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| author | Jonathan Corbet <corbet@lwn.net> | 2019-07-22 22:42:10 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2019-07-22 22:42:10 +0300 |
| commit | e27a24210aa17b8a0cd462865130fe73afd7e001 (patch) | |
| tree | b2d7b8311d280244fad3166792e8f447081a8bc9 /Documentation/ABI/testing/procfs-smaps_rollup | |
| parent | 224d5fd43d250f850d64fb6d668114aff29d7022 (diff) | |
| parent | 5f9e832c137075045d15cd6899ab0505cfb2ca4b (diff) | |
| download | linux-e27a24210aa17b8a0cd462865130fe73afd7e001.tar.xz | |
Merge tag 'v5.3-rc1' into docs-next
Pull in all of the massive docs changes from elsewhere.
Diffstat (limited to 'Documentation/ABI/testing/procfs-smaps_rollup')
| -rw-r--r-- | Documentation/ABI/testing/procfs-smaps_rollup | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/Documentation/ABI/testing/procfs-smaps_rollup b/Documentation/ABI/testing/procfs-smaps_rollup index 0a54ed0d63c9..274df44d8b1b 100644 --- a/Documentation/ABI/testing/procfs-smaps_rollup +++ b/Documentation/ABI/testing/procfs-smaps_rollup @@ -3,18 +3,28 @@ Date: August 2017 Contact: Daniel Colascione <dancol@google.com> Description: This file provides pre-summed memory information for a - process. The format is identical to /proc/pid/smaps, + process. The format is almost identical to /proc/pid/smaps, except instead of an entry for each VMA in a process, smaps_rollup has a single entry (tagged "[rollup]") for which each field is the sum of the corresponding fields from all the maps in /proc/pid/smaps. - For more details, see the procfs man page. + Additionally, the fields Pss_Anon, Pss_File and Pss_Shmem + are not present in /proc/pid/smaps. These fields represent + the sum of the Pss field of each type (anon, file, shmem). + For more details, see Documentation/filesystems/proc.txt + and the procfs man page. Typical output looks like this: 00100000-ff709000 ---p 00000000 00:00 0 [rollup] + Size: 1192 kB + KernelPageSize: 4 kB + MMUPageSize: 4 kB Rss: 884 kB Pss: 385 kB + Pss_Anon: 301 kB + Pss_File: 80 kB + Pss_Shmem: 4 kB Shared_Clean: 696 kB Shared_Dirty: 0 kB Private_Clean: 120 kB |