linux-kernel - Re: [PATCH net-next 0/6] perf, bpf: add support for bpf in sw/hw perf

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Date:   Mon, 29 Aug 2016 19:27:34 -0700
From:   Brendan Gregg <brendan.d.gregg@...il.com>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     Alexei Starovoitov <ast@...com>,
        "David S . Miller" <davem@...emloft.net>,
        Brendan Gregg <bgregg@...flix.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Arnaldo Carvalho de Melo <acme@...radead.org>,
        Wang Nan <wangnan0@...wei.com>, netdev@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>, kernel-team@...com
Subject: Re: [PATCH net-next 0/6] perf, bpf: add support for bpf in sw/hw perf_events

On Mon, Aug 29, 2016 at 5:19 AM, Peter Zijlstra <peterz@...radead.org> wrote:
>
> On Fri, Aug 26, 2016 at 07:31:18PM -0700, Alexei Starovoitov wrote:
> > Hi Peter, Dave,
> >
> > this patch set is a follow up to the discussion:
> > https://lkml.org/lkml/2016/8/4/304
> > It turned out to be simpler than what we discussed.
> >
> > Patches 1-3 is a bpf-side prep for the main patch 4
> > that adds bpf program as an overflow_handler to sw and hw perf_events.
> > Peter, please review.
> >
> > Patches 5 and 6 are tests/examples from myself and Brendan.
>
> Brendan, so this works for you without extra hacks required?

Yes, thanks for checking, I've done both IP and stack sampling so far with it.

Brendan