{"id":758820,"date":"2020-05-21T10:19:57","date_gmt":"2020-05-21T14:19:57","guid":{"rendered":"https:\/\/www.prime-wow.com\/?p=758820"},"modified":"2020-05-21T10:19:57","modified_gmt":"2020-05-21T14:19:57","slug":"the-pseudo-cpuidle-driver","status":"publish","type":"post","link":"https:\/\/www.prime-wow.com\/?p=758820","title":{"rendered":"[$] The pseudo cpuidle driver"},"content":{"rendered":"<p>The purpose of a cpuidle governor is to decide which idle state a CPU<br \/>\nshould go into when it has no useful work to do; the cpuidle <i>driver<\/i><br \/>\nthen actually puts the CPU<br \/>\ninto that state.  But, at the 2020 <a href=\"http:\/\/retis.sssup.it\/ospm-summit\/\">Power Management and Scheduling<br \/>\nin the Linux Kernel summit<\/a> (OSPM), Abhishek Goel presented a new<br \/>\ncpuidle driver that doesn&#8217;t actually change the processor&#8217;s power state at all.<br \/>\nSuch a driver will clearly save no power, but it can be quite useful as a<br \/>\ntool for evaluating and debugging cpuidle policies.&#013;<br \/>\n&#013;<br \/>\nSource: LWN.net &#8211; <a href=\"https:\/\/lwn.net\/Articles\/820870\/rss\" target=\"_blank\" rel=\"noopener noreferrer\">[$] The pseudo cpuidle driver<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The purpose of a cpuidle governor is to decide which idle state a CPU should go into when it has no useful work to do; the cpuidle driver then actually puts the CPU into that state. But, at the 2020 &hellip; <a href=\"https:\/\/www.prime-wow.com\/?p=758820\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[72],"tags":[75],"class_list":["post-758820","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/758820","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=758820"}],"version-history":[{"count":0,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/758820\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=758820"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=758820"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=758820"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}