Dstat plugins

dstat_mem_commit.py

class dstat_plugin(dstat):                                                                   
    """                                                                                      
    Committed memory usage                                                                   
                                                                                             
    Displays the committed memory.                                                           
    """                                                                                      
    def __init__(self):                                                                      
        self.name = 'commit memory usage'                                                    
        self.nick = ('limit', 'committed', 'perc')                                           
        self.vars = ('CommitLimit', 'Committed_AS', 'Committed_perc')                        
        self.types = ('b', 'b', 'p')                                                         
        self.scales = (1024, 1024, None)                                                     
        self.open('/proc/meminfo')                                                           
                                                                                             
    def extract(self):                                                                       
        for l in self.splitlines():                                                          
            if len(l) < 2: continue                                                          
            name = l[0].split(':')[0]                                                        
            if name in self.vars:                                                            
                self.val[name] = long(l[1]) * 1024.0                                         
        self.val['Committed_perc'] = (self.val['Committed_AS']*100)/self.val['CommitLimit']