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Commit f7041933 authored by Narayan Kamath's avatar Narayan Kamath
Browse files

logwrapper: add a benchmark for android_fork_execvp_ext 

Current results on an aosp_angler (32 bit) :

Benchmark                           Time           CPU Iterations
-----------------------------------------------------------------
BM_android_fork_execvp_ext   15019207 ns    1002131 ns        700

Test: android_fork_execvp_ext_benchmark

Change-Id: I3d4339ff5cbb9a641cbb14f0b55d2b5fc18cdfde
parent 450c4405

logwrapper/Android.bp

+19 −0
Original line number Diff line number Diff line
@@ -32,3 +32,22 @@ cc_binary { 
        "-Werror",

    ],

}



// ========================================================

// Benchmark

// ========================================================

cc_benchmark {

    name: "android_fork_execvp_ext_benchmark",

    srcs: [

        "android_fork_execvp_ext_benchmark.cpp",

    ],

    shared_libs: [

        "libbase",

        "libcutils",

        "liblog",

        "liblogwrap",

    ],

    cflags: [

        "-Werror",

    ]

}

logwrapper/android_fork_execvp_ext_benchmark.cpp

0 → 100644
+34 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2017 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 "logwrap/logwrap.h"



#include <android-base/logging.h>

#include <benchmark/benchmark.h>



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

    const char* argv[] = {"/system/bin/echo", "hello", "world"};

    const int argc = 3;

    while (state.KeepRunning()) {

        int rc = android_fork_execvp_ext(

            argc, (char**)argv, NULL /* status */, false /* ignore_int_quit */, LOG_NONE,

            false /* abbreviated */, NULL /* file_path */, NULL /* opts */, 0 /* opts_len */);

        CHECK_EQ(0, rc);

    }

}

BENCHMARK(BM_android_fork_execvp_ext);



BENCHMARK_MAIN();