On Tue, Feb 21, 2017 at 07:31:23PM +0530, Hari Bathini wrote: > With the advert of container technologies like docker, that depend > on namespaces for isolation, there is a need for tracing support for > namespaces. This patch introduces new PERF_RECORD_NAMESPACES event > for recording namespaces related info. By recording info for every > namespace, it is left to userspace to take a call on the definition > of a container and trace containers by updating perf tool accordingly. > > Each namespace has a combination of device and inode numbers. Though > every namespace has the same device number currently, that may change > in future to avoid the need for a namespace of namespaces. Considering > such possibility, record both device and inode numbers separately for > each namespace. > > Signed-off-by: Hari Bathini <hbath...@linux.vnet.ibm.com> > --- > include/linux/perf_event.h | 2 + > include/uapi/linux/perf_event.h | 32 +++++++++ > kernel/events/core.c | 139 > +++++++++++++++++++++++++++++++++++++++ > kernel/fork.c | 2 + > kernel/nsproxy.c | 3 + > 5 files changed, 177 insertions(+), 1 deletion(-)
Arnaldo, seeing that most of this patch set is tool stuff, could you take the lot through the tool tree? This patch: Acked-by: Peter Zijlstra (Intel) <pet...@infradead.org>
