Another way that I find helpful is to use an IPCS dump and go to option 6 and use
VERBX VSMDATA 'SUMMARY'
Then max down to the bottom. There is summary of the storage layout. This is
a sample. Someplace in your listing will be something that will not look
right. Once you have a subpool and key you can look at the data in the first
part to find what is being allocated too often, or maybe not being released
when it should.
L O C A L S T O R A G E D A T A S U M M A R Y
LOCAL STORAGE MAP
___________________________
| |80000000 <- Top of Ext. Private
| Extended |
| LSQA/SWA/229/230 |
|___________________________|7F353000 <- ELSQA Bottom
| |
| (Free Extended Storage) |2CB00000 <- Max Ext. User Region Address
|___________________________|2929D000 <- Ext. User Region Top
| |
| Extended User Region |
|___________________________|28B00000 <- Ext. User Region Start
: :
: Extended Global Storage :
=======================================<- 16M Line
: Global Storage :
:___________________________: 900000 <- Top of Private
| |
| LSQA/SWA/229/230 |
|___________________________| 8AD000 <- LSQA Bottom
| |
| (Free Storage) | 886000 <- Max User Region Address
|___________________________| 5A000 <- User Region Top
| |
| User Region |
|___________________________| 6000 <- User Region Start
: System Storage :
:___________________________: 0
Input Specifications:
Region Requested => 659000
IEFUSI/SMF Specification => SMFL : 880000 SMFEL: 4000000
SMFR : FFFFFFFF SMFER: 4000000
Actual Limit => LIMIT: 880000 ELIM : 4000000
Summary of Key Information from LDA (Local Data Area) :
STRTA = 6000 (ADDRESS of start of private storage area)
SIZA = 8FA000 (SIZE of private storage area)
CRGTP = 5A000 (ADDRESS of current top of user region)
LIMIT = 880000 (Maximum SIZE of user region)
LOAL = 51000 (TOTAL bytes allocated to user region)
HIAL = 50000 (TOTAL bytes allocated to LSQA/SWA/229/230 region)
SMFL = 880000 (IEFUSI specification of LIMIT)
SMFR = FFFFFFFF (IEFUSI specification of VVRG)
ESTRA = 28B00000 (ADDRESS of start of extended private storage area)
ESIZA = 57500000 (SIZE of extended private storage area)
ERGTP = 2929D000 (ADDRESS of current top of extended user region)
ELIM = 4000000 (Maximum SIZE of extended user region)
ELOAL = 79D000 (TOTAL bytes allocated to extended user region)
EHIAL = B9D000 (TOTAL bytes allocated to extended LSQA/SWA/229/230)
SMFEL = 4000000 (IEFUSI specification of ELIM)
SMFER = 4000000 (IEFUSI specification of EVVRG)
LOCAL SUBPOOL USAGE SUMMARY
TCB/OWNER SP# KEY BELOW ABOVE TOTAL
--------- --- --- ----- ----- -----
8E5E88 0 8 38000 0 38000
8E5870 2 8 11000 29000 3A000
8E5870 3 8 0 774000 774000
LSQA 205 0 0 39000 39000
LSQA 215 0 0 F000 F000
LSQA 225 0 0 2000 2000
8FE050 229 0 0 1000 1000
8FD0D0 229 0 0 91000 91000
8FF890 229 0 0 F000 F000
8FE050 229 1 0 34000 34000
8FE050 229 3 0 1000 1000
8FE050 229 5 0 13000 13000
8FF890 229 5 0 2000 2000
8E5E88 229 5 0 2000 2000
8E5870 229 5 0 2000 2000
8FE050 230 0 1000 C000 D000
8FF890 230 0 1000 3A000 3B000
8E5E88 230 0 1000 2000 3000
8E5870 230 0 0 1000 1000
8FE050 230 1 6000 18000 1E000
8FF890 230 1 0 2D000 2D000
8E5E88 230 1 0 17000 17000
8FE050 230 2 1000 2000 3000
8FE050 230 3 1000 139000 13A000
8FE050 230 4 1000 2000 3000
8FE050 230 5 1000 7000 8000
8FF890 230 5 0 1F000 1F000
8E5E88 230 5 0 2000 2000
8E5870 230 5 5000 3000 8000
8FE050 230 6 1000 2000 3000
8FE050 230 7 1000 2000 3000
8FE050 230 8 1000 1F000 20000
8E5870 230 8 1000 0 1000
8FE050 230 9 1000 2000 3000
8FF890 236 1 D000 18000 25000
8FF890 237 1 6000 1A000 20000
8E5E88 237 1 14000 7E000 92000
8FE050 249 1 0 2000 2000
8E5870 251 8 8000 0 8000
LSQA 255 0 12000 32000 44000
END OF VIRTUAL STORAGE MANAGEMENT DUMP FORMAT ROUTINE
Chris Blaicher
Senior Software Engineer, Software Services
Syncsort Incorporated
50 Tice Boulevard, Woodcliff Lake, NJ 07677
P: 201-930-8260 | M: 512-627-3803
E: cblaic...@syncsort.com
www.syncsort.com
Check out our Knowledge Base at www.syncsort.com/support
Syncsort aims for the best product and service experience.
We welcome your feedback.
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