---
title: "SMF 73 Channel Path Activity"
slug: "smf-73-channel-path-activity"
updated: 2024-02-28T16:17:19Z
published: 2024-02-28T16:17:19Z
canonical: "docs.zetaly.io/smf-73-channel-path-activity"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zetaly.io/llms.txt
> Use this file to discover all available pages before exploring further.

# SMF 73 Channel Path Activity

## Introduction

## Fields

Stored in chpData

| SMF Field | DB Column name | Description |
| --- | --- | --- |
|  | recType | Value is always 0 |
| SMF73DAT | startTime | Date when the RMF measurement interval started |
| SMF73DTE SMF73TME | endTime | Date when the record was moved into the SMF buffer |
|  | seconds |  |
| SMF73SID | sid | System identification |
| SMF73XNM | sysplex | Sysplex name as defined in parmlib member COUPLExx |
| SMF73SNM | systemName | System name for current system as defined in parmlib member IEASYSxx SYSNAME parameter |
| SMF73PID | chpid | Channel path identification |
| SMF73CSS | cssid | Channel subsystem ID |
| SMF73ACR | chpAcron | Channel path acronym |
| SMF73CPD | chpType | Channel path description |
| SMF73CMG | cpmfGroup | CPMF Channel measurement group |
| SMF73CPP | chpParam | Channel path parameter |
| SMF73GEN | chpGen | Channel type generation |
| SMF73CFL SMF73SFL | cpFlags | Configuration change flags |
| SMF73FG2 SMF73FG3 | cpFlags2 | Channel flags extension |
| SMF73FG4 | pathFlags | Channel path flags |
| SMF73FG5 | cpmfFlags | CPMF validation flags |
| SMF73SAM) | sampleCount | Number of RMF samples |
| SMF73BSY | busyCount | Count of store channel path status samples taken by SRM in which the channel path related to this entry was found busy |
| SMF73PBY | busyTime | Partitions channel-path-busy-time since last RMF interval |
| SMF73PTI | measIntval | Partitions channel-path measurement interval |
| SMF73MBC | maxCycle | Maximum bus cycles per second |
| SMF73MCU | maxUnit | Maximum channel work units per second |
| SMF73MWU | maxWrite | Maximum WRITE data units per second |
| SMF73MRU | maxRead | Maximum READ data units per second |
| SMF73US | unitSize | Data unit size |
| SMF73TBC | totCycle | Total bus cycles count |
| SMF73TUC | totUnit | Total channel work unit count |
| SMF73PUC | lparUnit | LPAR channel work units count |
| SMF73TWU | totWrite | Total WRITE data units count |
| SMF73PWU | lparWrite | LPAR WRITE data units count |
| SMF73TRU | totRead | Total READ data units count |
| SMF73PRU | lparRead | LPAR READ data units count |
| SMF73EOC | cpcAttempt | Total number of FICON command-mode operations that have been attempted by the channel |
| SMF73EOD | cpcMissed | Total number of FICON command-mode operations that could not be initiated by the channel because of a lack of available resources |
| SMF73EOS | cpcSumm | Summation count of FICON command-mode operations |
| SMF73ETC | hpfAttempt | Total number of FICON transport-mode operations that have been attempted by the channel |
| SMF73ETD | hpfMissed | Total number of FICON transport-mode operations that could not be initiated by the channel because of a lack of available resources |
| SMF73ETS | hpfSumm | Summation count of FICON transport-mode operations |
|  | actionId |  |
|  | cec_name |  |
|  | cec_type |  |
|  | cec_model |  |
|  | lpar_name |  |