Various minor cleanups.

Clean up whitespace.

Lock access of swap_avail when printing stats.

Use inttypes.h for portable printf() format specifiers, specifically for
uint64_t (PRIu64).

Change highchunks and curchunks stats from (unsigned long) to (size_t).

jemalloc/src/internal/jemalloc_arena.h

@@ -299,7 +299,6 @@ struct arena_s {
 	 */
 	size_t			ndirty;
 
-
 	/*
 	 * Size/address-ordered tree of this arena's available runs.  This tree
 	 * is used for first-best-fit run allocation.

jemalloc/src/internal/jemalloc_internal.h.in

@@ -17,6 +17,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
+#include <inttypes.h>
 #include <string.h>
 #include <strings.h>
 #include <unistd.h>

jemalloc/src/internal/jemalloc_stats.h

@@ -110,14 +110,14 @@ struct chunk_stats_s {
 	uint64_t	nchunks;
 
 	/* High-water mark for number of chunks allocated. */
-	unsigned long	highchunks;
+	size_t		highchunks;
 
 	/*
 	 * Current number of chunks allocated.  This value isn't maintained for
 	 * any other purpose, so keep track of it in order to be able to set
 	 * highchunks.
 	 */
-	unsigned long	curchunks;
+	size_t		curchunks;
 };
 
 #endif /* JEMALLOC_H_STRUCTS */

jemalloc/src/jemalloc_arena.c

@@ -1612,8 +1612,8 @@ arena_stats_aprint(size_t nactive, size_t ndirty, const arena_stats_t *astats,
 {
 
 	malloc_cprintf(write4, w4opaque,
-	    "dirty pages: %zu:%zu active:dirty, %llu sweep%s,"
+	    "dirty pages: %zu:%zu active:dirty, %"PRIu64" sweep%s,"
-	    " %llu madvise%s, %llu purged\n",
+	    " %"PRIu64" madvise%s, %"PRIu64" purged\n",
 	    nactive, ndirty,
 	    astats->npurge, astats->npurge == 1 ? "" : "s",
 	    astats->nmadvise, astats->nmadvise == 1 ? "" : "s",
@@ -1621,16 +1621,20 @@ arena_stats_aprint(size_t nactive, size_t ndirty, const arena_stats_t *astats,
 
 	malloc_cprintf(write4, w4opaque,
 	    "            allocated      nmalloc      ndalloc\n");
-	malloc_cprintf(write4, w4opaque, "small:   %12zu %12llu %12llu\n",
+	malloc_cprintf(write4, w4opaque,
+	    "small:   %12zu %12"PRIu64" %12"PRIu64"\n",
 	    astats->allocated_small, astats->nmalloc_small,
 	    astats->ndalloc_small);
-	malloc_cprintf(write4, w4opaque, "medium:  %12zu %12llu %12llu\n",
+	malloc_cprintf(write4, w4opaque,
+	    "medium:  %12zu %12"PRIu64" %12"PRIu64"\n",
 	    astats->allocated_medium, astats->nmalloc_medium,
 	    astats->ndalloc_medium);
-	malloc_cprintf(write4, w4opaque, "large:   %12zu %12llu %12llu\n",
+	malloc_cprintf(write4, w4opaque,
+	    "large:   %12zu %12"PRIu64" %12"PRIu64"\n",
 	    astats->allocated_large, astats->nmalloc_large,
 	    astats->ndalloc_large);
-	malloc_cprintf(write4, w4opaque, "total:   %12zu %12llu %12llu\n",
+	malloc_cprintf(write4, w4opaque,
+	    "total:   %12zu %12"PRIu64" %12"PRIu64"\n",
 	    astats->allocated_small + astats->allocated_medium +
 	    astats->allocated_large, astats->nmalloc_small +
 	    astats->nmalloc_medium + astats->nmalloc_large,
@@ -1674,11 +1678,11 @@ arena_stats_bprint(arena_t *arena, const malloc_bin_stats_t *bstats,
 				gap_start = UINT_MAX;
 			}
 			malloc_cprintf(write4, w4opaque,
-			    "%13u %1s %5u %4u %3u %9llu %9llu"
+			    "%13u %1s %5u %4u %3u %9"PRIu64" %9"PRIu64
 #ifdef JEMALLOC_TCACHE
-			    " %9llu %9llu"
+			    " %9"PRIu64" %9"PRIu64""
 #endif
-			    " %9llu %7zu %7zu\n",
+			    " %9"PRIu64" %7zu %7zu\n",
 			    i,
 			    i < ntbins ? "T" : i < ntbins + nqbins ?
 			    "Q" : i < ntbins + nqbins + ncbins ? "C" :
@@ -1733,7 +1737,7 @@ arena_stats_lprint(const malloc_large_stats_t *lstats,
 				gap_start = -1;
 			}
 			malloc_cprintf(write4, w4opaque,
-			    "%13zu %5zu %9llu %9zu %9zu\n",
+			    "%13zu %5zu %9"PRIu64" %9zu %9zu\n",
 			    (i+1) << PAGE_SHIFT, i+1,
 			    lstats[i].nrequests,
 			    lstats[i].highruns,

jemalloc/src/jemalloc_stats.c

@@ -278,18 +278,28 @@ stats_print(void (*write4)(void *, const char *, const char *, const char *,
 		/* Print chunk stats. */
 		{
 			chunk_stats_t chunks_stats;
+#ifdef JEMALLOC_SWAP
+			size_t swap_avail_chunks;
+#endif
 
 			malloc_mutex_lock(&huge_mtx);
 			chunks_stats = stats_chunks;
 			malloc_mutex_unlock(&huge_mtx);
 
+#ifdef JEMALLOC_SWAP
+			malloc_mutex_lock(&swap_mtx);
+			swap_avail_chunks = swap_avail >> opt_lg_chunk;
+			malloc_mutex_unlock(&swap_mtx);
+#endif
+
 			malloc_cprintf(write4, w4opaque, "chunks: nchunks   "
 			    "highchunks    curchunks"
 #ifdef JEMALLOC_SWAP
 			    "   swap_avail"
 #endif
 			    "\n");
-			malloc_cprintf(write4, w4opaque, "  %13llu%13lu%13lu"
+			malloc_cprintf(write4, w4opaque,
+			    "  %13"PRIu64"%13zu%13zu"
 #ifdef JEMALLOC_SWAP
 			    "%13zu"
 #endif
@@ -297,7 +307,7 @@ stats_print(void (*write4)(void *, const char *, const char *, const char *,
 			    chunks_stats.nchunks, chunks_stats.highchunks,
 			    chunks_stats.curchunks
 #ifdef JEMALLOC_SWAP
-			    , (swap_avail >> opt_lg_chunk)
+			    , swap_avail_chunks
 #endif
 			    );
 		}
@@ -305,7 +315,8 @@ stats_print(void (*write4)(void *, const char *, const char *, const char *,
 		/* Print chunk stats. */
 		malloc_cprintf(write4, w4opaque,
 		    "huge: nmalloc      ndalloc    allocated\n");
-		malloc_cprintf(write4, w4opaque, " %12llu %12llu %12zu\n",
+		malloc_cprintf(write4, w4opaque,
+		    " %12"PRIu64" %12"PRIu64" %12zu\n",
 		    huge_nmalloc, huge_ndalloc, huge_allocated);
 
 		if (merged) {