From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Laight Subject: RE: [PATCH v2] cpuidle: Fix last_residency division Date: Fri, 24 Jun 2016 09:00:48 +0000 Message-ID: <063D6719AE5E284EB5DD2968C1650D6D5F4E3E66@AcuExch.aculab.com> References: <1466756638-2362-1-git-send-email-shreyas@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1466756638-2362-1-git-send-email-shreyas@linux.vnet.ibm.com> Content-Language: en-US List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+glppe-linuxppc-embedded-2=m.gmane.org@lists.ozlabs.org Sender: "Linuxppc-dev" To: "'Shreyas B. Prabhu'" , "rjw@rjwysocki.net" Cc: "daniel.lezcano@linaro.org" , "linuxppc-dev@lists.ozlabs.org" , "anton@samba.org" , "linux-pm@vger.kernel.org" List-Id: linux-pm@vger.kernel.org RnJvbTogU2hyZXlhcyBCLiBQcmFiaHUNCj4gU2VudDogMjQgSnVuZSAyMDE2IDA5OjI0DQo+DQo+ IFNub296ZSBpcyBhIHBvbGwgaWRsZSBzdGF0ZSBpbiBwb3dlcm52IGFuZCBwc2VyaWVzIHBsYXRm b3Jtcy4gU25vb3plDQo+IGhhcyBhIHRpbWVvdXQgc28gdGhhdCBpZiBhIGNwdSBzdGF5cyBpbiBz bm9vemUgZm9yIG1vcmUgdGhhbiB0YXJnZXQNCj4gcmVzaWRlbmN5IG9mIHRoZSBuZXh0IGF2YWls YWJsZSBpZGxlIHN0YXRlLCB0aGVuIGl0IHdvdWxkIGV4aXQgdGhlcmVieQ0KPiBnaXZpbmcgY2hh bmNlIHRvIHRoZSBjcHVpZGxlIGdvdmVybm9yIHRvIHJlLWV2YWx1YXRlIGFuZA0KPiBwcm9tb3Rl IHRoZSBjcHUgdG8gYSBkZWVwZXIgaWRsZSBzdGF0ZS4gVGhlcmVmb3JlIHdoZW5ldmVyIHNub296 ZSBleGl0cw0KPiBkdWUgdG8gdGhpcyB0aW1lb3V0LCBpdHMgbGFzdF9yZXNpZGVuY3kgd2lsbCBi ZSB0YXJnZXRfcmVzaWRlbmN5IG9mIG5leHQNCj4gZGVlcGVyIHN0YXRlLg0KPiANCj4gY29tbWl0 IGU5M2U1OWNlNWI4NSAoImNwdWlkbGU6IFJlcGxhY2Uga3RpbWVfZ2V0KCkgd2l0aCBsb2NhbF9j bG9jaygpIikNCj4gY2hhbmdlZCB0aGUgbWF0aCBhcm91bmQgbGFzdF9yZXNpZGVuY3kgY2FsY3Vs YXRpb24uIFNwZWNpZmljYWxseSwgd2hpbGUNCj4gY29udmVydGluZyBsYXN0X3Jlc2lkZW5jeSB2 YWx1ZSBmcm9tIG5hbm9zZWNvbmRzIHRvIG1pY3Jvc2Vjb25kcyBpdCBkb2VzDQo+IHJpZ2h0IHNo aWZ0IGJ5IDEwLiBEdWUgdG8gdGhpcywgaW4gc25vb3plIHRpbWVvdXQgZXhpdCBzY2VuYXJpb3MN Cj4gbGFzdF9yZXNpZGVuY3kgY2FsY3VsYXRlZCBpcyByb3VnaGx5IDIuMyUgbGVzcyB0aGFuIHRh cmdldF9yZXNpZGVuY3kgb2YNCj4gbmV4dCBhdmFpbGFibGUgc3RhdGUuIFRoaXMgcGF0dGVybiBp cyBwaWNrZWQgdXAgZ2V0X3R5cGljYWxfaW50ZXJ2YWwoKQ0KPiBpbiB0aGUgbWVudSBnb3Zlcm5v ciBhbmQgdGhlcmVmb3JlIGV4cGVjdGVkX2ludGVydmFsIGluIG1lbnVfc2VsZWN0KCkgaXMNCj4g ZnJlcXVlbnRseSBsZXNzIHRoYW4gdGhlIHRhcmdldF9yZXNpZGVuY3kgb2YgYW55IHN0YXRlIGJ1 dCBzbm9vemUuDQo+IA0KPiBEdWUgdG8gdGhpcyB3ZSBhcmUgZW50ZXJpbmcgc25vb3plIGF0IGEg aGlnaGVyIHJhdGUsIHRoZXJlYnkgYWZmZWN0aW5nDQo+IHRoZSBzaW5nbGUgdGhyZWFkIHBlcmZv cm1hbmNlLg0KPiANCj4gRml4IHRoaXMgYnkgcmVwbGFjaW5nIHJpZ2h0IHNoaWZ0IGJ5IDEwIHdp dGggLzEwMDAgd2hpbGUgY2FsY3VsYXRpbmcNCj4gbGFzdF9yZXNpZGVuY3kuDQo+IA0KPiBSZXBv cnRlZC1ieTogQW50b24gQmxhbmNoYXJkIDxhbnRvbkBzYW1iYS5vcmc+DQo+IEJpc2VjdGVkLWJ5 OiBTaGlscGFzcmkgRyBCaGF0IDxzaGlscGEuYmhhdEBsaW51eC52bmV0LmlibS5jb20+DQo+IFNp Z25lZC1vZmYtYnk6IFNocmV5YXMgQi4gUHJhYmh1IDxzaHJleWFzQGxpbnV4LnZuZXQuaWJtLmNv bT4NCj4gLS0tDQo+IENoYW5nZXMgaW4gdjINCj4gPT09PT09PT09PT09PQ0KPiAgLSBGaXhpbmcg aXQgaW4gdGhlIGNwdWlkbGUgY29yZSBjb2RlIGluc3RlYWQgb2YgZHJpdmVyIGNvZGUuDQo+IA0K PiAgZHJpdmVycy9jcHVpZGxlL2NwdWlkbGUuYyB8IDYgKysrLS0tDQo+ICAxIGZpbGUgY2hhbmdl ZCwgMyBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQ0KPiANCj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvY3B1aWRsZS9jcHVpZGxlLmMgYi9kcml2ZXJzL2NwdWlkbGUvY3B1aWRsZS5jDQo+IGlu ZGV4IGE0ZDAwNTkuLjMwZDY3YTggMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMvY3B1aWRsZS9jcHVp ZGxlLmMNCj4gKysrIGIvZHJpdmVycy9jcHVpZGxlL2NwdWlkbGUuYw0KPiBAQCAtMjE4LDEwICsy MTgsMTAgQEAgaW50IGNwdWlkbGVfZW50ZXJfc3RhdGUoc3RydWN0IGNwdWlkbGVfZGV2aWNlICpk ZXYsIHN0cnVjdCBjcHVpZGxlX2RyaXZlciAqZHJ2LA0KPiAgCQlsb2NhbF9pcnFfZW5hYmxlKCk7 DQo+IA0KPiAgCS8qDQo+IC0JICogbG9jYWxfY2xvY2soKSByZXR1cm5zIHRoZSB0aW1lIGluIG5h bm9zZWNvbmQsIGxldCdzIHNoaWZ0DQo+IC0JICogYnkgMTAgKGRpdmlkZSBieSAxMDI0KSB0byBo YXZlIG1pY3Jvc2Vjb25kIGJhc2VkIHRpbWUuDQo+ICsJICogbG9jYWxfY2xvY2soKSByZXR1cm5z IHRoZSB0aW1lIGluIG5hbm9zZWNvbmQsIGxldCdzDQo+ICsJICogZGl2aWRlIGJ5IDEwMDAgdG8g aGF2ZSBtaWNyb3NlY29uZCBiYXNlZCB0aW1lLg0KPiAgCSAqLw0KPiAtCWRpZmYgPSAodGltZV9l bmQgLSB0aW1lX3N0YXJ0KSA+PiAxMDsNCj4gKwlkaWZmID0gKHRpbWVfZW5kIC0gdGltZV9zdGFy dCkgLyAxMDAwOw0KPiAgCWlmIChkaWZmID4gSU5UX01BWCkNCj4gIAkJZGlmZiA9IElOVF9NQVg7 DQoNClRoZSBpbnRlbnQgb2YgdGhlID4+IDEwIHdhcyBwcm9iYWJseSB0byBhdm9pZCBhbiBleHBl bnNpdmUgNjRiaXQgZGl2aWRlLg0KU28gbWF5YmUgc29tZXRoaW5nIGxpa2U6DQoJZGlmZiA9IHRp bWVfZW5kIC0gdGltZV9zdGFydDsNCglpZiAoZGlmZiA+PSBJTlRfTUFYLzIpDQoJCWRpZmZfMzIg PSBJTlRfTUFYLzIvMTAwMDsNCgllbHNlDQoJCWRpZmZfMzIgPSBkaWZmOw0KCQlkaWZmXzMyICs9 IGRpZmZfMzIgPj4gNjsNCgkJZGlmZl8zMiA+Pj0gMTA7DQoJfQ0KDQpBZGRpbmcgYW4gZXh0cmEg MS8zMiBtYWtlcyB0aGUgZGl2aXNpb24gYnkgYmUgc29tZXRoaW5nIHNsaWdodGx5IGJlbG93IDEw MDAuDQoNCglEYXZpZA0KDQpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpMaW51eHBwYy1kZXYgbWFpbGluZyBsaXN0CkxpbnV4cHBjLWRldkBsaXN0cy5vemxh YnMub3JnCmh0dHBzOi8vbGlzdHMub3psYWJzLm9yZy9saXN0aW5mby9saW51eHBwYy1kZXY= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out4.electric.net (smtp-out4.electric.net [192.162.216.191]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3rbXRY24YXzDq5W for ; Fri, 24 Jun 2016 19:03:03 +1000 (AEST) From: David Laight To: "'Shreyas B. Prabhu'" , "rjw@rjwysocki.net" CC: "linux-pm@vger.kernel.org" , "daniel.lezcano@linaro.org" , "anton@samba.org" , "linuxppc-dev@lists.ozlabs.org" Subject: RE: [PATCH v2] cpuidle: Fix last_residency division Date: Fri, 24 Jun 2016 09:00:48 +0000 Message-ID: <063D6719AE5E284EB5DD2968C1650D6D5F4E3E66@AcuExch.aculab.com> References: <1466756638-2362-1-git-send-email-shreyas@linux.vnet.ibm.com> In-Reply-To: <1466756638-2362-1-git-send-email-shreyas@linux.vnet.ibm.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , RnJvbTogU2hyZXlhcyBCLiBQcmFiaHUNCj4gU2VudDogMjQgSnVuZSAyMDE2IDA5OjI0DQo+DQo+ IFNub296ZSBpcyBhIHBvbGwgaWRsZSBzdGF0ZSBpbiBwb3dlcm52IGFuZCBwc2VyaWVzIHBsYXRm b3Jtcy4gU25vb3plDQo+IGhhcyBhIHRpbWVvdXQgc28gdGhhdCBpZiBhIGNwdSBzdGF5cyBpbiBz bm9vemUgZm9yIG1vcmUgdGhhbiB0YXJnZXQNCj4gcmVzaWRlbmN5IG9mIHRoZSBuZXh0IGF2YWls YWJsZSBpZGxlIHN0YXRlLCB0aGVuIGl0IHdvdWxkIGV4aXQgdGhlcmVieQ0KPiBnaXZpbmcgY2hh bmNlIHRvIHRoZSBjcHVpZGxlIGdvdmVybm9yIHRvIHJlLWV2YWx1YXRlIGFuZA0KPiBwcm9tb3Rl IHRoZSBjcHUgdG8gYSBkZWVwZXIgaWRsZSBzdGF0ZS4gVGhlcmVmb3JlIHdoZW5ldmVyIHNub296 ZSBleGl0cw0KPiBkdWUgdG8gdGhpcyB0aW1lb3V0LCBpdHMgbGFzdF9yZXNpZGVuY3kgd2lsbCBi ZSB0YXJnZXRfcmVzaWRlbmN5IG9mIG5leHQNCj4gZGVlcGVyIHN0YXRlLg0KPiANCj4gY29tbWl0 IGU5M2U1OWNlNWI4NSAoImNwdWlkbGU6IFJlcGxhY2Uga3RpbWVfZ2V0KCkgd2l0aCBsb2NhbF9j bG9jaygpIikNCj4gY2hhbmdlZCB0aGUgbWF0aCBhcm91bmQgbGFzdF9yZXNpZGVuY3kgY2FsY3Vs YXRpb24uIFNwZWNpZmljYWxseSwgd2hpbGUNCj4gY29udmVydGluZyBsYXN0X3Jlc2lkZW5jeSB2 YWx1ZSBmcm9tIG5hbm9zZWNvbmRzIHRvIG1pY3Jvc2Vjb25kcyBpdCBkb2VzDQo+IHJpZ2h0IHNo aWZ0IGJ5IDEwLiBEdWUgdG8gdGhpcywgaW4gc25vb3plIHRpbWVvdXQgZXhpdCBzY2VuYXJpb3MN Cj4gbGFzdF9yZXNpZGVuY3kgY2FsY3VsYXRlZCBpcyByb3VnaGx5IDIuMyUgbGVzcyB0aGFuIHRh cmdldF9yZXNpZGVuY3kgb2YNCj4gbmV4dCBhdmFpbGFibGUgc3RhdGUuIFRoaXMgcGF0dGVybiBp cyBwaWNrZWQgdXAgZ2V0X3R5cGljYWxfaW50ZXJ2YWwoKQ0KPiBpbiB0aGUgbWVudSBnb3Zlcm5v ciBhbmQgdGhlcmVmb3JlIGV4cGVjdGVkX2ludGVydmFsIGluIG1lbnVfc2VsZWN0KCkgaXMNCj4g ZnJlcXVlbnRseSBsZXNzIHRoYW4gdGhlIHRhcmdldF9yZXNpZGVuY3kgb2YgYW55IHN0YXRlIGJ1 dCBzbm9vemUuDQo+IA0KPiBEdWUgdG8gdGhpcyB3ZSBhcmUgZW50ZXJpbmcgc25vb3plIGF0IGEg aGlnaGVyIHJhdGUsIHRoZXJlYnkgYWZmZWN0aW5nDQo+IHRoZSBzaW5nbGUgdGhyZWFkIHBlcmZv cm1hbmNlLg0KPiANCj4gRml4IHRoaXMgYnkgcmVwbGFjaW5nIHJpZ2h0IHNoaWZ0IGJ5IDEwIHdp dGggLzEwMDAgd2hpbGUgY2FsY3VsYXRpbmcNCj4gbGFzdF9yZXNpZGVuY3kuDQo+IA0KPiBSZXBv cnRlZC1ieTogQW50b24gQmxhbmNoYXJkIDxhbnRvbkBzYW1iYS5vcmc+DQo+IEJpc2VjdGVkLWJ5 OiBTaGlscGFzcmkgRyBCaGF0IDxzaGlscGEuYmhhdEBsaW51eC52bmV0LmlibS5jb20+DQo+IFNp Z25lZC1vZmYtYnk6IFNocmV5YXMgQi4gUHJhYmh1IDxzaHJleWFzQGxpbnV4LnZuZXQuaWJtLmNv bT4NCj4gLS0tDQo+IENoYW5nZXMgaW4gdjINCj4gPT09PT09PT09PT09PQ0KPiAgLSBGaXhpbmcg aXQgaW4gdGhlIGNwdWlkbGUgY29yZSBjb2RlIGluc3RlYWQgb2YgZHJpdmVyIGNvZGUuDQo+IA0K PiAgZHJpdmVycy9jcHVpZGxlL2NwdWlkbGUuYyB8IDYgKysrLS0tDQo+ICAxIGZpbGUgY2hhbmdl ZCwgMyBpbnNlcnRpb25zKCspLCAzIGRlbGV0aW9ucygtKQ0KPiANCj4gZGlmZiAtLWdpdCBhL2Ry aXZlcnMvY3B1aWRsZS9jcHVpZGxlLmMgYi9kcml2ZXJzL2NwdWlkbGUvY3B1aWRsZS5jDQo+IGlu ZGV4IGE0ZDAwNTkuLjMwZDY3YTggMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMvY3B1aWRsZS9jcHVp ZGxlLmMNCj4gKysrIGIvZHJpdmVycy9jcHVpZGxlL2NwdWlkbGUuYw0KPiBAQCAtMjE4LDEwICsy MTgsMTAgQEAgaW50IGNwdWlkbGVfZW50ZXJfc3RhdGUoc3RydWN0IGNwdWlkbGVfZGV2aWNlICpk ZXYsIHN0cnVjdCBjcHVpZGxlX2RyaXZlciAqZHJ2LA0KPiAgCQlsb2NhbF9pcnFfZW5hYmxlKCk7 DQo+IA0KPiAgCS8qDQo+IC0JICogbG9jYWxfY2xvY2soKSByZXR1cm5zIHRoZSB0aW1lIGluIG5h bm9zZWNvbmQsIGxldCdzIHNoaWZ0DQo+IC0JICogYnkgMTAgKGRpdmlkZSBieSAxMDI0KSB0byBo YXZlIG1pY3Jvc2Vjb25kIGJhc2VkIHRpbWUuDQo+ICsJICogbG9jYWxfY2xvY2soKSByZXR1cm5z IHRoZSB0aW1lIGluIG5hbm9zZWNvbmQsIGxldCdzDQo+ICsJICogZGl2aWRlIGJ5IDEwMDAgdG8g aGF2ZSBtaWNyb3NlY29uZCBiYXNlZCB0aW1lLg0KPiAgCSAqLw0KPiAtCWRpZmYgPSAodGltZV9l bmQgLSB0aW1lX3N0YXJ0KSA+PiAxMDsNCj4gKwlkaWZmID0gKHRpbWVfZW5kIC0gdGltZV9zdGFy dCkgLyAxMDAwOw0KPiAgCWlmIChkaWZmID4gSU5UX01BWCkNCj4gIAkJZGlmZiA9IElOVF9NQVg7 DQoNClRoZSBpbnRlbnQgb2YgdGhlID4+IDEwIHdhcyBwcm9iYWJseSB0byBhdm9pZCBhbiBleHBl bnNpdmUgNjRiaXQgZGl2aWRlLg0KU28gbWF5YmUgc29tZXRoaW5nIGxpa2U6DQoJZGlmZiA9IHRp bWVfZW5kIC0gdGltZV9zdGFydDsNCglpZiAoZGlmZiA+PSBJTlRfTUFYLzIpDQoJCWRpZmZfMzIg PSBJTlRfTUFYLzIvMTAwMDsNCgllbHNlDQoJCWRpZmZfMzIgPSBkaWZmOw0KCQlkaWZmXzMyICs9 IGRpZmZfMzIgPj4gNjsNCgkJZGlmZl8zMiA+Pj0gMTA7DQoJfQ0KDQpBZGRpbmcgYW4gZXh0cmEg MS8zMiBtYWtlcyB0aGUgZGl2aXNpb24gYnkgYmUgc29tZXRoaW5nIHNsaWdodGx5IGJlbG93IDEw MDAuDQoNCglEYXZpZA0KDQo=