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From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Jiri Olsa <jolsa@redhat.com>
Cc: "Steven Rostedt (VMware)" <rostedt@goodmis.org>,
	bpf <bpf@vger.kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andriin@fb.com>
Subject: Re: [PATCH 0/8] x86/ftrace: Add direct batch interface
Date: Wed, 1 Sep 2021 08:23:38 -0700	[thread overview]
Message-ID: <CAADnVQK6kLef54iCufsJay0SnsTLk1Ta-RmnhZnGk7TqJCWUJQ@mail.gmail.com> (raw)
In-Reply-To: <20210831095017.412311-1-jolsa@kernel.org>

On Tue, Aug 31, 2021 at 2:50 AM Jiri Olsa <jolsa@redhat.com> wrote:
>
> hi,
> adding interface to maintain multiple direct functions
> within single calls. It's a base for follow up bpf batch
> attach functionality.
>
> New interface:
>
>   int register_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
>   int unregister_ftrace_direct_multi(struct ftrace_ops *ops)
>   int modify_ftrace_direct_multi(struct ftrace_ops *ops, unsigned long addr)
>
> that allows to register/unregister/modify direct function 'addr'
> with struct ftrace_ops object. The ops filter can be updated
> before with ftrace_set_filter_ip calls
>
>   1) patches (1-4) that fix the ftrace graph tracing over the function
>      with direct trampolines attached
>   2) patches (5-8) that add batch interface for ftrace direct function
>      register/unregister/modify
>
> Also available at (based on Steven's ftrace/core branch):
>   https://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
>   ftrace/direct

Steven,

Could you review and merge this set for this merge window,
so we can process related bpf bits for the next cycle?

  parent reply	other threads:[~2021-09-01 15:23 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-31  9:50 Jiri Olsa
2021-08-31  9:50 ` [PATCH 1/8] x86/ftrace: Remove extra orig rax move Jiri Olsa
2021-08-31  9:50 ` [PATCH 2/8] x86/ftrace: Remove fault protection code in prepare_ftrace_return Jiri Olsa
2021-08-31  9:50 ` [PATCH 3/8] x86/ftrace: Make function graph use ftrace directly Jiri Olsa
2021-08-31  9:50 ` [PATCH 4/8] tracing: Add trampoline/graph selftest Jiri Olsa
2021-08-31  9:50 ` [PATCH 5/8] ftrace: Add ftrace_add_rec_direct function Jiri Olsa
2021-08-31  9:50 ` [PATCH 6/8] ftrace: Add multi direct register/unregister interface Jiri Olsa
2021-09-14 21:35   ` Steven Rostedt
2021-09-16 19:45     ` Jiri Olsa
2021-08-31  9:50 ` [PATCH 7/8] ftrace: Add multi direct modify interface Jiri Olsa
2021-09-14 21:41   ` Steven Rostedt
2021-09-15 21:47     ` Steven Rostedt
2021-09-16 19:49       ` Jiri Olsa
2021-09-16 20:41         ` Steven Rostedt
2021-08-31  9:50 ` [PATCH 8/8] ftrace/samples: Add multi direct interface test module Jiri Olsa
2021-09-01 15:23 ` Alexei Starovoitov [this message]
2021-09-01 19:06   ` [PATCH 0/8] x86/ftrace: Add direct batch interface Jiri Olsa
2021-09-02 14:54     ` Steven Rostedt

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