@opentelemetry/instrumentation-runtime-node/build/src/semconv.d.ts

OpenTelemetry instrumentation for Node.js Performance measurement API

/**
 * The state of event loop time.
 *
 * @experimental This attribute is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const ATTR_NODEJS_EVENTLOOP_STATE: "nodejs.eventloop.state";
/**
 * The type of garbage collection.
 *
 * @experimental This attribute is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const ATTR_V8JS_GC_TYPE: "v8js.gc.type";
/**
 * The name of the space type of heap memory.
 *
 * @note Value can be retrieved from value `space_name` of [`v8.getHeapSpaceStatistics()`](https://nodejs.org/api/v8.html#v8getheapspacestatistics)
 *
 * @experimental This attribute is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const ATTR_V8JS_HEAP_SPACE_NAME: "v8js.heap.space.name";
/**
 * Event loop maximum delay.
 *
 * @note Value can be retrieved from value `histogram.max` of [`perf_hooks.monitorEventLoopDelay([options])`](https://nodejs.org/api/perf_hooks.html#perf_hooksmonitoreventloopdelayoptions)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_NODEJS_EVENTLOOP_DELAY_MAX: "nodejs.eventloop.delay.max";
/**
 * Event loop mean delay.
 *
 * @note Value can be retrieved from value `histogram.mean` of [`perf_hooks.monitorEventLoopDelay([options])`](https://nodejs.org/api/perf_hooks.html#perf_hooksmonitoreventloopdelayoptions)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_NODEJS_EVENTLOOP_DELAY_MEAN: "nodejs.eventloop.delay.mean";
/**
 * Event loop minimum delay.
 *
 * @note Value can be retrieved from value `histogram.min` of [`perf_hooks.monitorEventLoopDelay([options])`](https://nodejs.org/api/perf_hooks.html#perf_hooksmonitoreventloopdelayoptions)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_NODEJS_EVENTLOOP_DELAY_MIN: "nodejs.eventloop.delay.min";
/**
 * Event loop 50 percentile delay.
 *
 * @note Value can be retrieved from value `histogram.percentile(50)` of [`perf_hooks.monitorEventLoopDelay([options])`](https://nodejs.org/api/perf_hooks.html#perf_hooksmonitoreventloopdelayoptions)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_NODEJS_EVENTLOOP_DELAY_P50: "nodejs.eventloop.delay.p50";
/**
 * Event loop 90 percentile delay.
 *
 * @note Value can be retrieved from value `histogram.percentile(90)` of [`perf_hooks.monitorEventLoopDelay([options])`](https://nodejs.org/api/perf_hooks.html#perf_hooksmonitoreventloopdelayoptions)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_NODEJS_EVENTLOOP_DELAY_P90: "nodejs.eventloop.delay.p90";
/**
 * Event loop 99 percentile delay.
 *
 * @note Value can be retrieved from value `histogram.percentile(99)` of [`perf_hooks.monitorEventLoopDelay([options])`](https://nodejs.org/api/perf_hooks.html#perf_hooksmonitoreventloopdelayoptions)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_NODEJS_EVENTLOOP_DELAY_P99: "nodejs.eventloop.delay.p99";
/**
 * Event loop standard deviation delay.
 *
 * @note Value can be retrieved from value `histogram.stddev` of [`perf_hooks.monitorEventLoopDelay([options])`](https://nodejs.org/api/perf_hooks.html#perf_hooksmonitoreventloopdelayoptions)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_NODEJS_EVENTLOOP_DELAY_STDDEV: "nodejs.eventloop.delay.stddev";
/**
 * Cumulative duration of time the event loop has been in each state.
 *
 * @note Value can be retrieved from [`performance.eventLoopUtilization([utilization1[, utilization2]])`](https://nodejs.org/api/perf_hooks.html#performanceeventlooputilizationutilization1-utilization2)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_NODEJS_EVENTLOOP_TIME: "nodejs.eventloop.time";
/**
 * Event loop utilization.
 *
 * @note The value range is [0.0, 1.0] and can be retrieved from [`performance.eventLoopUtilization([utilization1[, utilization2]])`](https://nodejs.org/api/perf_hooks.html#performanceeventlooputilizationutilization1-utilization2)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_NODEJS_EVENTLOOP_UTILIZATION: "nodejs.eventloop.utilization";
/**
 * Garbage collection duration.
 *
 * @note The values can be retrieved from [`perf_hooks.PerformanceObserver(...).observe({ entryTypes: ['gc'] })`](https://nodejs.org/api/perf_hooks.html#performanceobserverobserveoptions)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_V8JS_GC_DURATION: "v8js.gc.duration";
/**
 * Total heap memory size pre-allocated.
 *
 * @note The value can be retrieved from value `space_size` of [`v8.getHeapSpaceStatistics()`](https://nodejs.org/api/v8.html#v8getheapspacestatistics)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_V8JS_MEMORY_HEAP_LIMIT: "v8js.memory.heap.limit";
/**
 * Heap Memory size allocated.
 *
 * @note The value can be retrieved from value `space_used_size` of [`v8.getHeapSpaceStatistics()`](https://nodejs.org/api/v8.html#v8getheapspacestatistics)
 *
 * @experimental This metric is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const METRIC_V8JS_MEMORY_HEAP_USED: "v8js.memory.heap.used";
/**
 * Enum value "active" for attribute {@link ATTR_NODEJS_EVENTLOOP_STATE}.
 *
 * Active time.
 *
 * @experimental This enum value is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const NODEJS_EVENTLOOP_STATE_VALUE_ACTIVE: "active";
/**
 * Enum value "idle" for attribute {@link ATTR_NODEJS_EVENTLOOP_STATE}.
 *
 * Idle time.
 *
 * @experimental This enum value is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const NODEJS_EVENTLOOP_STATE_VALUE_IDLE: "idle";
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