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From: "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
To: Steven Rostedt <rostedt@goodmis.org>,
Jiri Olsa <jolsa@kernel.org>
Cc: linux-kernel@vger.kernel.org,
linux-trace-kernel@vger.kernel.org,
mhiramat@kernel.org,
linux-doc@vger.kernel.org,
linux-kselftest@vger.kernel.org
Subject: [PATCH v2 4/7] tracing: Remove redundant #else block for BTF args
from README
Date: Mon, 26 Feb 2024 12:58:33 +0900
Message-Id: <170891991338.609861.6605068606690943019.stgit@devnote2>
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| Series |
tracing/probes: Support function parameter access from return probe
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Commit Message
Masami Hiramatsu (Google)
Feb. 26, 2024, 3:58 a.m. UTC
From: Masami Hiramatsu (Google) <mhiramat@kernel.org> Remove redundant #else block for BTF args from README message. This is a cleanup, so no change on the message. Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> --- kernel/trace/trace.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-)
Comments
On Mon, 26 Feb 2024 12:58:33 +0900 "Masami Hiramatsu (Google)" <mhiramat@kernel.org> wrote: > From: Masami Hiramatsu (Google) <mhiramat@kernel.org> > > Remove redundant #else block for BTF args from README message. > This is a cleanup, so no change on the message. Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org> -- Steve > > Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> > ---
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 8198bfc54b58..516c585f5879 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5747,11 +5747,9 @@ static const char readme_msg[] = "\t args: <name>=fetcharg[:type]\n" "\t fetcharg: (%<register>|$<efield>), @<address>, @<symbol>[+|-<offset>],\n" #ifdef CONFIG_HAVE_FUNCTION_ARG_ACCESS_API -#ifdef CONFIG_PROBE_EVENTS_BTF_ARGS "\t $stack<index>, $stack, $retval, $comm, $arg<N>,\n" +#ifdef CONFIG_PROBE_EVENTS_BTF_ARGS "\t <argname>[->field[->field|.field...]],\n" -#else - "\t $stack<index>, $stack, $retval, $comm, $arg<N>,\n" #endif #else "\t $stack<index>, $stack, $retval, $comm,\n"