HP CommonIO Products Bedienungsanleitung PDF herunterladen (Seite 183)

Tracing and Logging Utilities

netfmt

Chapter 7 183

0: 00 00 00 01 61 61 61 61 61 61 61 61 61 61 61 61 ...aaaaaaaaaaaa

16: 61 61 61 61 -- -- -- -- -- -- -- -- -- -- -- -- aaaa..........

To format the file /tmp/tracex25.TRC0 in “Nice” mode (output is mainly

packet headers) with no filtering:

/etc/netfmt -N -f /tmp/tracex25.TRC0 | more

The output will be:

Tx board: 0 at Wed Sep 28 1994 10:16:19.689181 Data Packet lci 64

Q-bit : 0 D-bit : 0 M-bit : 0

P(R) : 0 P(S) : 0

User Data = 20 bytes

To format the file /tmp/tracex25.TRC0 in “terse” (short) mode, with no

filtering:

/etc/netfmt -1 -f /tmp/tracex25.TRC0 | more

The output will be:

Tx board: 0 at 10:16:19.689181 Data Packet lci 64 PR: 0 PS: 0

Creating a Filter File

You can use a filter file to filter information according to various criteria.

This enables you to apply system-level filtering to get information such

as a time stamp for a specific subsystem.

You create a filter file with your text editor by entering the filter

configuration commands in predetermined fields on the same line. The

filter commands are: type, “!” (not), and value.

The values specified in the filter file are compared against the input

values. When there is a match, the information is recorded. It is possible

to create specific filters for all configured subsystems.

Refer to the man pages for netfmt for a complete explanation of the

format file syntax.

Filter File Syntax

Each line (filter) in the system level filter file begins with the keyword

FORMATTER FILTER (for system level filters) or SX25L3 (for subsystem

level filters, level 3 only). Entries are not case-sensitive, and spaces and

tabs are ignored. The syntax is shown below:

FORMATTER FILTER [type][!] [value]

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HP CommonIO Products Bedienungsanleitung Seite 183