{"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":"Interruzione dello sviluppo del pianificatore di attivit\u00e0 MuQSS e del set di patch &#171;-ck&#187; 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 utente. Tra questi, verr\u00e0 fermato lo sviluppo dello scheduler MuQSS (Multiple Queue Skiplist Scheduler, precedentemente noto come BFS) e verr\u00e0 interrotta l'adattamento del set di patch \u00ab-ck\u00bb per le nuove versioni del kernel.    <\/p>\n<p>Come motivo viene menzionata la perdita di interesse nello sviluppo per il kernel Linux dopo 20 anni di attivit\u00e0 simile e l'impossibilit\u00e0 di ritrovare la motivazione dopo essere tornato a lavorare in ambito medico durante la pandemia di Covid19 (Con \u00e8 anestesista di formazione e durante la pandemia ha guidato un progetto per lo sviluppo di un nuovo design di ventilatori polmonari e l'uso della stampa 3D per creare componenti ausiliari).     <\/p>\n<p>Va notato che nel 2007 Con Kolivas aveva gi\u00e0 interrotto lo sviluppo delle patch \u00ab-ck\u00bb a causa dell'impossibilit\u00e0 di far avanzare le sue correzioni nel nucleo principale del kernel Linux, ma poi era tornato a svilupparle. Se Con Kolivas non riuscir\u00e0 a trovare motivazione per continuare il proprio lavoro, allora il rilascio delle patch 5.12-ck1 sar\u00e0 l'ultimo.    <\/p>\n<p>Le patch &#171;-ck&#187;, oltre al pianificatore MuQSS che continua lo sviluppo del progetto BFS, includono diverse modifiche che influenzano la gestione della memoria, l'elaborazione delle priorit\u00e0, la generazione degli interrupt del timer e le impostazioni del kernel. L'obiettivo principale dei patch \u00e8 migliorare la reattivit\u00e0 delle applicazioni desktop. Poich\u00e9 le modifiche proposte possono influenzare negativamente le prestazioni dei sistemi server, dei computer con un numero elevato di core CPU e il funzionamento in condizioni di esecuzione simultanea di molti processi, molte modifiche proposte da Con Kolivas sono state rifiutate per l'inclusione nel kernel principale, e ha dovuto mantenerle come un insieme separato di patch, adattabile a ogni nuova versione del kernel.    <\/p>\n<p>L'ultimo aggiornamento del ramo &#171;-ck&#187; \u00e8 stata l'adattamento per il rilascio del kernel 5.12. Il rilascio dei patch &#171;-ck&#187; per il kernel 5.13 \u00e8 stato saltato, e dopo l'uscita del kernel 5.14 \u00e8 stato annunciato l'intento di interrompere il porting per le nuove versioni del kernel. \u00c8 possibile che il testimone della manutenzione dei patch possa essere preso dai progetti Liquorix e Xanmod, che gi\u00e0 utilizzano nei loro kernel Linux delle innovazioni dal set &#171;-ck&#187;.      <\/p>\n<p>Kon Kolivas \u00e8 pronto a trasferire il supporto delle patch ad altre mani, ma non crede che sar\u00e0 una soluzione vantaggiosa, poich\u00e9 tutti i tentativi precedenti di creare fork hanno portato a problemi che cercava di evitare. Per gli utenti che desiderano ottenere il massimo dal kernel Linux di base senza porting del pianificatore MuQSS, Kon Kolivas ritiene che la soluzione 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 One SEO 5.0.0.1 - 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