package proc-smaps
Proc-smaps: An ocaml parser of /proc/[pid]/smaps
Install
Dune Dependency
Authors
Maintainers
Sources
proc-smaps-0.2.0.tar.bz2
md5=a1762a6b8d3799fdf1cba87edb969491
sha512=85fae795629ee0965f7e8ce48ed4e707a2d235337ef52cfabb50118046ab399de1ac0550a8b41fd9d4b274b5484af97c58854d1d0adcbb8fb07f3f89533090cf
README.md.html
Proc-smaps
An ocaml parser of '/proc/self/smaps' (See /proc/[pid]/smaps
section in man proc
for details).
Specification
proc-smaps
parses mappings. A mapping is such as below.
00400000-0048a000 r-xp 00000000 fd:03 960637 /bin/bash
Size: 552 kB
KernelPageSize: 4 kB
:
ProtectionKey: 0
VmFlags: rd ex mr mw me dw
A mapping corresponds to Smaps.t
. Smaps.get_smaps <pid>
returns Smaps.t list Result.t Lwt.t
. When mapping : Smaps.t
is derived from this mapping, mapping.pathname
is "/bin/bash"
, mapping.perms
is 0b10101
(each bits represent 'rwxsp') and Smaps.get_size_exn mapping "Size"
is 552 : uint64
.
Device and fields that does not include byte size such as ProtectionKey, VmFlags are not supported now.
Example
# let smaps = Smaps.get_self_smaps ()
|> Lwt_main.run
|> Result.get_ok;;
val smaps : Smaps.t list = ...
# (Stdint.Uint64.to_string @@ Smaps.sum_rss smaps) ^ " KB"
- : string = "19640 KB"
# Smaps.get_pathname (List.hd smaps);;
- : string = "[vdso]"
# List.map (fun x -> Stdint.Uint64.to_int (Smaps.get_size_exn x Smaps.Fields.pss)) smaps;;
- : int list = ...
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