[Info-vax] LAN statistics...

[Vala]

On 4 ene, 14:32, IanMiller <g... at uk2.net> wrote:
> On Dec 29 2009, 5:13 pm, Vala <fernando.vallar... at oca.com.uy> wrote:
>
> > I'm trying to get usage data of the network interfaces installed
> > separated by protocol.
> > I can't find one system service that provides this information.
> > I searched through the system service SYS$QIO using a function
> > modifier, but could not find.
> > I'm looking here for some help before trying to access system memory
> > structures.
> > If my code starts from "SCS$GQ_CONFIG", looking inside system blocks
> > (SB), then into device data blocks (DDB) and finally into unit control
> > blocks (UCB) lists, I can see the information i'm looking for.
> > Of course I must do this in KERNEL mode, but i'm trying to obtain this
> > data using other mechanisms avoiding possible system crashes.
> > Thanks in advance.
>
> > Best regards, Fernando Vallarino.
>
> Perhaps something could be done with the DIAGNOSE QIO function code
> with the Read counters modifier
> IO$_DIAGNOSE|IO$M_DIAG_READ_COUNTERS
>
> SomeLANdrivers respond to this by extracting counters from theLAN
> Station Block (LSB) structure.

Ian, I can't find the "IO$M_DIAG_READ_COUNTERS" modifier in any
library.

Fernando.