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Date: Fri, 10 May 2019 19:43:44 -0400
Message-Id: <xnef55euz3.fsf@greed.delorie.com>
From: DJ Delorie <dj@redhat.com>
To: libc-alpha@sourceware.org
Subject: [patch] Add various constants to malloc_info output.

It was easier to add this than do manually figure these out... ;-)

I'm not an XML expert so if there's a better choice of schema for
these, speak up.

	* malloc/malloc.c (__malloc_info): Add various constants to the
	output.

diff --git a/malloc/malloc.c b/malloc/malloc.c
index b8baaa2706..0ec0dcc8cf 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -5387,6 +5387,16 @@ __malloc_info (int options, FILE *fp)
 
   fputs ("<malloc version=\"1\">\n", fp);
 
+  fprintf (fp, "<malloc_alignment bytes=\"%ld\" />\n", (long) MALLOC_ALIGNMENT);
+  fprintf (fp, "<min_chunk_size bytes=\"%ld\" />\n", (long) MIN_CHUNK_SIZE);
+  fprintf (fp, "<max_fast_alloc bytes=\"%ld\" />\n", (long) MAX_FAST_SIZE);
+  fprintf (fp, "<max_tcache_alloc bytes=\"%ld\" />\n", (long) MAX_TCACHE_SIZE);
+  fprintf (fp, "<min_large_alloc bytes=\"%ld\" />\n", (long) MIN_LARGE_SIZE);
+  fprintf (fp, "<default_mmap_threshold bytes=\"%ld\" />\n", (long) DEFAULT_MMAP_THRESHOLD);
+  fprintf (fp, "<max_mmap_threshold bytes=\"%ld\" />\n", (long) DEFAULT_MMAP_THRESHOLD_MAX);
+  fprintf (fp, "<heap_min_size bytes=\"%ld\" />\n", (long) HEAP_MIN_SIZE);
+  fprintf (fp, "<heap_max_size bytes=\"%ld\" />\n", (long) HEAP_MAX_SIZE);
+
   /* Iterate over all arenas currently in use.  */
   mstate ar_ptr = &main_arena;
   do