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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_SRC_RUNTIME_STATS_H_
#define ART_SRC_RUNTIME_STATS_H_
#include <stdint.h>
namespace art {
// These must match the values in dalvik.system.VMDebug.
enum StatKinds {
KIND_ALLOCATED_OBJECTS = 1<<0,
KIND_ALLOCATED_BYTES = 1<<1,
KIND_FREED_OBJECTS = 1<<2,
KIND_FREED_BYTES = 1<<3,
KIND_GC_INVOCATIONS = 1<<4,
KIND_CLASS_INIT_COUNT = 1<<5,
KIND_CLASS_INIT_TIME = 1<<6,
// These values exist for backward compatibility.
KIND_EXT_ALLOCATED_OBJECTS = 1<<12,
KIND_EXT_ALLOCATED_BYTES = 1<<13,
KIND_EXT_FREED_OBJECTS = 1<<14,
KIND_EXT_FREED_BYTES = 1<<15,
KIND_GLOBAL_ALLOCATED_OBJECTS = KIND_ALLOCATED_OBJECTS,
KIND_GLOBAL_ALLOCATED_BYTES = KIND_ALLOCATED_BYTES,
KIND_GLOBAL_FREED_OBJECTS = KIND_FREED_OBJECTS,
KIND_GLOBAL_FREED_BYTES = KIND_FREED_BYTES,
KIND_GLOBAL_GC_INVOCATIONS = KIND_GC_INVOCATIONS,
KIND_GLOBAL_CLASS_INIT_COUNT = KIND_CLASS_INIT_COUNT,
KIND_GLOBAL_CLASS_INIT_TIME = KIND_CLASS_INIT_TIME,
KIND_THREAD_ALLOCATED_OBJECTS = KIND_ALLOCATED_OBJECTS << 16,
KIND_THREAD_ALLOCATED_BYTES = KIND_ALLOCATED_BYTES << 16,
KIND_THREAD_FREED_OBJECTS = KIND_FREED_OBJECTS << 16,
KIND_THREAD_FREED_BYTES = KIND_FREED_BYTES << 16,
KIND_THREAD_GC_INVOCATIONS = KIND_GC_INVOCATIONS << 16,
// TODO: failedAllocCount, failedAllocSize
};
/*
* Memory allocation profiler state. This is used both globally and
* per-thread.
*/
struct PACKED(4) RuntimeStats {
RuntimeStats() {
Clear(~0);
}
void Clear(int flags) {
if ((flags & KIND_ALLOCATED_OBJECTS) != 0) {
allocated_objects = 0;
}
if ((flags & KIND_ALLOCATED_BYTES) != 0) {
allocated_bytes = 0;
}
if ((flags & KIND_FREED_OBJECTS) != 0) {
freed_objects = 0;
}
if ((flags & KIND_FREED_BYTES) != 0) {
freed_bytes = 0;
}
if ((flags & KIND_GC_INVOCATIONS) != 0) {
gc_for_alloc_count = 0;
}
if ((flags & KIND_CLASS_INIT_COUNT) != 0) {
class_init_count = 0;
}
if ((flags & KIND_CLASS_INIT_TIME) != 0) {
class_init_time_ns = 0;
}
}
// Number of objects allocated.
int allocated_objects;
// Cumulative size of all objects allocated.
int allocated_bytes;
// Number of objects freed.
int freed_objects;
// Cumulative size of all freed objects.
int freed_bytes;
// Number of times an allocation triggered a GC.
int gc_for_alloc_count;
// Number of initialized classes.
int class_init_count;
// Cumulative time spent in class initialization.
uint64_t class_init_time_ns;
DISALLOW_COPY_AND_ASSIGN(RuntimeStats);
};
} // namespace art
#endif // ART_SRC_HEAP_H_