From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 0E82B20F965 for ; Tue, 14 Jan 2025 10:58:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736852333; cv=none; b=QMhihzcIuuo6O/BrezKbkPX8XxXau+idKuIA74w6yT8bSMymL+Mm8P96u3lmfkXBGTCKtUafRX5j6kf6DRVMCE4gayVWTOIJdB7cCBUuI+icIa+f4TXfDOZQdALXjaAHIYv/L43KUbJrBuHHk8g83xGXJQv2SKiLgX1gy2pHq1A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736852333; c=relaxed/simple; bh=F7IBASItyRpL4vY9Mmm1GLTNIs+S5WRxknepeRrRQDg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=rOc3ePru8cu4mulSXOblJszX+q7WR/10TezSrf7tmnMN6IRDGBHPuLuHbHoPmjloh2OS2K5JMAzBkCGmnxDMWTI4WzZUdTO2+0wgq5Q+c9YS+Xq+2FkvNwJVtdurJIb97aR9Wwp4xOiF/KLOwNoH5mgyl918L6/2YRTMlD7n8m8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=f4+N0/FY; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="f4+N0/FY" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=9wY7Sbe2c3GVW5oCWE2CD8ox5MerVRMUQw43tGMWM/I=; b=f4+N0/FY/f0Iz7EZyVxOGm7xKV v+jA2EB0eQiSXnJ9bNO2pF+OKRu6bw48p3f237Jr1OnxtFs1D4FosO7A08FMDsqBXTbwaNp1NyNfI x+MQ4cCeGRiVY0JXM20LLxE1Aiz6lMWHpps39fE/e8Yv8CAewlMmnvKc7s9baEJuc1uzhgJcj5+mQ FZ8Tq0O5M7kgSbXrc8CC09rNBwdfwIR2CbkcnhP0XYbvgIEqq1szGbbw2UKn7wt/BLa+jB9Y2WszA IV2b25zDfCme/6DxFdYkVH7jDdkYkBgFYSQVHI9PFiNZyIXXH4+PSTLvcwFyJXle24w/aeK+SEneV e1xwmTpg==; Received: from 77-249-17-89.cable.dynamic.v4.ziggo.nl ([77.249.17.89] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98 #2 (Red Hat Linux)) id 1tXedE-0000000EHaD-0OEc; Tue, 14 Jan 2025 10:58:48 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id A5237300346; Tue, 14 Jan 2025 11:58:47 +0100 (CET) Date: Tue, 14 Jan 2025 11:58:47 +0100 From: Peter Zijlstra To: Doug Smythies Cc: linux-kernel@vger.kernel.org, vincent.guittot@linaro.org, 'Ingo Molnar' , wuyun.abel@bytedance.com Subject: Re: [REGRESSION] Re: [PATCH 00/24] Complete EEVDF Message-ID: <20250114105847.GC8385@noisy.programming.kicks-ass.net> References: <20250107112606.GN20870@noisy.programming.kicks-ass.net> <20250107192340.GB36003@noisy.programming.kicks-ass.net> <001501db618c$67bd8170$37388450$@telus.net> <20250108131205.GO20870@noisy.programming.kicks-ass.net> <001b01db61e4$c3ce5a40$4b6b0ec0$@telus.net> <20250109105959.GA2981@noisy.programming.kicks-ass.net> <002f01db631d$d265a600$7730f200$@telus.net> <20250110115720.GA17405@noisy.programming.kicks-ass.net> <00c201db6547$b43b9a50$1cb2cef0$@telus.net> <20250113110312.GD5388@noisy.programming.kicks-ass.net> 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-Disposition: inline In-Reply-To: <20250113110312.GD5388@noisy.programming.kicks-ass.net> On Mon, Jan 13, 2025 at 12:03:12PM +0100, Peter Zijlstra wrote: > On Sun, Jan 12, 2025 at 03:14:17PM -0800, Doug Smythies wrote: > > means that there were 19 occurrences of turbostat interval times > > between 1.016 and 1.016999 seconds. > > OK, let me lower my threshold to 10ms and change the turbostat > invocation -- see if I can catch me some wabbits :-) I've had it run overnight and have not caught a single >10ms event :-(