/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The Original Code is SpiderMonkey JavaScript engine.
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#ifndef jsgc_statistics_h___
#define jsgc_statistics_h___
#include <string.h>
#include "jsfriendapi.h"
#include "jspubtd.h"
#include "jsutil.h"
struct JSCompartment;
namespace js {
namespace gcstats {
enum Phase {
PHASE_GC,
PHASE_MARK,
PHASE_SWEEP,
PHASE_SWEEP_OBJECT,
PHASE_SWEEP_STRING,
PHASE_SWEEP_SCRIPT,
PHASE_SWEEP_SHAPE,
PHASE_DISCARD_CODE,
PHASE_DISCARD_ANALYSIS,
PHASE_XPCONNECT,
PHASE_DESTROY,
PHASE_LIMIT
};
enum Stat {
STAT_NEW_CHUNK,
STAT_DESTROY_CHUNK,
STAT_LIMIT
};
struct Statistics {
Statistics(JSRuntime *rt);
~Statistics();
void beginGC(JSCompartment *comp, gcreason::Reason reason);
void endGC();
void beginPhase(Phase phase);
void endPhase(Phase phase);
void count(Stat s) {
JS_ASSERT(s < STAT_LIMIT);
counts[s]++;
}
private:
JSRuntime *runtime;
uint64_t startupTime;
FILE *fp;
bool fullFormat;
gcreason::Reason triggerReason;
JSCompartment *compartment;
uint64_t phaseStarts[PHASE_LIMIT];
uint64_t phaseEnds[PHASE_LIMIT];
uint64_t phaseTimes[PHASE_LIMIT];
uint64_t totals[PHASE_LIMIT];
unsigned int counts[STAT_LIMIT];
double t(Phase phase);
double total(Phase phase);
double beginDelay(Phase phase1, Phase phase2);
double endDelay(Phase phase1, Phase phase2);
void printStats();
void statsToString(char *buffer, size_t size);
struct ColumnInfo {
const char *title;
char str[32];
char totalStr[32];
int width;
ColumnInfo() {}
ColumnInfo(const char *title, double t, double total);
ColumnInfo(const char *title, double t);
ColumnInfo(const char *title, unsigned int data);
ColumnInfo(const char *title, const char *data);
};
void makeTable(ColumnInfo *cols);
};
struct AutoGC {
AutoGC(Statistics &stats, JSCompartment *comp, gcreason::Reason reason
JS_GUARD_OBJECT_NOTIFIER_PARAM)
: stats(stats) { JS_GUARD_OBJECT_NOTIFIER_INIT; stats.beginGC(comp, reason); }
~AutoGC() { stats.endGC(); }
Statistics &stats;
JS_DECL_USE_GUARD_OBJECT_NOTIFIER
};
struct AutoPhase {
AutoPhase(Statistics &stats, Phase phase JS_GUARD_OBJECT_NOTIFIER_PARAM)
: stats(stats), phase(phase) { JS_GUARD_OBJECT_NOTIFIER_INIT; stats.beginPhase(phase); }
~AutoPhase() { stats.endPhase(phase); }
Statistics &stats;
Phase phase;
JS_DECL_USE_GUARD_OBJECT_NOTIFIER
};
} /* namespace gcstats */
} /* namespace js */
#endif /* jsgc_statistics_h___ */