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Commit c1445b0d authored by Ruchir Rastogi's avatar Ruchir Rastogi Committed by Automerger Merge Worker
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Merge "Do not truncate AStatsEvent buffers" into rvc-dev am: 172562dc am:... 

Merge "Do not truncate AStatsEvent buffers" into rvc-dev am: 172562dc am: 5136c748 am: 637b95df

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/11832292

Change-Id: I0e68394584fbc3992ae6ea69b865d784d6b6f17b
parents b75fbac9 637b95df

libstats/socket/Android.bp

+1 −20
Original line number Diff line number Diff line
@@ -89,25 +89,6 @@ cc_library_headers { 
    min_sdk_version: "29",

}



cc_benchmark {

    name: "libstatssocket_benchmark",

    srcs: [

        "benchmark/main.cpp",

        "benchmark/stats_event_benchmark.cpp",

    ],

    cflags: [

        "-Wall",

        "-Werror",

    ],

    static_libs: [

        "libstatssocket_private",

    ],

    shared_libs: [

        "libcutils",

        "libgtest_prod",

    ],

}



cc_test {

    name: "libstatssocket_test",

    srcs: [
@@ -128,7 +109,7 @@ cc_test { 
    ],

    test_suites: ["device-tests", "mts"],

    test_config: "libstatssocket_test.xml",

    //TODO(b/153588990): Remove when the build system properly separates 

    //TODO(b/153588990): Remove when the build system properly separates.

    //32bit and 64bit architectures.

    compile_multilib: "both",

    multilib: {

libstats/socket/benchmark/main.cpp

deleted100644 → 0
+0 −19
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2019 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 <benchmark/benchmark.h>



BENCHMARK_MAIN();

libstats/socket/benchmark/stats_event_benchmark.cpp

deleted100644 → 0
+0 −54
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2019 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 "benchmark/benchmark.h"

#include "stats_event.h"



static AStatsEvent* constructStatsEvent() {

    AStatsEvent* event = AStatsEvent_obtain();

    AStatsEvent_setAtomId(event, 100);



    // randomly sample atom size

    int numElements = rand() % 800;

    for (int i = 0; i < numElements; i++) {

        AStatsEvent_writeInt32(event, i);

    }



    return event;

}



static void BM_stats_event_truncate_buffer(benchmark::State& state) {

    while (state.KeepRunning()) {

        AStatsEvent* event = constructStatsEvent();

        AStatsEvent_build(event);

        AStatsEvent_write(event);

        AStatsEvent_release(event);

    }

}



BENCHMARK(BM_stats_event_truncate_buffer);



static void BM_stats_event_full_buffer(benchmark::State& state) {

    while (state.KeepRunning()) {

        AStatsEvent* event = constructStatsEvent();

        AStatsEvent_truncateBuffer(event, false);

        AStatsEvent_build(event);

        AStatsEvent_write(event);

        AStatsEvent_release(event);

    }

}



BENCHMARK(BM_stats_event_full_buffer);

libstats/socket/include/stats_event.h

+0 −3
Original line number Diff line number Diff line
@@ -157,9 +157,6 @@ uint32_t AStatsEvent_getAtomId(AStatsEvent* event); 
uint8_t* AStatsEvent_getBuffer(AStatsEvent* event, size_t* size);

uint32_t AStatsEvent_getErrors(AStatsEvent* event);



// exposed for benchmarking only

void AStatsEvent_truncateBuffer(struct AStatsEvent* event, bool truncate);



#ifdef __cplusplus

}

#endif  // __CPLUSPLUS

libstats/socket/stats_event.c

+0 −13
Original line number Diff line number Diff line
@@ -76,7 +76,6 @@ struct AStatsEvent { 
    uint32_t numElements;

    uint32_t atomId;

    uint32_t errors;

    bool truncate;

    bool built;

    size_t bufSize;

};
@@ -95,7 +94,6 @@ AStatsEvent* AStatsEvent_obtain() { 
    event->numElements = 0;

    event->atomId = 0;

    event->errors = 0;

    event->truncate = true;  // truncate for both pulled and pushed atoms

    event->built = false;

    event->bufSize = MAX_PUSH_EVENT_PAYLOAD;

    event->buf = (uint8_t*)calloc(event->bufSize, 1);
@@ -318,10 +316,6 @@ uint32_t AStatsEvent_getErrors(AStatsEvent* event) { 
    return event->errors;

}



void AStatsEvent_truncateBuffer(AStatsEvent* event, bool truncate) {

    event->truncate = truncate;

}



static void build_internal(AStatsEvent* event, const bool push) {

    if (event->numElements > MAX_BYTE_VALUE) event->errors |= ERROR_TOO_MANY_FIELDS;

    if (0 == event->atomId) event->errors |= ERROR_NO_ATOM_ID;
@@ -341,13 +335,6 @@ static void build_internal(AStatsEvent* event, const bool push) { 
    }



    event->buf[POS_NUM_ELEMENTS] = event->numElements;



    // Truncate the buffer to the appropriate length in order to limit our

    // memory usage.

    if (event->truncate) {

        event->buf = (uint8_t*)realloc(event->buf, event->numBytesWritten);

        event->bufSize = event->numBytesWritten;

    }

}



void AStatsEvent_build(AStatsEvent* event) {