From ecc4d2d701e1070e626ddab38327d2b8a7eadfac Mon Sep 17 00:00:00 2001
From: Alan Jowett <alanjo@microsoft.com>
Date: Tue, 26 Apr 2022 14:37:48 -0600
Subject: [PATCH] Add ETW tracing to CI/CD test run (#1020)

* Add ETW tracing to CI/CD test run

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

* Add ETW tracing to CI/CD test run

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

* Add ETW tracing to CI/CD test run

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

* Fix yaml

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

* Fix yaml

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

* Limit etw to where it makes sense

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>

Co-authored-by: Alan Jowett <alan.jowett@microsoft.com>
---
 .github/workflows/cicd.yml          |  3 +++
 .github/workflows/reusable-test.yml | 17 +++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/.github/workflows/cicd.yml b/.github/workflows/cicd.yml
index a38946ee2..83bece734 100644
--- a/.github/workflows/cicd.yml
+++ b/.github/workflows/cicd.yml
@@ -70,6 +70,7 @@ jobs:
       environment: windows-2019
       code_coverage: true
       gather_dumps: true
+      capture_etw: true
 
   # Run the fuzzing tests in GitHub.
   fuzzing:
@@ -95,6 +96,7 @@ jobs:
       environment: windows-2019
       code_coverage: true
       gather_dumps: true
+      capture_etw: true
 
   # Run Cilium regression tests in GitHub.
   cilium_tests:
@@ -151,3 +153,4 @@ jobs:
       environment: windows-2019
       code_coverage: false
       gather_dumps: true
+      capture_etw: true
diff --git a/.github/workflows/reusable-test.yml b/.github/workflows/reusable-test.yml
index a6ea5f923..5eecca2d9 100644
--- a/.github/workflows/reusable-test.yml
+++ b/.github/workflows/reusable-test.yml
@@ -42,6 +42,9 @@ on:
       post_test:
         required: false
         type: string
+      capture_etw:
+        required: false
+        type: boolean
 
 permissions:
   checks: read  # Required by fountainhead/action-wait-for-check to wait for another GitHub check to complete.
@@ -120,6 +123,14 @@ jobs:
         name: ${{inputs.build_artifact}} ${{matrix.configurations}}
         path: ${{github.workspace}}/${{env.BUILD_PLATFORM}}/${{env.BUILD_CONFIGURATION}}
 
+    - name: Start ETW tracing
+      id: start_etw_tracing
+      if: inputs.capture_etw == true
+      shell: cmd
+      run: |
+        mkdir ${{github.workspace}}\${{env.BUILD_PLATFORM}}\${{env.BUILD_CONFIGURATION}}\TestLogs
+        wpr.exe -start ${{github.workspace}}\${{env.BUILD_PLATFORM}}\${{env.BUILD_CONFIGURATION}}\ebpfforwindows.wprp -filemode
+
     - name: Run test with Code Coverage
       if: inputs.code_coverage == true
       id: run_test_with_code_coverage
@@ -210,6 +221,12 @@ jobs:
         if ($${{ steps.test.upload_code_coverage_report_4!='failure' }}) { exit 0 }
         exit 1
 
+    - name: Stop ETW tracing
+      id: stop_etw_tracing
+      if: inputs.capture_etw == true
+      shell: cmd
+      run: wpr.exe -stop ${{github.workspace}}\${{env.BUILD_PLATFORM}}\${{env.BUILD_CONFIGURATION}}\TestLogs\ebpfforwindows.etl
+
     - name: Check for crash dumps
       if: inputs.gather_dumps == true
       working-directory: c:/dumps/${{env.BUILD_PLATFORM}}/${{env.BUILD_CONFIGURATION}}