From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Pan, Harry" Subject: Re: [PATCH] PM / suspend: measure the time of filesystem syncing Date: Tue, 12 Feb 2019 00:40:38 +0000 Message-ID: References: <20190203052007.27392-1-harry.pan@intel.com> <20190205212308.GA2816@amd> <20190206161612.GA7868@amd> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20190206161612.GA7868@amd> Content-Language: en-US Content-ID: <92B31DB717DF8548AF6144A4A3E01E2B@intel.com> Sender: linux-kernel-owner@vger.kernel.org To: "pavel@ucw.cz" Cc: "Brown, Len" , "linux-kernel@vger.kernel.org" , "gs0622@gmail.com" , "linux-pm@vger.kernel.org" , "rjw@rjwysocki.net" List-Id: linux-pm@vger.kernel.org PiANCj4gSSdkIHJhdGhlciBlZHVjYXRlIG90aGVyIGRldmVsb3BlcnMgdGhhdCB0aGlzIG1heSBo YXBwZW4uIGRtZXNnDQo+IHRpbWVzdGFtcHMgc2hvdWxkIGFscmVhZHkgbWFrZSBpdCBlYXN5IHRv IHNlZS4NCj4gDQo+IEFuZCBhY3R1YWxseS4uLiBpZiB5b3UgZG8gInRpbWUgc3luYyIgaW4gdXNl cnNwYWNlIGp1c3QgYmVmb3JlDQo+IHByb2dyYW1pbmcgdGhlIFJUQyBhbmQgc3VzcGVuZGluZywg dGhpcyB3aG9sZSBpc3N1ZSBzaG91bGQgZ28gYXdheS4NCj4gDQo+IA0KSSBhZ3JlZSB3LyB5b3Ug b24gYm90aCBjb21tZW50cyBiYXNpY2FsbHkuDQoNClRoYWQgc2FpZCwgd2hlbiBpdCBjb21lcyB0 byBkbWVzZywgcmVhZGVycyB3b3VsZCBndWVzcyBieSBjdXJyZW50DQppbXBsZW1lbnRhdGlvbiBv ZiB0aGUgcHJvZ3JhbSwgdGhlIHR3byBsaW5lcyBvZiBwcl9pbmZvIGFuZCBwbV9wcl9kYmcNCmFy ZSBjb250cm9sbGVkIGJ5IGNvbXBpbGF0aW9uIGZsYWdzIGFzIHdlbGwgYXMgcHJpbnRrIHJ1bi1s ZXZlbCwgSQ0KdGhpbmsgdGhlIGluZm9ybWF0aW9uIGlzIGVub3VnaCB3aGlsZSBpdCBpcyBub3Qg Z3VhcmFudGVlZCBmb3IgdGhpcw0Kc3ViamVjdC4NCg0KQW5vdGhlciByZWFzb24gaXMsIG1vbnRo cyBhZ28gSSB3b3JrZWQgb24gbXkgY29tbXVuaXR5IHRvIGlsbHVzdHJhdGUNCnRoaXMgb2RkLCBh ZGRpbmcgJ3N5bmMnIHBvbGljeSBpbiB0aGUgdXNlcnNwYWNlIHNjcmlwdCBbMV0gbWl0aWdhdGVk DQp0aGUgbG9uZ2VyIHN5bmMgKGlzc3VlZCBieSBrZXJuZWwpIGluIHN1c3BlbmRpbmcsIGhvd2V2 ZXIgSSByZWFsaXplZA0KdGhlcmUgaXMgc3RpbGwgcmFyZSBjYXNlIGJlY2F1c2UgdGhlIHVzZXJz cGFjZSBzeW5jIGlzIGJlZm9yZSB0aGUNCnByb2Nlc3NlcyBmcmVlemUsIHRoZSBzY3JpcHQgaXMg cG90ZW50aWFsbHkgY29tcGV0aW5nIHcvIG90aGVyIGhpZ2gNCmxvYWRpbmcgdGFza3Mgd2hpY2gg bWVhbnMgdGhlcmUgaXMgc3RpbGwgYSBzbWFsbCB3aW5kb3cgKHN5bmMgLT4NCnByb2dyYW0gYWxh cm0gLT4gc3VzcGVuZCB1bnRpbCBmcmVlemUpIHRoYXQgY291bGQgZ2VuZXJhdGUgc3VjaCBvZGQu DQoNClNob3J0IHJlY2FwIHRoaXMgdG9waWMgaXMgdHJ5aW5nIHRvIGdpdmUgYSBjbGVhciBpbmRp Y2F0aW9uIGFzIHNpbXBsZQ0KbWVjaGFuaXNtIGZvciB0aGUgcGxhdGZvcm0gYW5kIE9TIGRldmVs b3BlcnMgd2hvIG1heSBjb25jZXJuIHRoZQ0Kc3VzcGVuZGluZyB0aW1lIHcvIHNvbWUgc29ydCBv ZiB0aW1lIGNvbnN0cmFpbjsgZ2l2ZW4gYSBjbGVhciBtZXRyaWMgaXQNCmFsbG93cyBkZXZlbG9w ZXJzIHRvIGhhdmUgYW4gZWFzaWVyIHRyaWFnZSBzdWNoIGhhcmQtdG8tcmVwcm9kdWNlIGlzc3Vl DQpzaGFsbCBnbyB0byB2aXJ0dWFsIG1lbW9yeS9maWxlc3lzdGVtIHJhdGhlciB0aGFuIGV4YW1p bmUgd2hldGhlciB0aGVyZQ0KaXMgbG9uZ2VyIGNvc3Qgb24gZWFjaCBQTSBzdWItc3RhdGUgYWxv bmcgdy8gdGhlIGRldmljZSBjYWxsYmFja3MNCnRocm91Z2ggYSBsb25nIHN1c3BlbmRpbmcgbG9n Lg0KDQpMYXN0bHksIEkgdW5kZXJzdGFuZCB0aGlzIGRhdGEgbWlnaHQgbm90IHNvIGludGVyZXN0 aW5nIHRvIGtlcm5lbA0KZGV2ZWxvcGVyczsgc29tZWhvdyBteSByb2xlIGlzIHNpdHRpbmcgaW4g YmV0d2VlbiB0cnlpbmcgdG8gYnJpZGdlDQprZXJuZWwgYW5kIE9TIGRldmVsb3BlcnMsIEkgZnVs bHkgcmVzcGVjdCByZXZpZXdlcnMnIGNvbW1lbnRzIGFuZA0KanVzdGlmaWNhdGlvbi4NCg0KDQpT aW5jZXJlbHksDQpIYXJyeSANCg0KWzFdIA0KaHR0cHM6Ly9jaHJvbWl1bS1yZXZpZXcuZ29vZ2xl c291cmNlLmNvbS9jL2Nocm9taXVtb3MvcGxhdGZvcm0yLysvNDU4NTYwLzE0L3Bvd2VyX21hbmFn ZXIvdG9vbHMvc3VzcGVuZF9zdHJlc3NfdGVzdCMyMDINCihBcG9sb2dpemUgbG9uZyBVUkwgYW5k IGNvbnRleHQgYXMgcmVmZXJlbmNlKQ0K