profiler_new.py

import gdb
import time


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 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.clock()
          ocurrencias=ocurrencias+1
        else:  
          trun=(time.clock()-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(";",2)
  
  #print (cadena,"-",cadena[0],'-',cadena[1],'-', cadena[2])
  section =cadena[0]=="True"
  kernel_end=cadena[1]
  
  #print ("B "+section+"ke "+kernel_end+" ....")
  #print (cadena[2].split(";"))
  for init_str in  cadena[2].split(";"):
     gdb.execute(init_str)
  if (section):
      gdb.execute ("break "+kernel_end)
  gdb.execute("r")

  #nosalir=True
  #while nosalir:
    
  if (section):
      #print ("Point 1")
      gdb.execute("c")
  else:
      gdb.execute("finish")
  #print ("Punto 2")
  #print (" Ocurrencias "+str(ocurrencias)+" Tiempo acumulado de ejecucciones "+ str(trun)+ "\n")
  gdb.execute("c")
  
  #print (" Ocurrencias "+str(ocurrencias)+" Tiempo acumulado de ejecucciones "+ str(trun))
  f=open("tmpxxx_return_profiler.conf","w")
  f.write("[DEFAULT] \nOcurrencias = "+str(ocurrencias)+"\nTiempo = "+str(trun)+"\n")
  f.close()	
  #print ("End write file \n")	
  #sys.stdout.flush()

main()