From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) (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 2A1462E764B; Mon, 8 Dec 2025 09:44:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765187049; cv=none; b=Gsw43ThYgnJ9gvb19JzHKD1jaBqa+MlZZRUZteO/Twdb4fAw+rghgDjjvkZMllAdw4MprZVvikWv9Cs0pQ45V0AvmaVxmTe4GAVcsZvHyoowBycUXMOOv0PeLWRwJAi7BD6uejseuN4hAt5NgG3SF2jLKZSkausgKCOaVYVmRCM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765187049; c=relaxed/simple; bh=fdGrF5Oel05UQlS5rNphnQjdaZXlo4AaW1ySaH3ZQMs=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=fnB+ACUrsXo46kR27J0nRtq/vLAPbDyPp7zzJQFsiY1/PHYrP8wO5WOH9CAxg3S8LRjXiUBdHlTap6SE4YkaQ/R+9AIHmxZ9KDTN9fFpHK3emcRfMKXFXtK+a48iWbb1fzHOnGMeMAi7GPtbY5cbWaJV4taM4PfTZ5KgxhFiZGo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf02.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay06.hostedemail.com (Postfix) with ESMTP id 21D5E134476; Mon, 8 Dec 2025 09:44:00 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf02.hostedemail.com (Postfix) with ESMTPA id 546A280012; Mon, 8 Dec 2025 09:43:57 +0000 (UTC) Date: Mon, 8 Dec 2025 04:43:52 -0500 From: Steven Rostedt To: "Paul E. McKenney" Cc: linux-kernel@vger.kernel.org, Mathieu Desnoyers , Sebastian Andrzej Siewior , bpf@vger.kernel.org Subject: Re: [PATCH v3] tracing: Guard __DECLARE_TRACE() use of __DO_TRACE_CALL() with SRCU-fast Message-ID: <20251208044352.38360456@debian> In-Reply-To: References: X-Mailer: Claws Mail 4.3.1 (GTK 3.24.51; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Stat-Signature: xjhpdxmxrad6dnq1cfyd6da57cgwtyfj X-Rspamd-Server: rspamout04 X-Rspamd-Queue-Id: 546A280012 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX19KfNPMKJwmVO5vRkSn9ulTXGzJeOBKsC8= X-HE-Tag: 1765187037-28855 X-HE-Meta: U2FsdGVkX1/Ia48z6eciqgZ/TNJY5RchHBkWXK9JPl3lPNX8a50/kkjyL+fU+XUS7RgLjqc3C5ugRdOXjE04ClEoK/iptiF2+B2KJdEKtsAjUVp9aKw4RljQvT8psDZaSehDIXyp1MoTJxCil9V7smR9IXP7TkCTtZQC21c/+ek3E1jdh1LfWNuXVlQJrq/iEn7qKojJ+HAAuyf92IkNWS+YbJruGzpTy+nc6aEcaAkaDn1AtdK2VrGjvExNuYFQwqw59BpiYvegWnDT6MBLfZYozqRgE+lB7jlxATXP7gtBMcbp7jSrU13aFrJkfpWnOBKOaz76E1Loz24nAFAprkfT/7vtSYhc On Sun, 7 Dec 2025 20:20:23 -0800 "Paul E. McKenney" wrote: > [ paulmck: Remove trace_syscalls.h changes per Steven Rostedt. ] But they still need to be fixed. With PREEMPT_RT enabled: # trace-cmd start -e syscalls # trace-cmd show bash-1165 [001] DBZ.f 269.955644: sys_ioctl(fd: 0xff, cmd: 0x5413, arg: 0x7fffd3d6a2d0) bash-1165 [001] DBZ.f 269.955649: sys_ioctl -> 0x0 bash-1165 [001] DBZ.f 269.955694: sys_rt_sigprocmask(how: 2, nset: 0x7fffd3d6a3a0, oset: 0, sigsetsize: 8) bash-1165 [001] DBZ.f 269.955698: sys_rt_sigprocmask -> 0x0 bash-1165 [001] DBZ.f 269.955715: sys_wait4(upid: 0xffffffffffffffff, stat_addr: 0x7fffd3d69c50, options: 0xb, ru: 0) bash-1165 [001] DBZ.f 269.955722: sys_wait4 -> 0xfffffffffffffff6 bash-1165 [001] DBZ.f 269.955725: sys_rt_sigreturn() bash-1165 [001] DBZ.f 269.955758: sys_rt_sigaction(sig: 2, act: 0x7fffd3d6a2e0, oact: 0x7fffd3d6a380, sigsetsize: 8) bash-1165 [001] DBZ.f 269.955762: sys_rt_sigaction -> 0x0 ^^^^^ This is just garbage. -- Steve