[python-win32] Re: Memory Usage for Processes

[Tom Haddon]

Sorry, a little quick on the trigger there.

I have it working as below (as you can see this is just testing code).

I'm now having trouble retrieving the name of the process. I'm trying:

win32process.GetModuleFileNameEx(handle, <MODULE HANDLE>)

The module handle is escaping me. I've tried using the win32con.PROCESS_QUERY_INFORMATION, and then I've tried iterating through integers from 1 to 100,000 to be sure, but no dice. Am I missing something?


import win32process
import win32con
import win32api

class WinProcesses:
    def __init__(self):
        pass

    def listprocesses(self):
        for process in self.proclist():
            try:
                han = win32api.OpenProcess(win32con.PROCESS_QUERY_INFORMATION, 0, process)
            except:
                han = ""
            if han != "":
                procmeminfo = self.meminfo(han)
                procmemusage = (procmeminfo["WorkingSetSize"]/1024)
                print "PID: %s Mem: %sK" % (process, procmemusage)
            
    
    def proclist(self):
        return win32process.EnumProcesses()

    def meminfo(self, handle):
        return win32process.GetProcessMemoryInfo(handle)

if __name__=="__main__":
    processes = WinProcesses()

    test = processes.listprocesses()

    print test



-----Original Message-----
From: python-win32-bounces at python.org
[mailto:python-win32-bounces at python.org]On Behalf Of Roger Upole
Sent: Thursday, February 10, 2005 4:51 PM
To: python-win32 at python.org
Subject: [python-win32] Re: Memory Usage for Processes


You'll need to specify more access in OpenProcess.
It's 1 now, which is only PROCESS_TERMINATE.
Most likely you're getting an access denied in the
GetProcessMemoryInfo call.  (This is why a bare except:
is not generally a good thing to do)  Try changing the access mode to
win32con.PROCESS_QUERY_INFORMATION|win32con.PROCESS_VM_READ.
    hth
        Roger

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