/*
* 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_RUNTIME_RUNTIME_STATS_H_
#define ART_RUNTIME_RUNTIME_STATS_H_
#include <stdint.h>
#include "base/macros.h"
namespace art HIDDEN {
// 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.
uint64_t allocated_objects;
// Cumulative size of all objects allocated.
uint64_t allocated_bytes;
// Number of objects freed.
uint64_t freed_objects;
// Cumulative size of all freed objects.
uint64_t freed_bytes;
// Number of times an allocation triggered a GC.
uint64_t gc_for_alloc_count;
// Number of initialized classes.
uint64_t class_init_count;
// Cumulative time spent in class initialization.
uint64_t class_init_time_ns;
DISALLOW_COPY_AND_ASSIGN(RuntimeStats);
};
} // namespace art
#endif // ART_RUNTIME_RUNTIME_STATS_H_
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