On Mon, Nov 14, 2016 at 04:02:30PM +0530, Hari Bathini wrote:
> >> PERF_RECORD_SWITCH_CPU_WIDE = 15,
> >>+ /*
> >>+ * struct {
> >>+ * struct perf_event_header header;
> >>+ *
> >>+ * u32 pid, tid;
> >>+ * u64 time;
> >>+ * u32 uts_ns_inum;
> >>+ * u32 ipc_ns_inum;
> >>+ * u32 mnt_ns_inum;
> >>+ * u32 pid_ns_inum;
> >>+ * u32 net_ns_inum;
> >>+ * u32 cgroup_ns_inum;
> >>+ * u32 user_ns_inum;
> >>+ * struct sample_id sample_id;
> >>+ * };
> >>+ */
> >>+ PERF_RECORD_NAMESPACES = 16,
> >So this format is not extensible, that is, if someone adds yet another
> >namespace, we'll need to introduce PERF_RECORD_NAMESPACES2.
> >
> >Is there a 'natural' and exposed namespace index that we can use to
> >change it like:
> >
> > u32 nr_nss;
> > u32 namespace[nr_nss];
> >
> >?
>
> Nothing of that sort exists, currently.
> Maybe, time to introduce with this patch-set..?
Would be good, but you'll have to sort that with the namespace folks.
