IBM 000-8697 Bedienungsanleitung PDF herunterladen (Seite 577)

100

101

Utilities 7-99

Option Descriptions

-u Option

Use the -u option to print a proﬁle of user activity. The output described in

this paragraph is provided for each user process.

Ataminimum,twouser processesalwaysappearin-u output:tbinit always

occupies the ﬁrst entry andtbundo always occupies the second entry. If you

haveconﬁguredOnLineforadditionalpagecleaners(speciﬁedas

CLEANERS

in the conﬁguration ﬁle), each page-cleaner daemon, tbpgcl, is listed as well.

You can interpret output from this option as follows:

address is the shared-memory address of the user process (in the user

table). Compare this address with the addresses displayed in

the -s output (latches), the -b, -B, and -X output (buffers), and

the -k output (locks) to learn what resources this process is

holding or waiting for.

ﬂags gives the status of the user process. The ﬂag codes for

position 1 indicate if the process is waiting for a resource:

waiting for a buffer

waiting for a checkpoint

waiting for the log buffer

waiting for a lock

waiting for a latch

waiting for a long transaction rollback

waiting for a transaction (refer to Chapter 9, “Product

Environment”)

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