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+.TH zttest 8 "2005-06-25" 
+.SH "NAME" 
+zttest \(em Test if the zaptel timer provides timely response
+.SH "SYNOPSIS" 
+.B zttest 
+.I [ -v ]
+
+.SH "DESCRIPTION" 
+.B zttest
+zttest runs a timing test in a loop and prints the result of each loop.
+The test is as follows:
+
+It reads 8192 bytes from the zaptel timer device (\fI/dev/zap/pseudo\fR). 
+This should take exactly 8000 ms . It uses calls to
+.I gettimeofday(2) 
+before and after that read to check that indeed exactly 8000ms have passed.
+
+Values of 100% and 99.99% Are normally considered a definite 
+.I pass.
+Values of 99.98% and 99.97% are probably OK as well.
+
+.SH OPTIONS
+.B -v
+.RS
+Be more verbose: print one line per test.
+.RE
+
+.SH FILES
+.B /dev/zap/pseudo
+.RS
+.RE
+The device file used to access the zaptel timer.
+
+.SH SEE ALSO 
+zttool(8), ztmonitor(8), ztspeed(8), ztcfg(8), asterisk(8). gettimeofday(2)
+
+.SH AUTHOR 
+
+This manual page was written by Tzafrir Cohen <tzafrir.cohen@xorcom.com> 
+Permission is granted to copy, distribute and/or modify this document under 
+the terms of the GNU General Public License, Version 2 any  
+later version published by the Free Software Foundation. 
+ 
+On Debian systems, the complete text of the GNU General Public 
+License can be found in /usr/share/common-licenses/GPL.