Re: [PATCH 4/4] t/perf: add fsmonitor perf test for git diff

"Nipunn Koorapati via GitGitGadget" [off-list ref] writes:

+test_perf "diff (fsmonitor=$INTEGRATION_SCRIPT)" '
+	git diff

This is a whole-tree diff.  It would be interesting to also see if a
meaningful tradeoff exists if a test is run with a tree with say 100
top-level subdirectories but with just one of them covered by a
pathspec, with many modified paths sprinkled all over.

+'
+
 if test_have_prereq WATCHMAN
 then
 	watchman watch-del "$GIT_WORK_TREE" >/dev/null 2>&1 &&