SYSGRS component trace

Before using this component trace

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The following summarizes information for requesting a SYSGRS component trace for global resource serialization.

Information	For SYSGRS:
Parmlib member	CTnGRSxx; default member: CTIGRS00 specified in GRSCNF00 member
Default tracing	Yes, if global resource serialization ring is active; CONTROL and MONITOR options
Default tracing	Yes, if global resource serialization star is active; CONTROL1, CONTROL2, SIGNAL0 and MONITOR options
Trace request OPTIONS parameter	In CTnGRSxx and REPLY for TRACE command
Buffer	Default: 16MB Range: 128KB - 2047MB (System rounds size up to nearest 64KB boundary.) Size set by: CTnGRSxx member Change size after IPL: Yes, when restarting a trace after stopping it Location: In the GRS address space above the bar.
Trace records location	Address-space buffer, trace data set
Request of SVC dump	By DUMP or SLIP command
Trace formatting by IPCS	SYSGRS component trace
Trace format OPTIONS parameter	FLOW, CONTROL, MONITOR, REQUEST, SIGNAL, and RSA. See OPTIONS parameter for details on sub-options.