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SubjectRe: [PATCH bpf-next 4/4] bpf: export bpf_jit_current
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On Mon, Sep 27, 2021 at 03:34 PM CEST, Daniel Borkmann wrote:
> On 9/24/21 11:55 AM, Lorenz Bauer wrote:
>> Expose bpf_jit_current as a read only value via sysctl.
>> Signed-off-by: Lorenz Bauer <lmb@cloudflare.com>
>> ---

I find exposing stats via system configuration variables a bit
unexpected. Not sure if there is any example today that we're following.

Maybe an entry under /sys/kernel/debug would be a better fit?

That way we don't have to commit to a sysctl that might go away if we
start charging JIT allocs against memory cgroup quota.

Although that brings up question against which cgroup iptables xt_bpf
allocations should be charged? Root cgroup?

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