Add perf workflow

.github/workflows/performance.yml

@@ -0,0 +1,115 @@
+name: Performance
+
+on:
+  # Can be triggered via manual "dispatch" (from workflow view in GitHub Actions tab)
+  workflow_dispatch:
+    inputs:
+      pr_no:
+        description: PR number (if 0, it'll run on the main)
+        type: number
+        required: true
+
+permissions:
+  contents: read
+  pull-requests: write
+
+env:
+  BUILD_DIR : "${{github.workspace}}/build"
+
+jobs:
+  perf-l0:
+    name: Build UMF and run performance tests
+    runs-on: "L0_PERF"
+
+    steps:
+    # Workspace on self-hosted runners is not cleaned automatically.
+    # We have to delete the files created outside of using actions.
+    - name: Cleanup self-hosted workspace
+      if: always()
+      run: |
+        ls -la ./
+        rm -rf ./* || true
+
+    - name: Add comment to PR
+      uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+      if: ${{ always() && inputs.pr_no != 0 }}
+      with:
+        script: |
+          const pr_no = '${{ inputs.pr_no }}';
+          const provider = 'LEVEL_ZERO';
+          const url = '${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}';
+          const body = `Performance workflow for ${provider}_PROVIDER run:\n${url}`;
+
+          github.rest.issues.createComment({
+            issue_number: pr_no,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: body
+          })
+
+    - name: Checkout UMF
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
+
+    - name: Get information about platform
+      run: .github/scripts/get_system_info.sh
+
+    # We need to fetch special ref for proper PR's merge commit. Note, this ref may be absent if the PR is already merged.
+    - name: Fetch PR's merge commit
+      if: ${{ inputs.pr_no != 0 }}
+      working-directory: ${{github.workspace}}
+      env:
+        PR_NO: ${{ inputs.pr_no }}
+      run: |
+        git fetch -- https://github.com/${{github.repository}} +refs/pull/${PR_NO}/*:refs/remotes/origin/pr/${PR_NO}/*
+        git checkout origin/pr/${PR_NO}/merge
+        git rev-parse origin/pr/${PR_NO}/merge
+
+    - name: Configure build
+      run: >
+        cmake
+        -B ${{env.BUILD_DIR}}
+        -DCMAKE_BUILD_TYPE=Release
+        -DUMF_BUILD_SHARED_LIBRARY=ON
+        -DUMF_BUILD_BENCHMARKS=ON
+        -DUMF_BUILD_BENCHMARKS_MT=ON
+        -DUMF_BUILD_TESTS=OFF
+        -DUMF_FORMAT_CODE_STYLE=OFF
+        -DUMF_DEVELOPER_MODE=OFF
+        -DUMF_BUILD_LEVEL_ZERO_PROVIDER=ON
+        -DUMF_BUILD_CUDA_PROVIDER=ON
+        -DUMF_BUILD_LIBUMF_POOL_DISJOINT=ON
+        -DUMF_BUILD_LIBUMF_POOL_JEMALLOC=ON
+
+    - name: Build
+      run: cmake --build ${{env.BUILD_DIR}} -j $(nproc)
+
+    - name: Run benchmarks
+      working-directory: ${{env.BUILD_DIR}}
+      id: benchmarks
+      run: numactl -N 1 ctest -V --test-dir benchmark -C Release
+
+    - name: Add comment to PR
+      uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
+      if: ${{ always() && inputs.pr_no != 0 }}
+      with:
+        script: |
+          let markdown = ""
+          try {
+            const fs = require('fs');
+            markdown = fs.readFileSync('umf_perf_results.md', 'utf8');
+          } catch(err) {
+          }
+
+          const pr_no = '${{ inputs.pr_no }}';
+          const provider = 'LEVEL_ZERO';
+          const url = '${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}';
+          const test_status = '${{ steps.benchmarks.outcome }}';
+          const job_status = '${{ job.status }}';
+          const body = `Performance workflow for ${provider}_PROVIDER run:\n${url}\nJob status: ${job_status}. Test status: ${test_status}.\n ${markdown}`;
+
+          github.rest.issues.createComment({
+            issue_number: pr_no,
+            owner: context.repo.owner,
+            repo: context.repo.repo,
+            body: body
+          })