> On Fri, 27 Jul 2007 17:10:07 -0700, David G Lawrence wrote: > Attached is a slightly improved version of my ztdummy.c that should > work if system HZ is larger than 1000.
I appreciate your help with this problem. FWIW here are some zttest results with and without your patch: NTP is enabled on this host. System not busy: last pid: 35192; load averages: 0.00, 0.00, 0.00 up 1+01:24:15 01:18:12 36 processes: 2 running, 34 sleeping CPU states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 100% idle Mem: 18M Active, 217M Inact, 118M Wired, 32K Cache, 111M Buf, 643M Free Swap: 2022M Total, 2022M Free # uname -a FreeBSD zttest 6.2-RELEASE-p4 FreeBSD 6.2-RELEASE-p4 #0: Wed May 2 15:19:20 EDT 2007 [EMAIL PROTECTED]:/usr/src/sys/i386/compile/CUSTOM i386 # diff GENERIC CUSTOM 2c2 < # GENERIC -- Generic kernel configuration file for FreeBSD/i386 --- > # CUSTOM -- Generic kernel configuration file for FreeBSD/i386 19c19 < # $FreeBSD: src/sys/i386/conf/GENERIC,v 1.429.2.13 2006/10/09 18:41:36 simon Exp $ --- > # $FreeBSD: src/sys/i386/conf/CUSTOM,v 1.429.2.13 2006/10/09 18:41:36 simon > Exp $ 22,23d21 < cpu I486_CPU < cpu I586_CPU 25c23 < ident GENERIC --- > ident CUSTOM 28,30c26 < #hints "GENERIC.hints" # Default places to look for devices. < < makeoptions DEBUG=-g # Build kernel with gdb(1) debug symbols --- > #hints "CUSTOM.hints" # Default places to look for > devices. 61a58 > device carp # pkg_info | egrep '^(asterisk|zaptel)' asterisk-1.4.9 An Open Source PBX and telephony toolkit zaptel-1.4.6_2 A FreeBSD Driver for FXO, FXS, BRI and PRI Telephony Cards Normal zaptel: # ( zttest > zttest.txt & ); sleep 300; killall -INT zttest; tail -2 zttest.txt --- Results after 292 passes --- Best: 100.000000 -- Worst: 98.449707 -- Average: 99.935727 With your ztdummy.c: # ( zttest > zttest.txt & ); sleep 300; killall -INT zttest; tail -2 zttest.txt --- Results after 292 passes --- Best: 99.694824 -- Worst: 99.328613 -- Average: 99.529350 Digium says zttest should report > 99.98 for there not to be timing issues. -Corey Smith _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- Asterisk-BSD mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-bsd
