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Tracing and Logging Utilities

strace

Chapter 7 187

strace

The strace command collects logging event messages from X.25 level 3

and X.25 level 2 STREAMS modules and writes them to standard

output. strace runs until terminated by the user. See the man pages for

strace(1) for a more detailed description.

Running strace with several sets of arguments can impair STREAMS

performance. Also, some messages may be lost if too many are logged at

one time.

HP recommends that you run strace as a background process with

output directed to a file.

NOTE Only one process can run the STREAMS log driver at a time.

Syntax

strace [mod sub pri] ...

Parameters

mod Specifies the STREAMS module identifier for:

• X.25 level 3, mod should have a value of 200

• X.25 level 2, mod should have a value of 201

• X.25 level 1, mod should have a value of 210

• IP over X.25, mod should have a value of 208

• BSD over X.25, mod should have a value of 2503

sub X.25 subnetwork identifier. Use all the first time to

get subnetwork identifiers (afterwards, you can enter

the identifier for a specific subnetwork/interface).

For single-port cards, the code for the sub option is the

decimal equivalent of 30 + n (both expressed in

hexadecimal), where n is the card instance number. For

example, for the interface defined by the device file

1 2 ... 182 183 184 185 186 187 188 189 190 191 192 ... 260 261

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HP CommonIO Products Bedienungsanleitung Seite 187