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");