| #!/usr/bin/env python |
| |
| from datetime import datetime |
| import sys |
| import matplotlib.cbook as cbook |
| import matplotlib.image as image |
| import matplotlib.pyplot as plt |
| |
| def formGraph(list_timedelta): |
| """ Draw a graph of the performance of host add response """ |
| plt.plot(list(map(lambda x:x.seconds, list_timedelta))) |
| plt.ylabel("time(s) to add host") |
| plt.xlabel("number of hosts") |
| plt.title("Add Host Performance") |
| plt.grid(True) |
| plt.show() |
| |
| |
| if __name__=='__main__': |
| time_file=open(sys.argv[1], 'r') |
| timelist=[] |
| diffs=[] |
| for line in time_file.readlines(): |
| try: |
| timelist.append(datetime.strptime(line.strip(), "%d %b %Y %H:%M:%S")) |
| except ValueError: |
| print "Unable to parse:",line |
| |
| stime=timelist[:-1] |
| btime=timelist[1:] |
| |
| diffs=list(map(lambda x,y: y - x,stime,btime)) |
| |
| formGraph(diffs) |
| |
| |
| |