Red Hat ENTERPRISE LINUX 3 Reference Manual page 83

proc
Chapter 5. The
— A collection of current parameters of the device. This file usually contains quite a
• settings
bit of useful, technical information. A sample
similar to the following:
name
----
bios_cyl
bios_head
bios_sect
breada_readahead
bswap
current_speed
file_readahead
ide_scsi
init_speed
io_32bit
keepsettings
lun
max_kb_per_request
multcount
nice1
nowerr
number
pio_mode
slow
unmaskirq
using_dma
5.3.6.
/proc/irq/
This directory is used to set IRQ to CPU affinity, which allows the system to connect a particular IRQ
to only one CPU. Alternatively, it can exclude a CPU from handling any IRQs.
Each IRQ has its own directory, allowing for the individual configuration of each IRQ.
The
/proc/irq/prof_cpu_mask
file in the IRQ directory. The values in
smp_affinity
that particular IRQ.
For more information about the
/usr/src/linux-2.4/Documentation/filesystems/proc.txt
5.3.7.
/proc/net/
This directory provides a comprehensive look at various networking parameters and statistics. Each
directory and virtual file within this directory describes aspects of the system's network configuration.
Below is a partial list of the
— Lists the kernel's ARP table. This file is particularly useful for connecting a hardware
•
arp
address to an IP address on a system.
directory — The files within this directory contain Asynchronous Transfer Mode (ATM) set-
• atm/
tings and statistics. This directory is primarily used with ATM networking and ADSL cards.
— Lists the various network devices configured on the system, complete with transmit and
• dev
receive statistics. This file lists the number of bytes each interface has sent and received, the number
File System
value
-----
784
255
63
4
0
66
0
0
66
0
0
0
64
8
1
0
0
write-only
0
0
1
file is a bitmask that contains the default values for the
/proc/irq/
directory:
/proc/net/
file for a standard IDE hard disk looks
settings
min max
--- ---
0 65535
0 255
0 63
0 127
0 1
0 69
0 2097151
0 1
0 69
0 3
0 1
0 7
1 127
0 8
0 1
0 1
0 3
0 255
0 1
0 1
0 1
smp_affinity
directory, refer to:
mode
----
rw
rw
rw
rw
r
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
rw
w
rw
rw
rw
specify which CPUs handle
65