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