how to check if a directory exists or not.if not need to create it Post: 302645227

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dahdi_test

dahdi_test(8)						      System Manager's Manual						     dahdi_test(8)

NAME

       dahdi_test -- Test if the DAHDI timer provides timely response

SYNOPSIS

       dahdi_test [ -v ]

DESCRIPTION

       dahdi_test dahdi_test 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 DAHDI timer device (/dev/dahdi/pseudo).  This should take exactly 8000 ms . It uses calls to 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 pass.  Values of 99.98% and 99.97% are probably OK as well.

OPTIONS

       -v
	      Be more verbose: print one line per test.

       -c count
	      Run for count times instead of running forever.

FILES

       /dev/dahdi/pseudo
       The device file used to access the DAHDI timer.

SEE ALSO

       dahdi_tool(8), dahdi_cfg(8), asterisk(8). gettimeofday(2)

AUTHOR

       This manual page was written by Tzafrir Cohen <tzafrir.cohen@xorcom.com> Permission is granted to copy, distribute and/or modify this docu-
       ment under the terms of the GNU General Public License, Version 2 any later version published by the Free Software Foundation.

								    2005-06-25							     dahdi_test(8)

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