{"id":101190,"date":"2021-09-04T10:23:03","date_gmt":"2021-09-04T08:23:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/prekrashhenie-razrabotki-planirovshhika-zadach-muqss-i-nabora-patchej-ck-dlya-yadra-linux"},"modified":"2021-09-04T10:23:03","modified_gmt":"2021-09-04T08:23:03","slug":"prekrashhenie-razrabotki-planirovshhika-zadach-muqss-i-nabora-patchej-ck-dlya-yadra-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/prekrashhenie-razrabotki-planirovshhika-zadach-muqss-i-nabora-patchej-ck-dlya-yadra-linux","title":{"rendered":"Stopzetting van de ontwikkeling van de MuQSS-taakplanner en de set patches '-ck' voor de Linux-kernel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Con Kolivas heeft gewaarschuwd dat hij van plan is te stoppen met de ontwikkeling van zijn projecten voor de Linux-kernel, die gericht zijn op het verbeteren van de reactietijd en interactie van gebruikerstaken. Ook zal de ontwikkeling van de MuQSS-taakplanner (Multiple Queue Skiplist Scheduler, die eerder werd ontwikkeld onder de naam BFS) worden stopgezet en zal de aanpassing van de '-ck' patchset voor nieuwe kernelversies worden be\u00ebindigd.    <\/p>\n<p>Als reden wordt genoemd dat hij na 20 jaar ontwikkeling voor de Linux-kernel de interesse hierin is verloren en het moeilijk is om de vroegere motivatie terug te krijgen na zijn terugkeer naar de medische praktijk tijdens de Covid19-pandemie (Con is opgeleid als anesthesioloog en leidde tijdens de pandemie een project voor het ontwikkelen van een nieuw ontwerp van kunstmatige beademingsapparatuur en het gebruik van 3D-printing voor het maken van bijbehorende onderdelen).     <\/p>\n<p>Het is opmerkelijk dat Con Kolivas in 2007 al stopte met de ontwikkeling van de '-ck' patches vanwege de onmogelijkheid om zijn correcties in de hoofdversie van de Linux-kernel door te voeren, maar later terugkeerde naar de ontwikkeling. Als Con Kolivas deze keer geen motivatie kan vinden om door te gaan, zal de release van de 5.12-ck1 patches de laatste zijn.    <\/p>\n<p>De '-ck' patches, naast de MuQSS-taakplanner die de ontwikkeling van het BFS-project voortzet, omvatten verschillende wijzigingen die van invloed zijn op het geheugenbeheer, prioriteitsverwerking, timer-interruptgeneratie en kernelinstellingen. De belangrijkste taak van de patches is het verbeteren van de reactietijd van desktoptoepassingen. Aangezien de voorgestelde wijzigingen negatieve impact kunnen hebben op de prestaties van serversystemen, computers met een groot aantal CPU-kernen en op systemen die een groot aantal gelijktijdige processen verwerken, zijn veel van de wijzigingen van Con Kolivas niet in de hoofdversie van de kernel opgenomen, waardoor hij gedwongen werd ze te onderhouden als een aparte patchset die voor elke nieuwe kernelversie kon worden aangepast.    <\/p>\n<p>De laatste update van de '-ck' branch was de aanpassing voor kernelversie 5.12. De release van de '-ck' patches voor kernelversie 5.13 werd overgeslagen, en na de release van kernelversie 5.14 is aangekondigd dat er een einde zal komen aan de porting voor nieuwe kernelversies. Het is mogelijk dat de projecten Liquorix en Xanmod de verantwoordelijkheid voor het onderhoud van de patches kunnen overnemen, aangezien zij al gebruikmaken van elementen uit de '-ck' patchset in hun versies van de Linux-kernel.      <\/p>\n<p>Con Kolivas is bereid om het onderhoud van patches over te dragen aan anderen, maar gelooft niet dat dit een succesvolle oplossing zal zijn, aangezien alle eerdere pogingen om forks te cre\u00ebren hebben geleid tot problemen die hij probeerde te vermijden. Voor gebruikers die de meeste winst uit de basis Linux-kernel willen halen zonder de MuQSS-scheduler erop te porteren, vindt Con Kolivas dat het eenvoudigste en meest effectieve is om de patches voor het verhogen van de interruptfrequentie van de timer (HZ) tot 1000 Hz over te dragen.<br \/>\n<br \/>Bron: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55737\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043d \u041a\u043e\u043b\u0438\u0432\u0430\u0441 (Con Kolivas) \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0434\u0438\u043b \u043e \u043d\u0430\u043c\u0435\u0440\u0435\u043d\u0438\u0438 \u043f\u0440\u0435\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0443 \u0441\u0432\u043e\u0438\u0445 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432 \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u044b\u0445 \u043d\u0430 \u043f\u043e\u0432\u044b\u0448\u0435\u043d\u0438\u0435 \u043e\u0442\u0437\u044b\u0432\u0447\u0438\u0432\u043e\u0441\u0442\u0438 \u0438 \u0438\u043d\u0442\u0435\u0440\u0430\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u0437\u0430\u0434\u0430\u0447. \u0412 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0431\u0443\u0434\u0435\u0442 \u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u043f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u043f\u043b\u0430\u043d\u0438\u0440\u043e\u0432\u0449\u0438\u043a\u0430 \u0437\u0430\u0434\u0430\u0447 MuQSS (Multiple Queue Skiplist Scheduler, \u0440\u0430\u043d\u0435\u0435 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u043b\u0441\u044f \u043f\u043e\u0434 \u0438\u043c\u0435\u043d\u0435\u043c BFS) \u0438 \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u0430\u0434\u0430\u043f\u0442\u0430\u0446\u0438\u044f \u043d\u0430\u0431\u043e\u0440\u0430 \u043f\u0430\u0442\u0447\u0435\u0439 &#171;-ck&#187; \u0434\u043b\u044f \u043d\u043e\u0432\u044b\u0445 \u0432\u044b\u043f\u0443\u0441\u043a\u043e\u0432 \u044f\u0434\u0440\u0430. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0438\u0447\u0438\u043d\u044b \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442\u0441\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-101190","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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