From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0013.hostedemail.com [216.40.44.13]) (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 EBD7417F7; Thu, 5 Jun 2025 14:49:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.13 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749134979; cv=none; b=dkTE2+xtO2vHlkSU1oBgPoruX3FeMNGqnX92OIes82+rFstm5KxDTijNiCQMr5ho0EMjJcrVHrCDomWAMzjCOdK+9dW7aVWTwnsYKw1M8eGB1pk6F3WMIc6j3456Fn27a57PLv3xuov4hc/5QThAhWYsftV10LJlhITlj0sAEek= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749134979; c=relaxed/simple; bh=i4KQ/CbTmUS2tg9fpzEME1uJNKGOVp1RQubGQT5+cKE=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=SqA+1UD7xYBvIXJ19SmiuBTCuGfVf7obiu66Q2OuOfgOWxWP6IE/3do2tjwwnqgcRhYCblE+5XI1ly95QDefAAtLiiippd5n5H8S2ciRTQu0U5jkxfZBfg3NFTAEboYJ7zN9kUyXw8sqOSOfLV9atdpSI5oPubm3d+QVmbeYz0U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf03.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay07.hostedemail.com (Postfix) with ESMTP id 2C6BD160BDA; Thu, 5 Jun 2025 14:49:34 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf03.hostedemail.com (Postfix) with ESMTPA id 2510D60010; Thu, 5 Jun 2025 14:49:32 +0000 (UTC) Date: Thu, 5 Jun 2025 10:50:50 -0400 From: Steven Rostedt To: "Flot, Julien" Cc: "Schmidt, Adriaan" , "Ziegler, Andreas" , "Kiszka, Jan" , "linux-trace-kernel@vger.kernel.org" , "mathieu.desnoyers@efficios.com" , "MOESSBAUER, Felix" , "linux-rt-users@vger.kernel.org" Subject: Re: ftrace regression with PREEMPT_RT kernels Message-ID: <20250605105050.219a4a1c@gandalf.local.home> In-Reply-To: <5f721932e0bbf880d2817498e35b54eabb167d98.camel@siemens.com> References: <240017f656631c7dd4017aa93d91f41f653788ea.camel@siemens.com> <20250605082846.179bca96@gandalf.local.home> <5f721932e0bbf880d2817498e35b54eabb167d98.camel@siemens.com> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-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-Rspamd-Server: rspamout01 X-Rspamd-Queue-Id: 2510D60010 X-Stat-Signature: jhrb3c9c5kf83nx4mmdg39wx9uz1feey X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX19oyUkklZPPVn8QRNFot8YIBTBKmBIbCbg= X-HE-Tag: 1749134972-609192 X-HE-Meta: U2FsdGVkX18P1QOuTgCx3j54bNpitHCjdEY9PdqnN+Mmz0aXXnSDneIRQ6QN+LYiC0YDEqytiq7eWqNCiop94EVTZUP68cr9IdvgoGpteP+qzWp3/tAciXi3YgEeQnSQpN8LzWrvmPaerTaMup5VKZ8nuRpcL2g2zZFqJ6MZy/FzHNhAud1l4vE9E6BFGA8aN8ctm8f4mDxesvlPSD1ILWtu6nTKDbtR3YHsplcgAkkfrddddX91g5+rED0/3R+1Q4nZCTto/In3J85WmxkXyY6p8J7dvQVOsq8mTP2DLdvIJjvCpGUDL47onjSwk+60yOb8moNMAt2UyZUgTHRnBuUkpVsirxUg On Thu, 5 Jun 2025 14:41:43 +0000 "Flot, Julien" wrote: > I have tried the patch, I am afraid it does not help. I have roughly > the same results as in previous versions. Bah, there's three more places that call tracepoint_synchronize_unregister() :-p Let me try to get rid of those too. -- Steve