Neeraj Singh 5dccd9155f t/perf: add iteration setup mechanism to perf-lib ...

Tests that affect the repo in stateful ways are easier to write if we
can run setup steps outside of the measured portion of perf iteration.

This change adds a "--setup 'setup-script'" parameter to test_perf. To
make invocations easier to understand, I also moved the prerequisites to
a new --prereq parameter.

The setup facility will be used in the upcoming perf tests for batch
mode, but it already helps in some existing tests, like t5302 and t7820.

Signed-off-by: Neeraj Singh <neerajsi@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2022-04-06 13:13:26 -07:00

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