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procps: add support for linux namespaces

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Each process in Linux has a /proc/<pid>/ns directory which contains
symbolic links to pipes that identify which namespaces that process
belongs to. This patch adds support for ps to display that information
optionally.

Signed-off-by: Aristeu Rozanski <arozansk@redhat.com>
This commit is contained in:
Aristeu Rozanski
2013-04-08 15:03:13 -04:00
parent fc503b442d
commit a01ee3c0b3
5 changed files with 136 additions and 0 deletions
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ps/ps.1
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@@ -1299,6 +1299,10 @@ format is displayed. (alias
.BR sig_ignore , \ sigignore ).
T}
ipcns IPCNS T{
Unique inode number describing the namespace the process belongs to. See namespaces(7).
T}
label LABEL T{
security label, most commonly used for SELinux context data. This is for
the
@@ -1327,6 +1331,14 @@ min_flt MINFLT T{
The number of minor page faults that have occurred with this process.
T}
mntns MNTNS T{
Unique inode number describing the namespace the process belongs to. See namespaces(7).
T}
netns NETNS T{
Unique inode number describing the namespace the process belongs to. See namespaces(7).
T}
ni NI T{
nice value. This ranges from 19 (nicest) to \-20 (not nice to others),
see
@@ -1391,6 +1403,10 @@ a number representing the process ID (alias
.BR tgid ).
T}
pidns PIDNS T{
Unique inode number describing the namespace the process belongs to. See namespaces(7).
T}
pmem %MEM T{
see
.BR %mem .
@@ -1715,6 +1731,14 @@ see
.BR euser , \ uname ).
T}
userns USERNS T{
Unique inode number describing the namespace the process belongs to. See namespaces(7).
T}
utsns UTSNS T{
Unique inode number describing the namespace the process belongs to. See namespaces(7).
T}
vsize VSZ T{
see
.BR vsz .