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authorSiddhesh Poyarekar <siddhesh@redhat.com>2014-05-30 22:43:52 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2014-05-30 22:43:52 +0530
commit4d653a59ffeae0f46f76a40230e2cfa9587b7e7e (patch)
tree5db8b13d05ee2c628d5307b621ccc3e4bb33d5aa
parent5190c17f2280d3aa27cfb057816d09d9af03b167 (diff)
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Add mmap usage in malloc_info output
The current malloc_info xml output only has information about allocations on the heap. Display information about number of mappings and total mmapped size to this to complete the picture.
-rw-r--r--ChangeLog5
-rw-r--r--malloc/malloc.c2
2 files changed, 7 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index 06d529d7d1..d2a94b29f4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2014-05-30 Siddhesh Poyarekar <siddhesh@redhat.com>
+ Roland McGrath <roland@hack.frob.com>
+
+ * malloc/malloc (malloc_info): Also print mmapped statistics.
+
2014-05-30 Roland McGrath <roland@hack.frob.com>
* sysdeps/unix/sysv/linux/m68k/arch-fork.h: New file.
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 963a333fe9..e78f8dfe76 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -5148,12 +5148,14 @@ malloc_info (int options, FILE *fp)
fprintf (fp,
"<total type=\"fast\" count=\"%zu\" size=\"%zu\"/>\n"
"<total type=\"rest\" count=\"%zu\" size=\"%zu\"/>\n"
+ "<total type=\"mmap\" count=\"%zu\" size=\"%zu\"/>\n"
"<system type=\"current\" size=\"%zu\"/>\n"
"<system type=\"max\" size=\"%zu\"/>\n"
"<aspace type=\"total\" size=\"%zu\"/>\n"
"<aspace type=\"mprotect\" size=\"%zu\"/>\n"
"</malloc>\n",
total_nfastblocks, total_fastavail, total_nblocks, total_avail,
+ mp_.n_mmaps, mp_.mmapped_mem,
total_system, total_max_system,
total_aspace, total_aspace_mprotect);