From: Heiko Carstens <hca@linux.ibm.com>
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, Sven Schnelle <svens@linux.ibm.com>
Subject: Re: [PATCH v19 11/19] s390/tracing: Enable HAVE_FTRACE_GRAPH_FUNC
Date: Sun, 10 Nov 2024 18:05:24 +0100 [thread overview]
Message-ID: <20241110170524.6661-C-hca@linux.ibm.com> (raw)
In-Reply-To: <173125385879.172790.60734156759309440.stgit@devnote2>
On Mon, Nov 11, 2024 at 12:50:58AM +0900, Masami Hiramatsu (Google) wrote:
> From: Sven Schnelle <svens@linux.ibm.com>
>
> Add ftrace_graph_func() which is required for fprobe to access registers.
> This also eliminates the need for calling prepare_ftrace_return() from
> ftrace_caller().
>
> Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
> ---
> Changes in v19:
> - Newly added.
> ---
> arch/s390/Kconfig | 1 +
> arch/s390/include/asm/ftrace.h | 5 ++++
> arch/s390/kernel/entry.h | 1 -
> arch/s390/kernel/ftrace.c | 48 ++++++++++++----------------------------
> arch/s390/kernel/mcount.S | 11 ---------
> 5 files changed, 20 insertions(+), 46 deletions(-)
Acked-by: Heiko Carstens <hca@linux.ibm.com>
next prev parent reply other threads:[~2024-11-10 17:05 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-11-10 15:48 [PATCH v19 00/19] tracing: fprobe: function_graph: Multi-function graph and fprobe on fgraph Masami Hiramatsu (Google)
2024-11-10 15:48 ` [PATCH v19 01/19] fgraph: Pass ftrace_regs to entryfunc Masami Hiramatsu (Google)
2024-11-10 15:49 ` [PATCH v19 02/19] fgraph: Replace fgraph_ret_regs with ftrace_regs Masami Hiramatsu (Google)
2024-11-10 15:49 ` [PATCH v19 03/19] fgraph: Pass ftrace_regs to retfunc Masami Hiramatsu (Google)
2024-11-10 15:49 ` [PATCH v19 04/19] fprobe: Use ftrace_regs in fprobe entry handler Masami Hiramatsu (Google)
2024-11-10 15:49 ` [PATCH v19 05/19] fprobe: Use ftrace_regs in fprobe exit handler Masami Hiramatsu (Google)
2024-11-10 17:04 ` Heiko Carstens
2024-11-10 15:49 ` [PATCH v19 06/19] tracing: Add ftrace_partial_regs() for converting ftrace_regs to pt_regs Masami Hiramatsu (Google)
2024-11-10 15:50 ` [PATCH v19 07/19] tracing: Add ftrace_fill_perf_regs() for perf event Masami Hiramatsu (Google)
2024-11-10 17:05 ` Heiko Carstens
2024-11-10 15:50 ` [PATCH v19 08/19] tracing/fprobe: Enable fprobe events with CONFIG_DYNAMIC_FTRACE_WITH_ARGS Masami Hiramatsu (Google)
2024-11-10 15:50 ` [PATCH v19 09/19] bpf: Enable kprobe_multi feature if CONFIG_FPROBE is enabled Masami Hiramatsu (Google)
2024-11-10 15:50 ` [PATCH v19 10/19] ftrace: Add CONFIG_HAVE_FTRACE_GRAPH_FUNC Masami Hiramatsu (Google)
2024-11-10 15:50 ` [PATCH v19 11/19] s390/tracing: Enable HAVE_FTRACE_GRAPH_FUNC Masami Hiramatsu (Google)
2024-11-10 17:05 ` Heiko Carstens [this message]
2024-11-10 15:51 ` [PATCH v19 12/19] fprobe: Rewrite fprobe on function-graph tracer Masami Hiramatsu (Google)
2024-11-10 17:07 ` Heiko Carstens
2024-12-05 18:34 ` Steven Rostedt
2024-12-05 23:09 ` Masami Hiramatsu
2024-11-10 15:51 ` [PATCH v19 13/19] fprobe: Add fprobe_header encoding feature Masami Hiramatsu (Google)
2024-11-10 17:16 ` Heiko Carstens
2024-11-10 15:51 ` [PATCH v19 14/19] tracing/fprobe: Remove nr_maxactive from fprobe Masami Hiramatsu (Google)
2024-11-10 15:51 ` [PATCH v19 15/19] selftests: ftrace: Remove obsolate maxactive syntax check Masami Hiramatsu (Google)
2024-11-10 15:52 ` [PATCH v19 16/19] selftests/ftrace: Add a test case for repeating register/unregister fprobe Masami Hiramatsu (Google)
2024-11-10 15:52 ` [PATCH v19 17/19] Documentation: probes: Update fprobe on function-graph tracer Masami Hiramatsu (Google)
2024-11-13 0:42 ` [PATCH 19.1] " Masami Hiramatsu (Google)
2024-11-10 15:52 ` [PATCH v19 18/19] ftrace: Add ftrace_get_symaddr to convert fentry_ip to symaddr Masami Hiramatsu (Google)
2024-12-09 8:05 ` Masami Hiramatsu
2024-11-10 15:52 ` [PATCH v19 19/19] bpf: Use ftrace_get_symaddr() in get_entry_ip() Masami Hiramatsu (Google)
2024-12-09 9:29 ` Masami Hiramatsu
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