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onstat -g ath

Posted in 2014

Summary

Bill Glidden asked what an asterisk after the vp-class in onstat -g ath (e.g. 1cpu*) means. John Miller III said the thread is bound to a VP. Madison Pruet explained the flag shows whether the thread is in a CPU VP private ready queue; the asterisk means it is not, due to a hard bind or class binding (encryption, optical blobs, PAM), and it is removed when picked up from the global queue. The last message was only a confidentiality footer.

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Topics: General Discussion

BILL GLIDDEN — — source: IIUG Forums & Mailing Lists

In the vp-class column of onstat -g ath output, some of the entries has an asterisk appended (i.e. 1cpu*). What does that signify?

↪ replying to BILL GLIDDEN
John Miller iii — — source: IIUG Forums & Mailing Lists

It signifies the thread is bound to a vp. John F. Miller III STSM, Lead Architect miller3@us.ibm.com 503-747-1366 IBM Informix Dynamic Server (IDS) ids-bounces@iiug.org wrote on 01/29/2014 05:59:00 AM: > From: "BILL GLIDDEN" <bglidden1962@gmail.com> > To: ids@iiug.org, > Date: 01/29/2014 05:59 AM > Subject: onstat -g ath [32373] > Sent by: ids-bounces@iiug.org > > In the vp-class column of onstat -g ath output, some of the entries has an > asterisk appended (i.e. 1cpu*). What does that signify? > > > ******************************************************************************* > Forum Note: Use "Reply" to post a response in the discussion forum. >

↪ replying to BILL GLIDDEN
Madison Pruet — — source: IIUG Forums & Mailing Lists

We have a flag which indicates that the thead is in a CPUVP private rea= dy queue. The '*' simply means that the flag is not set - indicating eith= er a hard bind to a CPUVP or that the thread is bound to the CPUVP class. T= here are several things which might cause the thread to bind to the CPUVP cl= ass - and when the thread is bound to a class, then it is placed into the global ready queue rather than a CPUVP private queue. Some of the thin= gs which cause a thread to be bound to the CPUVP class would be exiting functionality such as encryption, optical blobs, PAM, etc... When a th= read is in the global ready queue, it will be picked up by one of the CPUVPS= - and the '*' will be removed. The typical case is that the thread is hard bound to the VP, but it als= o means that the thread is returning from a hard bind and is now in the global ready queue. |------------> | From: | |------------> >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| |"BILL GLIDDEN" <bglidden1962@gmail.com> = = | >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| |------------> | To: | |------------> >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| |ids@iiug.org, = = | >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| |------------> | Date: | |------------> >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| |01/29/2014 07:59 AM = = | >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| |------------> | Subject: | |------------> >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| |onstat -g ath [32373] = = | >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| |------------> | Sent by: | |------------> >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| |ids-bounces@iiug.org = = | >--------------------------------------------------------------------= -----------------------------------------------------------------------= -------| In the vp-class column of onstat -g ath output, some of the entries has= an asterisk appended (i.e. 1cpu*). What does that signify? ***********************************************************************= ******** Forum Note: Use "Reply" to post a response in the discussion forum. =

↪ replying to John Miller iii
Leopoldo Martinez — — source: IIUG Forums & Mailing Lists

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