[PATCHv3 0/2] ns, procfs: pid conversion between ns and showing pidns hierarchy

Chen Hanxiao
2014-09-24T10:00:12Z

This series will expose pid inside containers
via procfs.
Also show the hierarchy of pid namespcae.
Then we could know how pid looks inside a container
and their ns relationships.

v3: fix a race issue and memory leak issue
in pidns_hierarchy.
v2: use a procfs text file instead of dirs
to show the hierarchy of pid namespace

Chen Hanxiao (2):
procfs: show hierarchy of pid namespace
/proc/PID/status: show all sets of pid according to ns

fs/proc/Kconfig | 6 ++
fs/proc/Makefile | 1 +
fs/proc/array.c | 17 ++++
fs/proc/pidns_hierarchy.c | 227 ++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 251 insertions(+)
create mode 100644 fs/proc/pidns_hierarchy.c

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1.9.0