klish/lub/heap/heap_show.c

/* 
 * heap_show.c
 */
#include <stdio.h>
#include "cache.h"

/*--------------------------------------------------------- */
static void
process_free_block(void *block, unsigned index, size_t size, void *arg)
{
	/* dump the details for this block */
	printf(" %8p[%" SIZE_FMT "]", block, size);
}

/*--------------------------------------------------------- */
static void
process_segment(void *segment, unsigned index, size_t size, void *arg)
{
	/* dump the details for this segment */
	printf(" %8p[%" SIZE_FMT "]", segment, size);
}

/*--------------------------------------------------------- */
void lub_heap_show(lub_heap_t * this, bool_t verbose)
{
	static char *state_names[] = { "DISABLED", "ENABLED" };
	lub_heap_stats_t stats;

	if (BOOL_FALSE == lub_heap_check_memory(this)) {
		printf("*** HEAP CORRUPTED!!! ***\n");
	}
	if (BOOL_TRUE == verbose) {
		printf("HEAP:\n" "  %8p\n", (void *)this);
		printf("\nHEAP SEGMENTS:\n");
		lub_heap_foreach_segment(this, process_segment, NULL);
		printf("\n");
		if (this->cache) {
			printf("\nCACHE:\n");
			lub_heap_cache_show(this->cache);
		}
		/* dump each free block's details */
		printf("\nFREE BLOCKS:\n");
		lub_heap_foreach_free_block(this, process_free_block, NULL);
		printf("\n");
		printf("\nSUMMARY:\n");
	}
	{
		/*lint -esym(644,cache_stats) may not have been initialized */
		lub_heap_stats_t cache_stats;
		/* get the stats */
		lub_heap__get_stats(this, &stats);

		/* dump the statistics for this heap */
		printf
		    ("  status      bytes    blocks  avg block  max block   overhead\n");
		printf
		    ("  ------ ---------- --------- ---------- ---------- ----------\n");

		printf("current\n");
		printf("    free %10" SIZE_FMT " %9" SIZE_FMT " %10" SIZE_FMT
		       " %10" SIZE_FMT " %10" SIZE_FMT "\n", stats.free_bytes,
		       stats.free_blocks,
		       stats.free_blocks ? stats.free_bytes /
		       stats.free_blocks : 0, lub_heap__get_max_free(this),
		       stats.free_overhead + stats.segs_overhead);
		printf("   alloc %10" SIZE_FMT " %9" SIZE_FMT " %10" SIZE_FMT
		       " %10s %10" SIZE_FMT "\n", stats.alloc_bytes,
		       stats.alloc_blocks,
		       stats.alloc_blocks ? stats.alloc_bytes /
		       stats.alloc_blocks : 0, "-", stats.alloc_overhead);
		printf("  static %10" SIZE_FMT " %9" SIZE_FMT " %10" SIZE_FMT
		       " %10s %10" SIZE_FMT "\n", stats.static_bytes,
		       stats.static_blocks,
		       stats.static_blocks ? stats.static_bytes /
		       stats.static_blocks : 0, "-", stats.static_overhead);
		if (this->cache) {
			printf(" (cache)\n");
			lub_heap_cache__get_stats(this->cache, &cache_stats);
			printf("    free %10" SIZE_FMT " %9" SIZE_FMT " %10"
			       SIZE_FMT " %10" SIZE_FMT " %10" SIZE_FMT "\n",
			       cache_stats.free_bytes, cache_stats.free_blocks,
			       cache_stats.free_blocks ? cache_stats.
			       free_bytes / cache_stats.free_blocks : 0,
			       lub_heap_cache__get_max_free(this->cache),
			       cache_stats.free_overhead);
			printf("   alloc %10" SIZE_FMT " %9" SIZE_FMT " %10"
			       SIZE_FMT " %10s %10" SIZE_FMT "\n",
			       cache_stats.alloc_bytes,
			       cache_stats.alloc_blocks,
			       cache_stats.alloc_blocks ? cache_stats.
			       alloc_bytes / cache_stats.alloc_blocks : 0, "-",
			       cache_stats.alloc_overhead);
		}

		printf("cumulative\n");
		printf("   alloc %10" SIZE_FMT " %9" SIZE_FMT " %10" SIZE_FMT
		       " %10s %10s\n", stats.alloc_total_bytes,
		       stats.alloc_total_blocks,
		       stats.alloc_total_blocks ? stats.alloc_total_bytes /
		       stats.alloc_total_blocks : 0, "-", "-");
		if (this->cache) {
			printf(" (cache)\n");
			printf("   alloc %10" SIZE_FMT " %9" SIZE_FMT " %10"
			       SIZE_FMT " %10s %10s\n",
			       cache_stats.alloc_total_bytes,
			       cache_stats.alloc_total_blocks,
			       cache_stats.alloc_total_blocks ? cache_stats.
			       alloc_total_bytes /
			       cache_stats.alloc_total_blocks : 0, "-", "-");
		}
		printf("high-tide\n");
		printf("    free %10" SIZE_FMT " %9" SIZE_FMT " %10" SIZE_FMT
		       " %10s %10" SIZE_FMT "\n", stats.free_hightide_bytes,
		       stats.free_hightide_blocks,
		       stats.free_hightide_blocks ? stats.free_hightide_bytes /
		       stats.free_hightide_blocks : 0, "-",
		       stats.free_hightide_overhead);
		printf("   alloc %10" SIZE_FMT " %9" SIZE_FMT " %10" SIZE_FMT
		       " %10s %10" SIZE_FMT "\n", stats.alloc_hightide_bytes,
		       stats.alloc_hightide_blocks,
		       stats.alloc_hightide_blocks ? stats.
		       alloc_hightide_bytes / stats.alloc_hightide_blocks : 0,
		       "-", stats.alloc_hightide_overhead);
	}
	if (BOOL_TRUE == verbose) {
		printf("\nSYSTEM:\n"
		       "  tainting(%s), full checking(%s), leak detection(%s),\n"
		       "  native alignment of %d bytes\n",
		       state_names[lub_heap_is_tainting()],
		       state_names[lub_heap_is_checking()],
		       state_names[lub_heap__get_framecount()? 0 : 1],
		       LUB_HEAP_ALIGN_NATIVE);
	}
	printf("\n");
}