Proc/Pci; Proc/Slabinfo - Red Hat ENTERPRISE LINUX 4.5.0 Reference Manual

Chapter 5. The proc File System
• — The major number of the device with this partition. The major number in the
major
, (
/proc/partitions
• — The minor number of the device with this partition. This serves to separate the
minor
partitions into different physical devices and relates to the number at the end of the name of
the partition.
• — Lists the number of physical disk blocks contained in a particular partition.
#blocks
• — The name of the partition.
name
2.25.

/proc/pci

This file contains a full listing of every PCI device on the system. Depending on the number of
PCI devices,
/proc/pci
similar to the following:
Bus 0, device 0, function 0: Host bridge: Intel Corporation 440BX/ZX -
82443BX/ZX Host bridge (rev 3). Master Capable. Latency=64. Prefetchable 32
bit memory at 0xe4000000 [0xe7ffffff]. Bus 0, device 1, function 0: PCI
bridge: Intel Corporation 440BX/ZX - 82443BX/ZX AGP bridge (rev 3). Master
Capable. Latency=64. Min Gnt=128. Bus 0, device 4, function 0: ISA bridge:
Intel Corporation 82371AB PIIX4 ISA (rev 2). Bus 0, device 4, function 1:
IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 1). Master Capable.
Latency=32. I/O at 0xd800 [0xd80f]. Bus 0, device 4, function 2: USB
Controller: Intel Corporation 82371AB PIIX4 USB (rev 1). IRQ 5. Master
Capable. Latency=32. I/O at 0xd400 [0xd41f]. Bus 0, device 4, function 3:
Bridge: Intel Corporation 82371AB PIIX4 ACPI (rev 2). IRQ 9. Bus 0, device
9, function 0: Ethernet controller: Lite-On Communications Inc LNE100TX (rev
33). IRQ 5. Master Capable. Latency=32. I/O at 0xd000 [0xd0ff].
Non-prefetchable 32 bit memory at 0xe3000000 [0xe30000ff]. Bus 0, device 12,
function 0: VGA compatible controller: S3 Inc. ViRGE/DX or /GX (rev 1). IRQ
11. Master Capable. Latency=32. Min Gnt=4.Max Lat=255. Non-prefetchable 32
bit memory at 0xdc000000 [0xdfffffff].
This output shows a list of all PCI devices, sorted in the order of bus, device, and function.
Beyond providing the name and version of the device, this list also gives detailed IRQ
information so an administrator can quickly look for conflicts.
Tip
To get a more readable version of this information, type:
/sbin/lspci -vb
2.26.

/proc/slabinfo

62
), corresponds with the block device
3
can be rather long. A sampling of this file from a basic system looks
, in
ide0 /proc/devices
.