[z/OS]

SMF Subtype 3: Server interval record

The purpose of the server interval SMF record is to record activity that is running inside a WebSphere®Application Server for z/OS®. This record is produced at regular intervals and is an aggregate of the work that ran inside the server instance during the interval.

A single record is created for each server instance that has interval recording active during the interval. When a server is configured with multiple server instances, each server instance writes a record and the records from all the server instances must be merged by whoever is looking at the SMF records to get a complete view of the work that ran inside the logical server.

You can activate this record through the administrative console by setting server_SMF_server_interval_enabled=1 (or server_SMF_server_interval_enabled=true). You can specify an interval through the administrative console by setting server_SMF_interval_length=n, where n is the desired number of seconds.

Server interval record schema

This section includes Subtype 3: Server interval record.

Server interval section

Table 1. Server interval section. The server interval section contains information about each activity that occurred within one server.
Offset (decimal) Offset (hexadecimal) Name Length Format Description
0 0 SM120HN2 64 EBCDIC WebSphereApplication Server for z/OStransaction server host name
64 40 SM120SNI 8 EBCDIC WebSphereApplication Server for z/OStransaction server name
72 48 SM120INI 8 EBCDIC WebSphereApplication Server for z/OStransaction server instance name
80 50 SM120SST 16 S390STCK Time that the sample began in the server
96 60 SM120SET 16 S390STCK Time that the sample ended
112 70 SM120NG2 4 binary Number of global transactions that have run through the server instance during the interval that have been initiated by the server instance during the interval
116 74 SM120NL2 4 binary Number of local transactions that have been initiated by the server instance during the interval
120 78 SM120NCS 4 binary Reserved
124 7C SM120NCA 4 binary The number of communications sessions that have been active during the interval
128 80 SM120NLS 4 binary Reserved
132 84 SM120NLA 4 binary Number of active local communication sessions that have been attached and active within the server instance during the interval
136 88 SM120NRS 4 binary Reserved
140 8C SM120NRA 4 binary Number of active remote communication sessions that have been attached and active within the server instance during the interval
144 90 SM120BTS 4 binary Number of bytes that have been transferred to the server from all attached clients

'FFFFFFFF'X indicates the 4-byte field is too small. Use SM120ITS, an 8-byte field, instead.

148 94 SM120BFS 4 binary Number of bytes that have been sent from the server to all attached clients

'FFFFFFFF'X indicates the 4-byte field is too small. Use SM120IFS, an 8-byte field, instead.

152 98 SM120BTL 4 binary Number of bytes that have been transferred to the server from all locally attached clients

'FFFFFFFF'X indicates the 4-byte field is too small. Use SM120ITL, an 8-byte field, instead.

156 9C SM120BFL 4 binary Number of bytes that have been transferred from the server to all locally attached clients

'FFFFFFFF'X indicates the 4-byte field is too small. Use SM120IFL, an 8-byte field, instead.

160 A0 SM120BTR 4 binary Number of bytes that have been transferred to the server from all remotely attached clients

'FFFFFFFF'X indicates the 4-byte field is too small. Use SM120ITR, an 8-byte field, instead.

164 A4 SM120BFR 4 binary Number of bytes that have been transferred from the server to all remotely attached clients

'FFFFFFFF'X indicates the 4-byte field is too small. Use SM120IFR, an 8-byte field, instead.

168 A8 SM120J2 4 binary J2EE server.
172 AC SM120CL1 8 EBCDIC WebSphereApplication Server for z/OStransaction server cell name
180 B4 SM120ND1 8 EBCDIC WebSphereApplication Server for z/OStransaction server node name
188 BC SM120NHS 4 binary Reserved
192 C0 SM120NHA 4 binary Number of HTTP communication sessions that have been attached and active within the server instance during the interval
196 C4 SM120BTH 4 binary Number of bytes that have been transferred to the server from all HTTP attached clients

'FFFFFFFF'X indicates the 4-byte field is too small. Use SM120ITH, an 8-byte field, instead.

200 C8 SM120BFH 4 binary Number of bytes that have been transferred from the server to all HTTP attached clients

'FFFFFFFF'X indicates the 4-byte field is too small. Use SM120IFH, an 8-byte field, instead.

204 CC SM120TEC 8 binary Total CPU time accumulated by the WLM enclaves. TOD clock format (bit 51 = microseconds).
212 D4 SM120ITS 8 binary Number of bytes that have been transferred to the server from all attached clients.
220 DC SM120IFS 8 binary Number of bytes that have been sent from the server to all attached clients
228 E4 SM120ITL 8 binary Number of bytes that have been transferred to the server from all locally attached clients
236 EC SM120IFL 8 binary Number of bytes that have been transferred from the server to all locally attached clients
244 F4 SM120ITR 8 binary Number of bytes that have been transferred to the server from all remotely attached clients
252 FC SM120IFR 8 binary Number of bytes that have been transferred from the server to all remotely attached clients
260 104 SM120ITH 8 binary Number of bytes that have been transferred to the server from all HTTP attached clients
268 10C SM120IFH 8 binary Number of bytes that have been transferred from the server to all HTTP attached clients
276 114 SM120ITP 8 binary Number of bytes that have been transferred to the server from all SIP attached clients
284 11C SM120IFP 8 binary Number of bytes that have been transferred from the server to all SIP attached clients.
292 124 SM120NPA 4 Binary Number of SIP communication sessions that have been attached and active within the server instance during the interval
296 128 SM120BTP 4 binary Number of bytes that have been transferred to the server from all SIP attached clients. 'FFFFFFFF"X indicates the 4-byte field is too small. Use SM120ITP, an 8-byte field, instead.
300 12C SM120BFP 4 binary Number of bytes that have been transferred from the server to all SIP attached clients. 'FFFFFFFF"X indicates the 4-byte field is too small. Use SM120IFP, an 8-byte field, instead.
304 130 SM120IR1 4   Reserved

Server servant section

Table 2. Server servant section. There are zero, one, or multiple sections per record. The server servant section contains information about each server servant in the specified server interval.
Offset Offset Name Length Format Description
0 0 SM120SSA 4 binary Servant address space ID
4 4 SM120SNT 4 binary Number of triplets.
The following triplet appears 0-n times; once for each heap id section.
8 8 SM120SSO 4 binary Offset to heap id section from the beginning of this server servant section.
12 C SM120SSL 4 binary Length of heap id section.
16 10 SM120SSN 4 binary Number of heap id sections.

Subtype 3: Heap ID section

Table 3. Subtype 3: Heap ID section. There are multiple (0..n) sections per server servant section. The Heap id section contains information about all heaps of this server servant involved in this activity.
Offset Offset Name Length Format Description
0 0 SM120HIH 4 binary The heap for which the following data applies.
4 4 SM120HIC 4 binary Number of allocation failures on this heap during the interval.
8 8 SM120HI1 8 binary Minimum number of bytes during the interval.
16 10 SM120HI2 8 binary Maximum number of bytes during the interval.
24 18 SM120HI3 8 binary Average number of bytes during the interval.
32 20 SM120HI4 8 binary Minimum number of free bytes during the interval.
40 28 SM120HI5 8 binary Maximum number of free bytes during the interval.
48 30 SM120HI6 8 binary Average number of free bytes during the interval.

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時間戳記圖示 前次更新: July 9, 2016 11:13
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