05-13-2012
Interface card using a lot of bandwith
I have system which is using a lot of bandwidth and this is not a big problem,
but how do you troubleshoot this issue?
How can I find out which connections are made for one interface card,
there are about 5 on this system and I can see how much traffic is going through one interface, but I need to drill down more.
Thx.
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LEARN ABOUT REDHAT
dummy_cs
DUMMY_CS(4) Kernel Interfaces Manual DUMMY_CS(4)
NAME
dummy_cs - PCMCIA dummy device driver
SYNOPSIS
insmod dummy_cs.o [pc_debug=n] [free_ports=n] [irq_list=i,j,...]
DESCRIPTION
The dummy_cs module has two purposes. It is intended as a demonstration of how to write the PCMCIA interface code for a client driver, and
the source code is heavily commented. It is also written to function as a sort of generic ``point enabler'': when bound to any PCMCIA IO
card, it will read the card's Configuration Information Structure, and configure the card appropriately. The configuration includes set-
ting up IO and memory windows, configuring the card for interrupts, and initializing the card's PCMCIA configuration registers.
It turns out that many cards report incomplete or inaccurate configuration information, due to vendor carelessness and the complexity of
the data format. A vendor driver can generally take for granted many configuration details, so there is not much incentive for vendors to
ensure that the on-card information is complete. Thus, the dummy_cs module is limited by its generality: since it makes no assumptions
about card types, it is forced to rely on the card information, for better or worse.
PARAMETERS
pc_debug=n
Selects the PCMCIA debugging level. This parameter is only available if the module is compiled with debugging enabled. A non-zero
value enables debugging.
free_ports=n
A flag indicating if the IO ports allocated for the card should be freed from the kernel resource maps. This is useful if the dummy
driver is being used to configure a card in preparation for loading a specific PCMCIA-unaware driver. The default is 0 (false).
irq_list=i,j,...
Specifies the set of interrupts that may be allocated by this driver.
AUTHOR
David Hinds - dahinds@users.sourceforge.net
SEE ALSO
cardmgr(8), pcmcia(5).
pcmcia-cs 2000/06/12 21:24:47 DUMMY_CS(4)