Request Details

Route
/error_prone GET
Timestamp
Sep 22, 2026 8:20 PM
Duration
38.96 ms
Status
201
Response Size
6.3 KB
Error
No

Performance Breakdown

Database
11.2% (2 queries)
View Rendering
1.4%
Application Logic
87.4%
Other Operations
0.0%
Total Operations
11
Slowest Operation
38.96 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 89.2ms 178.4ms 267.5ms 356.7ms

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 created_at > ? 12 ms 30.8%
home#errors 39 ms 100.0%
home#errors 39 ms 100.0%
home/index 5 ms 12.8%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 28 ms 71.9%
home#errors 39 ms 100.0%
home#errors 39 ms 100.0%
home#errors 39 ms 100.0%
home#errors 39 ms 100.0%
home#errors 39 ms 100.0%
home#errors 39 ms 100.0%