From: Swider, Bucky (jswider@concordefs.com)
Date: Wed Mar 26 2003 - 12:31:05 EST
Hello, we have a mission-critical app whose window is compromised due to
poor performance. I TRUSSed one of the jobs last night and found that the
process was sleeping. I suspect some sort of lock condition....I'm looking
for some jumping-off points to start my investigation. The code in question
is a ksh script. Here's the smoking gun:
truss -p 27994
waitd(P_ALL, 0, 0xFFBEE018, WEXITED|WTRAPPED|WSTOPPED) (sleeping...)
,
.
<at least thirty minutes passes with all resources on system idle>.....
.
.
.
waitd(P_ALL, 0, 0xFFBEE018, WEXITED|WTRAPPED|WSTOPPED) = 0
<job then flies to completion within seconds>.
Can anyone more familiar with coding point me in the right directions?
Thanks.
Bucky
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