| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description='diff-hunks store performance' |
| 4 | . ./perf-lib.sh |
| 5 | |
| 6 | test_perf_default_repo |
| 7 | |
| 8 | # Pick a file to blame pseudo-randomly. The sort key is the blob |
| 9 | # hash, so it is stable. |
| 10 | test_expect_success 'select a file' ' |
| 11 | git ls-tree -r HEAD | grep ^100644 | |
| 12 | sort -k 3 | head -n 1 | cut -f 2 >filelist |
| 13 | ' |
| 14 | |
| 15 | file=$(cat filelist) |
| 16 | export file |
| 17 | |
| 18 | # Warm the store the way an owner would: a stat walk with writing on. |
| 19 | test_perf 'warm the store' ' |
| 20 | git diff-hunks clear && |
| 21 | GIT_DIFF_HUNKS_WRITE=1 git log --all --stat >/dev/null |
| 22 | ' |
| 23 | |
| 24 | test_expect_success 'ensure the store is warm for the timed reads' ' |
| 25 | GIT_DIFF_HUNKS_WRITE=1 git log --all --stat >/dev/null |
| 26 | ' |
| 27 | |
| 28 | test_perf 'log --stat -1000 (store)' ' |
| 29 | git log --stat -1000 >/dev/null |
| 30 | ' |
| 31 | |
| 32 | test_perf 'log --stat -1000 (no store)' ' |
| 33 | git -c core.diffhunks=false log --stat -1000 >/dev/null |
| 34 | ' |
| 35 | |
| 36 | test_perf 'blame $file (store)' ' |
| 37 | git blame "$file" >/dev/null |
| 38 | ' |
| 39 | |
| 40 | test_perf 'blame $file (no store)' ' |
| 41 | git -c core.diffhunks=false blame "$file" >/dev/null |
| 42 | ' |
| 43 | |
| 44 | test_expect_success 'clean up store' ' |
| 45 | git diff-hunks clear |
| 46 | ' |
| 47 | |
| 48 | test_done |