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Clarify documentation about performance bar

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ernstvn 2017-09-06 09:42:34 -07:00
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doc/administration/monitoring/performance/performance_bar.md
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@ -5,17 +5,17 @@ activated, it looks as follows:
![Performance Bar](img/performance_bar.png)
It allows you to:
It allows you to see (from left to right):
- see the current host serving the page
- see the timing of the page (backend, frontend)
- the number of DB queries, the time it took, and the detail of these queries
- the current host serving the page
- the timing of the page (backend, frontend)
- time taken and number of DB queries, click through for details of these queries
![SQL profiling using the Performance Bar](img/performance_bar_sql_queries.png)
- the number of calls to Redis, and the time it took
- the number of background jobs created by Sidekiq, and the time it took
- the number of Ruby GC calls, and the time it took
- profile the code used to generate the page, line by line
- time taken and number of calls to Redis
- time taken and number of background jobs created by Sidekiq
- profile of the code used to generate the page, line by line for either _all_, _app & lib_ , or _views_. In the profile view, the numbers in the left panel represent wall time, cpu time, and number of calls (based on [rblineprof](https://github.com/tmm1/rblineprof)).
![Line profiling using the Performance Bar](img/performance_bar_line_profiling.png)
- time taken and number of Ruby GC calls
## Enable the Performance Bar via the Admin panel