1 What: /proc/pid/smaps_rollup 1 What: /proc/pid/smaps_rollup
2 Date: August 2017 2 Date: August 2017
3 Contact: Daniel Colascione <dancol@googl 3 Contact: Daniel Colascione <dancol@google.com>
4 Description: 4 Description:
5 This file provides pre-summed 5 This file provides pre-summed memory information for a
6 process. The format is almost !! 6 process. The format is identical to /proc/pid/smaps,
7 except instead of an entry for 7 except instead of an entry for each VMA in a process,
8 smaps_rollup has a single entr 8 smaps_rollup has a single entry (tagged "[rollup]")
9 for which each field is the su 9 for which each field is the sum of the corresponding
10 fields from all the maps in /p 10 fields from all the maps in /proc/pid/smaps.
11 Additionally, the fields Pss_A !! 11 For more details, see the procfs man page.
12 are not present in /proc/pid/s <<
13 the sum of the Pss field of ea <<
14 For more details, see Document <<
15 and the procfs man page. <<
16 12
17 Typical output looks like this !! 13 Typical output looks like this:
18 14
19 00100000-ff709000 ---p !! 15 00100000-ff709000 ---p 00000000 00:00 0 [rollup]
20 Size: 11 !! 16 Rss: 884 kB
21 KernelPageSize: !! 17 Pss: 385 kB
22 MMUPageSize: !! 18 Shared_Clean: 696 kB
23 Rss: 8 !! 19 Shared_Dirty: 0 kB
24 Pss: 3 !! 20 Private_Clean: 120 kB
25 Pss_Dirty: !! 21 Private_Dirty: 68 kB
26 Pss_Anon: 3 !! 22 Referenced: 884 kB
27 Pss_File: !! 23 Anonymous: 68 kB
28 Pss_Shmem: !! 24 LazyFree: 0 kB
29 Shared_Clean: 6 !! 25 AnonHugePages: 0 kB
30 Shared_Dirty: !! 26 ShmemPmdMapped: 0 kB
31 Private_Clean: 1 !! 27 Shared_Hugetlb: 0 kB
32 Private_Dirty: !! 28 Private_Hugetlb: 0 kB
33 Referenced: 8 !! 29 Swap: 0 kB
34 Anonymous: !! 30 SwapPss: 0 kB
35 LazyFree: !! 31 Locked: 385 kB
36 AnonHugePages: <<
37 ShmemPmdMapped: <<
38 Shared_Hugetlb: <<
39 Private_Hugetlb: <<
40 Swap: <<
41 SwapPss: <<
42 Locked: 3 <<
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