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commit 4d653a59ffeae0f46f76a40230e2cfa9587b7e7e
Author: Siddhesh Poyarekar <siddhesh@redhat.com>
Date: Fri May 30 22:43:52 2014 +0530
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.
diff -pruN glibc-2.17-c758a686/malloc/malloc.c glibc-2.17-c758a686/malloc/malloc.c
--- glibc-2.17-c758a686/malloc/malloc.c 2014-06-02 07:35:22.573256155 +0530
+++ glibc-2.17-c758a686/malloc/malloc.c 2014-06-02 07:34:58.856257177 +0530
@@ -6553,12 +6553,14 @@ 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=\"%d\" 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);