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#ifndef SRC_NODE_PERF_H_
#define SRC_NODE_PERF_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "node.h"
#include "node_perf_common.h"
#include "env.h"
#include "base_object-inl.h"
#include "histogram-inl.h"
#include "v8.h"
#include "uv.h"
#include <string>
namespace node {
namespace performance {
using v8::FunctionCallbackInfo;
using v8::GCType;
using v8::Local;
using v8::Object;
using v8::Value;
extern const uint64_t timeOrigin;
double GetCurrentTimeInMicroseconds();
static inline const char* GetPerformanceMilestoneName(
enum PerformanceMilestone milestone) {
switch (milestone) {
#define V(name, label) case NODE_PERFORMANCE_MILESTONE_##name: return label;
NODE_PERFORMANCE_MILESTONES(V)
#undef V
default:
UNREACHABLE();
}
}
static inline PerformanceMilestone ToPerformanceMilestoneEnum(const char* str) {
#define V(name, label) \
if (strcmp(str, label) == 0) return NODE_PERFORMANCE_MILESTONE_##name;
NODE_PERFORMANCE_MILESTONES(V)
#undef V
return NODE_PERFORMANCE_MILESTONE_INVALID;
}
static inline PerformanceEntryType ToPerformanceEntryTypeEnum(
const char* type) {
#define V(name, label) \
if (strcmp(type, label) == 0) return NODE_PERFORMANCE_ENTRY_TYPE_##name;
NODE_PERFORMANCE_ENTRY_TYPES(V)
#undef V
return NODE_PERFORMANCE_ENTRY_TYPE_INVALID;
}
class PerformanceEntry {
public:
static void Notify(Environment* env,
PerformanceEntryType type,
Local<Value> object);
static void New(const FunctionCallbackInfo<Value>& args);
PerformanceEntry(Environment* env,
const char* name,
const char* type,
uint64_t startTime,
uint64_t endTime) : env_(env),
name_(name),
type_(type),
startTime_(startTime),
endTime_(endTime) { }
virtual ~PerformanceEntry() { }
virtual v8::MaybeLocal<Object> ToObject() const;
Environment* env() const { return env_; }
const std::string& name() const { return name_; }
const std::string& type() const { return type_; }
PerformanceEntryType kind() {
return ToPerformanceEntryTypeEnum(type().c_str());
}
double startTime() const { return startTimeNano() / 1e6; }
double duration() const { return durationNano() / 1e6; }
uint64_t startTimeNano() const { return startTime_ - timeOrigin; }
uint64_t durationNano() const { return endTime_ - startTime_; }
private:
Environment* env_;
const std::string name_;
const std::string type_;
const uint64_t startTime_;
const uint64_t endTime_;
};
enum PerformanceGCKind {
NODE_PERFORMANCE_GC_MAJOR = GCType::kGCTypeMarkSweepCompact,
NODE_PERFORMANCE_GC_MINOR = GCType::kGCTypeScavenge,
NODE_PERFORMANCE_GC_INCREMENTAL = GCType::kGCTypeIncrementalMarking,
NODE_PERFORMANCE_GC_WEAKCB = GCType::kGCTypeProcessWeakCallbacks
};
class GCPerformanceEntry : public PerformanceEntry {
public:
GCPerformanceEntry(Environment* env,
PerformanceGCKind gckind,
uint64_t startTime,
uint64_t endTime) :
PerformanceEntry(env, "gc", "gc", startTime, endTime),
gckind_(gckind) { }
PerformanceGCKind gckind() const { return gckind_; }
private:
PerformanceGCKind gckind_;
};
class ELDHistogram : public BaseObject, public Histogram {
public:
ELDHistogram(Environment* env,
Local<Object> wrap,
int32_t resolution);
~ELDHistogram() override;
bool RecordDelta();
bool Enable();
bool Disable();
void ResetState() {
Reset();
exceeds_ = 0;
prev_ = 0;
}
int64_t Exceeds() { return exceeds_; }
void MemoryInfo(MemoryTracker* tracker) const override {
tracker->TrackFieldWithSize("histogram", GetMemorySize());
}
SET_MEMORY_INFO_NAME(ELDHistogram)
SET_SELF_SIZE(ELDHistogram)
private:
void CloseTimer();
bool enabled_ = false;
int32_t resolution_ = 0;
int64_t exceeds_ = 0;
uint64_t prev_ = 0;
uv_timer_t* timer_;
};
} // namespace performance
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_NODE_PERF_H_
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