linux-kernel - Re: [PATCH v2 0/5] tracepoints: Add warnings for unused tracepoints and trace events

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Message-ID: <20250612200538.004283c5@batman.local.home>
Date: Thu, 12 Jun 2025 20:05:38 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-trace-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
 llvm@...ts.linux.dev
Cc: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Masami Hiramatsu
 <mhiramat@...nel.org>, Arnd Bergmann <arnd@...db.de>, Masahiro Yamada
 <masahiroy@...nel.org>, Nathan Chancellor <nathan@...nel.org>, Nicolas
 Schier <nicolas.schier@...ux.dev>, Nick Desaulniers
 <nick.desaulniers+lkml@...il.com>, Catalin Marinas
 <catalin.marinas@....com>, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2 0/5] tracepoints: Add warnings for unused tracepoints
 and trace events

On Thu, 12 Jun 2025 19:58:27 -0400
Steven Rostedt <rostedt@...dmis.org> wrote:

> The third patch updates sorttable to work for arm64 when compiled with gcc. As
> gcc's arm64 build doesn't put addresses in their section but saves them off in
> the RELA sections. This mostly takes the work done that was needed to do the
> mcount sorting at boot up on arm64.

FYI, I built this on every architecture with their default config and
every architecture that supports tracing reported unused events. Mostly
they were the same, but depending on the defconfig it gave different
output.

-- Steve