@Override
protected boolean preExec(LaunchOptions options, OprofileDaemonEvent[] daemonEvents) {
// set up and launch the oprofile daemon
try {
// Set current project to allow using the oprofile path that
// was chosen for the project
Oprofile.setCurrentProject(getProject());
if (!oprofileStatus()) return false;
// kill the daemon (it shouldn't be running already, but to be safe)
oprofileShutdown();
// reset data from the (possibly) existing default session,
// otherwise multiple runs will combine samples and results
// won't make much sense
oprofileReset();
// setup the events and other parameters
oprofileSetupDaemon(options.getOprofileDaemonOptions(), daemonEvents);
// start the daemon & collection of samples
// note: since the daemon is only profiling for the specific image we told
// it to, no matter to start the daemon before the binary itself is run
oprofileStartCollection();
} catch (OpcontrolException oe) {
OprofileCorePlugin.showErrorDialog("opcontrolProvider", oe); // $NON-NLS-1$
return false;
}
return true;
}
/**
* Constructs all of the counters in the given launch configuration.
*
* @param config the launch configuration
* @return an array of all counters
*/
public static OprofileCounter[] getCounters(ILaunchConfiguration config) {
OprofileCounter[] ctrs = new OprofileCounter[Oprofile.getNumberOfCounters()];
for (int i = 0; i < ctrs.length; i++) {
ctrs[i] = new OprofileCounter(i);
if (config != null) ctrs[i].loadConfiguration(config);
}
return ctrs;
}
/**
* Constructor for OprofileCounter.
*
* @param nr the counter number
*/
public OprofileCounter(int nr) {
_number = nr;
_enabled = false;
_eventList = Oprofile.getEvents(_number);
_daemonEvent = new OprofileDaemonEvent();
}