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name: Terminal Perf

on:

workflow_dispatch:

inputs:

ref:

description: Ref to check out (defaults to the workflow ref)

required: false

type: string

grep:

description: Optional Playwright grep for a targeted terminal perf run

required: false

type: string

report_path:

description: Path for the generated terminal perf JSON report

required: false

type: string

frame_count:

description: Number of prompt redraw frames per typing measurement

required: false

type: string

frame_interval_ms:

description: Milliseconds between synthetic OpenCode redraw frames

required: false

type: string

pressure_output_chars:

description: Bytes/chars each ACK-backpressured real PTY should emit

required: false

type: string

scale_panes:

description: Comma-separated same-workspace pane counts

required: false

type: string

scale_cross_workspace_panes:

description: Comma-separated hidden cross-workspace pane counts

required: false

type: string

scale_pressure_panes:

description: Comma-separated active real-PTY pressure pane counts

required: false

type: string

scale_hidden_pressure_panes:

description: Comma-separated hidden real-PTY pressure pane counts

required: false

type: string

schedule:

# Why: keep the expensive scale run off PRs, but exercise it daily so

# terminal throughput regressions are caught before users report typing lag.

- cron: '30 8 * * *'

jobs:

terminal-perf:

name: terminal scale perf

runs-on: ubuntu-latest

timeout-minutes: 45

env:

NODE_OPTIONS: --max-old-space-size=4096

ORCA_E2E_FORWARD_APP_LOGS: '1'

ORCA_E2E_TERMINAL_PERF_REPORT_PATH: ${{ inputs.report_path || 'test-results/terminal-scale-perf-report.json' }}

steps:

- name: Checkout

uses: actions/checkout@v6

with:

ref: ${{ inputs.ref || github.ref }}

- name: Install native build tools and xvfb

run: sudo apt-get update && sudo apt-get install -y build-essential python3 xvfb zsh

- name: Setup Node.js

uses: actions/setup-node@v6

with:

node-version-file: package.json

- name: Setup pnpm

uses: pnpm/action-setup@v6

with:

run_install: false

# Why: this scheduled/manual workflow uses the same native install path as

# PR and E2E CI, which needs pnpm to bypass its bundled gyp_main.py.

- name: Use external node-gyp to avoid pnpm's bundled copy

run: |

npm install -g node-gyp@11.5.0

echo "npm_config_node_gyp=$(npm root -g)/node-gyp/bin/node-gyp.js" >> "$GITHUB_ENV"

- name: Install dependencies

run: pnpm install --frozen-lockfile

- name: Build Electron app for terminal perf

run: npx electron-vite build --mode e2e

- name: Run terminal scale perf report gate

env:

ORCA_TERMINAL_PERF_GREP: ${{ inputs.grep }}

ORCA_TERMINAL_PERF_FRAME_COUNT: ${{ inputs.frame_count }}

ORCA_TERMINAL_PERF_FRAME_INTERVAL_MS: ${{ inputs.frame_interval_ms }}

ORCA_TERMINAL_PERF_PRESSURE_OUTPUT_CHARS: ${{ inputs.pressure_output_chars }}

ORCA_TERMINAL_PERF_SCALE_PANES: ${{ inputs.scale_panes }}

ORCA_TERMINAL_PERF_SCALE_CROSS_WORKSPACE_PANES: ${{ inputs.scale_cross_workspace_panes }}

ORCA_TERMINAL_PERF_SCALE_PRESSURE_PANES: ${{ inputs.scale_pressure_panes }}

ORCA_TERMINAL_PERF_SCALE_HIDDEN_PRESSURE_PANES: ${{ inputs.scale_hidden_pressure_panes }}

run: |

set -euo pipefail

args=()

if [ -n "${ORCA_TERMINAL_PERF_GREP:-}" ]; then

args+=(--grep "$ORCA_TERMINAL_PERF_GREP")

fi

if [ -n "${ORCA_TERMINAL_PERF_FRAME_COUNT:-}" ]; then

export ORCA_E2E_OPENCODE_FRAME_COUNT="$ORCA_TERMINAL_PERF_FRAME_COUNT"

fi

if [ -n "${ORCA_TERMINAL_PERF_FRAME_INTERVAL_MS:-}" ]; then

export ORCA_E2E_OPENCODE_FRAME_INTERVAL_MS="$ORCA_TERMINAL_PERF_FRAME_INTERVAL_MS"

fi

if [ -n "${ORCA_TERMINAL_PERF_PRESSURE_OUTPUT_CHARS:-}" ]; then

export ORCA_E2E_OPENCODE_PRESSURE_OUTPUT_CHARS="$ORCA_TERMINAL_PERF_PRESSURE_OUTPUT_CHARS"

fi

if [ -n "${ORCA_TERMINAL_PERF_SCALE_PANES:-}" ]; then

export ORCA_E2E_OPENCODE_SCALE_PANES="$ORCA_TERMINAL_PERF_SCALE_PANES"

fi

if [ -n "${ORCA_TERMINAL_PERF_SCALE_CROSS_WORKSPACE_PANES:-}" ]; then

export ORCA_E2E_OPENCODE_SCALE_CROSS_WORKSPACE_PANES="$ORCA_TERMINAL_PERF_SCALE_CROSS_WORKSPACE_PANES"

fi

if [ -n "${ORCA_TERMINAL_PERF_SCALE_PRESSURE_PANES:-}" ]; then

export ORCA_E2E_OPENCODE_SCALE_PRESSURE_PANES="$ORCA_TERMINAL_PERF_SCALE_PRESSURE_PANES"

fi

if [ -n "${ORCA_TERMINAL_PERF_SCALE_HIDDEN_PRESSURE_PANES:-}" ]; then

export ORCA_E2E_OPENCODE_SCALE_HIDDEN_PRESSURE_PANES="$ORCA_TERMINAL_PERF_SCALE_HIDDEN_PRESSURE_PANES"

fi

xvfb-run --auto-servernum env SKIP_BUILD=1 pnpm run test:e2e:terminal-perf:scale:report -- "${args[@]}"

- name: Upload terminal perf report

if: always()

uses: actions/upload-artifact@v7

with:

name: terminal-scale-perf-report

path: ${{ env.ORCA_E2E_TERMINAL_PERF_REPORT_PATH }}

retention-days: 14

if-no-files-found: warn

- name: Upload Playwright traces

if: failure()

uses: actions/upload-artifact@v7

with:

name: terminal-scale-perf-traces

path: test-results/

retention-days: 7

if-no-files-found: ignore