From: Will Deacon <will@kernel.org>
To: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
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, Heiko Carstens <hca@linux.ibm.com>,
Catalin Marinas <catalin.marinas@arm.com>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Vasily Gorbik <gor@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
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 v18 02/17] fgraph: Replace fgraph_ret_regs with ftrace_regs
Date: Mon, 28 Oct 2024 15:26:04 +0000 [thread overview]
Message-ID: <20241028152603.GC2484@willie-the-truck> (raw)
In-Reply-To: <172991734665.443985.6804196466877471135.stgit@devnote2>
On Sat, Oct 26, 2024 at 01:35:46PM +0900, Masami Hiramatsu (Google) wrote:
> From: Masami Hiramatsu (Google) <mhiramat@kernel.org>
>
> Use ftrace_regs instead of fgraph_ret_regs for tracing return value
> on function_graph tracer because of simplifying the callback interface.
>
> The CONFIG_HAVE_FUNCTION_GRAPH_RETVAL is also replaced by
> CONFIG_HAVE_FUNCTION_GRAPH_FREGS.
>
> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
> Acked-by: Heiko Carstens <hca@linux.ibm.com>
> Cc: Catalin Marinas <catalin.marinas@arm.com>
> Cc: Will Deacon <will@kernel.org>
> Cc: Steven Rostedt <rostedt@goodmis.org>
> Cc: Mark Rutland <mark.rutland@arm.com>
> Cc: Huacai Chen <chenhuacai@kernel.org>
> Cc: WANG Xuerui <kernel@xen0n.name>
> Cc: Paul Walmsley <paul.walmsley@sifive.com>
> Cc: Palmer Dabbelt <palmer@dabbelt.com>
> Cc: Albert Ou <aou@eecs.berkeley.edu>
> Cc: Vasily Gorbik <gor@linux.ibm.com>
> Cc: Alexander Gordeev <agordeev@linux.ibm.com>
> Cc: Heiko Carstens <hca@linux.ibm.com>
> Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
> Cc: Sven Schnelle <svens@linux.ibm.com>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Borislav Petkov <bp@alien8.de>
> Cc: Dave Hansen <dave.hansen@linux.intel.com>
> Cc: x86@kernel.org
> Cc: "H. Peter Anvin" <hpa@zytor.com>
> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
>
> ---
> Changes in v18:
> - Use PTREGS_SIZE instead of redefining FRAME_SIZE on i386.
> Changes in v17:
> - Fixes s390 return_to_handler according to Heiko's advice.
> Changes in v16:
> - According to the recent ftrace_regs.h change, override
> ftrace_regs_get_frame_pointer() if needed.
> - s390: keep stack_frame on stack, just replace fgraph_ret_regs
> with ftrace_regs.
> Changes in v8:
> - Newly added.
> ---
> arch/arm64/Kconfig | 1 +
> arch/arm64/include/asm/ftrace.h | 23 ++++++-----------------
> arch/arm64/kernel/asm-offsets.c | 12 ------------
> arch/arm64/kernel/entry-ftrace.S | 32 ++++++++++++++++++--------------
For the arm64 bits:
Acked-by: Will Deacon <will@kernel.org>
Will
next prev parent reply other threads:[~2024-10-28 15:26 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-26 4:35 [PATCH v18 00/17] tracing: fprobe: function_graph: Multi-function graph and fprobe on fgraph Masami Hiramatsu (Google)
2024-10-26 4:35 ` [PATCH v18 01/17] fgraph: Pass ftrace_regs to entryfunc Masami Hiramatsu (Google)
2024-10-28 15:25 ` Will Deacon
2024-10-31 1:18 ` Masami Hiramatsu
2024-10-31 19:53 ` Steven Rostedt
2024-11-01 1:51 ` Masami Hiramatsu
2024-11-01 10:50 ` Steven Rostedt
2024-11-09 14:24 ` Masami Hiramatsu
2024-11-09 14:47 ` Masami Hiramatsu
2024-10-26 4:35 ` [PATCH v18 02/17] fgraph: Replace fgraph_ret_regs with ftrace_regs Masami Hiramatsu (Google)
2024-10-28 15:26 ` Will Deacon [this message]
2024-10-26 4:36 ` [PATCH v18 03/17] fgraph: Pass ftrace_regs to retfunc Masami Hiramatsu (Google)
2024-10-26 4:36 ` [PATCH v18 04/17] fprobe: Use ftrace_regs in fprobe entry handler Masami Hiramatsu (Google)
2024-10-26 4:36 ` [PATCH v18 05/17] fprobe: Use ftrace_regs in fprobe exit handler Masami Hiramatsu (Google)
2024-10-26 4:36 ` [PATCH v18 06/17] tracing: Add ftrace_partial_regs() for converting ftrace_regs to pt_regs Masami Hiramatsu (Google)
2024-10-28 15:27 ` Will Deacon
2024-10-26 4:36 ` [PATCH v18 07/17] tracing: Add ftrace_fill_perf_regs() for perf event Masami Hiramatsu (Google)
2024-10-26 4:37 ` [PATCH v18 08/17] tracing/fprobe: Enable fprobe events with CONFIG_DYNAMIC_FTRACE_WITH_ARGS Masami Hiramatsu (Google)
2024-10-26 4:37 ` [PATCH v18 09/17] bpf: Enable kprobe_multi feature if CONFIG_FPROBE is enabled Masami Hiramatsu (Google)
2024-10-26 4:37 ` [PATCH v18 10/17] ftrace: Add CONFIG_HAVE_FTRACE_GRAPH_FUNC Masami Hiramatsu (Google)
2024-10-26 4:37 ` [PATCH v18 11/17] fprobe: Rewrite fprobe on function-graph tracer Masami Hiramatsu (Google)
2024-11-01 19:28 ` Steven Rostedt
2024-11-09 14:55 ` Masami Hiramatsu
2024-10-26 4:37 ` [PATCH v18 12/17] fprobe: Add fprobe_header encoding feature Masami Hiramatsu (Google)
2024-11-01 14:22 ` Steven Rostedt
2024-11-09 15:10 ` Masami Hiramatsu
2024-11-12 14:44 ` Steven Rostedt
2024-11-12 23:43 ` Masami Hiramatsu
2024-10-26 4:38 ` [PATCH v18 13/17] tracing/fprobe: Remove nr_maxactive from fprobe Masami Hiramatsu (Google)
2024-10-26 4:38 ` [PATCH v18 14/17] selftests: ftrace: Remove obsolate maxactive syntax check Masami Hiramatsu (Google)
2024-10-26 4:38 ` [PATCH v18 15/17] selftests/ftrace: Add a test case for repeating register/unregister fprobe Masami Hiramatsu (Google)
2024-10-26 4:38 ` [PATCH v18 16/17] Documentation: probes: Update fprobe on function-graph tracer Masami Hiramatsu (Google)
2024-11-01 14:14 ` Steven Rostedt
2024-11-12 23:48 ` Masami Hiramatsu
2024-10-26 4:38 ` [PATCH v18 17/17] bpf: Add get_entry_ip() for arm64 Masami Hiramatsu (Google)
2024-10-28 8:27 ` [PATCH 0/1] s390: enable HAVE_FTRACE_GRAPH_FUNC Sven Schnelle
2024-10-31 1:20 ` Masami Hiramatsu
2024-10-28 8:27 ` [PATCH 1/1] s390/tracing: Enable HAVE_FTRACE_GRAPH_FUNC Sven Schnelle
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20241028152603.GC2484@willie-the-truck \
--to=will@kernel.org \
--cc=agordeev@linux.ibm.com \
--cc=alan.maguire@oracle.com \
--cc=alexei.starovoitov@gmail.com \
--cc=aou@eecs.berkeley.edu \
--cc=ast@kernel.org \
--cc=borntraeger@linux.ibm.com \
--cc=bp@alien8.de \
--cc=bpf@vger.kernel.org \
--cc=catalin.marinas@arm.com \
--cc=chenhuacai@kernel.org \
--cc=dave.hansen@linux.intel.com \
--cc=gor@linux.ibm.com \
--cc=hca@linux.ibm.com \
--cc=hpa@zytor.com \
--cc=jolsa@kernel.org \
--cc=kernel@xen0n.name \
--cc=linux-arch@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=martin.lau@linux.dev \
--cc=mathieu.desnoyers@efficios.com \
--cc=mhiramat@kernel.org \
--cc=mingo@redhat.com \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
--cc=revest@chromium.org \
--cc=rostedt@goodmis.org \
--cc=svens@linux.ibm.com \
--cc=tglx@linutronix.de \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox