std::optional<AllocatorStats> XlaDeviceAllocator::GetStats() {
  std::optional<stream_executor::AllocatorStats> se_stats =
      stream_executor_->GetAllocatorStats();
  if (!se_stats) {
    return std::nullopt;
  }

  tensorflow::AllocatorStats tf_stats;
  tf_stats.num_allocs = se_stats->num_allocs;
  tf_stats.bytes_in_use = se_stats->bytes_in_use;
  tf_stats.peak_bytes_in_use = se_stats->peak_bytes_in_use;

// The resulting bitvector will have no more than size/goarch.PtrSize bits.
func progToPointerMask(prog *byte, size uintptr) bitvector {
	n := (size/goarch.PtrSize + 7) / 8
	x := (*[1 << 30]byte)(persistentalloc(n+1, 1, &memstats.buckhash_sys))[:n+1]
	x[len(x)-1] = 0xa1 // overflow check sentinel
	n = runGCProg(prog, &x[0])
	if x[len(x)-1] != 0xa1 {
		throw("progToPointerMask: overflow")
	}
	return bitvector{int32(n), &x[0]}
}

import org.opensearch.core.xcontent.XContentBuilder;
import org.opensearch.monitor.jvm.JvmStats;
import org.opensearch.monitor.jvm.JvmStats.BufferPool;
import org.opensearch.monitor.jvm.JvmStats.Classes;
import org.opensearch.monitor.jvm.JvmStats.GarbageCollectors;
import org.opensearch.monitor.jvm.JvmStats.Mem;
import org.opensearch.monitor.jvm.JvmStats.Threads;
import org.opensearch.monitor.os.OsProbe;
import org.opensearch.monitor.os.OsStats;

import org.opensearch.action.admin.cluster.health.ClusterHealthResponse;
import org.opensearch.monitor.jvm.JvmStats;
import org.opensearch.monitor.jvm.JvmStats.BufferPool;
import org.opensearch.monitor.jvm.JvmStats.Classes;
import org.opensearch.monitor.jvm.JvmStats.GarbageCollectors;
import org.opensearch.monitor.jvm.JvmStats.Mem;
import org.opensearch.monitor.jvm.JvmStats.Threads;
import org.opensearch.monitor.os.OsProbe;
import org.opensearch.monitor.os.OsStats;

			return nil, nil
		}

		newStats := stats.Cpu
		cachedStats := cached.stats
		nanoSeconds := newStats.Timestamp - cachedStats.Timestamp
		if nanoSeconds <= 0 {
			return nil, fmt.Errorf("zero or negative interval (%v - %v)", newStats.Timestamp, cachedStats.Timestamp)
		}
		usageNanoCores := uint64(float64(newStats.UsageCoreNanoSeconds.Value-cachedStats.UsageCoreNanoSeconds.Value) /

		var throughputHighestResults []SpeedTestResult

		sendResult := func() {
			var result madmin.SpeedTestResult

			durationSecs := opts.duration.Seconds()

			result.GETStats.ThroughputPerSec = throughputHighestGet / uint64(durationSecs)
			result.GETStats.ObjectsPerSec = throughputHighestGet / uint64(opts.objectSize) / uint64(durationSecs)
			result.PUTStats.ThroughputPerSec = throughputHighestPut / uint64(durationSecs)

			CollectedAt:   UTCNow(),
			InterfaceName: globalInternodeInterface,
		}
		netStats, err := net.GetInterfaceNetStats(globalInternodeInterface)
		if err != nil {
			m.Errors = append(m.Errors, fmt.Sprintf("%s: %v  (nicstats)", byHostName, err.Error()))
		} else {
			m.Aggregated.Net.NetStats = netStats
		}
	}
	if types.Contains(madmin.MetricsMem) {
		m.Aggregated.Mem = &madmin.MemMetrics{

func Process(config *config.BugReportConfig, logStr string) (string, *Stats) {
	if !config.TimeFilterApplied {
		return logStr, getStats(config, logStr)
	}
	out := getTimeRange(logStr, config.StartTime, config.EndTime)
	return out, getStats(config, out)
}

// getTimeRange returns the log lines that fall inside the start to end time range, inclusive.

	// Compute the memory states of each block.
	startMem := f.Cache.allocValueSlice(f.NumBlocks())
	defer f.Cache.freeValueSlice(startMem)
	endMem := f.Cache.allocValueSlice(f.NumBlocks())
	defer f.Cache.freeValueSlice(endMem)
	memState(f, startMem, endMem)

	for _, b := range f.Blocks {
		for _, v := range b.Values {
			if v.Op.isLoweredGetClosurePtr() {
				// Must stay in the entry block.
				continue
			}
			switch v.Op {

			}
		case "QStats":
			err = z.QStats.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "QStats")
				return
			}
		case "MRFStats":
			err = z.MRFStats.DecodeMsg(dc)
			if err != nil {
				err = msgp.WrapError(err, "MRFStats")
				return
			}
		default:
			err = dc.Skip()
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}