ICU-22036 Adds ICU4J date formatting performance test, which is last of the

ICU4J performance tests.

diff --git a/.github/workflows/icu_merge_ci.yml b/.github/workflows/icu_merge_ci.yml
index 89a7901bb61fb204dcc3daa178aacfc30a224b1a..718eaa541463c201185fb873e3f1d53065dba859 100644 (file)
--- a/.github/workflows/icu_merge_ci.yml
+++ b/.github/workflows/icu_merge_ci.yml
@@ -552,10 +552,77 @@ jobs:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           comment-on-alert: true
 
+  # ICU4J performance test for date formatting
+  icu4j-dateformatperf:
+    strategy:
+      fail-fast: false
+      matrix:
+        perf: [TestICUConstruction, TestICUParse, TestICUFormat]
+        locale: [en_US]
+        # The parameters don't make for good directory names. Add an identifying digit
+        # at the end to be used as directory name for the results.
+        parms: ['"dddd MMM yyyy" "15 Jan 2007" 1', '"HH:mm" "13:13" 2', '"HH:mm zzzz" "13:13 Pacific Standard Time" 3', '"HH:mm z" "13:13 PST" 4', '"HH:mm Z" "13:13 -0800" 5']
+        include:
+          - locale: sw_KE
+            parms: '"dddd MMM yyyy" "15 Jan 2007" 1'
+            perf: TestICUConstruction
+          - locale: sw_KE
+            parms: '"dddd MMM yyyy" "15 Jan 2007" 1'
+            perf: TestICUParse
+          - locale: sw_KE
+            parms: '"dddd MMM yyyy" "15 Jan 2007" 1'
+            perf: TestICUFormat
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout and setup
+        uses: actions/checkout@v2
+        with:
+          lfs: true
+      - name: Checkout lfs objects
+        run: git lfs pull
+      - uses: actions/setup-java@v1
+        with:
+          java-version: '8'
+
+      - name: Extract identifying digit and parameter.
+        run: |
+          ddir='${{ matrix.parms }}';
+          echo "PARM=${ddir:: -2}" >> $GITHUB_ENV;
+          echo "DDIR=${ddir: -1}" >> $GITHUB_ENV
+      - name: Build and run dateformatperf
+        run: |
+          # This file needs to be restored  otherwise GHA cannot
+          # check-out the perfdata branch. Setting up this task with GH lfs
+          # modifies the file but the details of why and how are unknown.
+          git restore --staged tools/multi/proj/icu4cscan/old-xmls.tar.bz2
+          git restore tools/multi/proj/icu4cscan/old-xmls.tar.bz2
+          cd icu4j;
+          ant;
+          ant perf-tests;
+          cd perf-tests;
+          mkdir -p perf/results/j_dateformatperf/${{ matrix.locale }}/${{ matrix.perf }}/${{ env.DDIR }};
+          java -cp ./out/bin:../tools/misc/out/bin/:../icu4j.jar com.ibm.icu.dev.test.perf.DateFormatPerformanceTest ${{ matrix.perf }} -a -t 2 -p 4 -L ${{ matrix.locale }} ${{ env.PARM }} -r 1 | tee perf/results/j_dateformatperf/${{ matrix.locale }}/${{ matrix.perf }}/${{ env.DDIR }}/output.txt
+
+      - name: Store performance test results
+        uses: gregtatum/github-action-benchmark@d3f06f738e9612988d575db23fae5ca0008d3d12
+        with:
+          # The perf tests result data is in ndjson format.
+          tool: 'ndjson'
+          output-file-path: icu4j/perf-tests/perf/results/j_dateformatperf/${{ matrix.locale }}/${{ matrix.perf }}/${{ env.DDIR }}/output.txt
+          # Tentative setting.
+          alert-threshold: '200%'
+          fail-on-alert: true
+          gh-pages-branch: perfdata
+          benchmark-data-dir-path: perf/results/j_dateformatperf/${{ matrix.locale }}/${{ matrix.perf }}/${{ env.DDIR }}
+          auto-push: true
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+          comment-on-alert: true
+
   # Retrieve performance test results and upload results to remote repository
   perf-test-data-move:
     name: Copy perf data to remote repo for visualization
-    needs: [icu4c-performance-tests, icu4c-performance-tests-with-files, icu4c-strsrchperf, icu4j-unicodesetperf, icu4j-ucharacterperf, icu4j-decimalformatperf, icu4j-normperf, icu4j-converterperf]
+    needs: [icu4c-performance-tests, icu4c-performance-tests-with-files, icu4c-strsrchperf, icu4j-unicodesetperf, icu4j-ucharacterperf, icu4j-decimalformatperf, icu4j-normperf, icu4j-converterperf, icu4j-dateformatperf]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2