linux-kernel - Re: [PATCHSET 0/8] perf/core: Prepare sample data for BPF (v3)

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Message-ID: <CAM9d7ciwC8h3pKFezQ3tLV3cDKPG4Ef6Ug4Xzjya3HVAR-_uhQ@mail.gmail.com>
Date:   Wed, 18 Jan 2023 14:08:12 -0800
From:   Namhyung Kim <namhyung@...nel.org>
To:     Alexei Starovoitov <alexei.starovoitov@...il.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Jiri Olsa <jolsa@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>, Song Liu <song@...nel.org>,
        bpf@...r.kernel.org
Subject: Re: [PATCHSET 0/8] perf/core: Prepare sample data for BPF (v3)

Hi Alexei,

On Wed, Jan 18, 2023 at 11:43 AM Alexei Starovoitov
<alexei.starovoitov@...il.com> wrote:
>
> On Wed, Jan 18, 2023 at 11:50:37AM +0100, Peter Zijlstra wrote:
> > On Tue, Jan 17, 2023 at 10:05:51PM -0800, Namhyung Kim wrote:
> > > Namhyung Kim (8):
> > >   perf/core: Save the dynamic parts of sample data size
> > >   perf/core: Add perf_sample_save_callchain() helper
> > >   perf/core: Add perf_sample_save_raw_data() helper
> > >   perf/core: Add perf_sample_save_brstack() helper
> > >   perf/core: Set data->sample_flags in perf_prepare_sample()
> > >   perf/core: Do not pass header for sample id init
> > >   perf/core: Introduce perf_prepare_header()
> > >   perf/core: Call perf_prepare_sample() before running BPF
> >
> > Thanks!,
> >
> > Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>
>
> Thanks Peter.
> The patches look good to me as well.
> How do you want to route them bpf-next or tip ?
>
> Namhyung,
> I'd also like to see a follow up patch with a selftest/bpf for this.
>
> BPF CI didn't have a chance to really test the set, since
> there is a build issue on s390 due to llvm upstream repo.
> We're aware and working on that.

Yep, I'll add a test case as soon as it gets the change.

Thanks,
Namhyung