self.fs_chance.dir_chances[upper_dir].addFile(path)
self.cache.check(path)
##miss or hit it
#hit the file requested
self.fs_chance.dir_chances[upper_dir].hitFile(path)
#miss all of the others
self.fs_chance.dir_chances[upper_dir].missExcept(path)
highest_chancer = self.get_highest_chancer(upper_dir)
self.ticks += 1
def exit(self):
for dc_path in self.fs_chance.dir_chances:
dc = self.fs_chance.dir_chances[dc_path]
for fname in dc.file_chances:
if dc.file_chances[fname][0] > 5:
pass
#print dc
print str(self.clear_rate) + ": " + str(self.cache)
sr = pardus_stats.StrategyRunner(os.getcwd() + "/..")
for i in range(1, 1000):
ps = PrintStrategy(i * 100)
sr.start(ps)
class NaiveStrategy(pardus_stats.Strategy):
def __init__(self, clear_rate):
self.clear_rate = clear_rate
self.cache = Cache(clear_rate)
def start(self, fs_chance):
self.ticks = 0
self.cache.clear()
self.fs_chance = fs_chance
self.shutoff_switch = False
def tick(self, record):
path = record.syscall.arg
upper_dir = self.fs_chance.get_dir_from_path(path)
syscall = record.syscall.syscall
program_path = record.program_path
if (not (syscall in ["open", "execve", "stat"
])) or self.is_nonsense(path):
return
self.cache.check(path)
return (self.cache.hits, self.cache.misses)
if __name__ == "__main__":
sr = pardus_stats.StrategyRunner(os.getcwd() + "/..",
"/seer-data/small-sample")
for i in range(1, 2):
ps = NaiveStrategy(i * 10)
sr.start(ps)
print " Hits: ", ps.cache.hits, "Misses: ", ps.cache.misses
