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Filename : mstat.py
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#!/usr/bin/python

### Example2: simple sub-second monitor (ministat)

### This is a quick example showing how to implement your own *stat utility
### If you're interested in such functionality, contact me at dag@wieers.com
import sys
sys.path.insert(0, '/usr/share/dstat/')
import dstat, time

### Set default theme
dstat.theme = dstat.set_theme()

### Allow arguments
try: delay = float(sys.argv[1])
except: delay = 0.2
try: count = int(sys.argv[2])
except: count = 10

### Load stats
stats = []
dstat.starttime = time.time()
dstat.tick = dstat.ticks()
for o in (dstat.dstat_epoch(), dstat.dstat_cpu(), dstat.dstat_mem(), dstat.dstat_load(), dstat.dstat_disk(), dstat.dstat_sys()):
    try: o.check()
    except Exception, e: print e
    else: stats.append(o)

### Make time stats sub-second
stats[0].format = ('t', 14, 0)

### Print headers
title = subtitle = ''
for o in stats:
    title = title + '  ' + o.title()
    subtitle = subtitle + '  ' + o.subtitle()
print '\n' + title + '\n' + subtitle

### Print stats
for dstat.update in range(count):
    line = ''
    for o in stats:
        o.extract()
        line = line + '  ' + o.show()
    print line + dstat.ansi['reset']
    if dstat.update != count-1: time.sleep(delay)
    dstat.tick = 1
print dstat.ansi['reset']