All files / lib/internal/perf nodetiming.js

100% Statements 160/160
83.33% Branches 10/12
100% Functions 8/8
100% Lines 160/160

Press n or j to go to the next uncovered block, b, p or k for the previous block.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 16130x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 30x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 40x 40x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 32x 32x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 32x 32x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 69x 69x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 32x 32x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 34x 34x 34x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 1225x 30x 30x 2x 2x 2x 2x 2x 2x 2x 2x 2x 30x 30x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 24x 30x 30x 30x 30x 30x 30x 30x  
'use strict';
 
const {
  ObjectDefineProperties,
  ObjectSetPrototypeOf,
} = primordials;
 
const { PerformanceEntry } = require('internal/perf/performance_entry');
 
const {
  now,
  getMilestoneTimestamp,
} = require('internal/perf/utils');
 
const {
  customInspectSymbol: kInspect,
} = require('internal/util');
 
const { inspect } = require('util');
 
const {
  constants: {
    NODE_PERFORMANCE_MILESTONE_NODE_START,
    NODE_PERFORMANCE_MILESTONE_V8_START,
    NODE_PERFORMANCE_MILESTONE_LOOP_START,
    NODE_PERFORMANCE_MILESTONE_LOOP_EXIT,
    NODE_PERFORMANCE_MILESTONE_BOOTSTRAP_COMPLETE,
    NODE_PERFORMANCE_MILESTONE_ENVIRONMENT
  },
  loopIdleTime,
} = internalBinding('performance');
 
class PerformanceNodeTiming {
  constructor() {
    ObjectDefineProperties(this, {
      name: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        value: 'node'
      },
 
      entryType: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        value: 'node'
      },
 
      startTime: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        value: 0
      },
 
      duration: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        get: now
      },
 
      nodeStart: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        get() {
          return getMilestoneTimestamp(NODE_PERFORMANCE_MILESTONE_NODE_START);
        }
      },
 
      v8Start: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        get() {
          return getMilestoneTimestamp(NODE_PERFORMANCE_MILESTONE_V8_START);
        }
      },
 
      environment: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        get() {
          return getMilestoneTimestamp(NODE_PERFORMANCE_MILESTONE_ENVIRONMENT);
        }
      },
 
      loopStart: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        get() {
          return getMilestoneTimestamp(NODE_PERFORMANCE_MILESTONE_LOOP_START);
        }
      },
 
      loopExit: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        get() {
          return getMilestoneTimestamp(NODE_PERFORMANCE_MILESTONE_LOOP_EXIT);
        }
      },
 
      bootstrapComplete: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        get() {
          return getMilestoneTimestamp(
            NODE_PERFORMANCE_MILESTONE_BOOTSTRAP_COMPLETE);
        }
      },
 
      idleTime: {
        __proto__: null,
        enumerable: true,
        configurable: true,
        get: loopIdleTime,
      }
    });
  }
 
  [kInspect](depth, options) {
    if (depth < 0) return this;
 
    const opts = {
      ...options,
      depth: options.depth == null ? null : options.depth - 1
    };
 
    return `PerformanceNodeTiming ${inspect(this.toJSON(), opts)}`;
  }
 
  toJSON() {
    return {
      name: 'node',
      entryType: 'node',
      startTime: this.startTime,
      duration: this.duration,
      nodeStart: this.nodeStart,
      v8Start: this.v8Start,
      bootstrapComplete: this.bootstrapComplete,
      environment: this.environment,
      loopStart: this.loopStart,
      loopExit: this.loopExit,
      idleTime: this.idleTime,
    };
  }
}
 
ObjectSetPrototypeOf(
  PerformanceNodeTiming.prototype,
  PerformanceEntry.prototype);
 
module.exports = new PerformanceNodeTiming();