From nobody Mon Oct 6 04:55:22 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9F28C2ECD34 for ; Fri, 25 Jul 2025 12:42:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753447326; cv=none; b=Fmu5lw01WFVRGAq1hJqBUuRam6wKSxSmR5axK2Ea98JvuAvNyfLB6fer+NUIxycFDQ0fO1Qho/R04UbtBd0BwWDNgjUx1Lt8KkIsGbIJ5y1jd6/eIfbeGpO0GXkWPnG51nDpzWqiT2WaOuUjfjoHH4hubTkv9Q1FSGzE5nkjRZQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753447326; c=relaxed/simple; bh=p8IGK4n6HKPRRjRVOFW5p1MfrK/F73ae7EmkoL2GcJQ=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=bs91cr7R8LAhayb4k7RCKEN7H9l8c7xl9tlJ4mqZqj3SKj6cjaAJkXNiFd/obUKWS5seS85hhEesnew5+UNFF0/oLp/yIAX1KqPxcETwzB4wpCHYZwElrKZuCx8U6hL1yjAMUM8j5414ysXiFatwnbwRR+Qo3a1YmAYkw/bJ98s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=W4uKJDqN; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="W4uKJDqN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7FFB8C4CEF8; Fri, 25 Jul 2025 12:42:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753447326; bh=p8IGK4n6HKPRRjRVOFW5p1MfrK/F73ae7EmkoL2GcJQ=; h=Date:From:To:Cc:Subject:References:From; b=W4uKJDqNkGeVeStRyxOeizHDNSs5KBMQkkk43B0N7WMyurkkWAn4FR+8E62ttKivQ ToS4YIN23yR1iZQE+0ai6m3eVtFGA9TjjEWFqRWrym/fyO0qD3ZAATLvFh4MDiH78K PFd9yERtKVrImVpUzWBlm8WJGdM7fb4v78T/KUB8lSUX8BwI7W7rYjSfIOvukbvQ/3 SDR+3ao+enTz3ywLw6WVC/JLMjWHXZILFxse4MHH0rHyqYpQrlQwqwrjzgq9agKxcx m+d0DbVwTj0x+m4AfS/oJm/JDsdXynSNubR6+HeGfUizDt5RVlKKdXWlpq9yXgj+lk akaFMa8SzmD2w== Received: from rostedt by gandalf with local (Exim 4.98.2) (envelope-from ) id 1ufHkZ-00000001Cwu-3t2z; Fri, 25 Jul 2025 08:42:11 -0400 Message-ID: <20250725124211.779663463@kernel.org> User-Agent: quilt/0.68 Date: Fri, 25 Jul 2025 08:41:54 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Arnd Bergmann , Masahiro Yamada , Nathan Chancellor , Nicolas Schier , Nick Desaulniers , Catalin Marinas , Linus Torvalds Subject: [for-next][PATCH 9/9] tracing: Call trace_ftrace_test_filter() for the event References: <20250725124145.391996103@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Steven Rostedt The trace event filter bootup self test tests a bunch of filter logic against the ftrace_test_filter event, but does not actually call the event. Work is being done to cause a warning if an event is defined but not used. To quiet the warning call the trace event under an if statement where it is disabled so it doesn't get optimized out. Cc: Masami Hiramatsu Cc: Mark Rutland Cc: Mathieu Desnoyers Cc: Andrew Morton Cc: Arnd Bergmann Cc: Masahiro Yamada Cc: Nathan Chancellor Cc: Nicolas Schier Cc: Nick Desaulniers Cc: Catalin Marinas Cc: Linus Torvalds Link: https://lore.kernel.org/20250723194212.274458858@kernel.org Signed-off-by: Steven Rostedt (Google) --- kernel/trace/trace_events_filter.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events= _filter.c index 3885aadc434d..e4581e10782b 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -2900,6 +2900,10 @@ static __init int ftrace_test_event_filter(void) if (i =3D=3D DATA_CNT) printk(KERN_CONT "OK\n"); =20 + /* Need to call ftrace_test_filter to prevent a warning */ + if (!trace_ftrace_test_filter_enabled()) + trace_ftrace_test_filter(1, 2, 3, 4, 5, 6, 7, 8); + return 0; } =20 --=20 2.47.2