[asterisk-bugs] [JIRA] (DAHLIN-26) [patch] ztdynamic double buffering on rx, statistics

[Pavel Selivanov (JIRA)]

    [ https://issues.asterisk.org/jira/browse/DAHLIN-26?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=201607#comment-201607 ] 

Pavel Selivanov commented on DAHLIN-26:
---------------------------------------

Some use-cases: 
https://issues.asterisk.org/jira/browse/DAHLIN-25?focusedCommentId=201604&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-201604

                
> [patch] ztdynamic double buffering on rx, statistics
> ----------------------------------------------------
>
>                 Key: DAHLIN-26
>                 URL: https://issues.asterisk.org/jira/browse/DAHLIN-26
>             Project: DAHDI-Linux
>          Issue Type: Bug
>          Components: dahdi_dynamic
>            Reporter: Pavel Selivanov
>            Assignee: Pavel Selivanov
>         Attachments: dahdi_dynamic.c.#2.patch, dahdi_dynamic.c.patch, dahdi_dynamic.c.printk.patch
>
>
> In current implementation:
> 1. If we have more than one TDMoE device, we'll have a slip/skip. 2 TDMoE devices can have phase jitter.
> 2. We have no statistics (which is necessary).
> 3. ztdynamic can't be a master for zaptel (but why not ?)
> ****** ADDITIONAL INFORMATION ******
> complimentary to
> http://bugs.digium.com/view.php?id=13205
> I'm sure, It's better to use list with pre-allocated buffers (1 memcpy dahdi_dynamic_receive) instead of fifo I've used (2 memcpy, dahdi_dynamic_receive & __ztdynamic_run).
> Or even more, it' better to change dynamic/eth/loc , and use the same idea as skbuff (will have only 1 memcpy on rx, and 1 memcpy on tx{in current version, 2 memcpy on tx})

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