getMetadataTooltip()

in frontend/app/components/memory_profile/memory_timeline_graph/memory_timeline_graph.ts [170:214]
45 lines of code
15 McCabe index (conditional complexity)

  getMetadataTooltip(snapshot: MemoryProfileSnapshot|undefined) {
    if (!snapshot) return '';
    const timestampMs = this.picoToMilli(snapshot.timeOffsetPs);
    const stats = snapshot.aggregationStats;
    const metadata = snapshot.activityMetadata;
    if (!stats || !metadata || !metadata.requestedBytes ||
        !metadata.allocationBytes || !metadata.memoryActivity) {
      return '';
    }
    let requestedSizeGib = this.bytesToGiBs(metadata.requestedBytes);
    let allocationSizeGib = this.bytesToGiBs(metadata.allocationBytes);
    if (metadata.memoryActivity === 'DEALLOCATION') {
      requestedSizeGib = -requestedSizeGib;
      allocationSizeGib = -allocationSizeGib;
    }
    const memInUseGib = this.bytesToGiBs(
                                Number(stats.stackReservedBytes) +
                                Number(stats.heapAllocatedBytes))
                            .toFixed(4);
    let metadataTooltip = 'timestamp(ms): ' + timestampMs.toFixed(1);
    metadataTooltip += '\nevent: ' + metadata.memoryActivity.toLowerCase();
    if (Number(metadata.requestedBytes) > 0) {
      metadataTooltip +=
          '\nrequested_size(GiBs): ' + requestedSizeGib.toFixed(4);
    }
    metadataTooltip +=
        '\nallocation_size(GiBs): ' + allocationSizeGib.toFixed(4);
    if (metadata.tfOpName) {
      metadataTooltip += '\ntf_op: ' + metadata.tfOpName;
    }
    if (metadata.stepId) {
      metadataTooltip += '\nstep_id: ' + metadata.stepId;
    }
    if (metadata.regionType) {
      metadataTooltip += '\nregion_type: ' + metadata.regionType;
    }
    if (metadata.dataType && metadata.dataType !== 'INVALID') {
      metadataTooltip += '\ndata_type: ' + metadata.dataType;
    }
    if (metadata.tensorShape) {
      metadataTooltip += '\ntensor_shape: ' + metadata.tensorShape;
    }
    metadataTooltip += '\n\nmemory_in_use(GiBs): ' + memInUseGib;
    return metadataTooltip;
  }