PerformanceCounter.NextValue hangs on some machines.
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by Poma
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Published on 2010-05-19T17:58:19Z
Indexed on
2010/05/19
18:00 UTC
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Hit count: 1015
I don't know why, but many computers hangs on following operation:
void Init()
{
net1 = new List<PerformanceCounter>();
net2 = new List<PerformanceCounter>();
foreach (string instance in new PerformanceCounterCategory("Network Interface").GetInstanceNames())
{
net1.Add(new PerformanceCounter("Network Interface", "Bytes Received/sec", instance));
net2.Add(new PerformanceCounter("Network Interface", "Bytes Sent/sec", instance));
}
}
//Once in 1 second
void UpdateStats()
{
Status.Text = "";
for (int i = 0; i < net1.Count; i++)
Status.Text += string.Format("{0}/{1} Kb/sec; ", net1[i].NextValue() / 1024, net2[i].NextValue() / 1024);
}
On some computes program hangs completely on first call of UpdateStats()
, others experiencing 100% CPU load but program works (slowly). Other counters like new PerformanceCounter("Processor", "% Processor Time", "_Total")
seems to work fine.
Any suggwstions why is that?
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