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fix: decrease stack sampling size for python #125

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Merged
art049 merged 1 commit into from
Oct 6, 2025
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fix: decrease stack sampling size for python #125

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4 changes: 3 additions & 1 deletion src/run/runner/wall_time/perf/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -94,7 +94,9 @@ impl PerfRunner {
|| config.command.contains("uv")
|| config.command.contains("python")
{
(UnwindingMode::Dwarf, Some(65528))
// Max supported stack size is 64KiB, but this will increase the file size by a lot. In
// order to allow uploads and maintain accuracy, we limit this to 8KiB.
(UnwindingMode::Dwarf, Some(8 * 1024))
} else {
// Default to dwarf unwinding since it works well with most binaries.
debug!("No call graph mode detected, defaulting to dwarf");
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