"First Do No Harm"
Consider while you are holding this fellows LOCAL lock a variety of
requests will cause work to halt in the target address space because of
your attempts to watch it. Try to avoid being more intrusive than you
really must and consider that intelligent sampling can produce data that
is quite useful with less chance of impacting the work you are trying to
study.
Best Regards,
Sam Knutson, GEICO
Performance and Availability Management
mailto:[EMAIL PROTECTED]
(office) 301.986.3574
"Think big, act bold, start simple, grow fast..."
Never regard study as a duty, but as the enviable opportunity to learn
to know the liberating influence of beauty in the realm of the spirit
for your own personal joy and to the profit of the community to which
your later work belongs.
Albert Einstein
-----Original Message-----
> Probably better to just use the TCB pointer chains while holding the
> local lock.
You've piqued my interest ... Which TCB chain? Where's its anchor and
next chain pointer? Does this chain contain only dispatchable TCB?
Currently I run the TCB chain starting from job step TCB and moving
forward via the TCBTCB field (while the local lock is held). I check
TCBPNDSP, TCBRBWF, and WEBPaused to determine if the TCB is waiting. If
not then if TCBACTIV is on I assume it's active. As I've discovered
TCBACTIV doesn't give an accurate picture of the TCB's state.
Thanks,
Vic
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