Capture and interpret iOS Simulator ETTrace profiles. Use when profiling launch or runtime latency, comparing traces, or finding CPU-heavy stacks.
Install
npx skills add openai/plugins --skill ios-ettrace-performancenpx skills add openai/plugins --skill ios-ettrace-performance -a claude-code -gnpx skills add openai/plugins --skill ios-ettrace-performance -a codex -ggemini skills install https://github.com/openai/plugins.git --path plugins/build-ios-apps/skills/ios-ettrace-performancegh skill install openai/plugins ios-ettrace-performancegit clone --depth 1 https://github.com/openai/plugins /tmp/openai__plugins
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/openai__plugins/plugins/build-ios-apps/skills/ios-ettrace-performance ~/.claude/skills/ios-ettrace-performance # Claude Code
cp -R /tmp/openai__plugins/plugins/build-ios-apps/skills/ios-ettrace-performance ~/.agents/skills/ios-ettrace-performance # Codex, Cursor, Gemini CLI, Copilot, OpenCode