netdev - Re: [PATCH v8 perf,bpf 00/15] perf annotation of BPF programs

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Date:   Mon, 11 Mar 2019 21:08:31 +0000
From:   Song Liu <songliubraving@...com>
To:     Arnaldo Carvalho de Melo <arnaldo.melo@...il.com>
CC:     Arnaldo Carvalho de Melo <acme@...hat.com>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "ast@...nel.org" <ast@...nel.org>,
        "daniel@...earbox.net" <daniel@...earbox.net>,
        Kernel Team <Kernel-team@...com>,
        "peterz@...radead.org" <peterz@...radead.org>,
        "jolsa@...nel.org" <jolsa@...nel.org>,
        "namhyung@...nel.org" <namhyung@...nel.org>,
        "sdf@...ichev.me" <sdf@...ichev.me>
Subject: Re: [PATCH v8 perf,bpf 00/15] perf annotation of BPF programs



> On Mar 11, 2019, at 2:05 PM, Arnaldo Carvalho de Melo <arnaldo.melo@...il.com> wrote:
> 
> Em Mon, Mar 11, 2019 at 09:01:48PM +0000, Song Liu escreveu:
>> 
>> 
>>> On Mar 11, 2019, at 1:24 PM, Arnaldo Carvalho de Melo <acme@...hat.com> wrote:
>>> 
>>> Em Mon, Mar 11, 2019 at 12:55:40PM -0700, Song Liu escreveu:
>>>> ===================== Note on patch dependency  ========================
>>>> This set has dependency in both bpf-next tree and tip/perf/core. Current
>>>> version is developed on bpf-next tree with the following commits
>>>> cherry-picked from tip/perf/core (or acme/perf/core):
>>>> 
>>>> (from 1/11 to 11/11)
>>>> commit 76193a94522f ("perf, bpf: Introduce PERF_RECORD_KSYMBOL")
>>>> commit d764ac646491 ("tools headers uapi: Sync tools/include/uapi/linux/perf_event.h")
>>>> commit 6ee52e2a3fe4 ("perf, bpf: Introduce PERF_RECORD_BPF_EVENT")
>>>> commit df063c83aa2c ("tools headers uapi: Sync tools/include/uapi/linux/perf_event.h")
>>>> commit 9aa0bfa370b2 ("perf tools: Handle PERF_RECORD_KSYMBOL")
>>>> commit 45178a928a4b ("perf tools: Handle PERF_RECORD_BPF_EVENT")
>>>> commit 7b612e291a5a ("perf tools: Synthesize PERF_RECORD_* for loaded BPF programs")
>>>> commit a40b95bcd30c ("perf top: Synthesize BPF events for pre-existing loaded BPF programs")
>>>> commit 6934058d9fb6 ("bpf: Add module name [bpf] to ksymbols for bpf programs")
>>>> commit 811184fb6977 ("perf bpf: Fix synthesized PERF_RECORD_KSYMBOL/BPF_EVENT")
>>>> comimt 94816add0005 ("perf tools: Add perf_exe() helper to find perf binary")
>>>> ========================================================================
>>> 
>>> These csets are already upstream, i.e. already hit torvalds/master, i.e.
>>> will be in 5.1, can you check that we still need doing this
>>> cherry-picking?
>>> 
>>> - Arnaldo
>> 
>> I just checked that 02-15 of the set could apply to torvalds/master (with 
>> some minor conflicts), and it works as expected. 
> 
> So no need to cherrypick, just use torvalds/master as a base, ok.
> 
> - Arnaldo

Do you want me to resend the set with the conflict resolved? 

Thanks,
Song