{"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\/it\/blog\/news\/prekrashhenie-razrabotki-planirovshhika-zadach-muqss-i-nabora-patchej-ck-dlya-yadra-linux","title":{"rendered":"Cessazione dello sviluppo del pianificatore di attivit\u00e0 MuQSS e del set di patch \u00ab-ck\u00bb per il kernel Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Con Kolivas ha avvertito della sua intenzione di interrompere lo sviluppo dei suoi progetti per il kernel Linux, mirati a migliorare la reattivit\u00e0 e l'interattivit\u00e0 delle attivit\u00e0 degli utenti. Compreso il fermo dello sviluppo dello scheduler MuQSS (Multiple Queue Skiplist Scheduler, precedentemente noto come BFS) e la cessazione dell'adattamento del set di patch \u00ab-ck\u00bb per le nuove versioni del kernel.    <\/p>\n<p>Come motivo si cita la perdita di interesse per lo sviluppo per il kernel Linux dopo 20 anni di attivit\u00e0 e l'impossibilit\u00e0 di recuperare la motivazione dopo il ritorno all'attivit\u00e0 medica durante la pandemia di Covid19 (per formazione Con \u00e8 anestesista e durante la pandemia ha guidato un progetto per lo sviluppo di un nuovo design di dispositivi di ventilazione polmonare e l'uso della stampa 3D per la creazione di componenti correlati).     <\/p>\n<p>\u00c8 interessante notare che nel 2007 Con Kolivas aveva gi\u00e0 interrotto lo sviluppo delle patch \u00ab-ck\u00bb a causa dell'impossibilit\u00e0 di far progredire le sue correzioni nel core del kernel Linux, ma poi torn\u00f2 a svilupparle. Se questa volta Con Kolivas non riuscir\u00e0 a trovare la motivazione per continuare il lavoro, la rilascio delle patch 5.12-ck1 sar\u00e0 l'ultima.    <\/p>\n<p>Le patch \u00ab-ck\u00bb, oltre allo scheduler MuQSS, che continua a sviluppare il progetto BFS, includono vari cambiamenti che influenzano il funzionamento del sistema di gestione della memoria, il trattamento delle priorit\u00e0, la generazione delle interruzioni del timer e le configurazioni del kernel. L'obiettivo principale delle patch \u00e8 migliorare la reattivit\u00e0 delle applicazioni desktop. Poich\u00e9 le modifiche proposte possono influire negativamente sulle prestazioni dei sistemi server, computer con un gran numero di CPU e sul funzionamento in condizioni di esecuzione simultanea di numerosi processi, molte delle modifiche di Con Kolivas non sono state accettate nel core e ha dovuto mantenerle in forma di un insieme separato di patch, adattabile a ogni nuova versione del kernel.    <\/p>\n<p>L'ultima aggiornamento del ramo \u00ab-ck\u00bb \u00e8 stata l'adattamento per il rilascio del kernel 5.12. Il rilascio delle patch \u00ab-ck\u00bb per il kernel 5.13 \u00e8 stato saltato, e dopo l'uscita del kernel 5.14 \u00e8 stata annunciata l'intenzione di interrompere il porting per le nuove versioni del kernel. \u00c8 possibile che il testimone della manutenzione delle patch possa essere preso dai progetti Liquorix e Xanmod, che gi\u00e0 utilizzano nei loro kernel Linux sviluppi del set \u00ab-ck\u00bb.      <\/p>\n<p>Con Kolivas \u00e8 pronto a trasferire la gestione delle patch ad altre mani, ma non crede che sia una soluzione vincente, poich\u00e9 tutti i precedenti tentativi di creare fork hanno portato a problemi che ha cercato di evitare. Per gli utenti che desiderano ottenere il massimo vantaggio dall'uso del kernel Linux senza portare il pianificatore MuQSS su di esso, Con Kolivas ritiene che la cosa pi\u00f9 semplice ed efficace sia trasferire le patch per aumentare la frequenza di generazione delle interruzioni dal timer (HZ) a 1000 Hz.<br \/>\n<br \/>Fonte: <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 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