1493b0e9dSDaniel ColascioneWhat:		/proc/pid/smaps_rollup
2493b0e9dSDaniel ColascioneDate:		August 2017
3493b0e9dSDaniel ColascioneContact:	Daniel Colascione <dancol@google.com>
4493b0e9dSDaniel ColascioneDescription:
5493b0e9dSDaniel Colascione		This file provides pre-summed memory information for a
6493b0e9dSDaniel Colascione		process.  The format is identical to /proc/pid/smaps,
7493b0e9dSDaniel Colascione		except instead of an entry for each VMA in a process,
8493b0e9dSDaniel Colascione		smaps_rollup has a single entry (tagged "[rollup]")
9493b0e9dSDaniel Colascione		for which each field is the sum of the corresponding
10493b0e9dSDaniel Colascione		fields from all the maps in /proc/pid/smaps.
11493b0e9dSDaniel Colascione		For more details, see the procfs man page.
12493b0e9dSDaniel Colascione
13493b0e9dSDaniel Colascione		Typical output looks like this:
14493b0e9dSDaniel Colascione
15493b0e9dSDaniel Colascione		00100000-ff709000 ---p 00000000 00:00 0		 [rollup]
16493b0e9dSDaniel Colascione		Rss:		     884 kB
17493b0e9dSDaniel Colascione		Pss:		     385 kB
18493b0e9dSDaniel Colascione		Shared_Clean:	     696 kB
19493b0e9dSDaniel Colascione		Shared_Dirty:	       0 kB
20493b0e9dSDaniel Colascione		Private_Clean:	     120 kB
21493b0e9dSDaniel Colascione		Private_Dirty:	      68 kB
22493b0e9dSDaniel Colascione		Referenced:	     884 kB
23493b0e9dSDaniel Colascione		Anonymous:	      68 kB
24493b0e9dSDaniel Colascione		LazyFree:	       0 kB
25493b0e9dSDaniel Colascione		AnonHugePages:	       0 kB
26493b0e9dSDaniel Colascione		ShmemPmdMapped:	       0 kB
27493b0e9dSDaniel Colascione		Shared_Hugetlb:	       0 kB
28493b0e9dSDaniel Colascione		Private_Hugetlb:       0 kB
29493b0e9dSDaniel Colascione		Swap:		       0 kB
30493b0e9dSDaniel Colascione		SwapPss:	       0 kB
31493b0e9dSDaniel Colascione		Locked:		     385 kB
32