From: Steven Rostedt <rostedt@goodmis.org>
To: Alexei Starovoitov <ast@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
davem@davemloft.net, daniel@iogearbox.net,
torvalds@linux-foundation.org, peterz@infradead.org,
mathieu.desnoyers@efficios.com, netdev@vger.kernel.org,
kernel-team@fb.com, linux-api@vger.kernel.org
Subject: Re: [PATCH v8 bpf-next 6/9] bpf: introduce BPF_RAW_TRACEPOINT
Date: Wed, 28 Mar 2018 15:40:27 -0400 [thread overview]
Message-ID: <20180328154027.569206ba@gandalf.local.home> (raw)
In-Reply-To: <2a0f6ac2-b13e-b8ad-31b4-a42909a34efa@fb.com>
On Wed, 28 Mar 2018 12:38:48 -0700
Alexei Starovoitov <ast@fb.com> wrote:
> On 3/28/18 12:34 PM, Steven Rostedt wrote:
> > On Wed, 28 Mar 2018 12:05:37 -0700
> > Alexei Starovoitov <ast@kernel.org> wrote:
> >
> >> +++ b/include/linux/tracepoint-defs.h
> >> @@ -35,4 +35,10 @@ struct tracepoint {
> >> struct tracepoint_func __rcu *funcs;
> >> };
> >>
> >> +struct bpf_raw_event_map {
> >> + struct tracepoint *tp;
> >> + void *bpf_func;
> >> + u32 num_args;
> >> +} __aligned(32);
> >> +
> >
> > If you prefer v7, I'm fine with that. For cache issues, I can pull out
> > the funcs from the tracepoint structure like I posted.
>
> I very much prefer to land this v8 as-is and optimize later.
>
> I still have bpfilter/microkernel patches to finish which were
> practically ready two weeks ago and got delayed but this set.
Then by all means, you have my Ack. We can optimize later.
For the whole series... (v7 or v8)
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Thanks!
-- Steve
next prev parent reply other threads:[~2018-03-28 19:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-28 19:05 [PATCH v8 bpf-next 0/9] bpf, tracing: introduce bpf raw tracepoints Alexei Starovoitov
2018-03-28 19:05 ` [PATCH v8 bpf-next 1/9] treewide: remove large struct-pass-by-value from tracepoint arguments Alexei Starovoitov
2018-03-28 19:05 ` [PATCH v8 bpf-next 2/9] net/mediatek: disambiguate mt76 vs mt7601u trace events Alexei Starovoitov
2018-03-28 19:05 ` [PATCH v8 bpf-next 3/9] net/mac802154: disambiguate mac80215 vs mac802154 " Alexei Starovoitov
2018-03-28 19:05 ` [PATCH v8 bpf-next 4/9] net/wireless/iwlwifi: fix iwlwifi_dev_ucode_error tracepoint Alexei Starovoitov
[not found] ` <20180328190540.370956-5-ast-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2018-05-23 11:03 ` [v8, bpf-next, " Johannes Berg
[not found] ` <1527073388.3759.21.camel-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
2018-05-24 23:28 ` Alexei Starovoitov
2018-05-24 23:39 ` Steven Rostedt
2018-05-25 10:48 ` Kalle Valo
2018-03-28 19:05 ` [PATCH v8 bpf-next 5/9] macro: introduce COUNT_ARGS() macro Alexei Starovoitov
2018-03-28 19:05 ` [PATCH v8 bpf-next 6/9] bpf: introduce BPF_RAW_TRACEPOINT Alexei Starovoitov
2018-03-28 19:34 ` Steven Rostedt
2018-03-28 19:38 ` Alexei Starovoitov
2018-03-28 19:40 ` Steven Rostedt [this message]
2018-03-28 19:48 ` Mathieu Desnoyers
2018-03-28 19:05 ` [PATCH v8 bpf-next 7/9] libbpf: add bpf_raw_tracepoint_open helper Alexei Starovoitov
2018-03-28 19:05 ` [PATCH v8 bpf-next 8/9] samples/bpf: raw tracepoint test Alexei Starovoitov
2018-03-28 19:05 ` [PATCH v8 bpf-next 9/9] selftests/bpf: test for bpf_get_stackid() from raw tracepoints Alexei Starovoitov
2018-03-28 23:59 ` [PATCH v8 bpf-next 0/9] bpf, tracing: introduce bpf " Daniel Borkmann
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