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49 lines
1.4 KiB
49 lines
1.4 KiB
#!/bin/sh |
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# |
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# This test measures the performance of various read-tree |
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# and status operations. It is primarily interested in |
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# the algorithmic costs of index operations and recursive |
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# tree traversal -- and NOT disk I/O on thousands of files. |
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test_description="Tests performance of read-tree" |
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. ./perf-lib.sh |
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test_perf_default_repo |
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# If the test repo was generated by ./repos/many-files.sh |
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# then we know something about the data shape and branches, |
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# so we can isolate testing to the ballast-related commits |
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# and setup sparse-checkout so we don't have to populate |
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# the ballast files and directories. |
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# |
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# Otherwise, we make some general assumptions about the |
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# repo and consider the entire history of the current |
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# branch to be the ballast. |
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test_expect_success "setup repo" ' |
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if git rev-parse --verify refs/heads/p0006-ballast^{commit} |
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then |
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echo Assuming synthetic repo from many-files.sh |
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git branch br_base master |
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git branch br_ballast p0006-ballast |
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git config --local core.sparsecheckout 1 |
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cat >.git/info/sparse-checkout <<-EOF |
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/* |
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!ballast/* |
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EOF |
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else |
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echo Assuming non-synthetic repo... |
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git branch br_base $(git rev-list HEAD | tail -n 1) |
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git branch br_ballast HEAD |
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fi && |
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git checkout -q br_ballast && |
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nr_files=$(git ls-files | wc -l) |
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' |
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test_perf "read-tree status br_ballast ($nr_files)" ' |
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git read-tree HEAD && |
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git status |
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' |
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test_done
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