Local Coupling Facility Data Section

One per record

Offsets Name Length Format Description
0 0 R744FNAM 8 EBCDIC Name of coupling facility as defined in parmlib member COUPLExx.
8 8 R744FSYS 8 EBCDIC Name of this system (from IEASYSxx parmlib member, SYSNAME parameter).
16 10 R744FFLG 1 binary Status Flags.
Bit
Meaning when set
0
Coupling facility was connected to the system at the end of the interval
1
Coupling facility became active during the interval
2
Permanent error in cycle gatherer during the complete interval
3
Dynamic dispatching is active. Valid if R744FLVL > 14.
4
Thin interrupts are enabled. Valid if R744FLVL > 18.
5-7
Reserved.
17 11 R744FFLC 1 binary Informational Flags.
Bit
Meaning when set
0
CHPIDs set offline during the interval
1-7
Reserved.
18 12   1   Reserved.
19 13 R744FAMV 1 binary IXLYAMDA Version.
20 14 R744FPAM 4 binary Number of paths available to the coupling facility.
24 18 R744FPBC 8 l_float Number of times coupling facility requests fail due to path busy.
32 20 R744FSCG 4 binary Number of subchannels defined.
36 24 R744FSCU 4 binary Number of subchannels currently in use.
40 28 R744FSCL 4 binary Number of subchannels that can be used (limit).
44 2C R744FSCC 8 l_float Subchannel contention count (all subchannel busy).
52 34 R744FTOR 8 l_float Total number of requests from this system.
60 3C R744FAIL 8 l_float Number of unsuccessful requests from this system.
68 44 R744FTIM 8 binary Total service time for unsuccessful requests in microseconds.
76 4C R744FSQU 8 binary Total squares of service time for unsuccessful requests (in square-microseconds).
84 54 R744FCTM 8 binary Total contention time (microseconds) for waiting for subchannels to become free for synchronous immediate operations.
92 5C R744FCSQ 8 binary Total squares of contention time for waiting for subchannels to become free for synchronous immediate operations.
100 64 R744FMOD 6 EBCDIC Coupling facility type. The type is right alligned with leading blanks if necessary.
106 6A R744FVER 3 EBCDIC Coupling facility model.
109 6D R744FMPC 2 EBCDIC Manufacturer plant code of the coupling facility.
111 6F R744FLPN 1 binary Partition identifier of CF. Valid with SMF74SRL ≥ X'55'(85) and RMF™ version number SMF74MFV ≥ 718F
112 70 R744FLVL 4 binary Coupling facility level.
116 74 R744FPAS 1 binary Path-available mask for CF links.
117 75 R744FPIS 1 binary Path-installed mask for CF links.
118 76 R744FPCM 1 binary Composite-path mask: paths that have a physical or logical connection to the facility or that are connected to the facility in the active policy.
119 77   1   Reserved.
The following field is available eight times for eight possible channel paths.
120 78 R744FTAP 5 EBCDIC Channel path type acronym.
160 A0 R744FSEQ 12 EBCDIC Sequence number of this coupling facility.
172 AC R744FPSN 2 binary Number of shared processors. Valid if R744FLVL > 14.
174 AE R744FPDN 2 binary Number of dedicated processors. Valid if R744FLVL > 14.
The following field is available eight times for eight possible channel paths.
176 B0 R744FIDP 1 binary Channel path identifier. The range of values is X'00' to X'FF'.
184 B8 R744FCPI 2 binary Index to first channel path data section associated with this coupling facility.
186 BA R744FCPN 2 binary Number of channel path data sections for channel paths of type Start of changeCIB, CFP, or CS5End of change connected to this coupling facility. This count matches the number of subsequent channel path data sections.