Messages in this thread | | | Date | Tue, 10 May 2022 08:54:26 -1000 | From | Tejun Heo <> | Subject | Re: [RFC PATCH bpf-next 8/9] bpf: Introduce cgroup iter |
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Hello,
On Tue, May 10, 2022 at 12:18:06AM +0000, Yosry Ahmed wrote: > From: Hao Luo <haoluo@google.com> > > Introduce a new type of iter prog: cgroup. Unlike other bpf_iter, this > iter doesn't iterate a set of kernel objects. Instead, it is supposed to > be parameterized by a cgroup id and prints only that cgroup. So one > needs to specify a target cgroup id when attaching this iter. The target > cgroup's state can be read out via a link of this iter.
Is there a reason why this can't be a proper iterator which supports lseek64() to locate a specific cgroup?
Thanks.
-- tejun
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