python.AthDsoLogger Namespace Reference

Classes
class	DsoEvent
class	DsoLogger

Functions
def	__del__ (self)
def	default_cb_fct (self, evt, usrdata)

Variables
string	__doc__ = "log the vmem usage at each dso being dlopen'd"
string	__version__ = "$Revision: 1.3 $"
string	__author__ = "Sebastien Binet <binet@cern.ch>"
	_cb_fct_type
	self.lib.fetch_vmem.argtypes = None self.lib.fetch_vmem.restype = ctypes.c_float More...
	fct = self.lib.ath_dso_cbk_register
	argtypes
	restype
	_data
	msg
	cb_fct = self.default_cb_fct
string	fname = 'vmem-dso.csv'
	_fd
	out
	delimiter

Function Documentation

__del__()

def python.AthDsoLogger.__del__

(

self

)

Definition at line 82 of file AthDsoLogger.py.

    def __del__ (self):
        # release library
        self.lib.ath_dso_cbk_unregister(self.cb_fct)
        self._fd.close()
 

default_cb_fct()

def python.AthDsoLogger.default_cb_fct	(		self,
			evt,
			usrdata
	)

Definition at line 88 of file AthDsoLogger.py.

        def default_cb_fct (self, evt, usrdata):
            libname = evt.contents.fname
            step = evt.contents.step
 
            if libname is None:
                return 0
            n = _basename (_realpath (libname))
 
            pid = os.getpid()
            def vmem():
                from os import sysconf
                PAGE_SIZE = sysconf ('SC_PAGE_SIZE') # in bytes
 
                from string import split as ssplit
                m = 0
                with open('/proc/self/statm') as f:
                    m = int(ssplit (f.readlines()[0])[0])
                return m * PAGE_SIZE # in bytes
 
            if step == 0:
                self._data[pid][n] = [vmem(), None]
            else:
                data = self._data[pid][n]
                data[1] = vmem()
                vmem_start = data[0]/1024.
                vmem_stop  = data[1]/1024.
                dvmem      = vmem_stop - vmem_start
                self.msg.info (
                    "[%d] loading lib: vmem=(%10.1f + %10.1f) kb [%s]",
                    pid, vmem_start, dvmem, n
                    )
                self.out.writerow ([pid, n, vmem_start, vmem_stop, dvmem])
                #del self._data[pid][n]
            return 0

Variable Documentation

__author__

string python.AthDsoLogger.__author__ = "Sebastien Binet <binet@cern.ch>"

private

Definition at line 11 of file AthDsoLogger.py.

__doc__

string python.AthDsoLogger.__doc__ = "log the vmem usage at each dso being dlopen'd"

private

Definition at line 9 of file AthDsoLogger.py.

__version__

string python.AthDsoLogger.__version__ = "$Revision: 1.3 $"

private

Definition at line 10 of file AthDsoLogger.py.

_cb_fct_type

python.AthDsoLogger._cb_fct_type

private

self.lib.fetch_vmem.argtypes = None self.lib.fetch_vmem.restype = ctypes.c_float

Definition at line 40 of file AthDsoLogger.py.

_data

python.AthDsoLogger._data

private

Definition at line 52 of file AthDsoLogger.py.

_fd

python.AthDsoLogger._fd

private

Definition at line 70 of file AthDsoLogger.py.

argtypes

python.AthDsoLogger.argtypes

Definition at line 44 of file AthDsoLogger.py.

cb_fct

python.AthDsoLogger.cb_fct = self.default_cb_fct

Definition at line 59 of file AthDsoLogger.py.

delimiter

python.AthDsoLogger.delimiter

Definition at line 71 of file AthDsoLogger.py.

fct

python.AthDsoLogger.fct = self.lib.ath_dso_cbk_register

Definition at line 43 of file AthDsoLogger.py.

fname

string python.AthDsoLogger.fname = 'vmem-dso.csv'

Definition at line 67 of file AthDsoLogger.py.

msg

python.AthDsoLogger.msg

Definition at line 55 of file AthDsoLogger.py.

out

python.AthDsoLogger.out

Definition at line 71 of file AthDsoLogger.py.

restype

python.AthDsoLogger.restype

Definition at line 45 of file AthDsoLogger.py.