Hello, how can I get a list of all processes in C# and then for each process current memory and CPU consumption?
Sample code is highly appreciated.
Thank you!
+3
A:
The Process class has a GetProcesses method that will let you enumerate the running processes and list a bunch of stats like memory usage and CPU time. Look at the documentation under properties for the stats.
Memory usage is a complex matter. There is really no single number, that describe the usage. Please see Russinovich's excellent series on the matter. The first installment is here: http://blogs.technet.com/markrussinovich/archive/2008/07/21/3092070.aspx
Brian Rasmussen
2009-08-08 06:28:51
I know about the class, but I couldn't figure out how to get CPU consumption, or which of the 100 memory related fields actually means the real RAM consumption.
Alex
2009-08-08 06:31:14
Memory usage is a bit complex, but my guess is you probably want to look at PrivateMemory.
Brian Rasmussen
2009-08-08 06:33:36
I guess it depends what you mean by RAM (memory) consumption. Windows stores at least two values for the amount of memory being used by a process. The physical memory in use, and the size of the virtual memory allocated to the process. both are consumption...
kdmurray
2009-08-08 06:34:39
The various ProcessorTime properties gives you kernel, user and sum for CPU usage. Is that not what you're looking for?
Brian Rasmussen
2009-08-08 06:36:15
Sorry, let me clarify. I'm basically looking for the values that would be in the task manager as well.
Alex
2009-08-08 06:38:13
@kdmurray: it is actually more complex than that. You also have memory mappings shared/private, reserved vs. commit and so forth.
Brian Rasmussen
2009-08-08 06:38:14
Task manager has numerous options for memory usage similar to what the Process class gives you. As for CPU load % I believe there's a performance counter for that, but I am not sure. I'll have a look.
Brian Rasmussen
2009-08-08 06:40:42
I tried experimenting with the performance counter but it doesn't seem to give an immediate read (it takes like a second to read - measurement time?) or i do something wrong, i dont know.
Alex
2009-08-08 06:41:31
Take a look at http://msdn.microsoft.com/en-us/library/system.diagnostics.performancecounter.aspx for info on performance counters
Brian Rasmussen
2009-08-08 06:42:56
I studied the page earlier today, and it seems way too complex for the task?
Alex
2009-08-08 06:44:49
Well process monitor is a bit complex. If you want to give the user a simplified view of the world, you need to figure out how you want to simplify it.
Brian Rasmussen
2009-08-08 06:51:18
+2
A:
See following link
http://www.codeproject.com/KB/system/processescpuusage.aspx
eip10
2009-12-11 00:41:59