/**
* Setup the trace for the tests and return the InputOutputAnalysisModule, not executed.
*
* @param fileName The file name of the trace to open
* @return The input output analysis module
*/
protected @NonNull InputOutputAnalysisModule setUp(String fileName) {
TmfXmlKernelTraceStub trace = new TmfXmlKernelTraceStub();
trace.addEventAspect(KernelTidAspect.INSTANCE);
trace.setKernelEventLayout(EVENT_LAYOUT);
IPath filePath = Activator.getAbsoluteFilePath(IO_FILE_PATH + fileName);
IStatus status = trace.validate(null, filePath.toOSString());
if (!status.isOK()) {
fail(status.getException().getMessage());
}
try {
trace.initTrace(null, filePath.toOSString(), TmfEvent.class);
} catch (TmfTraceException e) {
fail(e.getMessage());
}
deleteSuppFiles(trace);
((TmfTrace) trace).traceOpened(new TmfTraceOpenedSignal(this, trace, null));
fTrace = trace;
/* Start the kernel analysis module */
KernelAnalysisModule kernelMod =
TmfTraceUtils.getAnalysisModuleOfClass(
trace, KernelAnalysisModule.class, KernelAnalysisModule.ID);
assertNotNull(kernelMod);
kernelMod.schedule();
kernelMod.waitForCompletion();
InputOutputAnalysisModule module =
TmfTraceUtils.getAnalysisModuleOfClass(
trace, InputOutputAnalysisModule.class, InputOutputAnalysisModule.ID);
assertNotNull(module);
return module;
}
/*
* Classify sched_switch events for every CPU
*/
@Override
protected void eventHandle(ITmfEvent event) {
ITmfStateSystemBuilder stateSystemBuilder = fStateSystemBuilder;
if (stateSystemBuilder == null) {
stateSystemBuilder = (ITmfStateSystemBuilder) getAssignedStateSystem();
fStateSystemBuilder = stateSystemBuilder;
}
if (stateSystemBuilder == null) {
return;
}
if (fCpuAttributeQuark == STARTING_QUARK) {
fCpuAttributeQuark = stateSystemBuilder.getQuarkAbsoluteAndAdd(Attributes.CPUS);
}
if (event.getName().equals(fLayout.eventSchedSwitch())) {
Object cpuObj =
TmfTraceUtils.resolveEventAspectOfClassForEvent(
event.getTrace(), TmfCpuAspect.class, event);
if (cpuObj == null) {
/* We couldn't find any CPU information, ignore this event */
return;
}
int cpuQuark =
stateSystemBuilder.getQuarkRelativeAndAdd(fCpuAttributeQuark, cpuObj.toString());
try {
StateSystemBuilderUtils.incrementAttributeInt(
stateSystemBuilder, event.getTimestamp().getValue(), cpuQuark, 1);
} catch (StateValueTypeException | AttributeNotFoundException e) {
Activator.getDefault().logError(NonNullUtils.nullToEmptyString(e.getMessage()), e);
}
}
}
private @Nullable TmfGraphBuilderModule getGraph() {
/* The graph module is null, take the first available graph if any */
TmfGraphBuilderModule module = fGraphModule;
if (module == null) {
ITmfTrace trace = getTrace();
if (trace == null) {
return fGraphModule;
}
for (TmfGraphBuilderModule mod :
TmfTraceUtils.getAnalysisModulesOfClass(trace, TmfGraphBuilderModule.class)) {
module = mod;
break;
}
if (module != null) {
fGraphModule = module;
}
}
return module;
}
@Override
protected @Nullable ISegmentStoreProvider getSegmentStoreProvider(@NonNull ITmfTrace trace) {
return TmfTraceUtils.getAnalysisModuleOfClass(
trace, CallGraphAnalysis.class, CallGraphAnalysisUI.ID);
}