#!/usr/bin/env bash

. $(dirname $(readlink -e "${BASH_SOURCE[0]}"))/test-libs.sh

config-timeout $(stress_timeout)

#require-kernel-append nomem_profiling

test_bench()
{
    cat > /root/bench.c <<-ZZ
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>

int madvise_test(long in1, long in2)
{
    return madvise((void*)in1, (size_t)in2, 25);
}

int main(int argc, char    *argv[])
{
    long in1 = 0, in2 = 0;
    int res;

    if (argc > 1) {
        in1 = atol(argv[1]);
        if (argc > 2) {
            in2 = atol(argv[2]);
        }
    }
    res = madvise_test(in1, in2);
    printf("madvise_test(%ld, %ld) returned %d\n", in1, in2, res);

    return res;
}
ZZ

    gcc -o /root/bench /root/bench.c

    time /root/bench 2
    perf record -- /root/bench 2
    perf report --sort=symbol|head -n60|cut -b1-50 || true
}

main "$@"