From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Pan, Harry" Subject: Re: [PATCH v3] PM / suspend: measure the time of filesystem syncing Date: Wed, 20 Feb 2019 16:44:02 +0000 Message-ID: References: <20190206154214.576-1-harry.pan@intel.com> <20190214111543.22137-1-harry.pan@intel.com> <2819109.DzhZvocLkm@aspire.rjw.lan> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <2819109.DzhZvocLkm@aspire.rjw.lan> Content-Language: en-US Content-ID: <049D91B807C2F34CBA69D2B978011800@intel.com> Sender: linux-kernel-owner@vger.kernel.org To: "rjw@rjwysocki.net" Cc: "Brown, Len" , "linux-kernel@vger.kernel.org" , "gs0622@gmail.com" , "pavel@ucw.cz" , "linux-pm@vger.kernel.org" List-Id: linux-pm@vger.kernel.org VGhhbmtzIGZvciBjb21tZW50cy4NCg0KPiA+ICsJaWYgKCFJU19FTkFCTEVEKENPTkZJR19TVVNQ RU5EX1NLSVBfU1lOQykpIHsNCj4gPiArCQlrdGltZV90IHN0YXJ0Ow0KPiA+ICsJCXVuc2lnbmVk IGludCBlbGFwc2VkX21zZWNzOw0KPiA+ICsNCj4gPiArCQl0cmFjZV9zdXNwZW5kX3Jlc3VtZShU UFMoInN5bmNfZmlsZXN5c3RlbXMiKSwgMCwgdHJ1ZSk7DQo+ID4gKwkJcHJfaW5mbygiU3luY2lu ZyBmaWxlc3lzdGVtcyAuLi4gIik7DQo+ID4gKwkJc3RhcnQgPSBrdGltZV9nZXQoKTsNCj4gPiAr CQlrc3lzX3N5bmMoKTsNCj4gPiArCQllbGFwc2VkX21zZWNzID0ga3RpbWVfdG9fbXMoa3RpbWVf c3ViKGt0aW1lX2dldCgpLA0KPiA+IHN0YXJ0KSk7DQo+ID4gKwkJcHJfY29udCgiKGVsYXBzZWQg JWQuJTAzZCBzZWNvbmRzKSBkb25lLlxuIiwNCj4gPiArCQkJZWxhcHNlZF9tc2VjcyAvIE1TRUNf UEVSX1NFQywNCj4gPiArCQkJZWxhcHNlZF9tc2VjcyAlIE1TRUNfUEVSX1NFQyk7DQo+IA0KPiBP bmUgbW9yZSBuaXQuDQo+IA0KPiBTaW5jZSB5b3UgYXJlIHByaW50aW5nIHRoZSBzeW5jIHRpbWUg YW55d2F5LCB0aGVyZSBpcyBhIGxpdHRsZSBzZW5zZQ0KPiB0bw0KPiBzcGxpdCB0aGUgbWVzc2Fn ZSB1c2luZyBwcl9jb250KCkgdGhhdCBtYXkgYmUgbWVzc2VkIHVwIHdpdGggYnkgYW55DQo+IGlu dGVydmVuaW5nIG1lc3NhZ2VzLCBzbyB3aHkgZG9uJ3QgeW91IGp1c3QgcHJpbnQgYSBvbmUtbGlu ZQ0KPiBwcl9pbmZvKCJGaWxlc3lzdGVtcyBzeW5jOiAlZC4lMDNkIHNlY29uZHNcbiIsIC4uLikg bWVzc2FnZT8NCj4gDQpZZXMsIEkgYWdyZWUuDQpJbiBwcmFjdGljYWwsIEkgZGlkIHNlZSBpbnRl cnZlbmluZyBtZXNzYWdlcyAoYmV0d2VlbiBwcl9pbmZvIGFuZA0KcHJfY29udCkgd2hlbiBpdCBj YW1lIHRvIGxvbmcgc3luYyBpbiBrZXJuZWwuDQpJIHdhcyBoZXNpdGF0ZWQgaW4gdGhpcyBjb25z aWRlcmluZyBub3QgZnVsbHkgdW5kZXJzdGFuZGluZyB0aGUNCmJhY2tkcm9wIG9mIHNwbGl0IG1l c3NhZ2VzIHVzaW5nIHByX2luZm8oKSB0aGVuIHByX2NvbnQoKS4NCg0KPiBBbHNvLCBpZiB5b3Ug Y2hhbmdlIGl0IGhlcmUsIEkgZ3Vlc3MgaXQgd291bGQgYmUgY29uc2lzdGVudCB0byBtYWtlDQo+ IGFuIGFuYWxvZ291cyBjaGFuZ2UgZm9yIGhpYmVybmF0aW9uLg0KDQpPbmUgcG90ZW50aWFsIGxh c3QtbWlsZSBuZWVkIHlvdXIgd2lzZG9tLCB3aGljaCBpcyBhYm91dCB0aGUgc3dpdGNoDQpjYXNl IG9mIFNOQVBTSE9UX0ZSRUVaRSBvZiB0aGUgdXNlcnNwYWNlIGludGVyZmFjZSB5b3Ugd3JvdGUu DQpJIGFtIHlldCB0byB0b3VjaCBpdCwgbm9yIHVuZGVyc3RhbmQgaG93IHRvIHZhbGlkYXRlIGl0 Lg0KDQpUaGF0IHNhaWQsIEkgYW0gZGlnZXN0aW5nIHlvdXIgZG9jdW1lbnRzIGFuZCBzb3VyY2U7 IEkgdXNlZCB0aGUgcG1fdGVzdA0KZnJvbSB0aGUgZG9jIHRvIHZhbGlkYXRlIHRoZSBwYXRjaCBv biBoaWJlcm5hdGlvbiBwYXJ0aWFsbHkgZXZlbiBub24gb2YNCm15IGhhbmR5IGxhcHRvbnMgZnVs bHkgd29yayB3ZWxsIG9uIGl0Lg0KDQoNClNpbmNlcmVseSwNCkhhcnJ5DQo=