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Count the number of mallocs of different sizes

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git-svn-id: file:///svn/tokudb@93 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Bradley C. Kuszmaul 2007-08-07 23:14:09 +00:00
parent 17fc9acfa8
commit f94ef8fc9d
3 changed files with 17 additions and 0 deletions
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2
newbrt/benchmark-test.c
View file

@ -1,6 +1,7 @@
/* Insert a bunch of stuff */ /* Insert a bunch of stuff */
#include "brt.h" #include "brt.h"
#include "key.h" #include "key.h"
#include "memory.h"
#include <unistd.h> #include <unistd.h>
#include <stdlib.h> #include <stdlib.h>
#include <assert.h> #include <assert.h>
@ -96,6 +97,7 @@ int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__un
gettimeofday(&t3,0); gettimeofday(&t3,0);
printf("Shutdown %.6fs\n", tdiff(&t3, &t2)); 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)); 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; return 0;
} }

14
newbrt/memory.c
View file

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

1
newbrt/memory.h
View file

@ -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); int get_n_items_malloced(void);
void print_malloced_items(void); void print_malloced_items(void);
void malloc_report (void);