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Date:   Wed, 8 Jan 2020 15:18:36 -0800
From:   Petar Penkov <>
To:     Stanislav Fomichev <>
Cc:     Networking <>, bpf <>,, Alexei Starovoitov <>,
        Daniel Borkmann <>
Subject: Re: [PATCH bpf-next] selftests/bpf: restore original comm in test_overhead

On Wed, Jan 8, 2020 at 11:49 AM Stanislav Fomichev <> wrote:
> test_overhead changes task comm in order to estimate BPF trampoline
> overhead but never sets the comm back to the original one.
> We have the tests (like core_reloc.c) that have 'test_progs'
> as hard-coded expected comm, so let's try to preserve the
> original comm.
> Currently, everything works because the order of execution is:
> first core_recloc, then test_overhead; but let's make it a bit
> future-proof.
> Other related changes: use 'test_overhead' as new comm instead of
> 'test' to make it easy to debug and drop '\n' at the end.
> Signed-off-by: Stanislav Fomichev <>

Acked-by: Petar Penkov <>

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