Request Details

Route
/api_simple GET
Timestamp
Sep 22, 2026 2:25 PM
Duration
12.87 ms
Status
200
Response Size
1.4 KB
Error
No

Performance Breakdown

Database
16.4% (2 queries)
View Rendering
51.8%
Application Logic
31.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
35.0 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 30.4ms 60.8ms 91.2ms 121.6ms

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 comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 4 ms 31.1%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 16 ms 124.3%
posts/show 20 ms 155.4%
home#api_simple 13 ms 100.0%
home#api_simple 13 ms 100.0%
users/index 35 ms 272.0%
home/index 8 ms 62.2%
home#api_simple 13 ms 100.0%