From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Florent Revest <revest@chromium.org>,
linux-trace-kernel@vger.kernel.org,
LKML <linux-kernel@vger.kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
bpf <bpf@vger.kernel.org>, Alexei Starovoitov <ast@kernel.org>,
Jiri Olsa <jolsa@kernel.org>,
Alan Maguire <alan.maguire@oracle.com>,
Mark Rutland <mark.rutland@arm.com>,
linux-arch@vger.kernel.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Naveen N Rao <naveen@kernel.org>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Subject: Re: [PATCH v17 01/16] function_graph: Pass ftrace_regs to entryfunc
Date: Thu, 17 Oct 2024 07:15:16 +0900 [thread overview]
Message-ID: <20241017071516.684c8cf6490f26a42065994d@kernel.org> (raw)
In-Reply-To: <20241016095325.34176fc9@gandalf.local.home>
On Wed, 16 Oct 2024 09:53:25 -0400
Steven Rostedt <rostedt@goodmis.org> wrote:
> On Wed, 16 Oct 2024 09:57:55 +0900
> "Masami Hiramatsu (Google)" <mhiramat@kernel.org> wrote:
>
> > From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
> >
> > Pass ftrace_regs to the fgraph_ops::entryfunc(). If ftrace_regs is not
> > available, it passes a NULL instead. User callback function can access
> > some registers (including return address) via this ftrace_regs.
>
> BTW, you can use "fgraph:" for short. It makes the subject easier to read.
> I've been using that instead of "function_graph:" lately.
OK, I'll use it in the next version.
Thank you,
>
> -- Steve
--
Masami Hiramatsu (Google) <mhiramat@kernel.org>
next prev parent reply other threads:[~2024-10-16 22:15 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-16 0:57 [PATCH v17 00/16] tracing: fprobe: function_graph: Multi-function graph and fprobe on fgraph Masami Hiramatsu (Google)
2024-10-16 0:57 ` [PATCH v17 01/16] function_graph: Pass ftrace_regs to entryfunc Masami Hiramatsu (Google)
2024-10-16 13:53 ` Steven Rostedt
2024-10-16 22:15 ` Masami Hiramatsu [this message]
2024-10-21 17:03 ` Will Deacon
2024-10-22 22:55 ` Masami Hiramatsu
2024-10-16 0:58 ` [PATCH v17 02/16] function_graph: Replace fgraph_ret_regs with ftrace_regs Masami Hiramatsu (Google)
2024-10-21 16:46 ` Will Deacon
2024-10-23 8:58 ` Masami Hiramatsu
2024-10-16 0:58 ` [PATCH v17 03/16] function_graph: Pass ftrace_regs to retfunc Masami Hiramatsu (Google)
2024-10-16 0:58 ` [PATCH v17 04/16] fprobe: Use ftrace_regs in fprobe entry handler Masami Hiramatsu (Google)
2024-10-16 0:58 ` [PATCH v17 05/16] fprobe: Use ftrace_regs in fprobe exit handler Masami Hiramatsu (Google)
2024-10-16 0:59 ` [PATCH v17 06/16] tracing: Add ftrace_partial_regs() for converting ftrace_regs to pt_regs Masami Hiramatsu (Google)
2024-10-21 16:46 ` Will Deacon
2024-10-23 8:57 ` Masami Hiramatsu
2024-10-16 0:59 ` [PATCH v17 07/16] tracing: Add ftrace_fill_perf_regs() for perf event Masami Hiramatsu (Google)
2024-10-21 17:01 ` Will Deacon
2024-10-23 8:58 ` Masami Hiramatsu
2024-10-16 0:59 ` [PATCH v17 08/16] tracing/fprobe: Enable fprobe events with CONFIG_DYNAMIC_FTRACE_WITH_ARGS Masami Hiramatsu (Google)
2024-10-16 0:59 ` [PATCH v17 09/16] bpf: Enable kprobe_multi feature if CONFIG_FPROBE is enabled Masami Hiramatsu (Google)
2024-10-16 0:59 ` [PATCH v17 10/16] ftrace: Add CONFIG_HAVE_FTRACE_GRAPH_FUNC Masami Hiramatsu (Google)
2024-10-16 1:00 ` [PATCH v17 11/16] fprobe: Rewrite fprobe on function-graph tracer Masami Hiramatsu (Google)
2024-10-16 12:07 ` Sven Schnelle
2024-10-16 14:10 ` Steven Rostedt
2024-10-16 18:13 ` Sven Schnelle
2024-10-17 21:10 ` Steven Rostedt
2024-10-18 12:49 ` Heiko Carstens
2024-10-21 15:15 ` Masami Hiramatsu
2024-10-21 16:31 ` Heiko Carstens
2024-10-22 9:00 ` Masami Hiramatsu
2024-10-16 14:46 ` Masami Hiramatsu
2024-10-16 18:14 ` Sven Schnelle
2024-10-18 0:45 ` Masami Hiramatsu
2024-10-16 1:00 ` [PATCH v17 12/16] tracing/fprobe: Remove nr_maxactive from fprobe Masami Hiramatsu (Google)
2024-10-16 1:00 ` [PATCH v17 13/16] selftests: ftrace: Remove obsolate maxactive syntax check Masami Hiramatsu (Google)
2024-10-16 1:00 ` [PATCH v17 14/16] selftests/ftrace: Add a test case for repeating register/unregister fprobe Masami Hiramatsu (Google)
2024-10-16 1:00 ` [PATCH v17 15/16] Documentation: probes: Update fprobe on function-graph tracer Masami Hiramatsu (Google)
2024-10-16 1:01 ` [PATCH v17 16/16] bpf: Add get_entry_ip() for arm64 Masami Hiramatsu (Google)
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