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 DC5EA17736 for ; Mon, 4 Aug 2025 16:50:05 +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=1754326209; cv=none; b=giYCqrA0144+tFpdEsz4AzIZVWxCUUAlRZ2OU1WSlcPz8XTSwlgirNSTog9okktFNK8KaGLek06B38jqjh35E5hmjY2LwCNJ6zbrKK68ExOBqILJaR+cKKQXGMeZF2ouyzxQ7g3C9/nC0rTrkdtRG74/ATECjHkJzXQzZaHiQ8w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754326209; c=relaxed/simple; bh=r6VRaWdG2El15IEHhPAu8O3bVwzPE5/USyg3Gi8waEs=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kC0ja4DZmMVqMmoK4yGk+sAuacuI+m7Ti6HvoJ7U7FSMhn2La9agjX2/D0CIzSlI59fkJXIwbviBpL3ojaYqAf8DnOxR3vIb6eJP30OlHJWBcqEgeq3Ri5xqMCz+ZTWGl/LRcsU6v/yzC4o2uB4y6M8pJOK2n6g2E5jbPW/gWk0= 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=216.40.44.15 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 omf10.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay03.hostedemail.com (Postfix) with ESMTP id A12F6B66DB; Mon, 4 Aug 2025 16:50:03 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf10.hostedemail.com (Postfix) with ESMTPA id C05603D; Mon, 4 Aug 2025 16:50:00 +0000 (UTC) Date: Mon, 4 Aug 2025 12:50:28 -0400 From: Steven Rostedt To: Linus Torvalds Cc: Ingo Molnar , linux-kernel@vger.kernel.org, Peter Zijlstra , Thomas Gleixner , Juri Lelli , Vincent Guittot , Dietmar Eggemann , Mel Gorman , Tejun Heo , Valentin Schneider , Shrikanth Hegde , Johannes Weiner , Chris Bainbridge Subject: Re: [GIT PULL] Scheduler updates for v6.17 Message-ID: <20250804125028.0676d201@gandalf.local.home> In-Reply-To: References: X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-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: se95msc3fkt34w3jbygqrze5zfydzs8c X-Rspamd-Server: rspamout05 X-Rspamd-Queue-Id: C05603D X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX18mYfjkhSGjcdUo189c+851q8nlw1IXmOU= X-HE-Tag: 1754326200-631162 X-HE-Meta: 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 On Wed, 30 Jul 2025 20:31:44 -0700 Linus Torvalds wrote: > On Sun, 27 Jul 2025 at 23:48, Ingo Molnar wrote: > > > > PSI: > > > > - Improve scalability by optimizing psi_group_change() cpu_clock() usage > > (Peter Zijlstra) > > I suspect this is buggy. > I forgot about this change, thinking it was added, until I saw this email: https://lore.kernel.org/all/20250804133240.GA1303466@cmpxchg.org/ It appears that Peter never sent in the change of: https://lore.kernel.org/lkml/20250716104050.GR1613200@noisy.programming.kicks-ass.net/ Looks like this could be your issue. -- Steve