Merge cockroachdb#129390

129390: workflows: disable cockroach-microbench-ci step for pull requests r=sambhav-jain-16 a=sambhav-jain-16

This change disbales the CI step for pull requests but this still runs for push step into the target branch. Also the count of the microbenchmarks are increased to get more robust results.

Epic: none

Release note: None

Co-authored-by: Sambhav Jain <[email protected]>

Author: craig[bot]

Diff for: .github/workflows/github-actions-essential-ci.yml

@@ -347,6 +347,8 @@ jobs:
         if: always()
   cockroach-microbench-ci:
     runs-on: [ self-hosted, basic_runner_group ]
+    # TODO(sambhav-jain-16): enable this for pull requests also
+    if: ${{ github.event_name == 'push' }}
     timeout-minutes: 60
     steps:
       - uses: actions/checkout@v4

Diff for: build/github/cockroach-microbench-ci.sh

@@ -44,7 +44,7 @@ bazel test //pkg/sql/tests:tests_test \
   --test_sharding_strategy=disabled \
   --test_arg=-test.cpu --test_arg=1 \
   --test_arg=-test.v \
-  --test_arg=-test.count=4 \
+  --test_arg=-test.count=10 \
   --test_arg=-test.benchmem \
   --crdb_test_off \
   --test_output=all > "$log_output_file_path"