fix: enhance output logging for build and sync processes in workflows

.github/actions/build-kernel/action.yml

@@ -98,8 +98,12 @@ runs:
         tools/bazel info output_base
       fi
 
+      echo "Build completed. Output directory contents:"
       ls
+      echo "Contents of out"
       ls out
+      echo "Contents of /home/runner/out"
+      ls /home/runner/out
 
   - name: 'Gather Build Artifacts'
     shell: bash

.github/workflows/lts-download-speed-test.yml

@@ -12,7 +12,7 @@ jobs:
     timeout-minutes: 180
     strategy:
       fail-fast: false
-      max-parallel: 30
+      max-parallel: 65
       matrix:
         branch:
           - android16-6.12-lts
@@ -20,8 +20,15 @@ jobs:
           - name: baseline
           - name: no-tags
           - name: force-sync
+          - name: current-branch
           - name: fast-fetch
           - name: retry-only
+          - name: jobs-network-4
+          - name: jobs-network-8
+          - name: jobs-checkout-4
+          - name: jobs-checkout-8
+          - name: jobs-mixed-4
+          - name: jobs-mixed-8
           - name: full-mix
         sync_mode:
           - name: unset
@@ -54,7 +61,11 @@ jobs:
           cd "$workdir"
 
           branch="common-${{ matrix.branch }}"
+
+          init_start_ns=$(date +%s%N)
           repo init -u https://android.googlesource.com/kernel/manifest -b "$branch" --depth=1
+          init_end_ns=$(date +%s%N)
+          init_elapsed_ms=$(( (init_end_ns - init_start_ns) / 1000000 ))
 
           sync_cmd=(repo sync -c)
 
@@ -67,14 +78,35 @@ jobs:
             force-sync)
               sync_cmd+=(--no-tags --force-sync)
               ;;
+            current-branch)
+              sync_cmd+=(--current-branch)
+              ;;
             fast-fetch)
               sync_cmd+=(--no-clone-bundle --optimized-fetch)
               ;;
             retry-only)
               sync_cmd+=(--no-tags --retry-fetches=3)
               ;;
+            jobs-network-4)
+              sync_cmd+=(--jobs-network=4)
+              ;;
+            jobs-network-8)
+              sync_cmd+=(--jobs-network=8)
+              ;;
+            jobs-checkout-4)
+              sync_cmd+=(--jobs-checkout=4)
+              ;;
+            jobs-checkout-8)
+              sync_cmd+=(--jobs-checkout=8)
+              ;;
+            jobs-mixed-4)
+              sync_cmd+=(--jobs-network=4 --jobs-checkout=4)
+              ;;
+            jobs-mixed-8)
+              sync_cmd+=(--jobs-network=8 --jobs-checkout=8)
+              ;;
             full-mix)
-              sync_cmd+=(--fail-fast --no-tags --force-sync --no-clone-bundle --optimized-fetch --retry-fetches=3)
+              sync_cmd+=(--fail-fast --no-tags --force-sync --no-clone-bundle --optimized-fetch --retry-fetches=3 --jobs-network=8 --jobs-checkout=8)
               ;;
             *)
               echo "Unknown sync profile: ${{ matrix.sync_profile.name }}" >&2
@@ -103,10 +135,11 @@ jobs:
               ;;
           esac
 
-          start_ns=$(date +%s%N)
+          sync_start_ns=$(date +%s%N)
           timeout 20m "${sync_cmd[@]}"
-          end_ns=$(date +%s%N)
-          elapsed_ms=$(( (end_ns - start_ns) / 1000000 ))
+          sync_end_ns=$(date +%s%N)
+          sync_elapsed_ms=$(( (sync_end_ns - sync_start_ns) / 1000000 ))
+          total_elapsed_ms=$(( (sync_end_ns - init_start_ns) / 1000000 ))
 
           {
             echo "## LTS download benchmark"
@@ -114,5 +147,7 @@ jobs:
             echo "- Branch: \`${{ matrix.branch }}\`"
             echo "- Profile: \`${{ matrix.sync_profile.name }}\`"
             echo "- Sync mode: \`${{ matrix.sync_mode.name }}\`"
-            echo "- Elapsed: ${elapsed_ms} ms"
+            echo "- Repo init: ${init_elapsed_ms} ms"
+            echo "- Repo sync: ${sync_elapsed_ms} ms"
+            echo "- Total: ${total_elapsed_ms} ms"
           } >> "$GITHUB_STEP_SUMMARY"