I attempted to have one of my ethernet interfaces increased in priority
using an entry in the rtirq configuration file, but it did not seem to
work as seen below in the rtirq status. I expected eth2 to get set to
priority 70, but it is at the default of 50 along with all the other
non-sound interrupt handlers. Any help in understanding why would be
appreciated.
Also, is there any benefit to preventing the driver loading for the unused
audio section of my video card? The video card has an audio adapter that
only outputs over the hdmi port, which I am not using, but it gets set to
a high priority just like my ice card. Any concern with that, or just
ignore it?
--
thanks,
Chris Caudle
Content of /etc/sysconfig/rtirq:
# IRQ thread service names
# (space separated list, from higher to lower priority).
RTIRQ_NAME_LIST="rtc snd usb i8042 eth2"
# Highest priority.
RTIRQ_PRIO_HIGH=90
# Priority decrease step.
RTIRQ_PRIO_DECR=5
# Whether to reset all IRQ threads to SCHED_OTHER.
RTIRQ_RESET_ALL=0
# On kernel configurations that support it,
# which services should be NOT threaded
# (space separated list).
RTIRQ_NON_THREADED="rtc snd"
# Process names which will be forced to the
# highest realtime priority range (99-91)
# (space separated list, from highest to lower priority).
# RTIRQ_HIGH_LIST="timer"
--------------------------------
result of rtirq status:
$ /etc/rc.d/init.d/rtirq status
PID CLS RTPRIO NI PRI %CPU STAT COMMAND
112 FF 90 - 130 0.0 S irq/8-rtc0
677 FF 85 - 125 0.0 S irq/69-snd_hda_
713 FF 85 - 125 0.0 S irq/20-snd_ice1
104 FF 80 - 120 0.0 S irq/10-ohci_hcd
106 FF 79 - 119 0.0 S irq/10-ohci_hcd
109 FF 75 - 115 0.0 S irq/1-i8042
108 FF 74 - 114 0.0 S irq/12-i8042
41 FF 50 - 90 0.0 S irq/9-acpi
102 FF 50 - 90 0.0 S irq/10-ehci_hcd
225 FF 50 - 90 0.0 S irq/64-radeon
329 FF 50 - 90 0.0 S irq/14-pata_ser
330 FF 50 - 90 0.0 S irq/15-pata_ser
332 FF 50 - 90 0.0 S irq/11-sata_svw
345 FF 50 - 90 0.0 S irq/18-firewire
350 FF 50 - 90 0.0 S irq/65-cciss0
1217 FF 50 - 90 0.0 S irq/16-eth0
1300 FF 50 - 90 0.0 S irq/70-eth1
1374 FF 50 - 90 0.0 S irq/71-eth2
3 FF 1 - 41 0.1 S ksoftirqd/0
18 FF 1 - 41 0.1 S ksoftirqd/1
25 FF 1 - 41 0.0 S ksoftirqd/2
31 FF 1 - 41 0.0 S ksoftirqd/3
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