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From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Eelco Chaudron <echaudro@redhat.com>
Cc: Xdp <xdp-newbies@vger.kernel.org>, bpf <bpf@vger.kernel.org>
Subject: Re: Trying the bpf trace a bpf xdp program
Date: Thu, 28 Nov 2019 10:18:18 -0800
Message-ID: <CAADnVQKkLtG-QCZwxx-Bpz8-goh-_mSTtUSzpb_oTv9a-qLizg@mail.gmail.com> (raw)
In-Reply-To: <E53E0693-1C3A-4B47-B205-DC8E5DAF3619@redhat.com>

On Thu, Nov 28, 2019 at 9:20 AM Eelco Chaudron <echaudro@redhat.com> wrote:
>
> Trying out the BPF trace to trace a BPF program, but I’m already
> getting stuck loading the object with the fexit  :(

I can take a look after holidays.

> libbpf: load bpf program failed: Argument list too long
> libbpf: failed to load program 'fexit/xdp_prog_simple'
> libbpf: failed to load object './xdp_sample_fentry_fexit_kern.o'
> ERROR: Failed to load object file: Operation not permitted

please add -vvv and share full output.

       reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E53E0693-1C3A-4B47-B205-DC8E5DAF3619@redhat.com>
2019-11-28 18:18 ` Alexei Starovoitov [this message]
2019-11-28 19:16   ` Eelco Chaudron
2019-11-28 19:47     ` Alexei Starovoitov
2019-11-29 16:30       ` Eelco Chaudron
2019-11-29 16:52         ` Yonghong Song
2019-12-02 16:34           ` Eelco Chaudron
2019-12-02 16:48             ` Yonghong Song
2019-12-04 13:19               ` Eelco Chaudron
2019-12-04 14:58                 ` Yonghong Song
2019-12-04 18:01                   ` Yonghong Song
2019-12-04 18:52                     ` Eelco Chaudron
2019-12-05 12:40                       ` Eelco Chaudron
2019-12-05 17:35                         ` Y Song
2019-12-06 13:04                           ` Eelco Chaudron
2019-12-07 16:51                             ` Alexei Starovoitov
2019-12-19 11:06                               ` Eelco Chaudron
2019-12-04 16:31                 ` Andrii Nakryiko
2019-12-04 18:03                   ` John Fastabend
2019-12-04 21:19                     ` Andrii Nakryiko

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