From:	MERC::"uunet!CRVAX.SRI.COM!RELAY-INFO-VAX" 12-JUN-1992 23:12:19.99
To:	info-vax@kl.sri.com
CC:	
Subj:	Re: Show system question

In article <8JUN199223304985@mary.fordham.edu> areid@mary.fordham.edu (Darin Reid) writes:
>What do all of the process states mean?

This is a list I cooked up some time ago.  Since it was under VMS V4,
you may need to refer to the analogous, but more recent, documentation.


The 14 VAX/VMS Process states:                                  08-Aug-1991

        COM     Computable and resident in memory

        COMO    Computable, but outswapped

        CUR     Currently executing

        CEF     Waiting for a common event flag

        LEF     Waiting for a local event flag

        LEFO    Outswapped and waiting for a local event flag

        HIB     Hibernating

        HIBO    Hibernating and outswapped

        SUSP    Suspended

        SUSPO   Suspended and outswapped

        PFW     Waiting for a page that is not in memory
                (Page-fault wait)

        FPG     Waiting to add a page to its working set
                (Free-page wait)

        COLPG   Waiting for a page collision to be resolved
                (Collided-page wait); this usually occurs when several 
                processes cause page faults on the same shared page.

        MWAIT   Waiting for a system resource (Miscellaneous wait)

Also noted:
        Resource waits (RWxxx), where xxx is one of:
            AST     AST wait (wait for system or special kernel AST)
            MBX     Mailbox full
            NPG     Nonpaged dynamic memory
            PFF     Page file full (not currently used)
            PAG     Paged dynamic memory
            BRK     Breakthrough (not currently used)
            IMG     Image activation lock (not currently used)
            QUO     Job pooled quota (not currently used)
            LCK     Lock identifier (not currently used)
            SWP     Swap file space
            MPE     Modified page list empty
            MPB     Modified page writer busy
            SCS     Distributed lock manager wait
            CLU     Cluster transition

Refs:   - VMS System Dump Analyzer Utility Manual,
          Table SDA-15, page SDA-159
        - Guide to VMS Performance Management,
          Section 3.5.1.2.2, page 3-12
        - VAX/VMS Internals and Data Structures (Version 4.4)
          Chapter 10: Scheduling - page 230
-- 
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 Tim Bell     tbell@netcom.COM             {amdahl,claris}!netcom!tbell