TPDC Manual (G06.24+)
Table Of Contents
- What’s New in This Manual
- About This Manual
- 1 TPDC Overview
- TPDC Components and Architecture
- Tandem Performance Data Collector (TPDC)
- Tandem Performance System File Label (TPSFL)
- Tandem Performance File Label (TPFL)
- Tandem Performance Load Measure (TPLM)
- Tandem Performance Load Data (TPLD)
- System Performance Analysis Using Measure (SPAM)
- Tandem Performance Deferred Processing (TPDP)
- Data Files (RWS, DWS, UWS)
- How TPDC Collects Data
- Example: Scheduling TPDC Data Collection
- TPDC Components and Architecture
- 2 Installing and Running TPDC
- 3 Using the Collected Data
- 4 Using the System Configuration Reports
- 5 Using the SPAM Performance Data Charts and Reports
- Overview of the Charts and Reports
- Performance Data Charts
- Acceleration Profiles of User Programs (AXLCHRT)
- Apportioned Program CPU Consumption (WKLOAD)
- Average CPU Utilization (ACUCHRT)
- Average Disc Utilization (ADUCHRT)
- Data Communications Line Overview (DATACOM)
- Disc Cache Performance (DCPCHRT)
- Disc File Block Splits Shares (BLKSPLT)
- Disc File I/O Activity Distribution (DFIODST)
- Disc File Overview (Alphabetic) (DFOATBL)
- Disc File Physical I/O Shares (DFPIOS)
- Disc File ‘Requests Blocked’ Shares (REQBLKD)
- Disc File System I/O Shares (DFSIOS)
- Disc I/Os per Second (DIOCHRT)
- Disc Response Time (DRTCHRT)
- EXPAND Communications Line Overview (EXPAND)
- Global Indicators (COVER)
- Logical Disc File I/O Wait Shares (LDFIOWT)
- SQL/MP Program Overview (SQLPROG)
- SQL/MP Statement Overview (SQLSTAT)
- Process Category Counts (PCOUNTS)
- Process/CPU Priority Distribution (PRIDIST)
- Program Disc File I/O Wait Shares (PGDIOWT)
- Program Logical File Open Shares (PGOPENS)
- Program Logical I/O Wait Shares (PGLIOWT)
- Program Overview (PGOVIEW)
- Program Spooler File I/O Wait Shares (PGSPLWT)
- Relative CPU Balance (RCBCHRT)
- Relative Disc Balance (RDBCHRT)
- TMF Overview (TMFVIEW)
- Performance Data Reports
- Busiest Disc Files (Logical I/O Wait Time, Overall) (IOWOVER)
- Busiest Disc Files (Logical I/Os, by Volume) (LIOBVOL)
- Busiest Disc Files (Physical I/Os, by Volume) (PIOBVOL)
- Busiest Disc Files (System I/Os, by Volume) (SIOBVOL)
- Busiest Processes (by CPU) (PBSYCPU)
- CPU Activity (CPUREPT)
- Disc Cache 1 (Activity, by Block Size) (CACHE1)
- Disc Process Activity (DPREPT)
- Disc Subsystem Activity (DSCREPT)
- EXPAND Network Line Activity (NETREPT)
- Global Indicators (COVER)
- Low Selectivity (Needle in a Haystack) SQL Table Access Report (HAYSTCK)
- Network System Activity (SYSREPT)
- New Process Creation Timeline (NEWPROC)
- PATHWAY System Processes (PATHWAY)
- Physical Disc I/O Activity (PDISCIO)
- Process Existence Timeline (PTIMLIN)
- Process Memory Utilization (by CPU) (PMEMCPU)
- Process Page Faults (by CPU) (PFLTCPU)
- Server Summary (from $RECEIVE File) (SERVICE)
- TMF Activity Report (TMFREPT)
- A Entity and Attribute Definitions
- B Cross-Reference of Enform Queries to Data Files
- C Enform Query Source File (QPGROUPS)
- Index

Using the SPAM Performance Data Charts and
Reports
Tandem Performance Data Collector (TPDC) Manual—526357-001
5-16
Disc File I/O Activity Distribution (DFIODST)
page 3
Disc File I/O Activity Distribution for System \CSO (Release D20)
-----------------------------------
__________________________________________________________________________
| CPU's | | VOLUME's | | FILE's |ESTIMATED
| % of | | % of | | % of |UTILIZATN
| TOTAL | | CPU | | VOLUME | SHIFT
Cpu Chit DIOs $Volume Chits DIOs Subvol .Filename Chits DIOs Cpu Disc
--- ====+==== -------- =====+===== ----------------- =====+===== ---- ----
2 $JACK2 GM930802.G1530LOG .4 1.8 . .0
#3740 .1 3.8 . .1
GM930802.ALTKFILE .2 2.4 . .0
JFDSPAM .ZZVS806 .0 2.4 . .0
#3741 .1 1.0 . .0
----- ----- ---- ----
* 97.6 93.7 .8 1.2
$GPATS2 7.5 3.6 SYS00 .DIRECTRY 99.9 99.0 .4 .2
----- ----- ---- ----
* 99.9 99.0 .4 .2
$GPATS1 5.5 4.1 SYS00 .DIRECTRY 99.8 99.2 .3 .4
----- ----- ---- ----
* 99.8 99.2 .3 .4
$IMAGE 5.1 2.0 SYS00 .DIRECTRY 100.0 99.1 .3 .1
----- ----- ---- ----
* 100.0 99.1 .3 .1
$DATA1 3.6 2.3 SYS00 .DIRECTRY 99.7 98.8 .2 .1
----- ----- ---- ----
* 99.7 98.8 .2 .1
$DATA2 3.5 2.4 SYS00 .DIRECTRY 99.7 98.8 .2 .2
----- ----- ---- ----
* 99.7 98.8 .2 .2
$DATA3 2.8 2.4 SYS00 .DIRECTRY 100.0 99.0 .2 .1
----- ----- ---- ----
* 100.0 99.0 .2 .1
$GPADV1 2.5 2.2 SYS00 .DIRECTRY 99.4 98.3 .2 .0
----- ----- ---- ----
* 99.4 98.3 .2 .0
$TUBTS1 2.3 1.7 SYS00 .DIRECTRY 100.0 98.8 .1 .1
----- ----- ---- ----
* 100.0 98.8 .1 .1
$GIAO2 1.5 2.6 SYS00 .DIRECTRY 99.3 98.9 .1 .2
----- ----- ---- ----
* 99.3 98.9 .1 .2