[CWS] turn fentry on by default (#31630)

.gitlab/kernel_matrix_testing/security_agent.yml

@@ -216,26 +216,6 @@ kmt_run_secagent_tests_x64_ebpfless:
     - !reference [.collect_outcomes_kmt]
     - !reference [.upload_junit_kmt]
 
-kmt_run_secagent_tests_x64_fentry:
-  extends:
-    - .kmt_run_secagent_tests
-  image: registry.ddbuild.io/ci/datadog-agent-buildimages/system-probe_x64$DATADOG_AGENT_SYSPROBE_BUILDIMAGES_SUFFIX:$DATADOG_AGENT_SYSPROBE_BUILDIMAGES
-  tags: ["arch:amd64"]
-  needs:
-    - kmt_setup_env_secagent_x64
-    - upload_dependencies_secagent_x64
-    - upload_secagent_tests_x64
-  variables:
-    ARCH: "x86_64"
-  parallel:
-    matrix:
-      - TAG:
-          - "amazon_2023"
-        TEST_SET: [cws_fentry]
-  after_script:
-    - !reference [.collect_outcomes_kmt]
-    - !reference [.upload_junit_kmt]
-
 kmt_run_secagent_tests_x64_docker:
   extends:
     - .kmt_run_secagent_tests
@@ -350,26 +330,6 @@ kmt_run_secagent_tests_arm64_ebpfless:
     - !reference [.collect_outcomes_kmt]
     - !reference [.upload_junit_kmt]
 
-kmt_run_secagent_tests_arm64_fentry:
-  extends:
-    - .kmt_run_secagent_tests
-  image: registry.ddbuild.io/ci/datadog-agent-buildimages/system-probe_arm64$DATADOG_AGENT_SYSPROBE_BUILDIMAGES_SUFFIX:$DATADOG_AGENT_SYSPROBE_BUILDIMAGES
-  tags: ["arch:arm64"]
-  needs:
-    - kmt_setup_env_secagent_arm64
-    - upload_dependencies_secagent_arm64
-    - upload_secagent_tests_arm64
-  variables:
-    ARCH: "arm64"
-  parallel:
-    matrix:
-      - TAG:
-          - "ubuntu_24.04"
-        TEST_SET: [cws_fentry]
-  after_script:
-    - !reference [.collect_outcomes_kmt]
-    - !reference [.upload_junit_kmt]
-
 kmt_run_secagent_tests_arm64_docker:
   extends:
     - .kmt_run_secagent_tests
@@ -426,7 +386,6 @@ kmt_secagent_tests_join_arm64:
     - kmt_run_secagent_tests_arm64
     - kmt_run_secagent_tests_arm64_ad
     - kmt_run_secagent_tests_arm64_ebpfless
-    - kmt_run_secagent_tests_arm64_fentry
     - kmt_run_secagent_tests_arm64_docker
 
 kmt_secagent_cleanup_arm64:
@@ -449,7 +408,6 @@ kmt_secagent_tests_join_x64:
     - kmt_run_secagent_tests_x64_required
     - kmt_run_secagent_tests_x64_ad
     - kmt_run_secagent_tests_x64_ebpfless
-    - kmt_run_secagent_tests_x64_fentry
     - kmt_run_secagent_tests_x64_docker
 
 kmt_secagent_cleanup_x64:

pkg/config/setup/system_probe.go

@@ -371,9 +371,9 @@ func InitSystemProbeConfig(cfg pkgconfigmodel.Config) {
 	eventMonitorBindEnvAndSetDefault(cfg, join(evNS, "network.classifier_handle"), 0)
 	eventMonitorBindEnvAndSetDefault(cfg, join(evNS, "network.raw_classifier_handle"), 0)
 	eventMonitorBindEnvAndSetDefault(cfg, join(evNS, "event_stream.use_ring_buffer"), true)
-	eventMonitorBindEnvAndSetDefault(cfg, join(evNS, "event_stream.use_fentry"), false)
-	eventMonitorBindEnvAndSetDefault(cfg, join(evNS, "event_stream.use_fentry_amd64"), false)
-	eventMonitorBindEnvAndSetDefault(cfg, join(evNS, "event_stream.use_fentry_arm64"), false)
+	eventMonitorBindEnvAndSetDefault(cfg, join(evNS, "event_stream.use_fentry"), true)
+	eventMonitorBindEnv(cfg, join(evNS, "event_stream.use_fentry_amd64"))
+	eventMonitorBindEnv(cfg, join(evNS, "event_stream.use_fentry_arm64"))
 	eventMonitorBindEnv(cfg, join(evNS, "event_stream.buffer_size"))
 	eventMonitorBindEnvAndSetDefault(cfg, join(evNS, "envs_with_value"), []string{"LD_PRELOAD", "LD_LIBRARY_PATH", "PATH", "HISTSIZE", "HISTFILESIZE", "GLIBC_TUNABLES"})
 	eventMonitorBindEnvAndSetDefault(cfg, join(evNS, "runtime_compilation.enabled"), false)