From: Jeff Hostetler <jeffh...@microsoft.com> Signed-off-by: Jeff Hostetler <jeffh...@microsoft.com> --- t/perf/p0005-status.sh | 51 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100755 t/perf/p0005-status.sh
diff --git a/t/perf/p0005-status.sh b/t/perf/p0005-status.sh new file mode 100755 index 0000000..0469aee --- /dev/null +++ b/t/perf/p0005-status.sh @@ -0,0 +1,51 @@ +#!/bin/sh +## +## This test measures the performance of various read-tree +## and status operations. It is primarily interested in +## the algorithmic costs of index operations and recursive +## tree traversal -- and NOT disk I/O on thousands of files. + +test_description="Tests performance of read-tree" + +. ./perf-lib.sh + +test_perf_default_repo + +## If the test repo was generated by ./repos/many-files.sh +## then we know something about the data shape and branches, +## so we can isolate testing to the ballast-related commits +## and setup sparse-checkout so we don't have to populate +## the ballast files and directories. +## +## Otherwise, we make some general assumptions about the +## repo and consider the entire history of the current +## branch to be the ballast. + +git branch | grep p0006-ballast >/dev/null 2>&1 +synthetic=$? +if test "$synthetic" = 0 +then + echo Assuming synthetic repo from many-files.sh + git branch br_base master + git branch br_ballast p0006-ballast + echo '/*' >.git/info/sparse-checkout + echo '!ballast/*' >>.git/info/sparse-checkout + git config --local core.sparsecheckout 1 +else + echo Assuming non-synthetic repo... + git branch br_base $(git rev-list HEAD | tail -n 1) + git branch br_ballast HEAD +fi + +test_expect_success 'setup' ' + git checkout -q br_ballast +' + +nr_files=$(git ls-files | wc -l) + +test_perf "read-tree status br_ballast ($nr_files)" ' + git read-tree HEAD && + git status +' + +test_done -- 2.9.3
