Add timings to memory test

tests/pool/pool_test.c

@@ -6,6 +6,22 @@
 #include <stdlib.h>
 #include <time.h>
 
+typedef struct timespec timestamp_t;
+
+timestamp_t get_time(void)
+{
+    timestamp_t t;
+    clock_gettime(CLOCK_MONOTONIC, &t);
+    return t;
+}
+
+void print_time_diff(timestamp_t start, timestamp_t end)
+{
+    int64_t diff_nsec = end.tv_nsec - start.tv_nsec;
+
+    printf("Elapsed: %ld ns\n", diff_nsec);
+}
+
 int get_random(int low, int high)
 {
     srand(time(NULL));
@@ -76,15 +92,72 @@ bool test_fill_and_remove_at_random_and_refill_and_empty(void)
 int main(void)
 {
     // Test it twice to make sure empty works, kinda hacky.
+    printf("Testing Pool Fill and Empty 1x.\n");
     if(!test_fill_and_empty()) return -1;
+    printf("Testing Pool Fill and Empty 2x.\n");
     if(!test_fill_and_empty()) return -1;
 
     // Similarly here, verify that fill, random num removal, refill, and empty
     // by refilling and emptying again
+    printf("Testing Pool Fill, Partial Empty, Refill, Empty.\n");
     if(!test_fill_and_remove_at_random_and_refill_and_empty()) return -1;
+
+    printf("Testing Pool Fill and Empty.\n");
     if(!test_fill_and_empty()) return -1;
 
+    printf("---------------------------------------------------------\n");
     printf("Pool Tests Passed\n");
+    printf("---------------------------------------------------------\n");
+    printf("Testing execution time for fun :)\n\n");
+
+    timestamp_t t1 = get_time();
+    ChunkOfData* myData = POOL_GET(ChunkOfData); 
+    timestamp_t t2 = get_time();
+    printf("Pool Get One:\n\t");
+    print_time_diff(t1, t2);
+    printf("\n");
+
+    t1 = get_time();
+    POOL_FREE(ChunkOfData, myData);
+    t2 = get_time();
+    printf("Pool Free One:\n\t");
+    print_time_diff(t1, t2);
+    printf("\n");
+
+    t1 = get_time();
+    myData = (ChunkOfData*)malloc(sizeof(ChunkOfData));
+    t2 = get_time();
+    printf("Malloc One:\n\t");
+    print_time_diff(t1, t2);
+    printf("\n");
+
+    t1 = get_time();
+    free(myData);
+    t2 = get_time();
+    printf("Free One:\n\t");
+    print_time_diff(t1, t2);
+    printf("\n");
+
+    t1 = get_time();
+    if(!test_fill_and_empty()) return -1;
+    t2 = get_time();
+    printf("Fill and Empty Pool %d times:\n\t", TEST_SIZE);
+    print_time_diff(t1, t2);
+    printf("\n");
+
+    t1 = get_time();
+    ChunkOfData* myPtrs[TEST_SIZE];
+    for(int i = 0; i < TEST_SIZE; i++) 
+    {
+        myPtrs[i] = (ChunkOfData*)malloc(sizeof(ChunkOfData));
+    }
+    for(int i = 0; i < TEST_SIZE; i++) 
+    {
+        free(myPtrs[i]);
+    }
+    t2 = get_time();
+    printf("Fill and Empty Malloc %d times:\n\t", TEST_SIZE);
+    print_time_diff(t1, t2);
 
     return 0;
 }