An option to coarsen flame graphs #1018
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krk
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Oct 10, 2024
roy-soumadipta
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Oct 15, 2024
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Description
Add jfrconv
--grainoption to coarsen flame graphs by subsamling stack traces.Shape of the result flame graph should be similar to the original one.
Example:
will produce a flame graph that is 4 times smaller in number of samples.
Grain value can be fractional. E.g., to shrink a flame graph containing 314 samples to 100 samples, specify
--grain 3.14Motivation and context
There are two main use cases for the feature:
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.