Ok, I recreated the scenario and now have the following stack trace.  Can
anyone tell me what is going on?

Carl

Procedure Trace for Pin  253 is:

       PC=a.0015f70c enable_int+$2c
NM* 0) SP=418587b0 RP=a.002a4b98
notify_dispatcher.block_current_process+$324
NM  1) SP=418587b0 RP=a.002a703c notify_dispatcher+$264
NM  2) SP=41858730 RP=a.0018e3e4 sem_block.wait_for_resource+$1c4
NM  3) SP=41858630 RP=a.0018e5fc sem_block+$178
NM  4) SP=41858570 RP=a.001669a4 joint_lock_path+$34
NM  5) SP=41858470 RP=a.004a4098 xm_deallocaterecord+$30c
NM  6) SP=41858428 RP=a.004a5c34 xm_end_user_trans+$1c4
NM  7) SP=41858368 RP=a.00484d48 xm_w_unlock_and_copyai_var+$2b0
NM  8) SP=418582a8 RP=a.005cd1cc disc_sm_finish_write+$98
NM  9) SP=41858228 RP=a.005cd100 ?disc_sm_finish_write+$8
         export stub: 29c.002f5484 putdetail_340+$3048
NM  a) SP=41858068 RP=29c.002f7480 nmdbput+$17c4
NM  b) SP=41858008 RP=29c.002680e0 nbput+$15c
NM  c) SP=418547d0 RP=29c.00267f58 ?nbput+$8
         export stub: 29c.010947f0 dbput+$3fc
NM  d) SP=418546d0 RP=29c.01094368 ?dbput+$8
         export stub: 188.00088ad8
NM  e) SP=41853450 RP=188.00088a40
         export stub: 2bc8.0007fbac
NM  f) SP=418533d0 RP=2bc8.0009a448
NM 10) SP=418531b0 RP=2bc8.000a9434
NM 11) SP=41852f88 RP=2bc8.000b4ee0
NM 12) SP=41852d68 RP=2bc8.00081128
NM 13) SP=41852b48 RP=2bc8.0009c258
NM 14) SP=41852928 RP=2bc8.0009c7bc
NM 15) SP=41852708 RP=2bc8.00100d4c
NM 16) SP=418524e8 RP=2bc8.00101114
NM 17) SP=418522c8 RP=2bc8.00000000
     (end of NM stack)

> -----Original Message-----
> From: [log in to unmask] [mailto:[log in to unmask]]
> Sent: Tuesday, November 02, 1999 1:44 PM
> To: [log in to unmask]
> Cc: [log in to unmask]
> Subject: Re: [HP3000-L] Performance question
>
>
> Re:
>
> > Glance and Perfview both show impedes.  Perfview goes as
> far as to indicate
> > that the jobs are spending most of their time, ~ 60%, waiting for a
> > semaphore.  Perfview also indicates that the jobs spend ~
> 5% of their time
> > in a Pri Wait and the Stop Reason is CtrlBlk.  Disk wait is
> > 1% and Memory
> > wait is > 1%.
>
> <plug, sorry>
> If you have SHOT, from Lund, version 2.22 or later, you can say:
>
>    ADM + WAITSEMPIN
>
> that will cause SHOT's Delta/ALL displays to report the PIN
> that's holding
> the semaphore that a process is waiting for.
> </plug>
>
> > Anything else that would be pertinant?
>
> Stack traces of the blocked processes, to help determine what they're
> waiting for (e.g., file, database, or ?)
>
> --
> Stan Sieler
> [log in to unmask]
> P.s.: please forgive typos/brevity,
> http://www.allegro.com/sieler/
>       I'm typing left-handed
> for awhile.
>