profiler_new.py

import gdb

import time
import re
import sys
import common_functions as cf 

def exit_handler(event):
   global nosalir
   nosalir=False
   print(str("event type: exit"))
   try:
        print("exit code: {}".format(str(event.exit_code)))
   except Exception as err:
        err_str = "ERROR: {}".format(str(err))
        print(err_str)

"""
Handler that will put a breakpoint on the kernel after
signal
"""
def numreg (kernel):
  try:
    disassemble_array = cf.execute_command(gdb=gdb, to_execute="disassemble {}".format(kernel))
  except:
    disassemble_array = cf.execute_command(gdb=gdb, to_execute="disassemble")
  listareg=set()
  listaregdst=set()
  listaregcond=set()
  for i in range(0, len(disassemble_array) - 1):
     line = disassemble_array[i]
     m=re.match(r".*:\t(\S+) .*",line)
#      print("ASSM_LINE:{}".format(l))
     todacadena="ASSM_LINE:{}".format(line)
     print(todacadena)
     lista=re.findall(r"R(\d+)", line)
     if (len(lista) > 0):   	
         listareg.update(lista)
         print (listareg)
         listaregdst.add (lista[0])
         print (listaregdst)
     lista=re.findall(r" P(\d+)", line)
     if (len(lista) > 0): 
         print (listaregcond)
         listaregcond.update(lista)
  #       if m and m.group(1) != '0':
  #       Print ("Encontrado"

  print ("Registros Visibles ({})".format(len(listareg)))
  print (listareg)
  print ("Registros destino ({})".format(len(listaregdst)))
  print (listaregdst)
  print ("Registros condicionales ({})".format(len(listaregcond)))
  print (listaregcond)
  return (len(listareg))
def set_event(event):
      global trun,ocurrencias,t,primera
      
      print ("Es mi primera vez"+ str(primera)+"  "+str(ocurrencias))
      if (isinstance(event, gdb.BreakpointEvent)):
        if (primera):
          
          t=time.time()
          print ("Tomo tiempo " + str (t))
          ocurrencias=ocurrencias+1
        else:  
          print ("Para tiempo " + str (time.time()))
          trun=(time.time()-t)
        primera=not primera  
    #  else:  
    #      trun=(time.clock()-t)  
"""
Main function
"""
def main():
  global ocurrencias,t,nosalir,trun,primera
  primera=True	;
  ocurrencias=0;


  # Initialize GDB to run the app
  gdb.execute("set confirm off")
  gdb.execute("set pagination off")
  gdb.execute("set target-async off")
  gdb.execute("set non-stop off")

  # Connecting to a exit handler event
  gdb.events.exited.connect(exit_handler)

  # Connecting to a stop signal event
  gdb.events.stop.connect(set_event)

  # gdb_init_strings = str(os.environ["CAROL_FI_INFO"])
  gdb_init_strings = arg0
  cadena=gdb_init_strings.split(";",3)
 
  print >>sys.stderr, (cadena[0]) #,"-",cadena[0],"-",cadena[1],"-", cadena[2],"#". cadena[3])
  section =cadena[0]=="True" 
  onlycount=cadena[1]=="True" 
  #print ("B "+section+"ke "+kernel_end+" ....")
  #print (cadena[2].split(";"))
  for init_str in  cadena[3].split(";"):
     gdb.execute(init_str)
  max=0.  
  gdb.execute("r")
  if (onlycount):     
    ks=cadena[2].split(",",1)
    max=numreg(ks[0])
  else:
     if (section):
       gdb.execute("c")
     else:
       gdb.execute("finish")
  
     f=open("tmpxxx_return_profiler.conf","w")
     f.write("[DEFAULT] \nOcurrencias = "+str(ocurrencias)+"\nTiempo = "+str(trun)+"\n")
     f.close()	
  sys.exit(max)  

main()