From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tvrtko Ursulin Subject: [PATCH v3] drm/i915/pmu: Inspect runtime PM state more carefully while estimating RC6 Date: Tue, 10 Apr 2018 12:27:04 +0100 Message-ID: <20180410112704.24462-1-tvrtko.ursulin@linux.intel.com> References: <152335754222.3167.5335527274394190331@mail.alporthouse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail-wm0-x244.google.com (mail-wm0-x244.google.com [IPv6:2a00:1450:400c:c09::244]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8065A6E3C5 for ; Tue, 10 Apr 2018 11:27:15 +0000 (UTC) Received: by mail-wm0-x244.google.com with SMTP id w2so21339277wmw.1 for ; Tue, 10 Apr 2018 04:27:15 -0700 (PDT) In-Reply-To: <152335754222.3167.5335527274394190331@mail.alporthouse.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org RnJvbTogVHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KCldoaWxlIHRo aW5raW5nIGFib3V0IHNwb3JhZGljIGZhaWx1cmVzIG9mIHBlcmZfcG11L3JjNi1ydW50aW1lLXBt KiB0ZXN0cwpvbiBzb21lIENJIG1hY2hpbmVzIEkgaGF2ZSBjb25jbHVkZWQgdGhhdDogYSkgdGhl IFBNVSByZWFkb3V0IG9mIFJDNiBjYW4KcmFjZSBhZ2FpbnN0IHJ1bnRpbWUgUE0gdHJhbnNpdGlv bnMsIGFuZCBiKSB0aGVyZSBhcmUgb3RoZXIgcmVhc29ucyB0aGFuCmJlaW5nIHJ1bnRpbWUgc3Vz cGVuZGVkIHdoaWNoIGNhbiBjYXVzZSBpbnRlbF9ydW50aW1lX3BtX2dldF9pZl9pbl91c2UgdG8K ZmFpbC4KClRoZXJlZm9yZSB3aGVuIGVzdGltYXRpbmcgUkM2IHRoZSBjb2RlIG5lZWRzIHRvIGFz c2VydCB3ZSBhcmUgaW5kZWVkIGluCnN1c3BlbmRlZCBzdGF0ZSwgYW5kIGlmIG5vdCwgdGhlIGJl c3Qgd2UgY2FuIGRvIGlzIHJldHVybiB0aGUgbGFzdCBrbm93bgpSQzYgdmFsdWUuCgpXaXRob3V0 IHRoaXMgY2hlY2sgd2UgY2FuIGNhbGN1bGF0ZSB0aGUgZXN0aW1hdGVkIHZhbHVlIGJhc2VkIG9u IHVuLQppbml0aWFsaXplZCBvciBpbmFwcHJvcHJpYXRlIGludGVybmFsIHN0YXRlLCB3aGljaCBj YW4gcmVzdWx0IGluIG92ZXItCmVzdGltYXRpb24sIG9yIGluIGFueSBjYXNlIGluY29ycmVjdCB2 YWx1ZSBiZWluZyByZXR1cm5lZC4KCnYyOgogKiBSZS1hcnJhbmdlIHRoZSBjb2RlIGEgYml0IHRv IGF2b2lkIHNlY29uZCB1bmxvY2sgYW5kIHJldHVybiBicmFuY2guCiAgIChDaHJpcyBXaWxzb24p Cgp2MzoKICogSW5zZXJ0IHNvbWUgc3RyYXRlZ2ljIGJsYW5rIGxpbmVzIGFuZCBpbXByb3ZlIGNv bW1pdCBtc2cuCiAgIChDaHJpcyBXaWxzb24pCgpTaWduZWQtb2ZmLWJ5OiBUdnJ0a28gVXJzdWxp biA8dHZydGtvLnVyc3VsaW5AaW50ZWwuY29tPgpGaXhlczogMWZlNjk5ZTMwMTEzICgiZHJtL2k5 MTUvcG11OiBGaXggc2xlZXAgdW5kZXIgYXRvbWljIGluIFJDNiByZWFkb3V0IikKQnVnemlsbGE6 IGh0dHBzOi8vYnVncy5mcmVlZGVza3RvcC5vcmcvc2hvd19idWcuY2dpP2lkPTEwNTAxMApDYzog VHZydGtvIFVyc3VsaW4gPHR2cnRrby51cnN1bGluQGludGVsLmNvbT4KQ2M6IENocmlzIFdpbHNv biA8Y2hyaXNAY2hyaXMtd2lsc29uLmNvLnVrPgpDYzogSW1yZSBEZWFrIDxpbXJlLmRlYWtAaW50 ZWwuY29tPgpSZXZpZXdlZC1ieTogQ2hyaXMgV2lsc29uIDxjaHJpc0BjaHJpcy13aWxzb24uY28u dWs+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9wbXUuYyB8IDM3ICsrKysrKysrKysr KysrKysrKysrKysrKysrKy0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCAyNyBpbnNlcnRpb25z KCspLCAxMCBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9p OTE1X3BtdS5jIGIvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9wbXUuYwppbmRleCBiZDdlNjk1 ZmM2NjMuLjkxMzVkMGFkYTEyOCAxMDA2NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkx NV9wbXUuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X3BtdS5jCkBAIC00NzMsMjAg KzQ3MywzNyBAQCBzdGF0aWMgdTY0IGdldF9yYzYoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmk5 MTUpCiAJCXNwaW5fbG9ja19pcnFzYXZlKCZpOTE1LT5wbXUubG9jaywgZmxhZ3MpOwogCQlzcGlu X2xvY2soJmtkZXYtPnBvd2VyLmxvY2spOwogCi0JCWlmICghaTkxNS0+cG11LnNhbXBsZVtfX0k5 MTVfU0FNUExFX1JDNl9FU1RJTUFURURdLmN1cikKLQkJCWk5MTUtPnBtdS5zdXNwZW5kZWRfamlm Zmllc19sYXN0ID0KLQkJCQkJCWtkZXYtPnBvd2VyLnN1c3BlbmRlZF9qaWZmaWVzOworCQkvKgor CQkgKiBBZnRlciB0aGUgYWJvdmUgYnJhbmNoIGludGVsX3J1bnRpbWVfcG1fZ2V0X2lmX2luX3Vz ZSBmYWlsZWQKKwkJICogdG8gZ2V0IHRoZSBydW50aW1lIFBNIHJlZmVyZW5jZSB3ZSBjYW5ub3Qg YXNzdW1lIHdlIGFyZSBpbgorCQkgKiBydW50aW1lIHN1c3BlbmQgc2luY2Ugd2UgY2FuIGVpdGhl cjogYSkgcmFjZSB3aXRoIGNvbWluZyBvdXQKKwkJICogb2YgaXQgYmVmb3JlIHdlIHRvb2sgdGhl IHBvd2VyLmxvY2ssIG9yIGIpIHRoZXJlIGFyZSBvdGhlcgorCQkgKiBzdGF0ZXMgdGhhbiBzdXNw ZW5kZWQgd2hpY2ggY2FuIGJyaW5nIHVzIGhlcmUuCisJCSAqCisJCSAqIFdlIG5lZWQgdG8gZG91 YmxlLWNoZWNrIHRoYXQgd2UgYXJlIGluZGVlZCBjdXJyZW50bHkgcnVudGltZQorCQkgKiBzdXNw ZW5kZWQgYW5kIGlmIG5vdCB3ZSBjYW5ub3QgZG8gYmV0dGVyIHRoYW4gcmVwb3J0IHRoZSBsYXN0 CisJCSAqIGtub3duIFJDNiB2YWx1ZS4KKwkJICovCisJCWlmIChrZGV2LT5wb3dlci5ydW50aW1l X3N0YXR1cyA9PSBSUE1fU1VTUEVOREVEKSB7CisJCQlpZiAoIWk5MTUtPnBtdS5zYW1wbGVbX19J OTE1X1NBTVBMRV9SQzZfRVNUSU1BVEVEXS5jdXIpCisJCQkJaTkxNS0+cG11LnN1c3BlbmRlZF9q aWZmaWVzX2xhc3QgPQorCQkJCQkJICBrZGV2LT5wb3dlci5zdXNwZW5kZWRfamlmZmllczsKIAot CQl2YWwgPSBrZGV2LT5wb3dlci5zdXNwZW5kZWRfamlmZmllcyAtCi0JCSAgICAgIGk5MTUtPnBt dS5zdXNwZW5kZWRfamlmZmllc19sYXN0OwotCQl2YWwgKz0gamlmZmllcyAtIGtkZXYtPnBvd2Vy LmFjY291bnRpbmdfdGltZXN0YW1wOworCQkJdmFsID0ga2Rldi0+cG93ZXIuc3VzcGVuZGVkX2pp ZmZpZXMgLQorCQkJICAgICAgaTkxNS0+cG11LnN1c3BlbmRlZF9qaWZmaWVzX2xhc3Q7CisJCQl2 YWwgKz0gamlmZmllcyAtIGtkZXYtPnBvd2VyLmFjY291bnRpbmdfdGltZXN0YW1wOwogCi0JCXNw aW5fdW5sb2NrKCZrZGV2LT5wb3dlci5sb2NrKTsKKwkJCXZhbCA9IGppZmZpZXNfdG9fbnNlY3Mo dmFsKTsKKwkJCXZhbCArPSBpOTE1LT5wbXUuc2FtcGxlW19fSTkxNV9TQU1QTEVfUkM2XS5jdXI7 CiAKLQkJdmFsID0gamlmZmllc190b19uc2Vjcyh2YWwpOwotCQl2YWwgKz0gaTkxNS0+cG11LnNh bXBsZVtfX0k5MTVfU0FNUExFX1JDNl0uY3VyOwotCQlpOTE1LT5wbXUuc2FtcGxlW19fSTkxNV9T QU1QTEVfUkM2X0VTVElNQVRFRF0uY3VyID0gdmFsOworCQkJaTkxNS0+cG11LnNhbXBsZVtfX0k5 MTVfU0FNUExFX1JDNl9FU1RJTUFURURdLmN1ciA9IHZhbDsKKwkJfSBlbHNlIGlmIChpOTE1LT5w bXUuc2FtcGxlW19fSTkxNV9TQU1QTEVfUkM2X0VTVElNQVRFRF0uY3VyKSB7CisJCQl2YWwgPSBp OTE1LT5wbXUuc2FtcGxlW19fSTkxNV9TQU1QTEVfUkM2X0VTVElNQVRFRF0uY3VyOworCQl9IGVs c2UgeworCQkJdmFsID0gaTkxNS0+cG11LnNhbXBsZVtfX0k5MTVfU0FNUExFX1JDNl0uY3VyOwor CQl9CiAKKwkJc3Bpbl91bmxvY2soJmtkZXYtPnBvd2VyLmxvY2spOwogCQlzcGluX3VubG9ja19p cnFyZXN0b3JlKCZpOTE1LT5wbXUubG9jaywgZmxhZ3MpOwogCX0KIAotLSAKMi4xNC4xCgpfX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZnggbWFp bGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5m cmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK