From: Avi Kivity <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/kvm_stat b/kvm_stat
index 30374a8..21aff5b 100755
--- a/kvm_stat
+++ b/kvm_stat
@@ -4,11 +4,17 @@ import curses
import sys, os, time, optparse
class Stats:
- def __init__(self):
+ def __init__(self, fields = None):
+ def wanted(key):
+ import re
+ if not fields:
+ return True
+ return re.match(fields, key) != None
self.base = '/sys/kernel/debug/kvm'
self.values = {}
for key in os.listdir(self.base):
- self.values[key] = None
+ if wanted(key):
+ self.values[key] = None
def get(self):
for key, oldval in self.values.iteritems():
newval = int(file(self.base + '/' + key).read())
@@ -26,8 +32,6 @@ if not os.access('/sys/kernel/debug/kvm', os.F_OK):
print "and ensure the kvm modules are loaded"
sys.exit(1)
-stats = Stats()
-
label_width = 20
number_width = 10
@@ -106,8 +110,16 @@ options.add_option('-l', '--log',
dest = 'log',
help = 'run in logging mode (like vmstat)',
)
+options.add_option('-f', '--fields',
+ action = 'store',
+ default = None,
+ dest = 'fields',
+ help = 'fields to display (regex)',
+ )
(options, args) = options.parse_args(sys.argv)
+stats = Stats(fields = options.fields)
+
if options.log:
log(stats)
elif not options.once:
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