ci(profiling): helper container resource limits

.gitlab/generate-profiler.php

@@ -17,11 +17,18 @@
   stage: test
   tags: [ "arch:${ARCH}" ]
   image: registry.ddbuild.io/images/mirror/datadog/dd-trace-ci:${IMAGE_PREFIX}${PHP_MAJOR_MINOR}${IMAGE_SUFFIX}
+  # Setting the *_REQUEST and *_LIMIT variables to be the same, and setting
+  # them for both the build and helper allows using Guaranteed QoS instead of
+  # Burstable. This means nproc and similar tools will work as expected.
   variables:
     KUBERNETES_CPU_REQUEST: 3
     KUBERNETES_CPU_LIMIT: 3
     KUBERNETES_MEMORY_REQUEST: 6Gi
     KUBERNETES_MEMORY_LIMIT: 6Gi
+    KUBERNETES_HELPER_CPU_REQUEST: 1
+    KUBERNETES_HELPER_CPU_LIMIT: 1
+    KUBERNETES_HELPER_MEMORY_REQUEST: 2Gi
+    KUBERNETES_HELPER_MEMORY_LIMIT: 2Gi
     CARGO_TARGET_DIR: /mnt/ramdisk/cargo # ramdisk??
     libdir: /tmp/datadog-profiling
   parallel:
@@ -41,11 +48,6 @@
     - cd profiling
     - 'echo "nproc: $(nproc)"'
     - 'echo "KUBERNETES_CPU_REQUEST: ${KUBERNETES_CPU_REQUEST:-<unset>}"'
-    - |
-      if [ -n "${KUBERNETES_CPU_REQUEST:-}" ]; then
-        export CARGO_BUILD_JOBS="${KUBERNETES_CPU_REQUEST}"
-      fi
-      echo "CARGO_BUILD_JOBS: ${CARGO_BUILD_JOBS}"
     - export TEST_PHP_EXECUTABLE=$(which php)
     - run_tests_php=$(find $(php-config --prefix) -name run-tests.php) # don't anticipate there being more than one
     - cp -v "${run_tests_php}" tests