text: #include "test/jemalloc_test.h"
  
  #include <stdio.h>
  
  /*
   * Print the sizes of various important core data structures.  OK, I guess this
   * isn't really a "stress" test, but it does give useful information about
   * low-level performance characteristics, as the other things in this directory
   * do.
   */
  
  static void
  do_print(const char *name, size_t sz_bytes) {
  	const char *sizes[] = {"bytes", "KB", "MB", "GB", "TB", "PB", "EB",
  		"ZB"};
  	size_t sizes_max = sizeof(sizes)/sizeof(sizes[0]);
  
  	size_t ind = 0;
  	double sz = sz_bytes;
  	while (sz >= 1024 && ind < sizes_max - 1) {
  		sz /= 1024;
  		ind++;
  	}
  	if (ind == 0) {
  		printf("%-20s: %zu bytes\n", name, sz_bytes);
  	} else {
  		printf("%-20s: %f %s\n", name, sz, sizes[ind]);
  	}
  }
  
  int
  main() {
  #define P(type)								\
  	do_print(#type, sizeof(type))
  	P(arena_t);
  	P(arena_stats_t);
  	P(base_t);
  	P(decay_t);
  	P(edata_t);
  	P(ecache_t);
  	P(eset_t);
  	P(malloc_mutex_t);
  	P(prof_tctx_t);
  	P(prof_gctx_t);
  	P(prof_tdata_t);
  	P(rtree_t);
  	P(rtree_leaf_elm_t);
  	P(slab_data_t);
  	P(tcache_t);
  	P(tcache_slow_t);
  	P(tsd_t);
  #undef P
  }
  