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       analyze.cifs.server  -  CIFS  server (Samba) log file analysis utility,
       designed to report useage statistics on type, frequency and duration of
       SMB requests.

       analyze.cifs.server [-c] [-h] [-D] <filename>

       Utility	for  analyzing	the contents of a CIFS server log file for the
       quantity of different SMB  requests  handled  by	 a  CIFS  Server  SMBD
       process.	 Also provides the:
	      -	 average,  minimum  and maximum response time for each SMB re‐

	      - total summary of the most frequently seen request

	      - the request using the most time as measured in total number of
	      seconds of processing time

	      - # of requests processed

	      - # of different types of requests

	      -	 total logfile duration

       -c     Output for use as a Comma Separated Values (CSV) file

       -D     Outputs  debug information during analysis (for use by developer
	      of script only)

	      Filename to be analysed.	This is a required parameter.

       analyze.cifs.server is a Perl script and requires a Perl interpreter to
       be  installed on the system where it is being run.  To run on a Windows
       or Linux	 based	system	use  the  ActiveState  Perl  interpreter  from

       log  file: The CIFS server log file needs to be collected with the fol‐
       lowing characteristics:
	      - a debug level of at least 3, but using 6 or above will provide
	      a	 more accurate statement of the time consumed during each CIFS

	      - high resolution timestamps enabled to collect time information

	      - correct logging defined to provide a separate log file per us‐
	      er or machine as opposed to one log file for  all	 users	/  ma‐

	      -	 log  file large enough to collect the full client transaction
	      being assessed

       Details for log file configuration: CIFS server logging should  be  set
       to level 3 or above using one of the following two techniques:
	      -	 Add  the  line	 "log level = #" to the smb.conf configuration
	      file contained in /etc/opt/samba where # = 3 or greater.	 NOTE:
	      This will turn up this level of logging for ALL CIFS server SMBD
	      processes.  Please be aware of the quantity of disk  space  that
	      turning on logging for all processes may create.

	      -	 To  analyse  an individual CIFS SMBD process you can increase
	      the level of logging for that process using the command:	 "kill
	      -USR1  <PID>"   where  PID  = process ID of the SMBD being moni‐
	      tored.  Each time this command is run the logging level  is  in‐
	      creased  by one, so if the default log level defined in smb.conf
	      is "log level = 1", then you will need to execute this command 5
	      times  to	 increase the logging level to 6.  To decrease logging
	      again use the corresponding command:  "kill  -USR2  <PID>",  and
	      repeat  the required number of times to decrease the loggin back
	      to the default value.  This method  is  supported	 for  HP  CIFS
	      Server version A.01.11.04 and below.

	      For  HP Cifs Server A.02.01 and above, change the debug level of
	      a single smbd process using the  /opt/samba/bin/smbcontrol  pro‐
		     smbcontrol <PID> debug [3|6]

       High  resolution	 timestamps  should be enabled by adding the following
       line to the smb.conf configuration  file:   "debug  hires  timestamp  =
       yes", and "debug timestamp - yes"

       Separate log files should be created by using one of the standard macro
       definitions available in the smb.conf file such as:

       %m     gives per client machine logging as defined by the NetBIOS  name
	      of the machine.

       %U     gives per user logging

       %I     gives per client IP address logging

       The  macro is simply appended to the standard debug log location in the
       line  in	 the  configuration   file:   log   file   =   <folder	 loca‐

       eg. log file = /var/opt/samba/log.%m

       Samba  log  files  are  created	in pairs:  <logfile> and <logfile>.old
       When the first log is full it is copied to  <logfile>.old and then log‐
       ging continues to <logfile>, so if a logfile size of 5000 kB is defined

       max log size = 5000 (default: 1000kBytes = 1Mbyte)

       then this will log a total of 10 Mbytes of data into the two files  and
       they  can  then	be concatenated together to create a single large file
       for analysis.  Remember that for higher levels of debugging a log  file
       will  fill  more rapidly and will contain less individual CIFS requests
       for analysis.

       This was done using the command:

       $ analyze.cifs.server log.johnc2

       Debug level found: 3

	       Total time consumed: 0.00398199998744531
	       Average time consumed: 0.00132733332914844
	       Minimum time consumed: 0.00129199999355478
	       Maximum time consumed: 0.0013589999944088
	       Number of times called: 3 SMBclose:
	       Total time consumed: 0.0270230000387528
	       Average time consumed: 0.00142226315993436
	       Minimum time consumed: 0.000444000004790723
	       Maximum time consumed: 0.00352700000075856
	       Number of times called: 19 SMBecho:
	       Total time consumed: 0.00100700000621146
	       Average time consumed: 0.00100700000621146
	       Minimum time consumed: 0.00100700000621146
	       Maximum time consumed: 0.00100700000621146
	       Number of times called: 1 SMBfindclose:
	       Total time consumed: 0.00623400000040419
	       Average time consumed: 0.000890571428629171
	       Minimum time consumed: 0.000854999998409767
	       Maximum time consumed: 0.000976999996055383
	       Number of times called: 7 SMBntcancel:
	       Total time consumed: 0.00974499999574618
	       Average time consumed: 0.00121812499946827
	       Minimum time consumed: 0.000905000000784639
	       Maximum time consumed: 0.00158399999781977
	       Number of times called: 8 SMBntcreateX:
	       Total time consumed: 0.0432750000036322
	       Average time consumed: 0.00196704545471055
	       Minimum time consumed: 0.000905000000784639
	       Maximum time consumed: 0.00464900000224588
	       Number of times called: 22 SMBnttrans:
	       Total time consumed: 0.0375030000141123
	       Average time consumed: 0.00129320689703836
	       Minimum time consumed: 0.00044000000343658
	       Maximum time consumed: 0.00436300000001211
	       Number of times called: 29 SMBreadX:
	       Total time consumed: 0.156680000000051
	       Average time consumed: 0.0120523076923116
	       Minimum time consumed: 0.000504000003274996
	       Maximum time consumed: 0.0470169999971404
	       Number of times called: 13 SMBtconX:
	       Total time consumed: 0.0493899999928544
	       Average time consumed: 0.0164633333309515
	       Minimum time consumed: 0.00961699999606935
	       Maximum time consumed: 0.0266389999960666
	       Number of times called: 3 SMBtrans:
	       Total time consumed: 0.0419080000065151
	       Average time consumed: 0.00419080000065151
	       Minimum time consumed: 0.00228200000128709
	       Maximum time consumed: 0.0189600000012433
	       Number of times called: 10 SMBtrans2:
	       Total time consumed: 0.149197999984608
	       Average time consumed: 0.00198930666646144
	       Minimum time consumed: 0.00046699999802513
	       Maximum time consumed: 0.00641999999788823
	       Number of times called: 75 SMBwrite:
	       Total time consumed: 0.0249350000012782
	       Average time consumed: 0.0124675000006391
	       Minimum time consumed: 0.0123209999946994
	       Maximum time consumed: 0.0126140000065789
	       Number of times called: 2 SMBwriteX:
	       Total time consumed: 0.00630800000362797
	       Average time consumed: 0.00105133333393799
	       Minimum time consumed: 0.000908000001800247
	       Maximum time consumed: 0.0012669999996433
	       Number of times called: 6

	       Lines processed: 2068
	       Total CIFS requests made: 198
	       Unique CIFS requests: 13

	       Most called CIFS request: SMBtrans2
	       CIFS request taking longest time:
		  SMBreadX taking 0.0470169999971404 seconds
	       CIFS request using most total time:
		  SMBreadX taking 0.156680000000051 seconds
	       CIFS log duration(seconds): 80.5596299999961

       analyze.cifs.server was written by Ian Jespersen and John Cheney of the
       WTEC NOS Support Team.


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