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

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Message-ID: <B72EC7B0-6B8B-4739-87A0-15364D3DE44F@fb.com>
Date:   Mon, 11 Mar 2019 21:01:48 +0000
From:   Song Liu <songliubraving@...com>
To:     Arnaldo Carvalho de Melo <acme@...hat.com>
CC:     "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>,
        "acme@...nel.org" <acme@...nel.org>
Subject: Re: [PATCH v8 perf,bpf 00/15] perf annotation of BPF programs



> 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. 

Thanks,
Song