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 D43E879C7 for ; Tue, 21 Mar 2023 09:03:30 +0000 (UTC) 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=l6jH6R+BmezkP8sD3J8D+2L3hmFFr6TKYYsXhk5gKSM=; b=YSAZW9npvS0F3ff64oN+oMErMZ 3fT2k8CiT80BVdCx8BI4wm7d6vIlszejsOD7pKhPKaWrwq1HV8OTXV4Mwh30LMb5AjTkbiu5ptfei lbQcLNCJba6FiZ7O4jbo0zMRuqGVank6qiMOwLlHQWY28B9Xv3RLaq3XFCwyiqJTXHzKAQBKMcmml ICK2YKwH4Eem+mVAMQ1qCpKOLCq/D+TVTBYh0/SWMlNj8FdAQkZl5INXLbabE9hAEkcHaDuwh55xV KWIKgebDVEmTTN0X938HcUosym3RJetvjJf0d7CbhqQPn7aV6Kjujtq0bENrdNX8GdV3BcU1jTRkC JzfHq4zg==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1peXto-001tKA-V9; Tue, 21 Mar 2023 09:03:21 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id 23DE330006D; Tue, 21 Mar 2023 10:03:19 +0100 (CET) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 0E5A1205414ED; Tue, 21 Mar 2023 10:03:19 +0100 (CET) Date: Tue, 21 Mar 2023 10:03:18 +0100 From: Peter Zijlstra To: Chen Yu Cc: oe-lkp@lists.linux.dev, lkp@intel.com, Oliver Sang Subject: Re: [peterz-queue:sched/eevdf] [sched/fair] 23669fce72: aim7.jobs-per-min -18.6% regression Message-ID: <20230321090318.GB2234901@hirez.programming.kicks-ass.net> References: <202303201517.399a9b16-oliver.sang@intel.com> <20230320075850.GA2194297@hirez.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: oe-lkp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Tue, Mar 21, 2023 at 04:04:19PM +0800, Chen Yu wrote: > On 2023-03-21 at 15:46:28 +0800, Oliver Sang wrote: > > Hi Peter Zijlstra, > > > > On Mon, Mar 20, 2023 at 08:58:50AM +0100, Peter Zijlstra wrote: > > > On Mon, Mar 20, 2023 at 03:46:57PM +0800, kernel test robot wrote: > > > > > > > > Greeting, > > > > > > > > FYI, we noticed a -18.6% regression of aim7.jobs-per-min due to commit: > > > > > > > > > > > > > > Hi Oliver, > > > > > > Could you do a full performance run on the current sched/eevdf > > > 04c54aa28eed ("sched/eevdf: Tuning...") branch? > > > > got it. > > > > we will test netperf/stress-ng/schbench/hackbench/tbench > > > Every test we will launch > 25%, 50%, 75%, 100%, 125%, 150%, 175%, 200% of instances per the number > of CPUs. > Both the latency and througput will be monitored. Excellent! > However currently we do not enable the latency nice for these tests. Later > we can enabled this once above tests finish. Yeah, just the normal numbers, thanks! No point looking at shiny new features when the base is all messed up ;-)