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-rwxr-xr-xt/perf/p0007-write-cache.sh29
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diff --git a/t/perf/p0007-write-cache.sh b/t/perf/p0007-write-cache.sh
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+++ b/t/perf/p0007-write-cache.sh
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+#!/bin/sh
+
+test_description="Tests performance of writing the index"
+
+. ./perf-lib.sh
+
+test_perf_default_repo
+
+test_expect_success "setup repo" '
+ if git rev-parse --verify refs/heads/p0006-ballast^{commit}
+ then
+ echo Assuming synthetic repo from many-files.sh &&
+ git config --local core.sparsecheckout 1 &&
+ cat >.git/info/sparse-checkout <<-EOF
+ /*
+ !ballast/*
+ EOF
+ else
+ echo Assuming non-synthetic repo...
+ fi &&
+ nr_files=$(git ls-files | wc -l)
+'
+
+count=3
+test_perf "write_locked_index $count times ($nr_files files)" "
+ test-tool write-cache $count
+"
+
+test_done