| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef RUNTIME_VM_METRICS_H_ |
| #define RUNTIME_VM_METRICS_H_ |
| |
| #include "vm/allocation.h" |
| |
| namespace dart { |
| |
| class Isolate; |
| class IsolateGroup; |
| class JSONStream; |
| |
| // Metrics for each isolate group. |
| // |
| // Golem uses `--print-metrics` and relies on |
| // |
| // heap.old.capacity.max |
| // heap.new.capacity.max |
| // |
| // g3 uses metrics via Dart API: |
| // |
| // Dart_Heap{Old,New}{Used,Capacity,External} |
| // |
| // All metrics are exposed via vm-service protocol. |
| // |
| #define DART_API_ISOLATE_GROUP_METRIC_LIST(V) \ |
| V(MetricHeapOldUsed, HeapOldUsed, "heap.old.used", kByte) \ |
| V(MetricHeapOldCapacity, HeapOldCapacity, "heap.old.capacity", kByte) \ |
| V(MetricHeapOldExternal, HeapOldExternal, "heap.old.external", kByte) \ |
| V(MetricHeapNewUsed, HeapNewUsed, "heap.new.used", kByte) \ |
| V(MetricHeapNewCapacity, HeapNewCapacity, "heap.new.capacity", kByte) \ |
| V(MetricHeapNewExternal, HeapNewExternal, "heap.new.external", kByte) |
| |
| #define ISOLATE_GROUP_METRIC_LIST(V) \ |
| DART_API_ISOLATE_GROUP_METRIC_LIST(V) \ |
| V(MaxMetric, HeapOldUsedMax, "heap.old.used.max", kByte) \ |
| V(MaxMetric, HeapOldCapacityMax, "heap.old.capacity.max", kByte) \ |
| V(MaxMetric, HeapNewUsedMax, "heap.new.used.max", kByte) \ |
| V(MaxMetric, HeapNewCapacityMax, "heap.new.capacity.max", kByte) \ |
| V(MetricHeapUsed, HeapGlobalUsed, "heap.global.used", kByte) \ |
| V(MaxMetric, HeapGlobalUsedMax, "heap.global.used.max", kByte) |
| |
| // Metrics for each isolate. |
| // |
| // All metrics are exposed via vm-service protocol. |
| #define ISOLATE_METRIC_LIST(V) \ |
| V(Metric, RunnableLatency, "isolate.runnable.latency", kMicrosecond) \ |
| V(Metric, RunnableHeapSize, "isolate.runnable.heap", kByte) |
| |
| class Metric { |
| public: |
| enum Unit { |
| kCounter, |
| kByte, |
| kMicrosecond, |
| }; |
| |
| Metric(); |
| |
| #if !defined(PRODUCT) |
| static void Init(); |
| static void Cleanup(); |
| #endif // !defined(PRODUCT) |
| |
| // Initialize a metric for an isolate. |
| void InitInstance(Isolate* isolate, |
| const char* name, |
| const char* description, |
| Unit unit); |
| |
| // Initialize a metric for an isolate group. |
| void InitInstance(IsolateGroup* isolate_group, |
| const char* name, |
| const char* description, |
| Unit unit); |
| |
| // Initialize a metric for the VM. |
| void InitInstance(const char* name, const char* description, Unit unit); |
| |
| virtual ~Metric(); |
| |
| #ifndef PRODUCT |
| void PrintJSON(JSONStream* stream); |
| #endif // !PRODUCT |
| |
| // Returns a zone allocated string. |
| static char* ValueToString(int64_t value, Unit unit); |
| |
| // Returns a zone allocated string. |
| char* ToString(); |
| |
| int64_t value() const { return value_; } |
| void set_value(int64_t value) { value_ = value; } |
| |
| void increment() { value_++; } |
| |
| const char* name() const { return name_; } |
| const char* description() const { return description_; } |
| Unit unit() const { return unit_; } |
| |
| // Only non-null for isolate specific metrics. |
| Isolate* isolate() const { return isolate_; } |
| |
| // Only non-null for isolate group specific metrics. |
| IsolateGroup* isolate_group() const { return isolate_group_; } |
| |
| static Metric* vm_head() { return vm_list_head_; } |
| |
| // Override to get a callback when value is serialized to JSON. |
| // Use this for metrics that produce their value on demand. |
| virtual int64_t Value() const { return value(); } |
| |
| private: |
| Isolate* isolate_ = nullptr; |
| IsolateGroup* isolate_group_ = nullptr; |
| const char* name_ = nullptr; |
| const char* description_ = nullptr; |
| Unit unit_; |
| int64_t value_; |
| |
| static Metric* vm_list_head_; |
| DISALLOW_COPY_AND_ASSIGN(Metric); |
| }; |
| |
| // A Metric class that reports the maximum value observed. |
| // Initial maximum is kMinInt64. |
| class MaxMetric : public Metric { |
| public: |
| MaxMetric(); |
| |
| void SetValue(int64_t new_value); |
| }; |
| |
| // A Metric class that reports the minimum value observed. |
| // Initial minimum is kMaxInt64. |
| class MinMetric : public Metric { |
| public: |
| MinMetric(); |
| |
| void SetValue(int64_t new_value); |
| }; |
| |
| class MetricHeapOldUsed : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| |
| class MetricHeapOldCapacity : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| |
| class MetricHeapOldExternal : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| |
| class MetricHeapNewUsed : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| |
| class MetricHeapNewCapacity : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| |
| class MetricHeapNewExternal : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| |
| #if !defined(PRODUCT) |
| class MetricIsolateCount : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| |
| class MetricCurrentRSS : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| |
| class MetricPeakRSS : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| #endif // !defined(PRODUCT) |
| |
| class MetricHeapUsed : public Metric { |
| public: |
| virtual int64_t Value() const; |
| }; |
| |
| } // namespace dart |
| |
| #endif // RUNTIME_VM_METRICS_H_ |