[schedstats] Fix schedstatparser

src/schedstat/schedstatparser.py

 import re
+import sys
 
 SCHEDSTAT_VERSION = 15
 version_re = re.compile('^version ([0-9]+)$')
@@ -14,14 +15,14 @@ def check_version(match):
 empty_re = re.compile('^\s*$')
 
 class Cpu:
-    RE = re.compile('^cpu([0-9]+) ([0-9 ]+)$')
+    RE = re.compile('^cpu([0-9]+) ([\-0-9 ]+)$')
     def __init__(self, match):
         self.index = int(match.group(1))
         self.stats = [ int(stat) for stat in match.group(2).split(" ") ]
         self.domains = {}
 
 class Domain:
-    RE = re.compile('^domain([0-9]+) ([0-9a-f,]+) ([0-9 ]+)$')
+    RE = re.compile('^domain([0-9]+) ([\-0-9a-f,]+) ([\-0-9 ]+)$')
     def __init__(self, match):
         self.index = int(match.group(1))
         self.cpusmask = [ int(part, 16) for part in match.group(2).split(",") ]