def testJoining(self):
for traceFile in [testTrace1, testTrace2]:
trace = self.loadTrace(traceFile)
l = len(trace.events)
a = TraceOperations.extract(trace, 0, l / 2)
b = TraceOperations.extract(trace, l / 2, l)
assert len(a.events) + len(b.events) == l
newTrace = TraceOperations.join(a, b)
self.assertEqualEventLists(newTrace.events, trace.events)
for i, event in enumerate(newTrace.events):
self.assertEqual(event.seq, i)
def testJoining(self):
for traceFile in [testTrace1, testTrace2]:
trace = self.loadTrace(traceFile)
l = len(trace.events)
a = TraceOperations.extract(trace, 0, l / 2)
b = TraceOperations.extract(trace, l / 2, l)
assert len(a.events) + len(b.events) == l
newTrace = TraceOperations.join(a, b)
self.assertEqualEventLists(newTrace.events, trace.events)
for i, event in enumerate(newTrace.events):
self.assertEqual(event.seq, i)
def playTrace(self,
traceName,
eventRange=None,
profile=False,
saveFrames=False,
checkCoherence=True,
synchronize=False):
"""
Play back a trace file using a generated trace player.
@param traceName: Trace to play.
@param eventRange: Range of events to play, or all events by default.
@param profile: Should instrumentation data be collected or not.
@param saveFrames: Should frame buffer snapshots be saved or not.
@param checkCoherence: Verify that the trace is properly normalized before playing.
@param sychronize: Attempt to match the original trace timings.
"""
if not traceName in self.analyzer.traces:
self.analyzer.fail("Trace not found: %s" % traceName)
trace = self.analyzer.traces[traceName]
traceFileName = self.analyzer.traceFiles.get(traceName, None)
profile = self.analyzer.parseBoolean(profile)
saveFrames = self.analyzer.parseBoolean(saveFrames)
checkCoherence = self.analyzer.parseBoolean(checkCoherence)
synchronize = self.analyzer.parseBoolean(synchronize)
# Create a temporary trace that only contains the needed events
if eventRange is not None:
firstEvent, lastEvent = self.analyzer.parseEventRange(
trace, eventRange)
traceFileName = None
trace = TraceOperations.extract(trace, firstEvent, lastEvent)
# Create a player
player = Player.createPlayer(self.analyzer)
# Play it
self.analyzer.reportInfo("Playing trace.")
logFile = player.play(trace,
traceFileName,
profile=profile,
saveFrames=saveFrames,
checkCoherence=checkCoherence,
synchronize=synchronize)
# Load the instrumentation data if it exists
if profile and logFile:
Instrumentation.loadInstrumentationData(self.analyzer, trace,
logFile)
self.analyzer.reportInfo(
"Instrumentation data loaded for trace %s." % traceName)
def testExtraction(self):
for traceFile in [testTrace1, testTrace2]:
trace = self.loadTrace(traceFile)
newTrace = TraceOperations.extract(trace, 10, 20)
assert len(newTrace.events) == 10
assert newTrace.events[0].time == 0
assert newTrace.events[0].seq == 0
assert newTrace.events[9].seq == 9
self.assertEqualEventLists(newTrace.events, trace.events[10:20])
newTrace.events[0].name = "foo"
assert trace.events[0].name != "foo"
def testExtraction(self):
for traceFile in [testTrace1, testTrace2]:
trace = self.loadTrace(traceFile)
newTrace = TraceOperations.extract(trace, 10, 20)
assert len(newTrace.events) == 10
assert newTrace.events[0].time == 0
assert newTrace.events[0].seq == 0
assert newTrace.events[9].seq == 9
self.assertEqualEventLists(newTrace.events, trace.events[10:20])
newTrace.events[0].name = "foo"
assert trace.events[0].name != "foo"
def extractTrace(self, traceName, eventRange, traceNameOut = None):
"""
Extract a portion of a trace to form a new trace.
@param traceName: Name of the source trace
@param eventRange: Event range to extract
@param traceNameOut: Name under which the resulting trace is saved, or the original trace by default.
"""
if not traceName in self.analyzer.traces:
self.analyzer.fail("Trace not found: %s" % traceName)
if traceNameOut is None:
traceNameOut = traceName
trace = self.analyzer.traces[traceName]
firstEvent, lastEvent = self.analyzer.parseEventRange(trace, eventRange)
trace = TraceOperations.extract(trace, firstEvent, lastEvent)
self.analyzer.traces[traceNameOut] = trace
self.reportInfo("%d events extracted from trace %s to trace %s." % (len(trace.events), traceName, traceNameOut))
return trace
def playTrace(self, traceName, eventRange = None, profile = False, saveFrames = False, checkCoherence = True,
synchronize = False):
"""
Play back a trace file using a generated trace player.
@param traceName: Trace to play.
@param eventRange: Range of events to play, or all events by default.
@param profile: Should instrumentation data be collected or not.
@param saveFrames: Should frame buffer snapshots be saved or not.
@param checkCoherence: Verify that the trace is properly normalized before playing.
@param sychronize: Attempt to match the original trace timings.
"""
if not traceName in self.analyzer.traces:
self.analyzer.fail("Trace not found: %s" % traceName)
trace = self.analyzer.traces[traceName]
traceFileName = self.analyzer.traceFiles.get(traceName, None)
profile = self.analyzer.parseBoolean(profile)
saveFrames = self.analyzer.parseBoolean(saveFrames)
checkCoherence = self.analyzer.parseBoolean(checkCoherence)
synchronize = self.analyzer.parseBoolean(synchronize)
# Create a temporary trace that only contains the needed events
if eventRange is not None:
firstEvent, lastEvent = self.analyzer.parseEventRange(trace, eventRange)
traceFileName = None
trace = TraceOperations.extract(trace, firstEvent, lastEvent)
# Create a player
player = Player.createPlayer(self.analyzer)
# Play it
self.analyzer.reportInfo("Playing trace.")
logFile = player.play(trace, traceFileName, profile = profile, saveFrames = saveFrames,
checkCoherence = checkCoherence, synchronize = synchronize)
# Load the instrumentation data if it exists
if profile and logFile:
Instrumentation.loadInstrumentationData(self.analyzer, trace, logFile)
self.analyzer.reportInfo("Instrumentation data loaded for trace %s." % traceName)
def extractTrace(self, traceName, eventRange, traceNameOut=None):
"""
Extract a portion of a trace to form a new trace.
@param traceName: Name of the source trace
@param eventRange: Event range to extract
@param traceNameOut: Name under which the resulting trace is saved, or the original trace by default.
"""
if not traceName in self.analyzer.traces:
self.analyzer.fail("Trace not found: %s" % traceName)
if traceNameOut is None:
traceNameOut = traceName
trace = self.analyzer.traces[traceName]
firstEvent, lastEvent = self.analyzer.parseEventRange(
trace, eventRange)
trace = TraceOperations.extract(trace, firstEvent, lastEvent)
self.analyzer.traces[traceNameOut] = trace
self.reportInfo("%d events extracted from trace %s to trace %s." %
(len(trace.events), traceName, traceNameOut))
return trace
