moved paper and artifacts

paper/artifacts/include/utils.h

@@ -0,0 +1,73 @@
+#pragma once
+
+#define _GNU_SOURCE
+#include <time.h>
+#include <sched.h>
+#include <time.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/resource.h>
+
+void set_limit(void)
+{
+    int ret;
+    struct rlimit l = {
+        .rlim_cur = 100000,
+        .rlim_max = 100000,
+    };
+    ret = setrlimit(RLIMIT_NOFILE, &l);
+    if (ret < 0) {
+        perror("setrlimit");
+        exit(-1);
+    }
+}
+
+void pin_to_core(size_t core)
+{
+    int ret;
+    cpu_set_t cpuset;
+
+    CPU_ZERO(&cpuset);
+    CPU_SET(core, &cpuset);
+
+    ret = sched_setaffinity(0, sizeof(cpu_set_t), &cpuset);
+    if (ret) {
+        perror("sched_setaffinity: ");
+        exit(-1);
+    }
+}
+
+size_t mem_total_rounded;
+void get_total_memory(void)
+{
+    FILE *fp;
+    char input[100];
+
+    size_t mem_total_kb;
+
+    /* Open the command for reading. */
+    fp = popen("awk '/MemTotal/ { print $2 }' /proc/meminfo", "r");
+    if (fp == NULL) {
+        printf("[!] Failed to get MemTotal\n" );
+        exit(1);
+    }
+
+    /* Read the output a line at a time - output it. */
+    if (fgets(input, sizeof(input), fp) != NULL) {
+        mem_total_kb = atoi(input);
+        if (mem_total_kb == 0) {
+            printf("[!] Failed to convert MemTotal\n" );
+            exit(1);
+        }
+        mem_total_rounded = (mem_total_kb+(1<<20)-1)/(1<<20) << 30; 
+        printf("[*] MemTotal: %luB\n", mem_total_rounded);
+    }
+    else {
+        printf("[!] Failed to get MemTotal\n" );
+        exit(1);
+    }
+
+    /* close */
+    pclose(fp);
+}