ckaczor/ProcessCpuUsageStatusWindow
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Update to use Process V2 performance counter

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This commit is contained in:
Chris Kaczor
2023-04-02 12:06:41 -04:00
parent d9d0f33788
commit f93983e992
6 changed files with 60 additions and 54 deletions
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24
ProcessCpuUsageWatcher.cs
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@@ -40,18 +40,18 @@ namespace ProcessCpuUsageStatusWindow
CurrentProcessList = new Dictionary<string, ProcessCpuUsage>();
// Get the category for process performance info
_processCategory = PerformanceCounterCategory.GetCategories().FirstOrDefault(category => category.CategoryName == "Process");
_processCategory = PerformanceCounterCategory.GetCategories().FirstOrDefault(category => category.CategoryName == "Process V2");
if (_processCategory == null)
return;
// Read the entire category
InstanceDataCollectionCollection processCategoryData = _processCategory.ReadCategory();
var processCategoryData = _processCategory.ReadCategory();
// Get the processor time data
InstanceDataCollection processorTimeData = processCategoryData["% processor time"];
var processorTimeData = processCategoryData["% processor time"];
if (processorTimeData == null || processorTimeData.Values == null)
if (processorTimeData?.Values == null)
return;
// Loop over each instance and add it to the list
@@ -109,15 +109,15 @@ namespace ProcessCpuUsageStatusWindow
private void UpdateCurrentProcessList()
{
// Get a timestamp for the current time that we can use to see if a process was found this check
DateTime checkStart = DateTime.Now;
var checkStart = DateTime.Now;
// Read the entire category
InstanceDataCollectionCollection processCategoryData = _processCategory.ReadCategory();
var processCategoryData = _processCategory.ReadCategory();
// Get the processor time data
InstanceDataCollection processorTimeData = processCategoryData["% processor time"];
var processorTimeData = processCategoryData["% processor time"];
if (processorTimeData == null || processorTimeData.Values == null)
if (processorTimeData?.Values == null)
return;
// Loop over each instance and add it to the list
@@ -127,7 +127,7 @@ namespace ProcessCpuUsageStatusWindow
if (CurrentProcessList.ContainsKey(instanceData.InstanceName))
{
// Get the previous process usage object
ProcessCpuUsage processCpuUsage = CurrentProcessList[instanceData.InstanceName];
var processCpuUsage = CurrentProcessList[instanceData.InstanceName];
// Update the CPU usage with new data
processCpuUsage.UpdateCpuUsage(instanceData, checkStart);
@@ -144,8 +144,8 @@ namespace ProcessCpuUsageStatusWindow
// Build a list of cached processes we haven't found this check
var oldProcessList = (from processCpuUsage in CurrentProcessList
where processCpuUsage.Value.LastFound != checkStart
select processCpuUsage.Key).ToList();
where processCpuUsage.Value.LastFound != checkStart
select processCpuUsage.Key).ToList();
// Loop over the list and remove the old process
foreach (var key in oldProcessList)
@@ -157,4 +157,4 @@ namespace ProcessCpuUsageStatusWindow
#endregion
}
}
}