env var to run a command before every benchmark run#2398
Merged
Kobzol merged 1 commit intorust-lang:masterfrom Feb 12, 2026
Merged
env var to run a command before every benchmark run#2398Kobzol merged 1 commit intorust-lang:masterfrom
Kobzol merged 1 commit intorust-lang:masterfrom
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This will let us drop caches on the perf runners to get the system into a more consistent state.
Kobzol
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Feb 12, 2026
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I don't like this as a general solution, but let's try to see if it helps! I configured the environment manually for now, to make it easier to disable it in case something goes wrong.
Thanks for looking into this!
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This will let us drop caches on the perf runners to get the system into a more consistent state.
This is untested since it's in the production code, not for the local benchmark execution.
companion PR: rust-lang/simpleinfra#967
Context: #t-compiler/performance > Cyclical pattern in the wall-time summary charts?