Merge change 2836

/*

 * Copyright (C) 2007 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 ANDROID_TIMER_PROBE_H

#define ANDROID_TIMER_PROBE_H

#if 0 && defined(HAVE_POSIX_CLOCKS)

#define ENABLE_TIMER_PROBE 1

#else

#define ENABLE_TIMER_PROBE 0

#endif

#if ENABLE_TIMER_PROBE

#include <time.h>

#include <sys/time.h>

#include <utils/Vector.h>

#define TIMER_PROBE(tag) \

    static int _timer_slot_; \

    android::TimerProbe probe(tag, &_timer_slot_)

#define TIMER_PROBE_END() probe.end()

#else

#define TIMER_PROBE(tag)

#define TIMER_PROBE_END()

#endif

#if ENABLE_TIMER_PROBE

namespace android {

class TimerProbe {

public:

    TimerProbe(const char tag[], int* slot);

    void end();

    ~TimerProbe();

private:

    struct Bucket {

        int mStart, mReal, mProcess, mThread, mCount;

        const char* mTag;

        int* mSlotPtr;

        int mIndent;

    };

    static Vector<Bucket> gBuckets;

    static TimerProbe* gExecuteChain;

    static int gIndent;

    static timespec gRealBase;

    TimerProbe* mNext;

    static uint32_t ElapsedTime(const timespec& start, const timespec& end);

    void print(const timespec& r, const timespec& p, const timespec& t) const;

    timespec mRealStart, mPStart, mTStart;

    const char* mTag;

    int mIndent;

    int mBucket;

};

}; // namespace android

#endif

#endif

	SystemClock.cpp \

	TextOutput.cpp \

	Threads.cpp \

	TimerProbe.cpp \

	Timers.cpp \

	VectorImpl.cpp \

    ZipFileCRO.cpp \

/*

 * 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.

 */

#include <utils/TimerProbe.h>

#if ENABLE_TIMER_PROBE

#ifdef LOG_TAG

#undef LOG_TAG

#endif

#define LOG_TAG "time"

namespace android {

Vector<TimerProbe::Bucket> TimerProbe::gBuckets;

TimerProbe* TimerProbe::gExecuteChain;

int TimerProbe::gIndent;

timespec TimerProbe::gRealBase;

TimerProbe::TimerProbe(const char tag[], int* slot) : mTag(tag)

{

    mNext = gExecuteChain;

    gExecuteChain = this;

    mIndent = gIndent;

    gIndent += 1;

    if (mIndent > 0) {

        if (*slot == 0) {

            int count = gBuckets.add();

            *slot = count;

            Bucket& bucket = gBuckets.editItemAt(count);

            memset(&bucket, 0, sizeof(Bucket));

            bucket.mTag = tag;

            bucket.mSlotPtr = slot;

            bucket.mIndent = mIndent;

        }

        mBucket = *slot;

    }

    clock_gettime(CLOCK_REALTIME, &mRealStart);

    if (gRealBase.tv_sec == 0)

        gRealBase = mRealStart;

    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &mPStart);

    clock_gettime(CLOCK_THREAD_CPUTIME_ID, &mTStart);

}

void TimerProbe::end()

{

    timespec realEnd, pEnd, tEnd;

    clock_gettime(CLOCK_REALTIME, &realEnd);

    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &pEnd);

    clock_gettime(CLOCK_THREAD_CPUTIME_ID, &tEnd);

    print(realEnd, pEnd, tEnd);

    mTag = NULL;

}

TimerProbe::~TimerProbe()

{

    if (mTag != NULL)

        end();

    gExecuteChain = mNext;

    gIndent--;

}

uint32_t TimerProbe::ElapsedTime(const timespec& start, const timespec& end)

{

    int sec = end.tv_sec - start.tv_sec;

    int nsec = end.tv_nsec - start.tv_nsec;

    if (nsec < 0) {

        sec--;

        nsec += 1000000000;

    }

    return sec * 1000000 + nsec / 1000;

}

void TimerProbe::print(const timespec& r, const timespec& p,

        const timespec& t) const

{

    uint32_t es = ElapsedTime(gRealBase, mRealStart);

    uint32_t er = ElapsedTime(mRealStart, r);

    uint32_t ep = ElapsedTime(mPStart, p);

    uint32_t et = ElapsedTime(mTStart, t);

    if (mIndent > 0) {

        Bucket& bucket = gBuckets.editItemAt(mBucket);

        if (bucket.mStart == 0)

            bucket.mStart = es;

        bucket.mReal += er;

        bucket.mProcess += ep;

        bucket.mThread += et;

        bucket.mCount++;

        return;

    }

    int index = 0;

    int buckets = gBuckets.size();

    int count = 1;

    const char* tag = mTag;

    int indent = mIndent;

    do {

        LOGD("%-30.30s: (%3d) %-5.*s time=%-10.3f real=%7dus process=%7dus (%3d%%) thread=%7dus (%3d%%)\n", 

            tag, count, indent > 5 ? 5 : indent, "+++++", es / 1000000.0,

            er, ep, ep * 100 / er, et, et * 100 / er);

        if (index >= buckets)

            break;

        Bucket& bucket = gBuckets.editItemAt(index);

        count = bucket.mCount;

        es = bucket.mStart;

        er = bucket.mReal;

        ep = bucket.mProcess;

        et = bucket.mThread;

        tag = bucket.mTag;

        indent = bucket.mIndent;

        *bucket.mSlotPtr = 0;

    } while (++index); // always true

    gBuckets.clear();

}

}; // namespace android

#endif