python.AthDsoLogger Namespace Reference

Classes
class	DsoEvent
class	DsoLogger

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

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

Function Documentation

__del__()

python.AthDsoLogger.__del__

(

self

)

Definition at line 81 of file AthDsoLogger.py.

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

default_cb_fct()

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

Definition at line 87 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__

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

private

Definition at line 10 of file AthDsoLogger.py.

__doc__

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

private

Definition at line 8 of file AthDsoLogger.py.

__version__

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

private

Definition at line 9 of file AthDsoLogger.py.

_cb_fct_type

python.AthDsoLogger._cb_fct_type

protected

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

Definition at line 39 of file AthDsoLogger.py.

_data

python.AthDsoLogger._data

protected

Definition at line 51 of file AthDsoLogger.py.

_fd

python.AthDsoLogger._fd

protected

Definition at line 69 of file AthDsoLogger.py.

argtypes

python.AthDsoLogger.argtypes

Definition at line 43 of file AthDsoLogger.py.

cb_fct

python.AthDsoLogger.cb_fct = self.default_cb_fct

Definition at line 58 of file AthDsoLogger.py.

delimiter

python.AthDsoLogger.delimiter

Definition at line 70 of file AthDsoLogger.py.

fct

python.AthDsoLogger.fct = self.lib.ath_dso_cbk_register

Definition at line 42 of file AthDsoLogger.py.

fname

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

Definition at line 66 of file AthDsoLogger.py.

msg

python.AthDsoLogger.msg

Definition at line 54 of file AthDsoLogger.py.

out

python.AthDsoLogger.out

Definition at line 70 of file AthDsoLogger.py.

restype

python.AthDsoLogger.restype

Definition at line 44 of file AthDsoLogger.py.