//
// Runnable interface
//
public void run() {
// output all active probes
for (PerformanceProbe probe : list(ALL_RECORDERS)) {
probe.output("F");
}
// close output if not standard output
if (!outputStream.equals(System.out)) {
outputStream.close();
}
}
/**
* Changes the output of all probes to the specified file. This method may be called multiple
* times during the execution of the JVM.
*
* @param pathname the pathname of the output file.
*/
public static void setOutput(String pathname) {
// open specified file
PrintStream previous = outputStream;
try {
outputStream = new PrintStream(new FileOutputStream(pathname));
} catch (FileNotFoundException e) {
// if file cannot be opened, output remains unchanged
return;
}
// close previous output if not standard output
if (previous != null && !previous.equals(System.out)) {
previous.close();
}
// print date and time
Format format = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
outputStream.println("Starting on " + format.format(new Date()));
}