Count the number of mallocs of different sizes

git-svn-id: file:///svn/tokudb@93 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/benchmark-test.c

 /* Insert a bunch of stuff */
 #include "brt.h"
 #include "key.h"
+#include "memory.h"
 #include <unistd.h>
 #include <stdlib.h>
 #include <assert.h>
@@ -96,6 +97,7 @@ int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__un
     gettimeofday(&t3,0);
     printf("Shutdown %.6fs\n", tdiff(&t3, &t2));
     printf("Total time %.6fs for %lld insertions = %8.0f/s\n", tdiff(&t3, &t1), 2*total_n_items, 2*total_n_items/tdiff(&t3, &t1));
+    malloc_report();
     return 0;
 }
 

newbrt/memory.c

@@ -134,9 +134,14 @@ void *toku_calloc(long nmemb, long size) {
     //if ((long)r==0x80523f8) { printf("%s:%d %p\n", __FILE__, __LINE__, r);  }
     return r;
 }
+#define MALLOC_SIZE_COUNTING_LIMIT 256
+int malloc_counts[MALLOC_SIZE_COUNTING_LIMIT];
+int other_malloc_count=0;
 void *toku_malloc(long size) {
     void * r;
     errno=0;
+    if (size<MALLOC_SIZE_COUNTING_LIMIT) malloc_counts[size]++;
+    else other_malloc_count++;
     r=actual_malloc(size);
     //printf("%s:%d malloc(%ld)->%p\n", __FILE__, __LINE__, size,r);
     note_did_malloc(r, size);
@@ -192,3 +197,12 @@ void print_malloced_items (void) {
 	printf(" %p size=%ld\n", items[i], sizes[i]);
     }
 }
+
+void malloc_report (void) {
+    int i;
+    printf("malloc report:\n");
+    for (i=0; i<MALLOC_SIZE_COUNTING_LIMIT; i++) {
+	if (malloc_counts[i]) printf("%d: %d\n", i, malloc_counts[i]);
+    }
+    printf("Other: %d\n", other_malloc_count);
+}

newbrt/memory.h

@@ -22,3 +22,4 @@ extern int memory_check; // Set to nonzero to get a (much) slower version of mal
 
 int get_n_items_malloced(void);
 void print_malloced_items(void);
+void malloc_report (void);