Request Details

Route
/error_prone GET
Timestamp
Sep 12, 2026 8:13 PM
Duration
38.48 ms
Status
200
Response Size
2.2 KB
Error
No

Performance Breakdown

Database
19.5% (2 queries)
View Rendering
32.4%
Application Logic
48.0%
Other Operations
0.0%
Total Operations
9
Slowest Operation
38.48 ms

Request Trace

How to read this

Each row is a layer of your stack. Many short Database bars means N+1 queries — fix with includes(). A wide Action bar with little Database time means slow Ruby code. A wide View bar usually means a partial rendered in a loop.

Action
View
Database
Other
Action
View
Database
0.0ms 60.1ms 120.2ms 180.3ms 240.4ms

Operations

How to use this

Sort by Impact to find your biggest wins. Click any row for details and optimisation suggestions. The same SQL appearing multiple times is an N+1 — fix with includes(). A single operation above 50% impact is your highest priority.

Operation Duration Impact Timeline Actions
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 34 ms 88.4%
home#errors 38 ms 100.0%
layouts/application 19 ms 49.4%
home/index 16 ms 41.6%
posts/show 15 ms 39.0%
SELECT * FROM users WHERE id = ? 13 ms 33.8%
home#errors 38 ms 100.0%
layouts/application 28 ms 72.8%
home#errors 38 ms 100.0%