pagecache: Fixed incorrect regex pattern

It can't update pagecached in/out because of wrong regex pattern about pfn
e.g. pfn=0x49e10

Bug: 316092799
Test: run /system/extras/pagecache.py
Change-Id: I9e1a61c0f730114c928cc952cd1cb92bb8f7c2f4

1 files changed, 1 insertions, 1 deletions

diff --git a/pagecache/pagecache.py b/pagecache/pagecache.py
index c822ff00..cb9c7396 100755
--- a/pagecache/pagecache.py
+++ b/pagecache/pagecache.py
@@ -229,7 +229,7 @@ class AdbUtils():
 
 def parse_atrace_line(line, pagecache_stats, app_name):
   # Find a mm_filemap_add_to_page_cache entry
-  m = re.match('.* (mm_filemap_add_to_page_cache|mm_filemap_delete_from_page_cache): dev (\d+):(\d+) ino ([0-9a-z]+) page=([0-9a-z]+) pfn=\d+ ofs=(\d+).*', line)
+  m = re.match('.* (mm_filemap_add_to_page_cache|mm_filemap_delete_from_page_cache): dev (\d+):(\d+) ino ([0-9a-z]+) page=([0-9a-z]+) pfn=([0-9a-z]+) ofs=(\d+).*', line)
   if m != None:
     # Get filename
     device_number = int(m.group(2)) << 8 | int(m.group(3))