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nfslogsum(8)							  nfslogsum(8)

NAME
       nfslogsum - Summarize nfswatch log file

SYNOPSIS
       /usr/sbin/nfslogsum [-n] [-v] [logfile]

OPTIONS
       Directs	nfslogsum  to  read  only the first n entries in the log file.
       This is useful for summarizing log files in  cumulative	chunks.	  Pro‐
       duces a verbose summary of the log file.

DESCRIPTION
       The  nfslogsum  command	summarizes  log files produced by the nfswatch
       program. By default the log file nfswatch.log is summarized; an	alter‐
       nate log file can be specified on the command line.

       Each nfswatch log file may contain one or more log sessions, each indi‐
       cated by a header which is printed when logging is turned on. For  each
       log session, nfslogsum tallies up the interval packet totals and prints
       out a one-page summary of the log session. Total packets	 and  percent‐
       ages are tabulated for each category and displayed.

       In  addition  to	 the summary information printed as described above, a
       summary of how many calls to each NFS procedure were made on each  file
       system and individual file will be printed. This summary information is
       divided into three sections of six columns each. The columns are headed
       by the names of the following NFS procedures: Does nothing. This proce‐
       dure is provided to allow server response testing and timing.  Gets the
       file attributes (type, mode, number of links, owner's uid, owner's gid,
       size, access, modification and change times, and others).  This	proce‐
       dure  is	 used  by  the stat(2) system call, as well as several others.
       Sets the file attributes	 (mode, owner's	 uid,  owner's	gid,  size  in
       bytes, access and modification times). This procedure is used by system
       calls such as chmod(2), chown(2), and truncate(2).  Gets the file  sys‐
       tem  root. This procedure is obsolete, and has been replaced by a MOUNT
       protocol procedure.  Looks up the file name. This procedure is used  to
       obtain an initial file handle for use in current and future requests on
       that file, and is used by many different system calls.  Reads from  the
       symbolic	 link.	This procedure is used by the readlink system call and
       by the kernel.  Reads data from the file. This procedure is used by the
       read(2)	system	call.	Writes to the cache. Unused in the current NFS
       protocol revision.  Writes data to a file. This procedure  is  used  by
       the  write(2)  system  call.  Creates a file. This procedure is used by
       the creat(2) and open(2) system calls.  Removes a file. This  procedure
       is  used	 by the unlink(2) system call.	Renames a file. This procedure
       is used by the rename system call.  Creates a link to  the  file.  This
       procedure  is used by the link(2) system call.  Creates a symbolic link
       to the file. This procedure is used  by	the  symlink(2)	 system	 call.
       Creates	a  directory.  This  procedure	is used by the mkdir(2) system
       call.  Removes a directory. This procedure is used by the rmdir(2) sys‐
       tem  call.   Reads entries from a directory. Generally only one READDIR
       call is needed per directory, since a variable number of entries can be
       returned.   Gets	 file  system  attributes  (transfer size, block size,
       blocks in use, blocks free). This procedure is used  by	the  statfs(2)
       system call.

RESTRICTIONS
       The  nfslogsum  utility is sensitive to the format of the log file pro‐
       duced by nfswatch. Do not edit or change the log file before  using  it
       as input to nfslogsum.

SEE ALSO
       Commands: nfswatch(8), tcpdump(8)

       Networking: bpf(7), packetfilter(7)

								  nfslogsum(8)
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