207 lines
7.1 KiB
C
207 lines
7.1 KiB
C
/*
|
|
* 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.
|
|
*/
|
|
|
|
/*
|
|
* Android's method call profiling goodies.
|
|
*/
|
|
#ifndef DALVIK_PROFILE_H_
|
|
#define DALVIK_PROFILE_H_
|
|
|
|
#ifndef NOT_VM /* for utilities that sneakily include this file */
|
|
|
|
#include <stdio.h>
|
|
|
|
struct Thread; // extern
|
|
|
|
|
|
/* boot init */
|
|
bool dvmProfilingStartup(void);
|
|
void dvmProfilingShutdown(void);
|
|
|
|
/*
|
|
* Method trace state. This is currently global. In theory we could make
|
|
* most of this per-thread.
|
|
*/
|
|
struct MethodTraceState {
|
|
/* active state */
|
|
pthread_mutex_t startStopLock;
|
|
pthread_cond_t threadExitCond;
|
|
FILE* traceFile;
|
|
bool directToDdms;
|
|
int bufferSize;
|
|
int flags;
|
|
|
|
int traceEnabled;
|
|
u1* buf;
|
|
volatile int curOffset;
|
|
u8 startWhen;
|
|
int overflow;
|
|
|
|
int traceVersion;
|
|
size_t recordSize;
|
|
|
|
bool samplingEnabled;
|
|
pthread_t samplingThreadHandle;
|
|
};
|
|
|
|
/*
|
|
* Memory allocation profiler state. This is used both globally and
|
|
* per-thread.
|
|
*
|
|
* If you add a field here, zero it out in dvmStartAllocCounting().
|
|
*/
|
|
struct AllocProfState {
|
|
bool enabled; // is allocation tracking enabled?
|
|
|
|
int allocCount; // #of objects allocated
|
|
int allocSize; // cumulative size of objects
|
|
|
|
int failedAllocCount; // #of times an allocation failed
|
|
int failedAllocSize; // cumulative size of failed allocations
|
|
|
|
int freeCount; // #of objects freed
|
|
int freeSize; // cumulative size of freed objects
|
|
|
|
int gcCount; // #of times an allocation triggered a GC
|
|
|
|
int classInitCount; // #of initialized classes
|
|
u8 classInitTime; // cumulative time spent in class init (nsec)
|
|
};
|
|
|
|
|
|
/*
|
|
* Start/stop method tracing.
|
|
*/
|
|
void dvmMethodTraceStart(const char* traceFileName, int traceFd, int bufferSize,
|
|
int flags, bool directToDdms, bool samplingEnabled, int intervalUs);
|
|
void dvmMethodTraceStop(void);
|
|
|
|
/*
|
|
* Returns current method tracing mode.
|
|
*/
|
|
enum TracingMode {
|
|
TRACING_INACTIVE,
|
|
METHOD_TRACING_ACTIVE,
|
|
SAMPLE_PROFILING_ACTIVE,
|
|
};
|
|
TracingMode dvmGetMethodTracingMode(void);
|
|
|
|
/*
|
|
* Start/stop emulator tracing.
|
|
*/
|
|
void dvmEmulatorTraceStart(void);
|
|
void dvmEmulatorTraceStop(void);
|
|
|
|
/*
|
|
* Start/stop Dalvik instruction counting.
|
|
*/
|
|
void dvmStartInstructionCounting();
|
|
void dvmStopInstructionCounting();
|
|
|
|
/*
|
|
* Bit flags for dvmMethodTraceStart "flags" argument. These must match
|
|
* the values in android.os.Debug.
|
|
*/
|
|
enum {
|
|
TRACE_ALLOC_COUNTS = 0x01,
|
|
};
|
|
|
|
/*
|
|
* Call these when a method enters or exits.
|
|
*/
|
|
#define TRACE_METHOD_ENTER(_self, _method) \
|
|
do { \
|
|
if (_self->interpBreak.ctl.subMode & kSubModeMethodTrace) { \
|
|
u4 cpuClockDiff = 0; \
|
|
u4 wallClockDiff = 0; \
|
|
dvmMethodTraceReadClocks(_self, &cpuClockDiff, &wallClockDiff); \
|
|
dvmMethodTraceAdd(_self, _method, METHOD_TRACE_ENTER, \
|
|
cpuClockDiff, wallClockDiff); \
|
|
} \
|
|
if (_self->interpBreak.ctl.subMode & kSubModeEmulatorTrace) \
|
|
dvmEmitEmulatorTrace(_method, METHOD_TRACE_ENTER); \
|
|
} while(0);
|
|
#define TRACE_METHOD_EXIT(_self, _method) \
|
|
do { \
|
|
if (_self->interpBreak.ctl.subMode & kSubModeMethodTrace) { \
|
|
u4 cpuClockDiff = 0; \
|
|
u4 wallClockDiff = 0; \
|
|
dvmMethodTraceReadClocks(_self, &cpuClockDiff, &wallClockDiff); \
|
|
dvmMethodTraceAdd(_self, _method, METHOD_TRACE_EXIT, \
|
|
cpuClockDiff, wallClockDiff); \
|
|
} \
|
|
if (_self->interpBreak.ctl.subMode & kSubModeEmulatorTrace) \
|
|
dvmEmitEmulatorTrace(_method, METHOD_TRACE_EXIT); \
|
|
} while(0);
|
|
#define TRACE_METHOD_UNROLL(_self, _method) \
|
|
do { \
|
|
if (_self->interpBreak.ctl.subMode & kSubModeMethodTrace) { \
|
|
u4 cpuClockDiff = 0; \
|
|
u4 wallClockDiff = 0; \
|
|
dvmMethodTraceReadClocks(_self, &cpuClockDiff, &wallClockDiff); \
|
|
dvmMethodTraceAdd(_self, _method, METHOD_TRACE_UNROLL, \
|
|
cpuClockDiff, wallClockDiff); \
|
|
} \
|
|
if (_self->interpBreak.ctl.subMode & kSubModeEmulatorTrace) \
|
|
dvmEmitEmulatorTrace(_method, METHOD_TRACE_UNROLL); \
|
|
} while(0);
|
|
|
|
void dvmMethodTraceReadClocks(Thread* self, u4* cpuClockDiff,
|
|
u4* wallClockDiff);
|
|
void dvmMethodTraceAdd(struct Thread* self, const Method* method, int action,
|
|
u4 cpuClockDiff, u4 wallClockDiff);
|
|
void dvmEmitEmulatorTrace(const Method* method, int action);
|
|
|
|
void dvmMethodTraceGCBegin(void);
|
|
void dvmMethodTraceGCEnd(void);
|
|
void dvmMethodTraceClassPrepBegin(void);
|
|
void dvmMethodTraceClassPrepEnd(void);
|
|
|
|
extern "C" void dvmFastMethodTraceEnter(const Method* method, struct Thread* self);
|
|
extern "C" void dvmFastMethodTraceExit(struct Thread* self);
|
|
extern "C" void dvmFastNativeMethodTraceExit(const Method* method, struct Thread* self);
|
|
|
|
/*
|
|
* Start/stop alloc counting.
|
|
*/
|
|
void dvmStartAllocCounting(void);
|
|
void dvmStopAllocCounting(void);
|
|
|
|
#endif
|
|
|
|
|
|
/*
|
|
* Enumeration for the two "action" bits.
|
|
*/
|
|
enum {
|
|
METHOD_TRACE_ENTER = 0x00, // method entry
|
|
METHOD_TRACE_EXIT = 0x01, // method exit
|
|
METHOD_TRACE_UNROLL = 0x02, // method exited by exception unrolling
|
|
// 0x03 currently unused
|
|
};
|
|
|
|
#define TOKEN_CHAR '*'
|
|
|
|
/*
|
|
* Common definitions, shared with the dump tool.
|
|
*/
|
|
#define METHOD_ACTION_MASK 0x03 /* two bits */
|
|
#define METHOD_ID(_method) ((_method) & (~METHOD_ACTION_MASK))
|
|
#define METHOD_ACTION(_method) (((unsigned int)(_method)) & METHOD_ACTION_MASK)
|
|
#define METHOD_COMBINE(_method, _action) ((_method) | (_action))
|
|
|
|
#endif // DALVIK_PROFILE_H_
|