private string FormatMessage(long extraSleepTime, IDictionary <string, JvmPauseMonitor.GcTimes
> gcTimesAfterSleep, IDictionary <string, JvmPauseMonitor.GcTimes> gcTimesBeforeSleep
)
{
ICollection <string> gcBeanNames = Sets.Intersection(gcTimesAfterSleep.Keys, gcTimesBeforeSleep
.Keys);
IList <string> gcDiffs = Lists.NewArrayList();
foreach (string name in gcBeanNames)
{
JvmPauseMonitor.GcTimes diff = gcTimesAfterSleep[name].Subtract(gcTimesBeforeSleep
[name]);
if (diff.gcCount != 0)
{
gcDiffs.AddItem("GC pool '" + name + "' had collection(s): " + diff.ToString());
}
}
string ret = "Detected pause in JVM or host machine (eg GC): " + "pause of approximately "
+ extraSleepTime + "ms\n";
if (gcDiffs.IsEmpty())
{
ret += "No GCs detected";
}
else
{
ret += Joiner.On("\n").Join(gcDiffs);
}
return(ret);
}
private JvmPauseMonitor.GcTimes Subtract(JvmPauseMonitor.GcTimes other)
{
return(new JvmPauseMonitor.GcTimes(this.gcCount - other.gcCount, this.gcTimeMillis
- other.gcTimeMillis));
}