linux-kernel - Re: [PATCH 03/15] perf: Add build id data in mmap2 event

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Message-ID: <20201225223507.GA364667@krava>
Date:   Fri, 25 Dec 2020 23:35:07 +0100
From:   Jiri Olsa <jolsa@...hat.com>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Alexei Starovoitov <alexei.starovoitov@...il.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        lkml <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Ingo Molnar <mingo@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Michael Petlan <mpetlan@...hat.com>,
        Song Liu <songliubraving@...com>,
        Ian Rogers <irogers@...gle.com>,
        Stephane Eranian <eranian@...gle.com>,
        Alexei Budankov <abudankov@...wei.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Adrian Hunter <adrian.hunter@...el.com>
Subject: Re: [PATCH 03/15] perf: Add build id data in mmap2 event

On Tue, Dec 15, 2020 at 11:01:51PM +0100, Daniel Borkmann wrote:
> Hey Arnaldo,
> 
> On 12/15/20 4:52 PM, Arnaldo Carvalho de Melo wrote:
> > Em Mon, Dec 14, 2020 at 11:54:45AM +0100, Jiri Olsa escreveu:
> > > Adding support to carry build id data in mmap2 event.
> > > 
> > > The build id data replaces maj/min/ino/ino_generation
> > > fields, which are also used to identify map's binary,
> > > so it's ok to replace them with build id data:
> > > 
> > >    union {
> > >            struct {
> > >                    u32       maj;
> > >                    u32       min;
> > >                    u64       ino;
> > >                    u64       ino_generation;
> > >            };
> > >            struct {
> > >                    u8        build_id_size;
> > >                    u8        __reserved_1;
> > >                    u16       __reserved_2;
> > >                    u8        build_id[20];
> > >            };
> > >    };
> > 
> > Alexei/Daniel, this one depends on BPFs build id routines to be exported
> > for use by the perf kernel subsys, PeterZ already acked this, so can you
> > guys consider getting the first three patches in this series via the bpf
> > tree?
> > 
> > The BPF bits were acked by Song.
> 
> All the net-next and therefore also bpf-next bits for 5.11 were just merged
> by Linus into his tree. If you need the first 3 from [0] to land for this merge
> window, it's probably easiest if you take them in and send them via perf tree
> directly in case you didn't send out a pull-req yet.. (alternatively I'll ping
> David/Jakub if they plan to make a 2nd net-next pull-req end of this week).
> 
> Thanks,
> Daniel
> 
>  [0] https://lore.kernel.org/lkml/20201214105457.543111-1-jolsa@kernel.org/
> 

hi,
I don't see them (first 3 from [0]) in any tree so far ;-) please let
me know if there's anything I can do from my side to get this merged

thanks,
jirka


[0] https://lore.kernel.org/lkml/20201214105457.543111-1-jolsa@kernel.org/