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Thu, 1 Apr 2021 01:55:23 +0000 From: Chaitanya Kulkarni To: Yi Zhang CC: linux-block , "paolo.valente@linaro.org" , "linux-nvme@lists.infradead.org" Subject: Re: [bisected] bfq regression on latest linux-block/for-next Thread-Topic: [bisected] bfq regression on latest linux-block/for-next Thread-Index: AXBfmr8LEfgvZQ/4efLqriWGzme7Kg== Date: Thu, 1 Apr 2021 01:55:23 +0000 Message-ID: References: <1366443410.1203736.1617240454513.JavaMail.zimbra@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: redhat.com; dkim=none (message not signed) header.d=none;redhat.com; dmarc=none action=none header.from=wdc.com; x-originating-ip: [199.255.45.62] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 8fb5e792-a839-4707-bc2d-08d8f4b136d3 x-ms-traffictypediagnostic: DM6PR04MB6938: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:843; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR04MB4972.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8fb5e792-a839-4707-bc2d-08d8f4b136d3 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 Apr 2021 01:55:23.7560 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: zM7rhEyeQyizreo7ziLeBKOESUekUCLf0m2qjMQdxMuUXfQCbYiqAiW8Pdaak7++E+iPvMNQIAnvXy/ZCCEmKNanS1OTJWzo6va4LCcLhCs= X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR04MB6938 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Yi,=0A= =0A= On 3/31/21 18:28, Yi Zhang wrote:=0A= > Hi=0A= > We reproduced this bfq regression[3] on ppc64le with blktests[2] on the l= atest linux-block/for-next branch, seems it was introduced with [1] from my= bisecting, pls help check it. Let me know if you need any testing for it, = thanks.=0A= >=0A= > [1]=0A= > commit 430a67f9d6169a7b3e328bceb2ef9542e4153c7c (HEAD, refs/bisect/bad)= =0A= > Author: Paolo Valente =0A= > Date: Thu Mar 4 18:46:27 2021 +0100=0A= >=0A= > block, bfq: merge bursts of newly-created queues=0A= >=0A= > [2] blktests: nvme_trtype=3Dtcp ./check nvme/011=0A= >=0A= >=0A= =0A= + linux-nvme=0A= =0A= Please add linux-nvme mailing list from next time for blktests=0A= nvmecategory to=0A= get better response.=0A= =0A= =0A=