1# 2# CDDL HEADER START 3# 4# The contents of this file are subject to the terms of the 5# Common Development and Distribution License (the "License"). 6# You may not use this file except in compliance with the License. 7# 8# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9# or http://www.opensolaris.org/os/licensing. 10# See the License for the specific language governing permissions 11# and limitations under the License. 12# 13# When distributing Covered Code, include this CDDL HEADER in each 14# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15# If applicable, add the following below this CDDL HEADER, with the 16# fields enclosed by brackets "[]" replaced with your own identifying 17# information: Portions Copyright [yyyy] [name of copyright owner] 18# 19# CDDL HEADER END 20# 21 22# 23# Copyright 2006 Sun Microsystems, Inc. All rights reserved. 24# Use is subject to license terms. 25# 26#ident "@(#)tst.cputime.ksh 1.1 06/08/28 SMI" 27 28script() 29{ 30 dtrace -C -s /dev/stdin -x bufpolicy=$1 $1 <<EOF 31 32 #pragma D option quiet 33 #pragma D option statusrate=1hz 34 35 uint64_t total; 36 int thresh; 37 38 BEGIN 39 { 40 start = timestamp; 41 thresh = 10; 42 } 43 44 fbt::thread_run:entry 45 { 46 this->t = (thread_t)arg3; 47 this->pid = xlate <psinfo_t>(this->t).pr_pid; 48 self->on = (this->pid == \$pid) ? vtimestamp : 0; 49 } 50 51 fbt::thread_run:entry 52 /self->on/ 53 { 54 total += vtimestamp - self->on; 55 } 56 57 tick-1sec 58 /i++ == 10/ 59 { 60 exit(0); 61 } 62 63 END 64 /((total * 100) / (timestamp - start)) > thresh/ 65 { 66 printf("'%s' buffering policy took %d%% of CPU; ", 67 \$\$1, ((total * 100) / (timestamp - start))); 68 printf("expected no more than %d%%!\n", thresh); 69 exit(1); 70 } 71EOF 72} 73 74for policy in "fill ring switch"; do 75 script $policy 76 77 status=$? 78 79 if [ "$status" -ne 0 ]; then 80 exit $status 81 fi 82done 83 84exit 0 85