netdev - Re: [PATCH bpf-next 3/3] selftests/bpf: basic sleepable tests

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Message-ID: <20200528221521.GC217782@google.com>
Date:   Fri, 29 May 2020 00:15:21 +0200
From:   KP Singh <kpsingh@...omium.org>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     davem@...emloft.net, daniel@...earbox.net, netdev@...r.kernel.org,
        bpf@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH bpf-next 3/3] selftests/bpf: basic sleepable tests

On 27-May 22:33, Alexei Starovoitov wrote:
> From: Alexei Starovoitov <ast@...nel.org>
> 
> Modify few tests to sanity test sleepable bpf functionality.
> 
> Signed-off-by: Alexei Starovoitov <ast@...nel.org>

Acked-by: KP Singh <kpsingh@...gle.com>

> ---
>  tools/testing/selftests/bpf/bench.c             |  2 ++
>  .../selftests/bpf/benchs/bench_trigger.c        | 17 +++++++++++++++++
>  tools/testing/selftests/bpf/progs/lsm.c         |  4 ++--
>  .../testing/selftests/bpf/progs/trigger_bench.c |  7 +++++++
>  4 files changed, 28 insertions(+), 2 deletions(-)
> 
> diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c
>  

[...]

> -SEC("lsm/bprm_committed_creds")
> +SEC("lsm.s/bprm_committed_creds")
>  int BPF_PROG(test_void_hook, struct linux_binprm *bprm)
>  {
>  	__u32 pid = bpf_get_current_pid_tgid() >> 32;
> diff --git a/tools/testing/selftests/bpf/progs/trigger_bench.c b/tools/testing/selftests/bpf/progs/trigger_bench.c
> index 8b36b6640e7e..9a4d09590b3d 100644
> --- a/tools/testing/selftests/bpf/progs/trigger_bench.c
> +++ b/tools/testing/selftests/bpf/progs/trigger_bench.c
> @@ -39,6 +39,13 @@ int bench_trigger_fentry(void *ctx)
>  	return 0;
>  }
>  
> +SEC("fentry.s/__x64_sys_getpgid")
> +int bench_trigger_fentry_sleep(void *ctx)
> +{
> +	__sync_add_and_fetch(&hits, 1);
> +	return 0;
> +}
> +
>  SEC("fmod_ret/__x64_sys_getpgid")
>  int bench_trigger_fmodret(void *ctx)
>  {
> -- 
> 2.23.0
>