scripts/kvm/kvm_stat: Rename variables that redefine globals
Filter, id and byte are builtin python modules which should not be redefined by local variables. Reviewed-by: Jason J. Herne <jjherne@linux.vnet.ibm.com> Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com> Message-Id: <1452525484-32309-12-git-send-email-frankja@linux.vnet.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -333,20 +333,21 @@ class Group(object):
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self.events = []
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self.group_leader = None
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self.cpu = cpu
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def add_event(self, name, event_set, tracepoint, filter=None):
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def add_event(self, name, event_set, tracepoint, tracefilter=None):
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self.events.append(Event(group=self,
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name=name, event_set=event_set,
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tracepoint=tracepoint, filter=filter))
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tracepoint=tracepoint,
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tracefilter=tracefilter))
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if len(self.events) == 1:
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self.file = os.fdopen(self.events[0].fd)
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def read(self):
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bytes = 8 * (1 + len(self.events))
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length = 8 * (1 + len(self.events))
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fmt = 'xxxxxxxx' + 'q' * len(self.events)
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return dict(zip([event.name for event in self.events],
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struct.unpack(fmt, self.file.read(bytes))))
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struct.unpack(fmt, self.file.read(length))))
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class Event(object):
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def __init__(self, group, name, event_set, tracepoint, filter=None):
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def __init__(self, group, name, event_set, tracepoint, tracefilter=None):
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self.name = name
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attr = perf_event_attr()
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attr.type = PERF_TYPE_TRACEPOINT
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@ -364,8 +365,8 @@ class Event(object):
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if fd == -1:
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err = get_errno()[0]
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raise Exception('perf_event_open failed, errno = ' + err.__str__())
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if filter:
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fcntl.ioctl(fd, IOCTL_NUMBERS['SET_FILTER'], filter)
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if tracefilter:
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fcntl.ioctl(fd, IOCTL_NUMBERS['SET_FILTER'], tracefilter)
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self.fd = fd
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def enable(self):
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fcntl.ioctl(self.fd, IOCTL_NUMBERS['ENABLE'], 0)
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@ -415,15 +416,15 @@ class TracepointProvider(object):
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group = Group(cpu)
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for name in _fields:
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tracepoint = name
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filter = None
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tracefilter = None
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m = re.match(r'(.*)\((.*)\)', name)
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if m:
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tracepoint, sub = m.groups()
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filter = '%s==%d\0' % (filters[tracepoint][0],
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filters[tracepoint][1][sub])
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tracefilter = '%s==%d\0' % (filters[tracepoint][0],
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filters[tracepoint][1][sub])
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event = group.add_event(name, event_set='kvm',
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tracepoint=tracepoint,
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filter=filter)
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tracefilter=tracefilter)
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self.group_leaders.append(group)
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def select(self, fields):
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for group in self.group_leaders:
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