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nfslogsum(8)							 nfslogsum(8)



NAME

  nfslogsum - Summarize	nfswatch log file

SYNOPSIS

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

OPTIONS

  -n  Directs nfslogsum	to read	only the first n entries in the	log file.
      This is useful for summarizing log files in cumulative chunks.

  -v  Produces a verbose summary of the	log file.

DESCRIPTION

  The nfslogsum	command	summarizes log files produced by the nfswatch pro-
  gram.	By default the log file	nfswatch.log is	summarized; an alternate log
  file can be specified	on the command line.

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

  In addition to the summary information printed as described above, a sum-
  mary 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:

  NULLPROC
      Does nothing. This procedure is provided to allow	server response	test-
      ing and timing.

  GETATTR
      Gets the file attributes (type, mode, number of links, owner's uid,
      owner's gid, size, access, modification and change times,	and others).
      This procedure is	used by	the stat(2) system call, as well as several
      others.

  SETATTR
      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).

  GETROOT
      Gets the file system root. This procedure	is obsolete, and has been
      replaced by a MOUNT protocol procedure.

  LOOKUP
      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.

  READLINK
      Reads from the symbolic link. This procedure is used by the readlink
      system call and by the kernel.

  READ
      Reads data from the file.	This procedure is used by the read(2) system
      call.

  WCACHE
      Writes to	the cache. Unused in the current NFS protocol revision.

  WRITE
      Writes data to a file. This procedure is used by the write(2) system
      call.

  CREATE
      Creates a	file. This procedure is	used by	the creat(2) and open(2) sys-
      tem calls.

  REMOVE
      Removes a	file. This procedure is	used by	the unlink(2) system call.

  RENAME
      Renames a	file. This procedure is	used by	the rename system call.

  LINK
      Creates a	link to	the file. This procedure is used by the	link(2)	sys-
      tem call.

  SYMLINK
      Creates a	symbolic link to the file. This	procedure is used by the sym-
      link(2) system call.

  MKDIR
      Creates a	directory. This	procedure is used by the mkdir(2) system
      call.

  RMDIR
      Removes a	directory. This	procedure is used by the rmdir(2) system
      call.

  READDIR
      Reads entries from a directory. Generally	only one READDIR call is
      needed per directory, since a variable number of entries can be
      returned.

  STATFS
      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 produced
  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)