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2026-11-04T19:41:54Z
User contributions
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https://wiki.videolan.org/index.php?title=StatsSystem&diff=5173
StatsSystem
2006-07-18T15:29:28Z
<p>1153236544: </p>
<hr />
<div>= Requirements =<br />
<br />
== Goal ==<br />
<br />
Central system for storing statistics and timings<br />
<br />
== Stored data == <br />
<br />
What we might want to collect:<br />
<br />
* per-stream/global decoded, dropped frames<br />
* per-stream/global packets read/errors<br />
* per-stream/global packets/bytes sent/errors (if sout)<br />
* stats about httpd/vod, per request<br />
<br />
Each thing could be stored as average, max, counter, ...<br />
<br />
== Data access ==<br />
<br />
* Access stats from the GUI (simple)<br />
* Dump HTTP server access data<br />
* Dump some raw access data to output<br />
<br />
= Design =<br />
<br />
== Data storage ==<br />
<br />
=== Stats object ===<br />
<br />
Stored as a singleton in p_libvlc<br />
<br />
=== Counters ===<br />
<br />
<pre><br />
counter_sample_t<br />
{<br />
value<br />
date<br />
}<br />
<br />
counter_elem_t<br />
{<br />
name<br />
type<br />
pp_samples / i_samples<br />
}<br />
</pre><br />
<br />
* Name contains the originating object id, like "267.frames_displayed" .How to separate by http request ? "httpd_object_id.request_id.XXX" ?<br />
* Type is one of MAX, LAST, COUNTER, DERIVATIVE, ...<br />
<br />
=== Timing ===<br />
<br />
<pre><br />
timing_elem_t<br />
{<br />
name<br />
<br />
last_time,<br />
<br />
total_time,<br />
total_samples,<br />
<br />
running,<br />
start_time <br />
}<br />
</pre><br />
<br />
== Reporting ==<br />
<br />
* In GUI:<br />
** Integrated in streams and media information for relevant items (make it available for VLM streams too)<br />
** Where to put global data ?<br />
<br />
* Data log:<br />
** Make global options to enable and driver logger module<br />
** Add some logging facility to httpd<br />
** RRD output (muwahahahaha)<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
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