[asterisk-ss7] Poor dahdi_test results

Shaun Ruffell sruffell at digium.com
Wed Sep 21 13:35:27 CDT 2011


On Tue, Sep 20, 2011 at 01:13:34PM -0700, Ryan Crowder wrote:
> # chrt -f 99 dahdi_test -v -c 5
> Opened pseudo dahdi interface, measuring accuracy...
> 
> 8192 samples in 8159.824 system clock sample intervals (99.607%)
> 8192 samples in 8239.544 system clock sample intervals (100.580%)
> 8192 samples in 8159.856 system clock sample intervals (99.608%)
> 8192 samples in 8159.833 system clock sample intervals (99.607%)
> 8192 samples in 8239.856 system clock sample intervals (100.584%)
> --- Results after 5 passes ---
> Best: 99.608 -- Worst: 99.416 -- Average: 99.531525, Difference:
> 99.997346

Still strange. Although, since the overall result is 99.9x% range I
do not believe you will have any problems in this configuration.
Data is not being dropped, it is just that there is a delay when
it's being delivered to user space or the clock on your system is
jumping around slightly.

-- 
Shaun Ruffell
Digium, Inc. | Linux Kernel Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
Check us out at: www.digium.com & www.asterisk.org



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