From: Steven Rostedt <rostedt@goodmis.org>
To: Jiri Olsa <jolsa@redhat.com>
Cc: bpf@vger.kernel.org, linux-kernel@vger.kernel.org,
Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andriin@fb.com>
Subject: Re: [PATCH 7/8] ftrace: Add multi direct modify interface
Date: Thu, 16 Sep 2021 16:41:58 -0400 [thread overview]
Message-ID: <20210916164131.632aec22@gandalf.local.home> (raw)
In-Reply-To: <YUOf0Wt3+2r9HH6A@krava>
On Thu, 16 Sep 2021 21:49:37 +0200
Jiri Olsa <jolsa@redhat.com> wrote:
> > I'm curious to what the use case is for the multi direct modify interface
> > is?
>
> when the trampoline is re-generated by adding or removing program,
> we have same functions to trace and new trampoline to attach
>
Then it probably doesn't matter for the slight delay in synchronization.
-- Steve
next prev parent reply other threads:[~2021-09-16 20:42 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-31 9:50 [PATCH 0/8] x86/ftrace: Add direct batch interface 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 [this message]
2021-08-31 9:50 ` [PATCH 8/8] ftrace/samples: Add multi direct interface test module Jiri Olsa
2021-09-01 15:23 ` [PATCH 0/8] x86/ftrace: Add direct batch interface Alexei Starovoitov
2021-09-01 19:06 ` Jiri Olsa
2021-09-02 14:54 ` Steven Rostedt
2021-10-08 9:13 [PATCHv2 " Jiri Olsa
2021-10-08 9:13 ` [PATCH 7/8] ftrace: Add multi direct modify interface Jiri Olsa
2021-10-14 20:28 ` Steven Rostedt
2021-10-15 12:05 ` Jiri Olsa
2021-10-15 14:05 ` Steven Rostedt
2021-10-16 11:39 ` Jiri Olsa
2021-10-19 2:10 ` Steven Rostedt
2021-10-19 13:19 ` Jiri Olsa
2021-10-19 13:26 ` Jiri Olsa
2021-10-19 13:32 ` Steven Rostedt
2021-10-19 14:03 ` Jiri Olsa
2021-10-19 14:44 ` Steven Rostedt
2021-10-19 14:47 ` Jiri Olsa
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