X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fnfsstat%2Fnfsstat.man;h=461b2c02e7cf9ad5bd15ce01b8da0e2fdfb9ed4a;hp=5d2acc502f7d4a8a4e806a7571228db6b35a40be;hb=d2319b9cabc67d999b16aea2077a4a3c642ec28d;hpb=d235c98d94c70b175c195d00cebbc190f61a6380

diff --git a/utils/nfsstat/nfsstat.man b/utils/nfsstat/nfsstat.man
index 5d2acc5..461b2c0 100644
--- a/utils/nfsstat/nfsstat.man
+++ b/utils/nfsstat/nfsstat.man
@@ -35,7 +35,7 @@ Print only NFS v3 statistics.
 .B \-4
 Print only NFS v4 statistics. 
 .TP
-.B \-m, \-\-mounted
+.B \-m, \-\-mounts
 Print information about each of the mounted \fBNFS\fR file systems.
 
 If this option is used, all other options are ignored.
@@ -72,8 +72,27 @@ Display all of the above facilities.
 .B \-v, \-\-verbose
 This is equivalent to \fB\-o all\fR.
 .TP
-.B \-Z, \-\-sleep
-Instead of printing statistics and immediately exiting,
+.BI "\-S, \-\-since " file
+Instead of printing current statistics, 
+.B nfsstat
+imports statistics from
+.I file
+and displays the difference between those and the current statistics.
+Valid input
+.IR file "s may be in the form of "
+.B /proc/net/rpc/nfs
+(raw client stats),
+.B /proc/net/rpc/nfsd
+(raw server stats), or saved output from
+.B nfsstat
+itself (client and/or server stats).   Any statistics missing from a saved
+.B nfsstat
+output 
+.I file
+are treated as zeroes.
+.TP
+.B \-Z[interval], \-\-sleep=[interval]
+Instead of printing current statistics and immediately exiting,
 .B nfsstat
 takes a snapshot of the current statistics and pauses until it receives
 .B SIGINT
@@ -81,6 +100,11 @@ takes a snapshot of the current statistics and pauses until it receives
 .BR Ctrl-C ),
 at which point it takes another snapshot and displays the difference
 between the two.
+If \fIinterval\fR is specified, 
+.B nfsstat
+will print the number of \fBNFS\fR calls made since the previous report.
+Stats will be printed repeatedly every \fIinterval\fR seconds.
+.\" --------------------- EXAMPLES -------------------------------
 .SH EXAMPLES
 .TP
 .B nfsstat \-o all \-234