showTooltip()

in frontend/app/components/pod_viewer/topology_graph/topology_graph.ts [402:458]
52 lines of code
15 McCabe index (conditional complexity)

  showTooltip(id: string) {
    this.tooltipText = '';
    let podStatsRecord: PodStatsRecord|null = null;
    let coreId = '';

    const found =
        Object.entries(this.podStatsPerCore || {}).find(([, value]) => {
          const chipId = value.chipId || 0;
          const nodeId = value.nodeId || 0;
          return id === 'node-' + chipId.toString() + '-' + nodeId.toString();
        });

    if (!found || found.length !== 2) {
      return;
    }

    coreId = found[0];
    podStatsRecord = found[1];
    if (!podStatsRecord) {
      return;
    }

    const chipId = podStatsRecord.chipId || 0;
    const nodeId = podStatsRecord.nodeId || 0;
    this.tooltipText += 'pos: (';
    this.tooltipText +=
        (chipId % (this.hostColumns * this.hostXStride)).toString();
    this.tooltipText += ',';
    this.tooltipText +=
        Math.floor(chipId / (this.hostColumns * this.hostXStride)).toString();
    this.tooltipText += ')\n';
    this.tooltipText += 'host: ' + (podStatsRecord.hostName || '') + '\n';
    this.tooltipText += 'chip id: ' + chipId.toString() + '\n';
    this.tooltipText += 'node id: ' + nodeId.toString() + '\n';
    if (this.coreIdToReplicaIdMap &&
        this.coreIdToReplicaIdMap[coreId] !== undefined) {
      this.tooltipText +=
          'replica id: ' + this.coreIdToReplicaIdMap[coreId].toString() + '\n';
    }
    if (this.selectedMetric && this.selectedMetricLabel) {
      const value: number = utils.getPodStatsRecordBreakdownProperty(
          podStatsRecord, this.selectedMetric.toString());
      this.tooltipText += this.selectedMetricLabel.replace('Color: ', '');
      this.tooltipText += ' spends ';
      this.tooltipText += value.toFixed(2);
      this.tooltipText += 'us in total, ';
      this.tooltipText += 'taking ';
      this.tooltipText += podStatsRecord.totalDurationUs ?
          (100 * value / podStatsRecord.totalDurationUs).toFixed(2) :
          '0.00';
      this.tooltipText += '% of a step.';
    }

    const nodeInfo = this.getNodePosition(chipId, nodeId);
    this.tooltipX = nodeInfo.x + TOOLTIP_OFFSET_X;
    this.tooltipY = nodeInfo.y + TOOLTIP_OFFSET_Y;
  }