Function recordBlockProfile

packages/cli/src/commands/run.ts:1173–1207

(
  state: RunExecutionState,
  engine: ExecutionEngine,
  result: BlockExecutionResult,
  label: string
)

}

async function recordBlockProfile(
  state: RunExecutionState,
  engine: ExecutionEngine,
  result: BlockExecutionResult,
  label: string
): Promise<string> {
  if (!state.showProfile || !engine.serverPort) {
    return ''
  }

  const hasBefore = state.memoryBefore.has(result.blockId)
  const before = state.memoryBefore.get(result.blockId)
  state.memoryBefore.delete(result.blockId) // Clean up

  if (!hasBefore || before === undefined) {
    return ''
  }

  const metrics = await fetchMetrics(engine.serverPort)
  if (!metrics) {
    return ''
  }

  const delta = metrics.rss - before
  state.blockProfiles.push({
    id: result.blockId,
    label,
    durationMs: result.durationMs,
    memoryBefore: before,
    memoryAfter: metrics.rss,
    memoryDelta: delta,
  })

  return `, ${formatMemoryDelta(delta)}`
}

async function saveExecutionSnapshotBestEffort({
  absolutePath,