APAR status
Closed as program error.
Error description
TCP.TIMER handling is causing high CPU usage calling SVC B and PC Time for every dispatched TCB when running with HourGlass. Significant increase of CPU usage in Hour Glass environment will be seen.
Local fix
STRRTC - 349849 MM/MM Circumvention: None
Problem summary
TCP timer use of SVC B causes increased CPU usage when running with HourGlass.
Problem conclusion
Convert TIME calls back to STCK for TCP time outs.
Temporary fix
T048041
Comments
APAR Information
APAR number
PM77633
Reported component name
B STR CD FOR Z/
Reported component ID
5655ST100
Reported release
48X
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-11-23
Closed date
2013-01-11
Last modified date
2013-01-11
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
DMGCLDSV DMGSDIPE DMTASSEL
Fix information
Fixed component name
B STR CD FOR Z/
Fixed component ID
5655ST100
Applicable component levels
R48X PSY
UP
R501 PSY
UP
R510 PSY
UP
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Document Information
Modified date:
11 January 2013