CI:debug add timestamps

build-yocto.yml

 ---
 
+.timestamp: &timestamp
+  - |-
+    now=$(date +%s)
+    sincelast="$(( now - lasttime ))"
+    export lasttime="$now"
+    echo "Section timestamp $( date -R -d"@$now" ) -- duration $sincelast seconds"
+
 .networkdebug: &networkdebug
   #
   - |-
@@ -94,15 +101,25 @@
     JOB_URL: "${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/jobs/${CI_JOB_ID}/artifacts/"
     FNG_INSTALL_PATH: "${BUILDPATH}/${IMAGEPATH}/${INSTALLSCRIPT}"
   before_script:
+    - *timestamp
     - *networkdebug
+    - *timestamp
     - !reference [.docker_check]
+    - *timestamp
     - !reference [.setup_ssh]
+    - *timestamp
     - !reference [.repo_checkout]
+    - *timestamp
   script:
+    - *timestamp
     - *save_build_env
+    - *timestamp
     - *build_script
+    - *timestamp
     - *collect_srcrevs
+    - *timestamp
     - *dump_install_command
+    - *timestamp
   artifacts:
     reports:
       dotenv: build.env