diff options
| -rwxr-xr-x | scripts/kvm/kvm_stat | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/scripts/kvm/kvm_stat b/scripts/kvm/kvm_stat index 66dfed6ec3..c4e22d0536 100755 --- a/scripts/kvm/kvm_stat +++ b/scripts/kvm/kvm_stat @@ -385,9 +385,7 @@ class TracepointProvider(object): extra.append(f + '(' + name + ')') fields += extra self._setup(fields) - self.select(fields) - def fields(self): - return self._fields + self.fields = fields def _setup(self, _fields): self._fields = _fields @@ -417,7 +415,14 @@ class TracepointProvider(object): tracepoint=tracepoint, tracefilter=tracefilter) self.group_leaders.append(group) - def select(self, fields): + + @property + def fields(self): + return self._fields + + @fields.setter + def fields(self, fields): + self._fields = fields for group in self.group_leaders: for event in group.events: if event.name in fields: @@ -425,6 +430,7 @@ class TracepointProvider(object): event.enable() else: event.disable() + def read(self): ret = defaultdict(int) for group in self.group_leaders: @@ -435,10 +441,15 @@ class TracepointProvider(object): class DebugfsProvider(object): def __init__(self): self._fields = walkdir(PATH_DEBUGFS_KVM)[2] + + @property def fields(self): return self._fields - def select(self, fields): + + @fields.setter + def fields(self, fields): self._fields = fields + def read(self): def val(key): return int(file(PATH_DEBUGFS_KVM + '/' + key).read()) @@ -456,17 +467,17 @@ class Stats: return re.match(self.fields_filter, key) is not None self.values = dict() for d in self.providers: - provider_fields = [key for key in d.fields() if wanted(key)] + provider_fields = [key for key in d.fields if wanted(key)] for key in provider_fields: self.values[key] = None - d.select(provider_fields) + d.fields = provider_fields def set_fields_filter(self, fields_filter): self.fields_filter = fields_filter self._update() def get(self): for d in self.providers: new = d.read() - for key in d.fields(): + for key in d.fields: oldval = self.values.get(key, (0, 0)) newval = new[key] newdelta = None |