[SOLVED] Construct flamegraph with start and end timestamps

Issue

i am collecting profile with custom instrumentation of each function and the format is simple. Each line in the profile dump has the following data:

symbol address, start time, end time

Is it possible to convert this to a format consumable by flamegraph charting tool? What are the formats consumed by a framegraph charting tool?

Solution

a) No, because flamegraphs need call stacks, and b) flamegraphs are pretty but useless for finding speedups. Speed problems easily hide in them, and they usually ignore I/O. Also here.

Answered By – Mike Dunlavey

Answer Checked By – Timothy Miller (BugsFixing Admin)

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