perf, sched migration: Librarize task states and event headers helpers

Librarize the task state and event headers helpers as they can
be generally useful.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Nikhil Rao <ncrao@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>

tools/perf/scripts/python/Perf-Trace-Util/lib/Perf/Trace/Core.py

@@ -89,3 +89,33 @@ def trace_flag_str(value):
 	    value &= ~idx
 
     return string
+
+
+def taskState(state):
+	states = {
+		0 : "R",
+		1 : "S",
+		2 : "D",
+		64: "DEAD"
+	}
+
+	if state not in states:
+		return "Unknown"
+
+	return states[state]
+
+
+class EventHeaders:
+	def __init__(self, common_cpu, common_secs, common_nsecs,
+		     common_pid, common_comm):
+		self.cpu = common_cpu
+		self.secs = common_secs
+		self.nsecs = common_nsecs
+		self.pid = common_pid
+		self.comm = common_comm
+
+	def ts(self):
+		return (self.secs * (10 ** 9)) + self.nsecs
+
+	def ts_format(self):
+		return "%d.%d" % (self.secs, int(self.nsecs / 1000))

tools/perf/scripts/python/sched-migration.py

@@ -31,36 +31,6 @@ threads = { 0 : "idle"}
 def thread_name(pid):
 	return "%s:%d" % (threads[pid], pid)
 
-class EventHeaders:
-	def __init__(self, common_cpu, common_secs, common_nsecs,
-		     common_pid, common_comm):
-		self.cpu = common_cpu
-		self.secs = common_secs
-		self.nsecs = common_nsecs
-		self.pid = common_pid
-		self.comm = common_comm
-
-	def ts(self):
-		return (self.secs * (10 ** 9)) + self.nsecs
-
-	def ts_format(self):
-		return "%d.%d" % (self.secs, int(self.nsecs / 1000))
-
-
-def taskState(state):
-	states = {
-		0 : "R",
-		1 : "S",
-		2 : "D",
-		64: "DEAD"
-	}
-
-	if state not in states:
-		return "Unknown"
-
-	return states[state]
-
-
 class RunqueueEventUnknown:
 	@staticmethod
 	def color():