From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5AC4CC433E0 for ; Mon, 3 Aug 2020 02:15:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3AF172076B for ; Mon, 3 Aug 2020 02:15:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725924AbgHCCPT (ORCPT ); Sun, 2 Aug 2020 22:15:19 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:9319 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725820AbgHCCPT (ORCPT ); Sun, 2 Aug 2020 22:15:19 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 66B73CAFDBFEB9A71E88; Mon, 3 Aug 2020 10:15:17 +0800 (CST) Received: from [127.0.0.1] (10.174.187.42) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Mon, 3 Aug 2020 10:15:06 +0800 Subject: Re: [kvm-unit-tests PATCH v3 00/10] arm/arm64: Add IPI/LPI/vtimer latency test To: Andrew Jones CC: , , , , , , References: <20200731074244.20432-1-wangjingyi11@huawei.com> <20200731120117.5kk22hx2wpbt6kpz@kamzik.brq.redhat.com> From: Jingyi Wang Message-ID: Date: Mon, 3 Aug 2020 10:15:05 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200731120117.5kk22hx2wpbt6kpz@kamzik.brq.redhat.com> Content-Type: text/plain; charset="utf-8"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.187.42] X-CFilter-Loop: Reflected Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 7/31/2020 8:01 PM, Andrew Jones wrote: > On Fri, Jul 31, 2020 at 03:42:34PM +0800, Jingyi Wang wrote: >> With the development of arm gic architecture, we think it will be useful >> to add some performance test in kut to measure the cost of interrupts. >> In this series, we add GICv4.1 support for ipi latency test and >> implement LPI/vtimer latency test. >> >> This series of patches has been tested on GICv4.1 supported hardware. >> >> Note: >> Based on patch "arm/arm64: timer: Extract irqs at setup time", >> https://www.spinics.net/lists/kvm-arm/msg41425.html >> >> * From v2: >> - Code and commit message cleanup >> - Clear nr_ipi_received before ipi_exec() thanks for Tao Zeng's review >> - rebase the patch "Add vtimer latency test" on Andrew's patch > > It'd be good if you'd reposted my patch along with this series, since we > didn't merge mine yet either. Don't worry about now, though, I'll pick it > up the same time I pick up this series, which I plan to do later today > or tomorrow. > > Getting this series applied will allow me to try out our new and shiny > gitlab repo :-) > > Thanks, > drew > Thanks for your reviewing and fix. >> - Add test->post() to get actual PPI latency >> >> * From v1: >> - Fix spelling mistake >> - Use the existing interface to inject hw sgi to simply the logic >> - Add two separate patches to limit the running times and time cost >> of each individual micro-bench test >> >> Jingyi Wang (10): >> arm64: microbench: get correct ipi received num >> arm64: microbench: Generalize ipi test names >> arm64: microbench: gic: Add ipi latency test for gicv4.1 support kvm >> arm64: its: Handle its command queue wrapping >> arm64: microbench: its: Add LPI latency test >> arm64: microbench: Allow each test to specify its running times >> arm64: microbench: Add time limit for each individual test >> arm64: microbench: Add vtimer latency test >> arm64: microbench: Add test->post() to further process test results >> arm64: microbench: Add timer_post() to get actual PPI latency >> >> arm/micro-bench.c | 256 ++++++++++++++++++++++++++++++------- >> lib/arm/asm/gic-v3.h | 3 + >> lib/arm/asm/gic.h | 1 + >> lib/arm64/gic-v3-its-cmd.c | 3 +- >> 4 files changed, 219 insertions(+), 44 deletions(-) >> >> -- >> 2.19.1 >> >> > > > . >