static void
FormatPhaseTimes(StatisticsSerializer &ss, const char *name, int64_t *times)
{
ss.beginObject(name);
for (unsigned i = 0; phases[i].name; i++)
ss.appendIfNonzeroMS(phases[i].name, t(times[phases[i].index]));
ss.endObject();
}
static void
FormatPhaseTimes(StatisticsSerializer& ss, const char* name, int64_t (*times)[PHASE_LIMIT])
{
ss.beginObject(name);
for (AllPhaseIterator iter(times); !iter.done(); iter.advance()) {
Phase phase;
size_t dagSlot;
iter.get(&phase, &dagSlot);
ss.appendIfNonzeroMS(phases[phase].name, t(times[dagSlot][phase]));
}
ss.endObject();
}
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(nullptr);
if (ss.isJSON())
ss.appendNumber("Timestamp", "%llu", "", (unsigned long long)timestamp);
if (slices.length() > 1 || ss.isJSON())
ss.appendDecimal("Max Pause", "ms", t(longest));
else
ss.appendString("Reason", ExplainReason(slices[0].reason));
ss.appendDecimal("Total Time", "ms", t(total));
ss.appendNumber("Zones Collected", "%d", "", zoneStats.collectedZoneCount);
ss.appendNumber("Total Zones", "%d", "", zoneStats.zoneCount);
ss.appendNumber("Total Compartments", "%d", "", zoneStats.compartmentCount);
ss.appendNumber("Minor GCs", "%d", "", counts[STAT_MINOR_GC]);
ss.appendNumber("Store Buffer Overflows", "%d", "", counts[STAT_STOREBUFFER_OVERFLOW]);
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 (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(nullptr);
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));
ss.appendNumber("Start Timestamp", "%llu", "", (unsigned long long)slices[i].start);
ss.appendNumber("End Timestamp", "%llu", "", (unsigned long long)slices[i].end);
}
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();
}
bool
Statistics::formatData(StatisticsSerializer &ss, uint64_t timestamp)
{
int64_t total = 0, longest = 0;
for (SliceData *slice = slices.begin(); slice != slices.end(); slice++) {
total += slice->duration();
if (slice->duration() > longest)
longest = slice->duration();
}
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));
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].end - slices[0].start));
ss.appendString("Reason", ExplainReason(slices[i].reason));
if (slices[i].resetReason)
ss.appendString("Reset", slices[i].resetReason);
ss.extra("): ");
FormatPhaseTimes(ss, "Times", slices[i].phaseTimes);
if (ss.isJSON())
FormatPhaseFaults(ss, "Page Faults", slices[i].phaseFaults);
ss.endLine();
ss.endObject();
}
ss.endArray();
}
ss.extra(" Totals: ");
FormatPhaseTimes(ss, "Totals", phaseTimes);
if (ss.isJSON())
FormatPhaseFaults(ss, "Total Page Faults", phaseFaults);
ss.endObject();
return !ss.isOOM();
}
