{"id":260547,"date":"2023-01-06T09:00:51","date_gmt":"2023-01-06T01:00:51","guid":{"rendered":"https:\/\/gulass.cn\/?p=260547"},"modified":"2023-01-04T21:33:51","modified_gmt":"2023-01-04T13:33:51","slug":"amd-state-linux","status":"publish","type":"post","link":"https:\/\/gulass.cn\/amd-state-linux.html","title":{"rendered":"AMD \u53d1\u5e03 P-State EPP v9 \u9a71\u52a8"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>\u5728\u9519\u8fc7\u4e86 Linux 6.2 \u5185\u6838\u5408\u5e76\u7a97\u53e3\u540e\uff0cAMD \u7684 P-State EPP (Energy Performance Preference) \u9a71\u52a8\u73b0\u5728\u5df2\u8fed\u4ee3\u5230\u4e86\u7b2c\u4e5d\u6b21\u4fee\u8ba2\u7248\u672c\uff1b\u5728\u73b0\u6709\u7684 P-State \u9a71\u52a8\u652f\u6301\u57fa\u7840\u4e0a\uff0c\u5176\u4f3c\u4e4e\u6709\u671b\u5728 Linux 6.3 \u4e2d\u6210\u529f\u5408\u5e76\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>AMD Linux \u5de5\u7a0b\u5e08 Perry Yuan \u53d1\u5e03\u4e86\u7b2c\u4e5d\u7248 P-State EPP \u9a71\u52a8\u7a0b\u5e8f\u8865\u4e01\uff0c\u65e8\u5728\u63d0\u9ad8\u73b0\u6709\u548c\u4e3b\u7ebf AMD P-State \u9a71\u52a8\u7a0b\u5e8f\u7684\u6027\u80fd\u548c power control\u3002\u6b64\u529f\u80fd\u57fa\u4e8e ACPI CPPC EPP knob \u6784\u5efa\u3002<\/p>\n<p>\u8fd9\u4e2a\u8865\u4e01\u96c6\u5b9e\u73b0\u4e86\u4e00\u4e2a\u65b0\u7684 AMD CPU \u9891\u7387\u9a71\u52a8\u7a0b\u5e8f amd-pstate-epp \u5b9e\u4f8b\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u6027\u80fd\u548c power control\u3002CPPC \u6709\u4e00\u4e2a\u53c2\u6570\u53eb\u505a energy preference performance (EPP)\u3002EPP \u5728 CCLK DPM controller \u4e2d\u7528\u4e8e\u9a71\u52a8\u4e00\u4e2a\u6838\u5fc3\u5728\u77ed\u671f\u6d3b\u52a8\u671f\u95f4\u8981\u8fd0\u884c\u7684\u9891\u7387\u3002EPP \u503c\u5c06\u7528\u4e8e\u4e0d\u540c\u7684\u64cd\u4f5c\u7cfb\u7edf\u914d\u7f6e\u6587\u4ef6  (balanced, performance, power savings)\u3002<\/p>\n<p>AMD Energy Performance Preference (EPP) \u4f1a\u5411\u786c\u4ef6\u63d0\u4f9b\u4e00\u4e2a\u63d0\u793a\uff0c\u5982\u679c\u8f6f\u4ef6\u8981\u504f\u5411\u6027\u80fd (0x0) \u6216\u80fd\u6548  (0xff) \uff0c\u4f4e\u7ea7\u7535\u6e90\u56fa\u4ef6\u5c06\u6839\u636e EPP \u504f\u597d\u503c\u6765\u8ba1\u7b97\u8fd0\u884c\u65f6\u7684\u9891\u7387\u3002\u56e0\u6b64\uff0cEPP \u63d0\u793a\u5c06\u5f71\u54cd CPU \u5185\u6838\u7684\u9891\u7387\u54cd\u5e94\u6027\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gulass.cn\/wp-content\/uploads\/2022\/12\/up-9c75097c70488c0a95456d3b2966b8fe7ec.webp\" alt=\"\" width=\"1619\" height=\"754\" class=\"alignnone size-full wp-image-260548\" srcset=\"https:\/\/gulass.cn\/wp-content\/uploads\/2022\/12\/up-9c75097c70488c0a95456d3b2966b8fe7ec.webp 1619w, https:\/\/gulass.cn\/wp-content\/uploads\/2022\/12\/up-9c75097c70488c0a95456d3b2966b8fe7ec-300x140.webp 300w, https:\/\/gulass.cn\/wp-content\/uploads\/2022\/12\/up-9c75097c70488c0a95456d3b2966b8fe7ec-1024x477.webp 1024w, https:\/\/gulass.cn\/wp-content\/uploads\/2022\/12\/up-9c75097c70488c0a95456d3b2966b8fe7ec-768x358.webp 768w, https:\/\/gulass.cn\/wp-content\/uploads\/2022\/12\/up-9c75097c70488c0a95456d3b2966b8fe7ec-1536x715.webp 1536w\" sizes=\"auto, (max-width: 1619px) 100vw, 1619px\" \/><\/p>\n<p>\u6b64\u5916\uff0cAMD Linux \u5de5\u7a0b\u5e08\u4e5f\u4e00\u76f4\u5728\u81f4\u529b\u4e8e P-State \u7684 Guided Autonomous Mode\u3002 <\/p>\n<p>v9 \u8865\u4e01\u96c6\u4e2d\u5df2\u7ecf\u8fdb\u884c\u4e86\u4ee3\u7801\u66f4\u65b0\uff0c\u4ee5\u89e3\u51b3\u4e4b\u524d\u4e0a\u6e38\u4ee3\u7801\u5ba1\u67e5\u4e2d\u63d0\u51fa\u7684\u53cd\u9988\u3001\u989d\u5916\u7684 \u201creviewed-by\u201d tags \u548c\u5176\u4ed6\u4e00\u4e9b\u57fa\u672c\u4fee\u590d\u3002\u79d1\u6280\u7f51\u7ad9 Phoronix \u79f0\uff0cAMD P-State EPP \u4ee3\u7801\u4f3c\u4e4e\u7ec8\u4e8e\u5c18\u57c3\u843d\u5b9a\uff0c\u4ee5\u63d0\u9ad8\u73b0\u4ee3 Ryzen \u548c EPYC \u5904\u7406\u5668\u7684\u529f\u7387 \/ \u6027\u80fd\u6548\u7387\u3002\u201c\u5e0c\u671b\u6211\u4eec\u80fd\u770b\u5230\u5b83\u4eec\u5728 Linux 6.3 \u4e2d\u6210\u4e3a mainlined\uff0c\u4ee5\u5e2e\u52a9\u6539\u5584\u76ee\u524d\u4f7f\u7528 AMD P-State \u7684\u67d0\u4e9b\u9886\u57df\u7684\u6027\u80fd\uff1b\u4e0e\u901a\u7528\u7684 ACPI CPUFreq \u9a71\u52a8\u76f8\u6bd4\uff0c\u8fd9\u4e9b\u9886\u57df\u7684\u6027\u80fd\u8fd8\u6709\u6240\u5dee\u8ddd\u3002\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>AMD Linux \u5de5\u7a0b\u5e08 Perry Yuan \u53d1\u5e03\u4e86\u7b2c\u4e5d\u7248 P-State EPP \u9a71\u52a8\u7a0b\u5e8f\u8865\u4e01\uff0c\u65e8\u5728\u63d0\u9ad8 [&hellip;]<\/p>\n","protected":false},"author":668,"featured_media":254359,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-260547","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/260547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/users\/668"}],"replies":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/comments?post=260547"}],"version-history":[{"count":3,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/260547\/revisions"}],"predecessor-version":[{"id":261065,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/posts\/260547\/revisions\/261065"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media\/254359"}],"wp:attachment":[{"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/media?parent=260547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/categories?post=260547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gulass.cn\/wp-json\/wp\/v2\/tags?post=260547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}