196.4.2.11 Megatrace

The feature Megatrace offers the possibility to save trace data in multiple files (up to 100).
Service Information
•
The feature is activated if AMO TRACS parameter MAXBLKFL in the branch CMD=ON, STYPE=HD contains two values connected by "-”.
•
The file names are constructed by parameter FILE plus a number starting with 00 up to 99 (e.g.: :DIAG:TRACE00, :DIAG:TRACE01, etc.).
•
The other parameters of the branch CMD=ON, STYPE=HD work as usual; e.g. in case of WRAP=Y trace data saving continues after the last specified file again with the first file.
Note: As soon as some files are full, copy them to an external server. If later these files will be overwritten by wrapping the data are already saved . Therefore you have a real endless trace protocol, limited only by capacity of your external server.
•
In case of too less space on the hard disk, trace files are reduced automatically according to the existing rules (occupy half of the available space) respectively, if there is no space anymore, the number of files is reduced.
Note: Calculate maximum number of blocks per file according to available space divided by the number of specified files (e.g. 100).
•
Outputs of STA,L DISPLAY,* etc. are adapted to the extended trace file environment.
•
If you don't specify in MAXBLKFL the second value, only one trace file will be generated with the specified size.
Generation (Example)
INPUT-TRACS:CMD=ON,STYPE=HD,FILE="DIAG:TRACE",MAXBLKFL=200-50;
This command starts saving trace data into file :DIAG:TRACE00. As soon as this file is full with 200 blocks saving data continues using :DIAG:TRACE01 and so on up to :DIAG:TRACE49.
Important: Traces should be always activated to diag area of the hard disk. Always verify whether disk space is sufficient with DIS-DDSM:A1,HD,1; before activation and rectify as necessary.
Input:
*STA,L;
Output:
********************************************************************************
* STANDARD TRACER *
********************************************************************************
MAX:UNLTD SELOBJ:30159 ACTOBJ:583 TRC:ON SITE:AMO RST:OFF
STARTCD:D STOPCD:D PETRACD:D STOPALLCD:D
SELECTIONS AT TRACEPOINT SD :
CONDITIONGROUP 1 ( MAX. MESSAGE LENGTH = 3000 BYTES ) :
ALL MESSAGES ARE ENTERED INTO THE TRACE BUFFER
SELECTIONS AT TRACEPOINT RCV :
CONDITIONGROUP 1 ( MAX. MESSAGE LENGTH = 3000 BYTES ) :
ALL MESSAGES ARE ENTERED INTO THE TRACE BUFFER
STANDARD TRACER FILES :DIAG:TRACE00 ... 49
CURRENTLY WRITING TO FILE :DIAG:TRACE01
+--+-------------+---------------+---------------+---------------------+-------+
|NO| BLOCK | BLK:CURNO-BEG| BLK:CURNO-END| TIME-BEG/TIME-END | INFO |
+--+-------------+---------------+---------------+---------------------+-------+
|00| 1-200 | 1: 34245 | | 2016-09-29 13:30:32 | |
| | | | 200: 6016 | 2016-09-29 13:36:59 | |
+--+-------------+---------------+---------------+---------------------+-------+
|01| 201-400 | 201: 6017 | | 2016-09-29 13:37:00 | |
| | | | 348: 30546 | 2016-09-29 13:39:28 |ACT BLK|
+--+-------------+---------------+---------------+---------------------+-------+
|02| FILE DOES NOT CONTAIN TRACE DATA |
+--+-------------+---------------+---------------+---------------------+-------+
|03| FILE DOES NOT EXIST |
+--+-------------+---------------+---------------+---------------------+-------+
.
.
.
.
+--+-------------+---------------+---------------+---------------------+-------+
|49| FILE DOES NOT EXIST |
+--+-------------+---------------+---------------+---------------------+-------+
********************************************************************************
* COMMON INFORMATION *
********************************************************************************
USER:
SERI:OS
BUFFER OF THE RESIDENT TRACER: 7 BUFFER AT 64000 BYTE
STDTR:5 FLAGTR:0 AUTOTR:2 RDSTR:0 FREE:0
TRACE BUFFER POOL: 20 BUFFER AT 64000 BYTE
STDTR:5 FLAGTR:0 DISPLAY:0 RDSTR:0 FREE:15
TRACER INPUT IN BPA (STANDARD TRACER ) PLEASE:
 
Input:
*DISPLAY,*;
Output:
OUTPUT OF STANDARD TRACER FILES :DIAG:TRACE00 ... 49
CURRENTLY WRITING TO FILE :DIAG:TRACE01
+--+-------------+---------------+---------------+---------------------+-------+
|NO| BLOCK | BLK:CURNO-BEG| BLK:CURNO-END| TIME-BEG/TIME-END | INFO |
+--+-------------+---------------+---------------+---------------------+-------+
|00| 1-200 | 1: 34245 | | 2016-09-29 13:30:32 | |
| | | | 200: 6016 | 2016-09-29 13:36:59 | |
+--+-------------+---------------+---------------+---------------------+-------+
|01| 201-400 | 201: 6017 | | 2016-09-29 13:37:00 | |
| | | | 360: 32272 | 2016-09-29 13:39:34 |ACT BLK|
+--+-------------+---------------+---------------+---------------------+-------+
|02| FILE DOES NOT CONTAIN TRACE DATA |
+--+-------------+---------------+---------------+---------------------+-------+
|03| FILE DOES NOT EXIST |
+--+-------------+---------------+---------------+---------------------+-------+
.
.
.
.
+--+-------------+---------------+---------------+---------------------+-------+
|49| FILE DOES NOT EXIST |
+--+-------------+---------------+---------------+---------------------+-------+
TRACER INPUT IN BPA (STANDARD TRACER ) PLEASE:
 
TRACE FILE SIZE CALCULATION:
Traces files should be made to the :DIAG: partition only. A block is about 62.5K (62,500) bytes. For a 200 block file, it will be 200 x 62,500 = 12.5 MB (12,500,000).
You should never use all of the free blocks, so it is recommend to calculate trace file size based on a maximum of 580 MB free space, even though the partition size is actually 616 MB from V6 (this allows space for the other functions that use it e.g. Standard Trace files and RMX Hotfix activation, backup of previous AMOs to the RV directory).
As an example (using 580 MB as a guideline), 580 MB divided by 12.5 MB would allow just over 46 files 200 with blocks (580/12.5=46.4).
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