From 34efd7644eb1d36519fad593cab49f0954b08dba Mon Sep 17 00:00:00 2001
From: Pekka Enberg <penberg@cloudius-systems.com>
Date: Wed, 28 Aug 2013 12:15:40 +0300
Subject: [PATCH] gdb: Add mmap info to 'osv mem'
Now that we can walk through the vma list, add mmap numbers to 'osv
mem':
(gdb) osv mem
Total Memory: 4294564864 Bytes
Mmap Memory: 3278278656 Bytes (76.34%)
Free Memory: 474492928 Bytes (11.05%)
---
scripts/loader.py | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/scripts/loader.py b/scripts/loader.py
index ba4151f01..011206c7c 100644
--- a/scripts/loader.py
+++ b/scripts/loader.py
@@ -150,10 +150,19 @@ class osv_memory(gdb.Command):
freemem = 0
for page_range in free_page_ranges():
freemem += int(page_range['size'])
+
+ mmapmem = 0
+ for vma in vma_list():
+ start = ulong(vma['_start'])
+ end = ulong(vma['_end'])
+ size = ulong(end - start)
+ mmapmem += size
memsize = gdb.parse_and_eval('memory::phys_mem_size')
print ("Total Memory: %d Bytes" % memsize)
+ print ("Mmap Memory: %d Bytes (%.2f%%)" %
+ (mmapmem, (mmapmem*100.0/memsize)))
print ("Free Memory: %d Bytes (%.2f%%)" %
(freemem, (freemem*100.0/memsize)))
--
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