Obtain efficiency of buildbot slaves.

builbot-slave-efficiency.py

# The mozautomation package can be found at https://hg.mozilla.org/users/gszorc_mozilla.com/hgext-gecko-dev/
# Usage: python this_script.py 2013-08-25 4

import datetime
import sys
import time

from mozautomation.buildbotdata import BuildbotDump

start, count = sys.argv[1:]
year, month, day = start.split('-')
start_date = datetime.date(int(year), int(month), int(day))

b = BuildbotDump()
for i in range(int(count)):
    delta = datetime.timedelta(i)
    d = start_date + delta
    b.load_date(d)

slave_groups = b.slave_groups()

print('Group\tSlave\t# Jobs\tTotal Duration\tEfficency')
for group in sorted(slave_groups.keys()):
    for name in sorted(slave_groups[group]):
        build_count, total_duration, active_percent = b.slave_efficiency(slave_name=name)

        print('%s\t%s\t%d\t%d\t%2.f%%' % (group, name, build_count, total_duration,
            active_percent * 100))