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Diffstat (limited to 'Documentation/ABI/testing/procfs-smaps_rollup')
| -rw-r--r-- | Documentation/ABI/testing/procfs-smaps_rollup | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/procfs-smaps_rollup b/Documentation/ABI/testing/procfs-smaps_rollup new file mode 100644 index 000000000..b446a7154 --- /dev/null +++ b/Documentation/ABI/testing/procfs-smaps_rollup @@ -0,0 +1,42 @@ +What: /proc/pid/smaps_rollup +Date: August 2017 +Contact: Daniel Colascione <dancol@google.com> +Description: + This file provides pre-summed memory information for a + 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. + 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.rst + 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_Dirty: 68 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 + Private_Dirty: 68 kB + Referenced: 884 kB + Anonymous: 68 kB + LazyFree: 0 kB + AnonHugePages: 0 kB + ShmemPmdMapped: 0 kB + Shared_Hugetlb: 0 kB + Private_Hugetlb: 0 kB + Swap: 0 kB + SwapPss: 0 kB + Locked: 385 kB |