Perl script for finding invalidations in Dynacache Trace

Dynatrace.pl - Tool for finding invalidations in Dynacache Trace

This tool searches Dynacache Trace for invalidations and generates two CSV files.

Pre-req

This tool requires Perl. ActivePerl can be installed on Windows. The DateTime package is required.

The log to be parsed needs to contain Dynacache Tracing.

Usage

C:\>dynatrace.pl

usage: C:\dynatrace.pl [OPTIONS] FILE

Trace should contain this trace:
  com.ibm.ws.cache.*=all:com.ibm.ws.drs.*=all

Tool looks for this line:
  Cache.remove() cacheName=baseCache id=Customers cause=1 source=2

Filtering Options:

-i  | --instance CACHE_INSTANCE
  Tool uses the contains reg ex

-c  | --cause CAUSE
  Use either number of string
   0    UNSET
   1    DIRECT
   2    LRU
   3    TIMEOUT
   6    INACTIVITY
   7    DISK_GARBAGE_COLLECTOR
   8    DISK_OVERFLOW

-s  | --source SOURCE
   1    MEMORY
   2    REMOTE
   3    DISK
   4    NOOP
   5    LOCAL

Output:
  - FILE.inv.csv
  - FILE.inv.nonum.csv

  FILE.inv.nonum.csv can be used for grouping

Example Usage

C:\>dynatrace.pl --source REMOTE trace.log
-----> Grepping file: trace.log
-----> Filtering by source=REMOTE
-----> Processing: trace.log
-----> Writing trace.inv.csv
-----> Writing trace.inv.nonum.csv
-----> Log file format: Default - short
-----> Process trace.log file. Found 3443 invalidations
-----> Done

Download

Download the tool from here ---------> Dynatrace.pl