Date: Sun, 30 Jul 2006 14:36:05 -0400 From: "Tamouh H." <hakmi@rogers.com> To: "'Jonathan Horne'" <freebsd@dfwlp.com>, <freebsd-questions@freebsd.org> Subject: RE: anyone with a p4 HT machine ever see anything from cpu1? Message-ID: <20060730183605.B7AF743D49@mx1.FreeBSD.org> In-Reply-To: <200607300954.15235.freebsd@dfwlp.com>
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> just a snip of my top window, but as far down as i can=20
> stretch my 1280x1024 screen, its all "cpu 0" processes, even=20
> while compiling.
>=20
> last pid: 16214; load averages: 0.75, 0.35, 0.17 up=20
> 1+00:37:34 =20
> 09:43:04
> 114 processes: 2 running, 112 sleeping
> CPU states: 34.2% user, 0.0% nice, 15.4% system, 0.4%=20
> interrupt, 50.0% idle
> Mem: 202M Active, 456M Inact, 232M Wired, 860K Cache, 110M=20
> Buf, 97M Free
> Swap: 983M Total, 983M Free
>=20
> PID USERNAME THR PRI NICE SIZE RES STATE C TIME =20
> WCPU COMMAND
> 8805 root 1 8 0 35880K 35552K wait 0 0:11=20
> 15.64% ruby18
> 15952 root 1 8 0 1224K 1112K wait 0 0:00 =20
> 8.00% make
> 15925 root 1 8 0 1224K 1112K wait 0 0:00 =20
> 3.59% make
> 656 jhorne 1 96 0 303M 53372K select 0 8:25 =20
> 2.69% Xorg
> 742 jhorne 1 96 0 12632K 8252K select 0 16:42 =20
> 1.03% gkrellm
> 1337 jhorne 1 96 0 29092K 21276K select 0 0:02 =20
> 0.78% kdeinit
> 732 jhorne 1 96 0 30700K 22904K select 0 1:21 =20
> 0.10% kdeinit
> 293 root 1 96 0 1260K 684K select 0 0:24 =20
> 0.05% moused
> 752 jhorne 1 96 0 25780K 17952K select 0 7:07 =20
> 0.00% kdeinit
> 738 jhorne 4 20 -76 14012K 8132K kserel 0 1:34 =20
> 0.00% artsd
> 758 jhorne 1 96 0 31820K 21544K select 0 1:24 =20
> 0.00% kdeinit
> 720 jhorne 1 96 0 30724K 22796K select 0 1:13 =20
> 0.00% kdeinit
> 695 jhorne 1 96 0 3532K 2012K select 0 0:41 =20
> 0.00% gam_server
> 728 jhorne 1 96 0 25596K 17556K select 0 0:12 =20
> 0.00% kdeinit
>=20
> dmesg shows that freebsd sees the other cpu...
>=20
> [root@athena ~]# dmesg | grep cpu
> cpu0 (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> cpu0: <ACPI CPU> on acpi0
> acpi_throttle0: <ACPI CPU Throttling> on cpu0
> cpu1: <ACPI CPU> on acpi0
> acpi_throttle1: <ACPI CPU Throttling> on cpu1 cpu0 (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> cpu0: <ACPI CPU> on acpi0
> acpi_throttle0: <ACPI CPU Throttling> on cpu0
> cpu1: <ACPI CPU> on acpi0
> acpi_throttle1: <ACPI CPU Throttling> on cpu1
>=20
> FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs cpu0=20
> (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> SMP: AP CPU #1 Launched!
>=20
> so is the SMP portion of the technology as worthless as 'they' say?
>=20
> thanks,
> jonathan
FBSD 6.1 and 5.4 had no problems with HT on P4 and Xeon processors. I =
also mentioned the machines ran better with HT enabled than being =
disabled.
do a check to make sure HT is enabled:
sysctl -a machdep.hyperthreading_allowed
last pid: 20206; load averages: 0.10, 0.03, 0.01 =
up 6+02:30:20 14:34:40
158 processes: 1 running, 157 sleeping
CPU states: 3.4% user, 0.0% nice, 1.9% system, 0.2% interrupt, 94.5% =
idle
Mem: 279M Active, 411M Inact, 263M Wired, 32M Cache, 111M Buf, 9560K =
Free
Swap: 3000M Total, 202M Used, 2798M Free, 6% Inuse
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU =
COMMAND
810 mysql 52 20 0 69304K 17080K kserel 1 12:07 0.00% =
mysqld
2205 clamav 4 20 0 22940K 20256K kserel 1 11:44 0.00% clamd
617 mailman 1 8 0 7960K 1416K nanslp 0 1:50 0.00% =
python2.4
615 mailman 1 8 0 7968K 1436K nanslp 1 1:48 0.00% =
python2.4
618 mailman 1 8 0 7976K 1420K nanslp 1 1:47 0.00% =
python2.4
22110 mailnull 1 96 0 5668K 656K select 1 1:46 0.00% =
exim-4.62-0
616 mailman 1 8 0 7964K 1396K nanslp 1 1:46 0.00% =
python2.4
614 mailman 1 8 0 7960K 1400K nanslp 0 1:45 0.00% =
python2.4
619 mailman 1 8 0 8020K 1436K nanslp 0 1:45 0.00% =
python2.4
621 mailman 1 8 0 7960K 1408K nanslp 0 1:43 0.00% =
python2.4
55933 root 1 96 0 2628K 1412K CPU0 0 1:33 0.00% top
50253 root 1 96 0 22860K 13364K select 0 1:06 0.00% perl
1027 mcsupport 1 96 0 6120K 360K select 1 0:58 0.00% sshd
882 mailnull 1 8 0 6168K 2008K nanslp 0 0:53 0.00% =
perl5.8.8
22116 root 1 8 0 2684K 1508K nanslp 1 0:40 0.00% =
perl5.8.8
505 nobody 1 20 0 13136K 7068K lockf 0 0:26 0.00% httpd
2193 nobody 1 20 0 27340K 7468K lockf 0 0:24 0.00% httpd
474 root 1 96 0 8664K 1596K select 0 0:23 0.00% httpd
492 nobody 1 20 0 12416K 6388K lockf 1 0:21 0.00% httpd
647 root 1 8 0 9552K 1688K nanslp 0 0:21 0.00% =
perl5.8.8
495 nobody 1 20 0 20436K 7308K lockf 1 0:17 0.00% httpd
609 root 1 96 0 9700K 2888K select 1 0:16 0.00% cppop
309 root 1 96 0 1300K 424K select 0 0:15 0.00% =
syslogd
578 root 1 8 20 8496K 5480K nanslp 0 0:14 0.00% =
perl5.8.8
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