cpu timer issues

[Jurgen Weber]

Jeremy

Thanks for having a look.

Nothing in loader.conf

# cat /etc/sysctl.conf
# Do not send RSTs for packets to closed ports
net.inet.tcp.blackhole=2
# Do not send ICMP port unreach messages for closed ports
net.inet.udp.blackhole=1
# Generate random IP_ID's
net.inet.ip.random_id=1
# Breaks RFC1379, but nobody uses it anyway
net.inet.tcp.drop_synfin=1
net.inet.ip.redirect=1
net.inet.tcp.syncookies=1
net.inet.tcp.recvspace=65228
net.inet.tcp.sendspace=65228
# fastforwarding - see 
http://lists.freebsd.org/pipermail/freebsd-net/2004-January/002534.html
net.inet.ip.fastforwarding=1
net.inet.tcp.delayed_ack=0
net.inet.udp.maxdgram=57344
kern.rndtest.verbose=0
net.link.bridge.pfil_onlyip=0
net.link.tap.user_open=1
# The system will attempt to calculate the bandwidth delay product for 
each connection and limit the amount of data queued to the network to 
just the amount required to maintain optimum throughput.
net.inet.tcp.inflight.enable=1
net.inet.ip.portrange.first=1024
net.inet.ip.intr_queue_maxlen=1000
net.link.bridge.pfil_bridge=0
# Disable TCP extended debugging
net.inet.tcp.log_debug=0
# Set a reasonable ICMPLimit
net.inet.icmp.icmplim=500
# TSO causes problems with em(4) and reply-to, and isn't of much benefit 
in a firewall, disable.
net.inet.tcp.tso=0

# kenv | grep smbios
smbios.bios.reldate="12/19/2008"
smbios.bios.vendor="Phoenix Technologies LTD"
smbios.bios.version="1.2a      "
smbios.chassis.maker="Supermicro"
smbios.chassis.serial="0123456789"
smbios.chassis.tag=" "
smbios.chassis.version="0123456789"
smbios.planar.maker="Supermicro"
smbios.planar.product="X7SBi-LN4"
smbios.planar.serial="0123456789"
smbios.planar.version="PCB Version"
smbios.socket.enabled="1"
smbios.socket.populated="1"
smbios.system.maker="Supermicro"
smbios.system.product="X7SBi-LN4"
smbios.system.serial="0123456789"
smbios.system.uuid="53d1a494-d663-a0e7-890b-8a0f00f08a0f"
smbios.system.version="0123456789"

# sysctl kern.timecounter
kern.timecounter.tick: 1
kern.timecounter.choice: TSC(-100) i8254(0) dummy(-1000000)
kern.timecounter.hardware: i8254
kern.timecounter.stepwarnings: 0
kern.timecounter.tc.i8254.mask: 65535
kern.timecounter.tc.i8254.counter: 27546
kern.timecounter.tc.i8254.frequency: 1193182
kern.timecounter.tc.i8254.quality: 0
kern.timecounter.tc.TSC.mask: 4294967295
kern.timecounter.tc.TSC.counter: 1322201372
kern.timecounter.tc.TSC.frequency: 2926018304
kern.timecounter.tc.TSC.quality: -100
kern.timecounter.smp_tsc: 0
kern.timecounter.invariant_tsc: 0


Thanks

Jurgen

On 28/09/10 7:30 PM, Jeremy Chadwick wrote:
> Can you provide any tuning you do in loader.conf or sysctl.conf, as well
> as your kernel configuration?

-------------------------->
ish
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