Difference between revisions of "StatsSystem"

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{{Historical}}
 
= Requirements =
 
= Requirements =
  
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** RRD output (muwahahahaha)
 
** RRD output (muwahahahaha)
  
 
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[[Category:Dev Discussions]]
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
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</div>
 

Latest revision as of 14:35, 1 October 2013

This page is obsolete and kept only for historical interest. It may document features that are obsolete, superseded, or irrelevant. Do not rely on the information here being up-to-date.

Requirements

Goal

Central system for storing statistics and timings

Stored data

What we might want to collect:

  • per-stream/global decoded, dropped frames
  • per-stream/global packets read/errors
  • per-stream/global packets/bytes sent/errors (if sout)
  • stats about httpd/vod, per request

Each thing could be stored as average, max, counter, ...

Data access

  • Access stats from the GUI (simple)
  • Dump HTTP server access data
  • Dump some raw access data to output

Design

Data storage

Stats object

Stored as a singleton in p_libvlc

Counters

counter_sample_t
{
   value
   date
}

counter_elem_t
{
   name
   type
   pp_samples / i_samples
}
  • Name contains the originating object id, like "267.frames_displayed" .How to separate by http request ? "httpd_object_id.request_id.XXX" ?
  • Type is one of MAX, LAST, COUNTER, DERIVATIVE, ...

Timing

timing_elem_t
{
   name

   last_time,

   total_time,
   total_samples,

   running,
   start_time   
}

Reporting

  • In GUI:
    • Integrated in streams and media information for relevant items (make it available for VLM streams too)
    • Where to put global data ?
  • Data log:
    • Make global options to enable and driver logger module
    • Add some logging facility to httpd
    • RRD output (muwahahahaha)