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# Copyright (c) 2017-2025. The SimGrid Team. All rights reserved.
#
# This program is free software you can redistribute it and/or modify it
# under the terms of the license (GNU LGPL) which comes with this package.
"""
Usage: actor-suspend.py platform_file [other parameters]
"""
import sys
from simgrid import Actor, Engine, this_actor
def lazy_guy():
"""The Lazy guy only wants to sleep, but can be awaken by the dream_master actor"""
this_actor.info("Nobody's watching me ? Let's go to sleep.")
this_actor.suspend() # - Start by suspending itself
this_actor.info("Uuuh ? Did somebody call me ?")
# - Then repetitively go to sleep, but get awaken
this_actor.info("Going to sleep...")
this_actor.sleep_for(10)
this_actor.info("Mmm... waking up.")
this_actor.info("Going to sleep one more time (for 10 sec)...")
this_actor.sleep_for(10)
this_actor.info("Waking up once for all!")
this_actor.info("Ok, let's do some work, then (for 10 sec on Boivin).")
this_actor.execute(980.95e6)
this_actor.info("Mmmh, I'm done now. Goodbye.")
def dream_master():
"""The Dream master"""
this_actor.info("Let's create a lazy guy.") # Create a lazy_guy actor
lazy = e.add_actor("Lazy", this_actor.get_host(), lazy_guy)
this_actor.info("Let's wait a little bit...")
this_actor.sleep_for(10) # Wait for 10 seconds
this_actor.info("Let's wake the lazy guy up! >:) BOOOOOUUUHHH!!!!")
if lazy.is_suspended():
lazy.resume() # Then wake up the lazy_guy
else:
this_actor.error(
"I was thinking that the lazy guy would be suspended now")
this_actor.sleep_for(5) # Repeat two times:
this_actor.info("Suspend the lazy guy while he's sleeping...")
lazy.suspend() # Suspend the lazy_guy while he's asleep
this_actor.info("Let him finish his siesta.")
this_actor.sleep_for(10) # Wait for 10 seconds
this_actor.info("Wake up, lazy guy!")
lazy.resume() # Then wake up the lazy_guy again
this_actor.sleep_for(5)
this_actor.info("Suspend again the lazy guy while he's sleeping...")
lazy.suspend()
this_actor.info("This time, don't let him finish his siesta.")
this_actor.sleep_for(2)
this_actor.info("Wake up, lazy guy!")
lazy.resume()
this_actor.sleep_for(5)
this_actor.info(
"Give a 2 seconds break to the lazy guy while he's working...")
lazy.suspend()
this_actor.sleep_for(2)
this_actor.info("Back to work, lazy guy!")
lazy.resume()
this_actor.info("OK, I'm done here.")
if __name__ == '__main__':
e = Engine(sys.argv)
if len(sys.argv) < 2:
raise AssertionError(
"Usage: actor-suspend.py platform_file [other parameters]")
e.load_platform(sys.argv[1]) # Load the platform description
hosts = e.all_hosts
e.add_actor("dream_master", hosts[0], dream_master)
e.run() # Run the simulation
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