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Perf Analyser

See where your program spends its time, line by line, with an interactive flame graph.

Since 2024-05Free · Pro $12
View on the MarketplaceSee the line
Source lines shaded by the share of time they take, with the percentage at the end of each line.
Every line shows how much of the time it takes.
A flame graph of a program's call paths, wider bars for the functions that take more time.
Follow the slow path from the top call down to the hot function.
The flame graph filtered by a function name, highlighting the matching functions and their share of the samples.
Type a function name to see its share of the time.

What it does

Each line of your code shaded by the time it takes, and an interactive flame graph that opens the slow path in one click.

Where it fits

Our first editor tool, and still the shortest way from "it is slow" to the line that makes it so.

Availability
On the Marketplace
Plans
Free; Pro $12 a month
Shows
Time per line, an interactive flame graph

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