public int getLine() {
return method.getLineNumber();
}
private static void outputProfileStats() {
ArrayList<IRScope> scopes = new ArrayList<IRScope>(scopeThreadPollCounts.keySet());
Collections.sort(
scopes,
new java.util.Comparator<IRScope>() {
@Override
public int compare(IRScope a, IRScope b) {
// In non-methods and non-closures, we may not have any thread poll instrs.
int aden = a.getThreadPollInstrsCount();
if (aden == 0) aden = 1;
int bden = b.getThreadPollInstrsCount();
if (bden == 0) bden = 1;
// Use estimated instr count to order scopes -- rather than raw thread-poll count
float aCount =
scopeThreadPollCounts.get(a).count
* (1.0f * a.getInstrsForInterpretation().length / aden);
float bCount =
scopeThreadPollCounts.get(b).count
* (1.0f * b.getInstrsForInterpretation().length / bden);
if (aCount == bCount) return 0;
return (aCount < bCount) ? 1 : -1;
}
});
/*
LOG.info("------------------------");
LOG.info("Stats after " + globalThreadPollCount + " thread polls:");
LOG.info("------------------------");
LOG.info("# instructions: " + interpInstrsCount);
LOG.info("# code modifications in this period : " + codeModificationsCount);
LOG.info("------------------------");
*/
int i = 0;
float f1 = 0.0f;
for (IRScope s : scopes) {
long n = scopeThreadPollCounts.get(s).count;
float p1 = ((n * 1000) / globalThreadPollCount) / 10.0f;
String msg =
i
+ ". "
+ s
+ " [file:"
+ s.getFileName()
+ ":"
+ s.getLineNumber()
+ "] = "
+ n
+ "; ("
+ p1
+ "%)";
if (s instanceof IRClosure) {
IRMethod m = s.getNearestMethod();
// if (m != null) LOG.info(msg + " -- nearest enclosing method: " + m);
// else LOG.info(msg + " -- no enclosing method --");
} else {
// LOG.info(msg);
}
i++;
f1 += p1;
// Top 20 or those that account for 95% of thread poll events.
if (i == 20 || f1 >= 95.0) break;
}
// reset code modification counter
codeModificationsCount = 0;
// Every 1M thread polls, discard stats by reallocating the thread-poll count map
if (globalThreadPollCount % 1000000 == 0) {
// System.out.println("---- resetting thread-poll counters ----");
scopeThreadPollCounts = new HashMap<IRScope, Counter>();
globalThreadPollCount = 0;
}
}
