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 "%Z%%M% %I% %E% SMI" 27 28script() 29{ 30 $dtrace -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 sched:::on-cpu 45 /pid == \$pid/ 46 { 47 self->on = vtimestamp; 48 } 49 50 sched:::off-cpu 51 /self->on/ 52 { 53 total += vtimestamp - self->on; 54 } 55 56 tick-1sec 57 /i++ == 10/ 58 { 59 exit(0); 60 } 61 62 END 63 /((total * 100) / (timestamp - start)) > thresh/ 64 { 65 printf("'%s' buffering policy took %d%% of CPU; ", 66 \$\$1, ((total * 100) / (timestamp - start))); 67 printf("expected no more than %d%%!\n", thresh); 68 exit(1); 69 } 70EOF 71} 72 73if [ $# != 1 ]; then 74 echo expected one argument: '<'dtrace-path'>' 75 exit 2 76fi 77 78dtrace=$1 79 80for policy in "fill ring switch"; do 81 script $policy 82 83 status=$? 84 85 if [ "$status" -ne 0 ]; then 86 exit $status 87 fi 88done 89 90exit 0 91