Signed-off-by: Avi Kivity <[email protected]>
---
kvm/kvm_stat | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/kvm/kvm_stat b/kvm/kvm_stat
index 2e1fe73..e3e9def 100755
--- a/kvm/kvm_stat
+++ b/kvm/kvm_stat
@@ -265,10 +265,11 @@ class TracepointProvider(object):
for name, number in values.iteritems():
extra.append(f + '(' + name + ')')
fields += extra
+ self._setup(fields)
self.select(fields)
def fields(self):
return self._fields
- def select(self, _fields):
+ def _setup(self, _fields):
self._fields = _fields
cpure = r'cpu([0-9]+)'
self.cpus = [int(re.match(cpure, x).group(1))
@@ -293,6 +294,13 @@ class TracepointProvider(object):
tracepoint = tracepoint,
filter = filter)
self.group_leaders.append(group)
+ def select(self, fields):
+ for group in self.group_leaders:
+ for event in group.events:
+ if event.name in fields:
+ event.enable()
+ else:
+ event.disable()
def read(self):
from collections import defaultdict
ret = defaultdict(int)
--
1.7.1
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