# This file adds a new "Steady State" results (working set and cpu) to the "application" job.
# It uses all the measurements after the warmup is done.

results:

- name: benchmarks/working-set/steady
  description: Load Working Set - P90 (MB)
  format: n0

- name: benchmarks/cpu/steady
  description: Load CPU Usage - P90 (%)
  format: n0

onResultsCreating:
  - |

    function steadyState(measurement, reduce) {
      // Calculates the result of the 'reduce' operation on the 'measurement' property of the application job.
      // example: 
      //   const result = steadyState('benchmarks/working-set', percentile90);

      let duration = benchmarks.jobs.load.variables.duration;
      let measurements = benchmarks.jobs.application.measurements[0].filter(m => m.name == measurement);
      
      // Don't add any result if there are no measurements
      if (measurements.length == 0) {
        console.warn(`No measurements available for '${measurement}'.`);
        return null;
      }

      let lastMeasurement = measurements[measurements.length-1];
      let begin = new Date(lastMeasurement.timestamp) - duration * 1000;
      let recent = measurements.filter(m => new Date(m.timestamp) >= begin);
      let values = recent.map(m => m.value);
      let result = reduce(values);
      
      return result;
    }

onResultsCreated:
  - |
    benchmarks.jobs.application.results["benchmarks/working-set/steady"] = steadyState('benchmarks/working-set', percentile90);
    benchmarks.jobs.application.results["benchmarks/cpu/steady"] = steadyState('benchmarks/cpu', percentile90);