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https://github.com/dart-lang/sdk
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![Martin Kustermann](/assets/img/avatar_default.png)
See b/152430908 Change-Id: I89524489ec9868bf5fa40559292e4f82b352cfe3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/147362 Reviewed-by: Alexander Aprelev <aam@google.com> Commit-Queue: Martin Kustermann <kustermann@google.com>
196 lines
5.4 KiB
C++
196 lines
5.4 KiB
C++
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_METRICS_H_
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#define RUNTIME_VM_METRICS_H_
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#include "vm/allocation.h"
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namespace dart {
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class Isolate;
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class IsolateGroup;
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class JSONStream;
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// Metrics for each isolate group.
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#define ISOLATE_GROUP_METRIC_LIST(V) \
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V(MetricHeapOldUsed, HeapOldUsed, "heap.old.used", kByte) \
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V(MaxMetric, HeapOldUsedMax, "heap.old.used.max", kByte) \
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V(MetricHeapOldCapacity, HeapOldCapacity, "heap.old.capacity", kByte) \
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V(MaxMetric, HeapOldCapacityMax, "heap.old.capacity.max", kByte) \
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V(MetricHeapOldExternal, HeapOldExternal, "heap.old.external", kByte) \
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V(MetricHeapNewUsed, HeapNewUsed, "heap.new.used", kByte) \
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V(MaxMetric, HeapNewUsedMax, "heap.new.used.max", kByte) \
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V(MetricHeapNewCapacity, HeapNewCapacity, "heap.new.capacity", kByte) \
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V(MaxMetric, HeapNewCapacityMax, "heap.new.capacity.max", kByte) \
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V(MetricHeapNewExternal, HeapNewExternal, "heap.new.external", kByte) \
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V(MetricHeapUsed, HeapGlobalUsed, "heap.global.used", kByte) \
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V(MaxMetric, HeapGlobalUsedMax, "heap.global.used.max", kByte)
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// Metrics for each isolate.
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#define ISOLATE_METRIC_LIST(V) \
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V(Metric, RunnableLatency, "isolate.runnable.latency", kMicrosecond) \
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V(Metric, RunnableHeapSize, "isolate.runnable.heap", kByte)
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#define VM_METRIC_LIST(V) \
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V(MetricIsolateCount, IsolateCount, "vm.isolate.count", kCounter) \
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V(MetricCurrentRSS, CurrentRSS, "vm.memory.current", kByte) \
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V(MetricPeakRSS, PeakRSS, "vm.memory.max", kByte)
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class Metric {
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public:
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enum Unit {
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kCounter,
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kByte,
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kMicrosecond,
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};
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Metric();
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#if !defined(PRODUCT)
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static void Init();
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static void Cleanup();
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#endif // !defined(PRODUCT)
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// Initialize a metric for an isolate.
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void InitInstance(Isolate* isolate,
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const char* name,
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const char* description,
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Unit unit);
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// Initialize a metric for an isolate group.
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void InitInstance(IsolateGroup* isolate_group,
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const char* name,
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const char* description,
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Unit unit);
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// Initialize a metric for the VM.
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void InitInstance(const char* name, const char* description, Unit unit);
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virtual ~Metric();
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#ifndef PRODUCT
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void PrintJSON(JSONStream* stream);
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#endif // !PRODUCT
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// Returns a zone allocated string.
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static char* ValueToString(int64_t value, Unit unit);
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// Returns a zone allocated string.
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char* ToString();
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int64_t value() const { return value_; }
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void set_value(int64_t value) { value_ = value; }
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void increment() { value_++; }
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const char* name() const { return name_; }
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const char* description() const { return description_; }
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Unit unit() const { return unit_; }
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// Only non-null for isolate specific metrics.
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Isolate* isolate() const { return isolate_; }
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// Only non-null for isolate group specific metrics.
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IsolateGroup* isolate_group() const { return isolate_group_; }
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static Metric* vm_head() { return vm_list_head_; }
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// Override to get a callback when value is serialized to JSON.
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// Use this for metrics that produce their value on demand.
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virtual int64_t Value() const { return value(); }
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private:
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Isolate* isolate_ = nullptr;
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IsolateGroup* isolate_group_ = nullptr;
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const char* name_ = nullptr;
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const char* description_ = nullptr;
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Unit unit_;
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int64_t value_;
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static Metric* vm_list_head_;
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DISALLOW_COPY_AND_ASSIGN(Metric);
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};
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// A Metric class that reports the maximum value observed.
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// Initial maximum is kMinInt64.
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class MaxMetric : public Metric {
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public:
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MaxMetric();
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void SetValue(int64_t new_value);
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};
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// A Metric class that reports the minimum value observed.
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// Initial minimum is kMaxInt64.
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class MinMetric : public Metric {
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public:
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MinMetric();
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void SetValue(int64_t new_value);
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};
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class MetricHeapOldUsed : public Metric {
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public:
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virtual int64_t Value() const;
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};
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class MetricHeapOldCapacity : public Metric {
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public:
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virtual int64_t Value() const;
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};
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class MetricHeapOldExternal : public Metric {
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public:
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virtual int64_t Value() const;
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};
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class MetricHeapNewUsed : public Metric {
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public:
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virtual int64_t Value() const;
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};
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class MetricHeapNewCapacity : public Metric {
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public:
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virtual int64_t Value() const;
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};
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class MetricHeapNewExternal : public Metric {
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public:
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virtual int64_t Value() const;
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};
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#if !defined(PRODUCT)
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class MetricIsolateCount : public Metric {
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public:
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virtual int64_t Value() const;
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};
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class MetricCurrentRSS : public Metric {
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public:
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virtual int64_t Value() const;
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};
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class MetricPeakRSS : public Metric {
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public:
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virtual int64_t Value() const;
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};
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#endif // !defined(PRODUCT)
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class MetricHeapUsed : public Metric {
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public:
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virtual int64_t Value() const;
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};
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#if !defined(PRODUCT)
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#define VM_METRIC_VARIABLE(type, variable, name, unit) \
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extern type vm_metric_##variable;
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VM_METRIC_LIST(VM_METRIC_VARIABLE);
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#undef VM_METRIC_VARIABLE
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#endif // !defined(PRODUCT)
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} // namespace dart
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#endif // RUNTIME_VM_METRICS_H_
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