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Document Linux peak RSS measurement limitation

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David Peter authored and David Peter committed 2026-10-06 13:25:36 +02:00
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@@ -184,7 +184,9 @@ The JSON export includes the following metrics for each measured run (excluding
- Linux/macOS: Peak resident set size (RSS). This is the largest per-process peak among the
command and child processes (whose usage is collected when their parents wait for them),
*not the simultaneous total memory of the full process tree*.
*not the simultaneous total memory of the full process tree*. On Linux, measuring commands
with a very small peak RSS (below the peak inherited from hyperfine at startup, which can
be a few MiB) will currently result in that inherited value being reported instead.
- Windows: Currently not supported.
- **`cpu_cycles`**: CPU cycles consumed.