![[z/OS]](../images/ngzos.gif)
用系统管理设施 (SMF) 收集与作业相关的信息
在 WebSphere® for z/OS® 系统上可启用 SMF 收集和记录系统与作业相关信息。此信息可用于对用户开票,报告系统可靠性,分析您的配置,调度工作,识别系统资源的使用,以及执行您的组织可能需要的其他性能相关任务。
关于此任务
- 容量规划,用于确定:
- 运行了多少事务?
- 在每个服务器上运行的方法的平均和最大完成时间是多少?
- 有多少客户机连接到每个服务器实例?在这些客户机中,有多少是活动的?
- 应用程序概要信息:
- 将应用程序分成各个组件部件显示。
- 提供有关应用程序的组件部件的计时信息。
- 错误报告:
- 检测和记录软件故障(通过异常生成的或与性能相关的)。
- 使用此错误信息触发事件,一旦达到某个阈值,该事件将导致发生操作。
过程
- 请参阅启用 SMF 记录,以了解有关启用 SMF 类型 120 记录的信息。
- 请参阅查看输出数据集,以了解有关查看所记录的数据的步骤。
- 请参阅禁用 WebSphere Application Server 的 SMF 记录,以了解有关禁用 SMF 数据收集的步骤。
示例
WebSphere for z/OS 下载站点上提供的 SMF 浏览器可以显示记录类型 120。要下载 SMF 浏览器,请转至:https://www14.software.ibm.com/webapp/iwm/web/preLogin.do?source=zosos390。有关 SMF 浏览器的进一步信息,请下载浏览器软件包并阅读关联的文档。
以下示例显示来自 SMF 浏览器的样本输出。该示例按以下顺序说明了子类型 7 和子类型 8 的特征。
Record#: 14;
Type: 120; Size: 820; Date: Fri Nov 23 04:54:17 EST 2001;
SystemID: SY1; SubsystemID: WAS; Flag: 94;
Subtype: 7 (WEB CONTAINER ACTIVITY);
# Triplets: 4;
Triplet #: 1; offset: 76; length: 32; count: 1;
Triplet #: 2; offset: 108; length: 140; count: 1;
Triplet #: 3; offset: 264; length: 556; count: 1;
Triplet #: 1; Type: ProductSection;
Version: 1; Codeset: Unicode; Endian: 1; TimeStampFormat: 1 (S390STCK64);
IndexOfThisRecord: 1; Total # records: 1; Total # triplets: 4;
Triplet #: 2; Type: WebContainerActivitySection;
HostName : PLEX1;
ServerName : BBOASR4;
ServerInstanceName: BBOASR4A;
WlmEnclaveToken * 00000020 00000242 -------- --------
* ^... * p1047
ActivityID * b6c7a7b7 14e9bc85 000000b0 00000007
* 0926306b -------- -------- --------
*,............ *Cp1047
ActivityStartTime * b6c7a7b7 14e9bc85 40404040 40404040 *
ActivityStopTime * b6c7a7b7 53a8a645 40404040 40404040 *
Triplet #: 3; Type: HttpSessionManagerActivitySection;
# http sessions created: 0; # http sessions invalidated: 0;
# http sessions active: 0;
Average session life time: 0 [sec*10**-3];
Triplet #: 4; Type: WebApplicationActivitySection;
Name: PolicyIVP-localhost_1;
# Servlets: 1;
Triplet #: 4.1; offset: 272; length: 284; count: 1;
Triplet #: 4.1; Type: ServletActivitySection;
Name: SimpleFileServlet;
ResponseTime: 48 [sec*10**-3];
# errors: 0;
Loaded by this request: 0;
Loaded since (raw): ea54948e0d;
Loaded since: Thu Nov 22 10:02:49 EST 2001;
Record#: 72;
Type: 120; Size: 1744; Date: Fri Nov 23 05:01:02 EST 2001;
SystemID: SY1; SubsystemID: WAS; Flag: 94;
Subtype: 8 (WEB CONTAINER INTERVAL);
# Triplets: 4;
Triplet #: 1; offset: 76; length: 32; count: 1;
Triplet #: 2; offset: 108; length: 112; count: 1;
Triplet #: 3; offset: 264; length: 1480; count: 1;
Triplet #: 1; Type: ProductSection;
Version: 1; Codeset: Unicode; Endian: 1; TimeStampFormat: 1 (S390STCK64);
IndexOfThisRecord: 1; Total # records: 1; Total # triplets: 4;
Triplet #: 2; Type: WebContainerIntervalSection;
HostName : PLEX1;
ServerName : BBOASR4;
ServerInstanceName: BBOASR4A;
SampleStartTime * b6c7a6fd 655c0604 40404040 40404040 *
SampleStopTime * b6c7a939 9a0e614c 40404040 40404040 *
Triplet #: 3; Type: HttpSessionManagerIntervalSection;
http sessions #created: 1; #invalidated: 0;
http sessions #active: 0; Min #active: 0; Max #active: 0;
Average session life time: 0;
Average session invalidate time: 0;
http sessions #finalized: 0; #tracked: 0;
http sessions #min live: 0; #max live: 0;
Triplet #: 4; Type: WebApplicationIntervalSection;
Name: PolicyIVP-localhost_1;
# Servlets loaded: 0;
# Servlets: 4;
Triplet #: 4.1; offset: 312; length: 292; count: 1;
Triplet #: 4.2; offset: 604; length: 292; count: 1;
Triplet #: 4.3; offset: 896; length: 292; count: 1;
Triplet #: 4.4; offset: 1188; length: 292; count: 1;
Triplet #: 4.1; Type: ServletIntervalSection;
Name: SimpleFileServlet;
# requests: 6;
AverageResponseTime: 764 [sec*10**-3];
MinimumResponseTime: 18 [sec*10**-3];
MaximumResponseTime: 4133 [sec*10**-3];
# errors: 0;
Loaded since (raw): ea54948e0d;
Loaded since: Thu Nov 22 10:02:49 EST 2001;
Triplet #: 4.2; Type: ServletIntervalSection;
Name: Was40Ivp;
# requests: 4;
AverageResponseTime: 4664 [sec*10**-3];
MinimumResponseTime: 1584 [sec*10**-3];
MaximumResponseTime: 12572 [sec*10**-3];
# errors: 0;
Loaded since (raw): ea58a1509e;
Loaded since: Fri Nov 23 04:55:14 EST 2001;
Triplet #: 4.3; Type: ServletIntervalSection;
Name: /cebit.jsp;
# requests: 1;
AverageResponseTime: 204 [sec*10**-3];
MinimumResponseTime: 204 [sec*10**-3];
MaximumResponseTime: 204 [sec*10**-3];
# errors: 0;
Loaded since (raw): ea58a24a69;
Loaded since: Fri Nov 23 04:56:18 EST 2001;
Triplet #: 4.4; Type: ServletIntervalSection;
Name: JSP 1.1 Processor;
# requests: 1;
AverageResponseTime: 482 [sec*10**-3];
MinimumResponseTime: 482 [sec*10**-3];
MaximumResponseTime: 482 [sec*10**-3];
# errors: 0;
Loaded since (raw): ea54948b66;
Loaded since: Thu Nov 22 10:02:48 EST 2001;