ram_stress.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#define ALLOC_MB 100
#define ITERATIONS 100

int main() {
    void **allocated_blocks = malloc(sizeof(void *) * ITERATIONS);
    if (!allocated_blocks) {
        printf("Failed to allocate tracking array\n");
        return 1;
    }

    for (int i = 0; i < ITERATIONS; i++) {
        size_t alloc_size = ALLOC_MB * 1024 * 1024;
        allocated_blocks[i] = malloc(alloc_size);
        if (!allocated_blocks[i]) {
            printf("Failed to allocate %d MB\n", (i + 1) * ALLOC_MB);
            break;
        }

        // 실제로 메모리에 write → compressed memory 회피
        memset(allocated_blocks[i], i, alloc_size);

        printf("Allocated %d MB total\n", (i + 1) * ALLOC_MB);
        sleep(1);
    }

    printf("Sleeping... press Ctrl+C to exit\n");
    while (1) {
        sleep(10);
    }

    return 0;
}