 { 44 printf("Tracing... Hit Ctrl-C to end.\n"); 45 } 46 47 sdt:::interrupt-start 48 { 49 self->ts = vtimestamp; 50 } 51 52 sdt:::interrupt-complete 53 /self->ts && arg0 != 0/ 54 { 55 this->devi = (struct dev_info *)arg0; 56 /* this checks the pointer is valid, */ 57 self->name = this->devi != 0 ? 58 stringof(`devnamesp[this->devi->devi_major].dn_name) : "?"; 59 this->inst = this->devi != 0 ? this->devi->devi_instance : 0; 60 @num[self->name, this->inst] = sum(vtimestamp - self->ts); 61 self->name = 0; 62 } 63 64 sdt:::interrupt-complete 65 { 66 self->ts = 0; 67 } 68 69 dtrace:::END 70 { 71 printf("%11s %16s\n", "DEVICE", "TIME (ns)"); 72 printa("%10s%-3d %@16d\n", @num); 73 } 74