Em Fri, Feb 24, 2017 at 01:14:18PM +0100, Peter Zijlstra escreveu: > 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 <[email protected]> > > --- > > 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) <[email protected]>
Ok, looking at it now. - Arnaldo
