rusage: Refactor test programs

Change-Id: I846a6416acf903f7fa19db98d4d937c51c10b4af

test/rusage/020_mck.c

@@ -0,0 +1,44 @@
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/mman.h>
+#include <string.h>
+#include "util.h"
+
+#define DEBUG
+
+int sz_anon[] = {
+	4 * (1ULL<<10),
+	2 * (1ULL<<20),
+	1 * (1ULL<<30),
+	134217728};
+
+#define SZ_INDEX 0
+#define NUM_AREAS 1
+
+int main(int argc, char **argv)
+{
+	int i;
+	int sz_index;
+	void *anon[NUM_AREAS];
+	int ret = 0;
+
+	CHKANDJUMP(argc != 2, 255, "%s <sz_index>\n", argv[0]);
+	sz_index = atoi(argv[1]);
+
+	for (i = 0; i < NUM_AREAS; i++) {
+		anon[i] = mmap(0, sz_anon[sz_index], PROT_READ | PROT_WRITE,
+			       MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
+		CHKANDJUMP(anon[i] == MAP_FAILED, 255, "mmap failed\n");
+		*((unsigned long *)anon[i]) = 0x123456789abcdef0;
+	}
+
+	for (i = 0; i < NUM_AREAS; i++) {
+		munmap(anon[i], sz_anon[sz_index]);
+	}
+
+ fn_exit:
+	return ret;
+ fn_fail:
+	goto fn_exit;
+}