[PATCH v2 0/3] Two perf test fixes

Here a two fixes for failures I noticed while running the perf tests.

Philippe Blain (3):
  p7821: fix test_perf invocation for prereqs
  p9210: fix 'scalar clone' when running from a detached HEAD
  p7821: fix instructions for testing with threads

 t/perf/p7821-grep-engines-fixed.sh | 6 +++---
 t/perf/p9210-scalar.sh             | 3 ++-
 2 files changed, 5 insertions(+), 4 deletions(-)

base-commit: 683c54c999c301c2cd6f715c411407c413b1d84e
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-git-1936%2Fphil-blain%2Fperf-test-fixes-v2
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-git-1936/phil-blain/perf-test-fixes-v2
Pull-Request: https://github.com/git/git/pull/1936

Range-diff vs v1:

 1:  41a093d570a = 1:  41a093d570a p7821: fix test_perf invocation for prereqs
 2:  1092c32609f = 2:  1092c32609f p9210: fix 'scalar clone' when running from a detached HEAD
 -:  ----------- > 3:  abd146b7c2a p7821: fix instructions for testing with threads