Statistics::~Statistics()
{
if (fp) {
if (fullFormat) {
StatisticsSerializer ss(StatisticsSerializer::AsText);
FormatPhaseTimes(ss, "", phaseTotals);
char *msg = ss.finishCString();
if (msg) {
fprintf(fp, "TOTALS\n%s\n\n-------\n", msg);
js_free(msg);
}
}
if (fp != stdout && fp != stderr)
fclose(fp);
}
}
bool
Statistics::formatData(StatisticsSerializer &ss, uint64_t timestamp)
{
int64_t total, longest;
gcDuration(&total, &longest);
int64_t sccTotal, sccLongest;
sccDurations(&sccTotal, &sccLongest);
double mmu20 = computeMMU(20 * PRMJ_USEC_PER_MSEC);
double mmu50 = computeMMU(50 * PRMJ_USEC_PER_MSEC);
ss.beginObject(NULL);
if (ss.isJSON())
ss.appendNumber("Timestamp", "%llu", "", (unsigned long long)timestamp);
ss.appendDecimal("Total Time", "ms", t(total));
ss.appendNumber("Compartments Collected", "%d", "", collectedCount);
ss.appendNumber("Total Compartments", "%d", "", compartmentCount);
ss.appendNumber("MMU (20ms)", "%d", "%", int(mmu20 * 100));
ss.appendNumber("MMU (50ms)", "%d", "%", int(mmu50 * 100));
ss.appendDecimal("SCC Sweep Total", "ms", t(sccTotal));
ss.appendDecimal("SCC Sweep Max Pause", "ms", t(sccLongest));
if (slices.length() > 1 || ss.isJSON())
ss.appendDecimal("Max Pause", "ms", t(longest));
else
ss.appendString("Reason", ExplainReason(slices[0].reason));
if (nonincrementalReason || ss.isJSON()) {
ss.appendString("Nonincremental Reason",
nonincrementalReason ? nonincrementalReason : "none");
}
ss.appendNumber("Allocated", "%u", "MB", unsigned(preBytes / 1024 / 1024));
ss.appendNumber("+Chunks", "%d", "", counts[STAT_NEW_CHUNK]);
ss.appendNumber("-Chunks", "%d", "", counts[STAT_DESTROY_CHUNK]);
ss.endLine();
if (slices.length() > 1 || ss.isJSON()) {
ss.beginArray("Slices");
for (size_t i = 0; i < slices.length(); i++) {
int64_t width = slices[i].duration();
if (i != 0 && i != slices.length() - 1 && width < SLICE_MIN_REPORT_TIME &&
!slices[i].resetReason && !ss.isJSON())
{
continue;
}
ss.beginObject(NULL);
ss.extra(" ");
ss.appendNumber("Slice", "%d", "", i);
ss.appendDecimal("Pause", "", t(width));
ss.extra(" (");
ss.appendDecimal("When", "ms", t(slices[i].start - slices[0].start));
ss.appendString("Reason", ExplainReason(slices[i].reason));
if (ss.isJSON()) {
ss.appendDecimal("Page Faults", "",
double(slices[i].endFaults - slices[i].startFaults));
}
if (slices[i].resetReason)
ss.appendString("Reset", slices[i].resetReason);
ss.extra("): ");
FormatPhaseTimes(ss, "Times", slices[i].phaseTimes);
ss.endLine();
ss.endObject();
}
ss.endArray();
}
ss.extra(" Totals: ");
FormatPhaseTimes(ss, "Totals", phaseTimes);
ss.endObject();
return !ss.isOOM();
}
