[PM-26455] Improve CI runtimes by disabling cpu intensive processes (#1995)

.github/actions/macos-runner-tuneup/action.yml

@@ -0,0 +1,84 @@
+name: 'macOS Runner Tuneup'
+description: 'Optimizes macOS GitHub runners by disabling resource-heavy background processes'
+author: 'Bitwarden'
+
+runs:
+  using: 'composite'
+  steps:
+    - name: Optimize macOS Runner
+      shell: bash
+      run: |
+        echo "🚀 Starting macOS Runner Tuneup..."
+        echo "=================================="
+
+        echo "🔍 Disabling Spotlight..."
+        sudo mdutil -a -i off # disables indexing on all volumes
+        sudo mdutil -a -d # disables spotlight activity on all volumes
+
+        echo "🔍 Disabling Spotlight Knowledge Daemon..."
+        sudo launchctl disable system/com.apple.spotlightknowledged || true
+        sudo pkill -SIGKILL spotlightknowledged || true
+
+        echo "🛑 Disabling metadata services..."
+        sudo launchctl disable system/com.apple.metadata.mds || true
+        sudo launchctl disable system/com.apple.metadata.mds.index || true
+        sudo launchctl disable system/com.apple.metadata.mds.scan || true
+
+        echo "📦 Stopping metadata services..."
+        sudo launchctl bootout system/com.apple.metadata.mds || true
+        sudo launchctl bootout system/com.apple.metadata.mds.index || true
+        sudo launchctl bootout system/com.apple.metadata.mds.scan || true
+        sudo launchctl bootout system/com.apple.metadata.mdwrite || true
+
+        echo "⚡ Killing metadata processes..."
+        sudo pkill -SIGKILL -f "Metadata.framework/Versions/A/Support/mds" || true
+        sudo pkill -SIGKILL Spotlight || true
+        echo "✅ Spotlight disabled!"
+
+        echo "💥 Disabling ReportCrash..."
+        sudo launchctl disable system/com.apple.ReportCrash || true
+        sudo launchctl disable system/com.apple.ReportCrash.Root || true
+
+        echo "💥 Unloading ReportCrash..."
+        sudo launchctl bootout system/com.apple.ReportCrash || true
+        sudo launchctl bootout system/com.apple.ReportCrash.Root || true
+
+        sudo defaults write com.apple.CrashReporter DialogType none  || true
+        echo "✅ ReportCrash disabled!"
+
+        echo "🌱 Disabling EcosystemD..."
+        sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.ecosystemd.plist || true
+        sudo pkill -SIGKILL -f "ecosystemd" || true
+        echo "✅ EcosystemD disabled!"
+
+        echo "🌱 Disabling EcosystemAnalyticsD..."
+        sudo launchctl bootout system/com.apple.ecosystemanalyticsd || true
+        echo "✅ EcosystemAnalyticsD disabled!"
+
+        echo "🌱 Disabling SubmitDiagInfo..."
+        sudo defaults write /Library/Preferences/com.apple.SubmitDiagInfo AutoSubmit -bool false || true
+
+        echo "🌍 Disabling location services..."
+        sudo defaults write /Library/Preferences/com.apple.locationd.plist LocationServicesEnabled -int 0 || true
+
+        echo "🔍 Disabling Siri..."
+        sudo defaults write com.apple.assistant.support Assistant\ Enabled -bool false || true
+        sudo defaults write com.apple.Siri StatusMenuVisible -bool false || true
+
+        echo "🔒 Disabling iCloud analytics and usage tracking..."
+        sudo defaults write com.apple.UsageTracking CoreDonationsEnabled -bool false || true
+        sudo defaults write com.apple.UsageTracking UDCAutomationEnabled -bool false || true
+
+        echo "🔍 Disabling Spotlight suggestions..."
+        sudo defaults write com.apple.lookup.shared LookupSuggestionsDisabled -bool true || true
+
+        echo "📊 Process Information After Tuning"
+        echo "=================================="
+        echo "🧠 Sorted by memory usage:"
+        head -n20 < <(ps -emo pid,pcpu,pmem,comm)
+        echo ""
+        echo "🔥  Sorted by CPU usage:"
+        head -n20 < <(ps -ero pid,pcpu,pmem,comm)
+        echo ""
+        echo "🎉 macOS Runner Tuneup Complete!"
+

.github/workflows/_build-any.yml

@@ -55,6 +55,9 @@ jobs:
       - name: Check out repo
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
 
+      - name: Optimize macOS Runner
+        uses: ./.github/actions/macos-runner-tuneup
+
       - name: Read Xcode version from file if not provided
         run: |
           if [ -z "$_XCODE_VERSION" ]; then

.github/workflows/test-bwa.yml

@@ -60,7 +60,7 @@ jobs:
   test:
     name: Test
     runs-on: macos-26
-    timeout-minutes: 30
+    timeout-minutes: 50
     permissions:
       contents: read
 
@@ -73,6 +73,9 @@ jobs:
       - name: Check out repo
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
 
+      - name: Optimize macOS Runner
+        uses: ./.github/actions/macos-runner-tuneup
+
       - name: Read Xcode version and simulator configuration from file if not provided
         run: |
           if [ -z "$_XCODE_VERSION" ]; then
@@ -123,6 +126,7 @@ jobs:
 
       - name: Build and test
         run: |
+          python Scripts/pyeetd/main.py & PYEETD_PID=$!
           xcrun xcodebuild test \
             -workspace Bitwarden.xcworkspace \
             -scheme Authenticator \
@@ -132,7 +136,10 @@ jobs:
             -derivedDataPath build/DerivedData \
             -test-timeouts-enabled yes \
             -maximum-test-execution-time-allowance 1 \
+            -retry-tests-on-failure \
+            -test-repetition-relaunch-enabled YES \
             -quiet
+          kill $PYEETD_PID
 
       - name: Print Logs Summary
         if: always()

.github/workflows/test.yml

@@ -55,7 +55,7 @@ jobs:
   test:
     name: Test
     runs-on: macos-26
-    timeout-minutes: 30
+    timeout-minutes: 50
     permissions:
       contents: read
 
@@ -68,6 +68,9 @@ jobs:
       - name: Check out repo
         uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4.3.0
 
+      - name: Optimize macOS Runner
+        uses: ./.github/actions/macos-runner-tuneup
+
       - name: Read Xcode version and simulator configuration from file if not provided
         run: |
           if [ -z "$_XCODE_VERSION" ]; then
@@ -118,6 +121,7 @@ jobs:
 
       - name: Build and test
         run: |
+            python Scripts/pyeetd/main.py & PYEETD_PID=$!
             xcrun xcodebuild test \
             -workspace Bitwarden.xcworkspace \
             -scheme Bitwarden \
@@ -127,7 +131,18 @@ jobs:
             -derivedDataPath build/DerivedData \
             -test-timeouts-enabled yes \
             -maximum-test-execution-time-allowance 1 \
+            -retry-tests-on-failure \
+            -test-repetition-relaunch-enabled YES \
             -quiet
+            kill $PYEETD_PID
+
+      - name: Output processes
+        run: |
+          echo "Sorted by memory usage"
+          ps -em -o pid,pcpu,pmem,comm | head -n40
+          echo "--------------------------------"
+          echo "Sorted by CPU usage"
+          ps -er -o pid,pcpu,pmem,comm | head -n40
 
       - name: Print Logs Summary
         if: always()

Scripts/pyeetd/.python-version

@@ -0,0 +1 @@
+3.12

Scripts/pyeetd/main.py

@@ -0,0 +1,139 @@
+#!/usr/bin/env python3
+"""
+pyeetd - based on https://github.com/biscuitehh/yeetd
+
+how to use:
+python Scripts/pyeetd/main.py & PYEETD_PID=$!
+...
+kill $PYEETD_PID
+"""
+
+import os
+import signal
+import time
+import subprocess
+import re
+from dataclasses import dataclass
+from enum import Enum
+
+OS_PROCESSES = {
+    "Spotlight",
+    "ReportCrash",
+    "ecosystemanalyticsd"
+    "com.apple.ecosystemd",
+    "com.apple.metadata.mds",
+}
+
+SIMULATOR_PROCESSES = {
+    "AegirPoster",
+    "InfographPoster",
+    "CollectionsPoster",
+    "ExtragalacticPoster",
+    "KaleidoscopePoster",
+    "EmojiPosterExtension",
+    "AmbientPhotoFramePosterProvider",
+    "PhotosPosterProvider",
+    "AvatarPosterExtension",
+    "GradientPosterExtension",
+    "MonogramPosterExtension"
+}
+
+SIMULATOR_PATH_SEARCH_KEY = "simruntime/Contents/Resources/RuntimeRoot"
+
+# How long to sleep between checks in seconds
+SLEEP_DELAY = 5
+
+# How often to print process info (in seconds)
+PRINT_PROCESSES_INTERVAL = 60
+
+@dataclass
+class ProcessInfo:
+    pid: int
+    cpu_percent: float
+    memory_percent: float
+    name: str
+    is_simulator: bool
+
+    @property
+    def environment(self) -> str:
+        return "Simulator" if self.is_simulator else "OS"
+
+    @property
+    def output_string(self) -> str:
+        return f"{self.pid}\t{self.cpu_percent}%\t{self.memory_percent}%\t{self.name}\t{self.environment}"
+
+class ProcessSort(Enum):
+    CPU = "cpu"
+    MEMORY = "memory"
+
+def get_processes(sort_by=ProcessSort.CPU):
+    """Get all processes using ps command - equivalent to Swift's proc_listallpids"""
+    sorty_by = "-ero" if sort_by == ProcessSort.CPU else "-emo"
+    result = subprocess.run(['ps', sorty_by, 'pid,pcpu,pmem,comm'],
+                            capture_output=True, text=True, check=True)
+    processes = []
+
+    for line in result.stdout.splitlines()[1:]:  # Skip header
+        parts = line.strip().split(None, 3)
+        if len(parts) >= 3:
+            pid = int(parts[0])
+            cpu_percent = float(parts[1])
+            memory_percent = float(parts[2])
+            name = parts[3]
+            is_simulator = SIMULATOR_PATH_SEARCH_KEY in name
+            processes.append(ProcessInfo(pid, cpu_percent, memory_percent, name, is_simulator))
+
+    return processes
+
+def print_processes(processes, limit=-1):
+    output = []
+    output.append("================================")
+    output.append("⚡️ Processes sorted by CPU usage:")
+    output.append("PID\tCPU%\tMemory%\tName\tEnvironment")
+    limit = len(processes) if limit == -1 else limit
+    for p in processes[:limit]:
+        output.append(p.output_string)
+
+    output.append("--------------------------------")
+    output.append("🧠 Processes sorted by memory usage:")
+    output.append("PID\tCPU%\tMemory%\tName\tEnvironment")
+    processes_sorted_by_memory = sorted(processes, key=lambda x: x.memory_percent, reverse=True)
+    for p in processes_sorted_by_memory[:limit]:
+        output.append(p.output_string)
+
+    output.append("================================")
+    print("\n".join(output))
+
+def find_unwanted(processes):
+    yeeting = []
+    for p in processes:
+        process_target_list = SIMULATOR_PROCESSES if p.is_simulator else OS_PROCESSES
+        for k in process_target_list:
+            if k in p.name:
+                yeeting.append(p)
+    return yeeting
+
+def yeet(processes):
+    output = []
+    for p in processes:
+        output.append(f"🤠 pyeetd: Stopping - {p.output_string}")
+        os.killpg(p.pid, signal.SIGKILL)
+    return output
+
+def main():
+    print_cycles = PRINT_PROCESSES_INTERVAL // SLEEP_DELAY
+    i = 0
+    while True:
+        output = []
+        processes = get_processes(ProcessSort.CPU)
+        processes_to_yeet = find_unwanted(processes)
+        output.extend(yeet(processes_to_yeet))
+        output.append(f"🤠 {time.strftime('%Y-%m-%d %H:%M:%S')} - pyeetd {len(processes_to_yeet)} processes.")
+        print("\n".join(output))
+        if i % print_cycles == 0:
+            print_processes(processes, 10)
+        i += 1
+        time.sleep(SLEEP_DELAY)
+
+if __name__ == '__main__':
+    main()