Function initializeMetrics

packages/core/src/telemetry/metrics.ts:59–104

(config: Config)

}

export function initializeMetrics(config: Config): void {
  if (isMetricsInitialized) return;

  const meter = getMeter();
  if (!meter) return;

  toolCallCounter = meter.createCounter(METRIC_TOOL_CALL_COUNT, {
    description: 'Counts tool calls, tagged by function name and success.',
    valueType: ValueType.INT,
  });
  toolCallLatencyHistogram = meter.createHistogram(METRIC_TOOL_CALL_LATENCY, {
    description: 'Latency of tool calls in milliseconds.',
    unit: 'ms',
    valueType: ValueType.INT,
  });
  apiRequestCounter = meter.createCounter(METRIC_API_REQUEST_COUNT, {
    description: 'Counts API requests, tagged by model and status.',
    valueType: ValueType.INT,
  });
  apiRequestLatencyHistogram = meter.createHistogram(
    METRIC_API_REQUEST_LATENCY,
    {
      description: 'Latency of API requests in milliseconds.',
      unit: 'ms',
      valueType: ValueType.INT,
    },
  );
  tokenUsageCounter = meter.createCounter(METRIC_TOKEN_USAGE, {
    description: 'Counts the total number of tokens used.',
    valueType: ValueType.INT,
  });
  fileOperationCounter = meter.createCounter(METRIC_FILE_OPERATION_COUNT, {
    description: 'Counts file operations (create, read, update).',
    valueType: ValueType.INT,
  });
  chatCompressionCounter = meter.createCounter(EVENT_CHAT_COMPRESSION, {
    description: 'Counts chat compression events.',
    valueType: ValueType.INT,
  });
  const sessionCounter = meter.createCounter(METRIC_SESSION_COUNT, {
    description: 'Count of CLI sessions started.',
    valueType: ValueType.INT,
  });
  sessionCounter.add(1, getCommonAttributes(config));
  isMetricsInitialized = true;
}

export function recordChatCompressionMetrics(
  config: Config,