message.append(format(", heap usage: %s%% of %s", heapStats.getUsedPercent(), NumberUtil.formatBytes(heapStats.getMaxSizeInBytes())));
        }

        GarbageCollectionStats nonHeapStats = gcMonitor.getNonHeapStats();
        if (nonHeapStats.isValid()) {
            message.append(format(", non-heap usage: %s%% of %s", nonHeapStats.getUsedPercent(), NumberUtil.formatBytes(nonHeapStats.getMaxSizeInBytes())));
        }

        GarbageCollectionStats heapStats = stats.getHeapStats();
        if (heapStats.isValid() && heapStats.getEventCount() >= 5
            && strategy.isAboveHeapUsageThreshold(heapStats.getUsedPercent())
        ) {
            if (strategy.isAboveGcThrashingThreshold(heapStats.getGcRate())) {
                reasons.add("since the JVM garbage collector is thrashing");

        GarbageCollectionEvent first = events.iterator().next();
        return first.getUsage().getMax();
    }

    public double getGcRate() {
        return gcRate;
    }

    public int getUsedPercent() {
        return usedPercent;
    }

    public long getMaxSizeInBytes() {
        return maxSizeInBytes;
    }

    public long getEventCount() {
        return eventCount;
    }

        10            | 90             | 15   | 0     | false
    }

    GarbageCollectionStats stats(int percent, double rate, boolean valid) {
        return Stub(GarbageCollectionStats) {
            getUsedPercent() >> percent
            getGcRate() >> rate
            isValid() >> valid
            getEventCount() >> (valid ? 5 : 0)
        }
    }

                    println "GC rate: " + stats.get${type.capitalize()}Stats().getGcRate()
                    println " % used: " + stats.get${type.capitalize()}Stats().getUsedPercent() + "%"
        """
    }

    void waitForImmediateDaemonExpiration() {
        buildFile << """
            import org.gradle.internal.event.ListenerManager