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copied!<p>Here's something I put together a while ago, it's windows only but may help you get part of what you need done.</p> <p>Derived from: "for sys available mem" <a href="http://msdn2.microsoft.com/en-us/library/aa455130.aspx" rel="noreferrer">http://msdn2.microsoft.com/en-us/library/aa455130.aspx</a></p> <p>"individual process information and python script examples" <a href="http://www.microsoft.com/technet/scriptcenter/scripts/default.mspx?mfr=true" rel="noreferrer">http://www.microsoft.com/technet/scriptcenter/scripts/default.mspx?mfr=true</a></p> <p>NOTE: the WMI interface/process is also available for performing similar tasks I'm not using it here because the current method covers my needs, but if someday it's needed to extend or improve this, then may want to investigate the WMI tools a vailable.</p> <p>WMI for python:</p> <p><a href="http://tgolden.sc.sabren.com/python/wmi.html" rel="noreferrer">http://tgolden.sc.sabren.com/python/wmi.html</a></p> <p>The code:</p> <pre><code>''' Monitor window processes derived from: >for sys available mem http://msdn2.microsoft.com/en-us/library/aa455130.aspx > individual process information and python script examples http://www.microsoft.com/technet/scriptcenter/scripts/default.mspx?mfr=true NOTE: the WMI interface/process is also available for performing similar tasks I'm not using it here because the current method covers my needs, but if someday it's needed to extend or improve this module, then may want to investigate the WMI tools available. WMI for python: http://tgolden.sc.sabren.com/python/wmi.html ''' __revision__ = 3 import win32com.client from ctypes import * from ctypes.wintypes import * import pythoncom import pywintypes import datetime class MEMORYSTATUS(Structure): _fields_ = [ ('dwLength', DWORD), ('dwMemoryLoad', DWORD), ('dwTotalPhys', DWORD), ('dwAvailPhys', DWORD), ('dwTotalPageFile', DWORD), ('dwAvailPageFile', DWORD), ('dwTotalVirtual', DWORD), ('dwAvailVirtual', DWORD), ] def winmem(): x = MEMORYSTATUS() # create the structure windll.kernel32.GlobalMemoryStatus(byref(x)) # from cytypes.wintypes return x class process_stats: '''process_stats is able to provide counters of (all?) the items available in perfmon. Refer to the self.supported_types keys for the currently supported 'Performance Objects' To add logging support for other data you can derive the necessary data from perfmon: --------- perfmon can be run from windows 'run' menu by entering 'perfmon' and enter. Clicking on the '+' will open the 'add counters' menu, From the 'Add Counters' dialog, the 'Performance object' is the self.support_types key. --> Where spaces are removed and symbols are entered as text (Ex. # == Number, % == Percent) For the items you wish to log add the proper attribute name in the list in the self.supported_types dictionary, keyed by the 'Performance Object' name as mentioned above. --------- NOTE: The 'NETFramework_NETCLRMemory' key does not seem to log dotnet 2.0 properly. Initially the python implementation was derived from: http://www.microsoft.com/technet/scriptcenter/scripts/default.mspx?mfr=true ''' def __init__(self,process_name_list=[],perf_object_list=[],filter_list=[]): '''process_names_list == the list of all processes to log (if empty log all) perf_object_list == list of process counters to log filter_list == list of text to filter print_results == boolean, output to stdout ''' pythoncom.CoInitialize() # Needed when run by the same process in a thread self.process_name_list = process_name_list self.perf_object_list = perf_object_list self.filter_list = filter_list self.win32_perf_base = 'Win32_PerfFormattedData_' # Define new datatypes here! self.supported_types = { 'NETFramework_NETCLRMemory': [ 'Name', 'NumberTotalCommittedBytes', 'NumberTotalReservedBytes', 'NumberInducedGC', 'NumberGen0Collections', 'NumberGen1Collections', 'NumberGen2Collections', 'PromotedMemoryFromGen0', 'PromotedMemoryFromGen1', 'PercentTimeInGC', 'LargeObjectHeapSize' ], 'PerfProc_Process': [ 'Name', 'PrivateBytes', 'ElapsedTime', 'IDProcess',# pid 'Caption', 'CreatingProcessID', 'Description', 'IODataBytesPersec', 'IODataOperationsPersec', 'IOOtherBytesPersec', 'IOOtherOperationsPersec', 'IOReadBytesPersec', 'IOReadOperationsPersec', 'IOWriteBytesPersec', 'IOWriteOperationsPersec' ] } def get_pid_stats(self, pid): this_proc_dict = {} pythoncom.CoInitialize() # Needed when run by the same process in a thread if not self.perf_object_list: perf_object_list = self.supported_types.keys() for counter_type in perf_object_list: strComputer = "." objWMIService = win32com.client.Dispatch("WbemScripting.SWbemLocator") objSWbemServices = objWMIService.ConnectServer(strComputer,"root\cimv2") query_str = '''Select * from %s%s''' % (self.win32_perf_base,counter_type) colItems = objSWbemServices.ExecQuery(query_str) # "Select * from Win32_PerfFormattedData_PerfProc_Process")# changed from Win32_Thread if len(colItems) > 0: for objItem in colItems: if hasattr(objItem, 'IDProcess') and pid == objItem.IDProcess: for attribute in self.supported_types[counter_type]: eval_str = 'objItem.%s' % (attribute) this_proc_dict[attribute] = eval(eval_str) this_proc_dict['TimeStamp'] = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.') + str(datetime.datetime.now().microsecond)[:3] break return this_proc_dict def get_stats(self): ''' Show process stats for all processes in given list, if none given return all processes If filter list is defined return only the items that match or contained in the list Returns a list of result dictionaries ''' pythoncom.CoInitialize() # Needed when run by the same process in a thread proc_results_list = [] if not self.perf_object_list: perf_object_list = self.supported_types.keys() for counter_type in perf_object_list: strComputer = "." objWMIService = win32com.client.Dispatch("WbemScripting.SWbemLocator") objSWbemServices = objWMIService.ConnectServer(strComputer,"root\cimv2") query_str = '''Select * from %s%s''' % (self.win32_perf_base,counter_type) colItems = objSWbemServices.ExecQuery(query_str) # "Select * from Win32_PerfFormattedData_PerfProc_Process")# changed from Win32_Thread try: if len(colItems) > 0: for objItem in colItems: found_flag = False this_proc_dict = {} if not self.process_name_list: found_flag = True else: # Check if process name is in the process name list, allow print if it is for proc_name in self.process_name_list: obj_name = objItem.Name if proc_name.lower() in obj_name.lower(): # will log if contains name found_flag = True break if found_flag: for attribute in self.supported_types[counter_type]: eval_str = 'objItem.%s' % (attribute) this_proc_dict[attribute] = eval(eval_str) this_proc_dict['TimeStamp'] = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S.') + str(datetime.datetime.now().microsecond)[:3] proc_results_list.append(this_proc_dict) except pywintypes.com_error, err_msg: # Ignore and continue (proc_mem_logger calls this function once per second) continue return proc_results_list def get_sys_stats(): ''' Returns a dictionary of the system stats''' pythoncom.CoInitialize() # Needed when run by the same process in a thread x = winmem() sys_dict = { 'dwAvailPhys': x.dwAvailPhys, 'dwAvailVirtual':x.dwAvailVirtual } return sys_dict if __name__ == '__main__': # This area used for testing only sys_dict = get_sys_stats() stats_processor = process_stats(process_name_list=['process2watch'],perf_object_list=[],filter_list=[]) proc_results = stats_processor.get_stats() for result_dict in proc_results: print result_dict import os this_pid = os.getpid() this_proc_results = stats_processor.get_pid_stats(this_pid) print 'this proc results:' print this_proc_results </code></pre> <p><a href="http://monkut.webfactional.com/blog/archive/2009/1/21/windows-process-memory-logging-python" rel="noreferrer">http://monkut.webfactional.com/blog/archive/2009/1/21/windows-process-memory-logging-python</a></p>

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