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([2001:b07:6468:f312:e1d2:138e:4eff:42cb]) by smtp.gmail.com with ESMTPSA id o10sm3380558wrj.37.2020.06.18.05.23.51 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 18 Jun 2020 05:23:51 -0700 (PDT) Subject: Re: [PATCH 0/7] misc: Reduce QEMUTimer pressure by using lower precision when possible To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org References: <20200616075121.12837-1-f4bug@amsat.org> From: Paolo Bonzini Message-ID: Date: Thu, 18 Jun 2020 14:23:50 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 MIME-Version: 1.0 In-Reply-To: <20200616075121.12837-1-f4bug@amsat.org> Content-Language: en-US X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=205.139.110.61; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/18 01:32:18 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , qemu-block@nongnu.org, Corey Minyard , David Hildenbrand , Andrew Jeffery , "Michael S. Tsirkin" , Max Reitz , qemu-arm@nongnu.org, Joel Stanley , =?UTF-8?Q?C=c3=a9dric_Le_Goater?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 16/06/20 09:51, Philippe Mathieu-Daudé wrote: > This series contains few patches resulting from the notes I > took while reviewing Mark ADB series last Sunday, in particular: > https://www.mail-archive.com/qemu-devel@nongnu.org/msg712078.html > > I have another patch for hw/input/hid.c but I prefer to hold it > to test it more. This is in principle a very good idea; however, util/qemu-timer.c does not use the scale to coalesce low-precision timers with nearby high-precision ones. Paolo