Performance data vector general format

The general format of the performance data vector is shown in Table 1.

Table 1. Performance data vector
Dec (Hex) offset	Size (Bytes)	Description
0 (0)	2	Length of entire performance data vector (including length field)
2 (2)	6	Vector identifier Byte Description 2–3 Major data category 4–5 Data subcategory 6–7 Subcategory record type
8 (8)	n	Performance data (based on vector identifier)

The 6-byte vector identifier determines the performance data starting in byte 8. The vector identifier, which is a concatenation of the major data category, the data subcategory, and the subcategory record type, can be one of the following values in Table 2.

Table 2. Performance data vector identifiers
Vector identifier	Description
X'000100010001'	Global environment vector
X'000100020001'	Global installation-wide exit vector
X'000100030001'	Global storage buffer pool vector
X'000100030002'	Global storage private storage vector
X'000100030003'	Global storage CSA vector
X'000100030004'	Global storage GETBLK vector
X'000100040001'	Global session vector
X'000100050001'	Global APPN directory services vector
X'000100050002'	Global APPN directory services border node vector
X'000100060001'	Global APPN topology data vector
X'000100070001'	CSM buffer pool vector
X'000100070002'	CSM storage usage vector
X'000200010001'	Basic route data vector
X'000300010001'	RTP data vector
X'000300010002'	RTP data vector - RSCV information
X'000300010003'	RTP data vector - COS/TPF information
X'000400010001'	MNPS application recovery data vector
X'000400010002'	MNPS application data vector
X'000500010001'	MNPS coupling facility structure vector

The performance data for each vector is described in Table 1 through Table 1. In the following tables, resettable data refers to data that is reset when requested. Rolling counter data refers to data that is never reset to zero, but rather, rolls over to zero when the counter reaches its capacity.