Ukusebenzisa imiyalelo ethi "Nice" kunye ne "Renice" kwi-Linux

Yonke into ephambili.

Iifayile zeLinux zinokuqhuba ezininzi iinkqubo (imisebenzi) kanyekanye. Nangona i-CPU inamaprosesa amaninzi okanye amaqhekeza, inani leenkqubo ngokubanzi lidlula inani lenkokhelo ekhoyo. Ingumsebenzi weKernel kernel ukusabalalisa iikhompyutri ze CPU kwiinkqubo ezisebenzayo.

Ndikulungele ukufumana phambili ngokuchanekileyo

Ngokungagqibekanga, zonke iinkqubo ziqwalaselwa ngokukhawuleza kwaye zanikwa inani elifanayo lexesha le-CPU. Ukunika amandla umsebenzisi ukutshintsha ukubaluleka kweenkqubo, iLinux idibanisa ipharamitha ephambili ngomsebenzi ngamnye ongasetyenzwa okanye utshintshwe ngumsebenzisi. I-kernel ye Linux igcina ixesha le-CPU kwinkqubo nganye ngokusekelwe kwixabiso layo eliphambili.

Iparameter enhle isetyenziselwa le njongo. Ihamba ukusuka kwi-20 ukuya kutsho kunye no-19 kwaye inokuthatha ixabiso elipheleleyo kuphela. Ixabiso lokunciphisa i-20 limele iqela eliphambili, ngelixa-19 imele iphantsi. Inyaniso yokuba inqanaba eliphambili leyona nto ibonakaliswe yinyani eninzi kakhulu ayiyinto engabonakaliyo; nangona kunjalo, ukuqhuba kwindawo ephambili ibonwa ngokuthi "nicer," kuba ivumela ezinye iinkqubo ukusebenzisa isabelo esikhulu sexesha le-CPU.

Ukudlala kakuhle

Ukusebenzisa umyalelo omnandi uqala inkqubo entsha (umsebenzi) kwaye uyayinika into ephambili (enhle) xabiso ngexesha elifanayo. Ukutshintsha ingqwalasela yenkqubo esele isebenzayo, sebenzisa umyalelo wenkcazelo .

Umzekelo, umgca welayini olandelayo uqala inkqubo "enkulu-msebenzi," ukubeka ixabiso elihle ukuya ku-12:

enomsebenzi -12 omkhulu

Qaphela ukuba udada phambi kwe-12 alubonakalisi uphawu lokunciphisa. Inomsebenzi oqhelekileyo wokumakisha iflegi idlulisiwe njengengxabano kumyalelo omnandi.

Ukusetha ixabiso elincinci kwi-12 ye-12, faka enye idatha:

mnandi -12 omkhulu msebenzi

Khumbula ukuba iimpawu ezintle eziphantsi zihambelana neyona nto ephambili. Ngoko -12 inokubaluleka kokuphambili kwe-12. Ixabiso elihle elingagqibekanga li-0. Abasebenzisi abahlala rhoqo banokubeka izinto eziphambili kwizinto eziphambili (ixabiso elincinci elincinci) .Ukusebenzisa izinto eziphambili kwizinto eziphambili (amanani amahle angalungileyo), amalungelo okulawula ayadingeka.

Unokutshintsha indawo ephambili yomsebenzi osele usebenze usebenzisa inzuzo:

i-17 -p 1134

Oku kutshintsha ixabiso elihle lomsebenzi kunye nenkqubo yed id 1134 ukuya ku-17 Kule meko, akukho dash isetyenziswe kwindlela yokwenza umyalelo xa ucacisa ixabiso elihle. Umyalelo olandelayo utshintsha ixabiso elihle lenkqubo 1134 ukuya ku -3:

ukubiza -3 -p 1134

Ukuprinta uludwe lweenkqubo ezikhoyo , sebenzisa i-ps umyalelo. Ukongeza "l" (njengokuthi "uludwe") uluhlu lukhetha uluhlu oluhle phantsi kwekholam ethi "NI." Umzekelo:

ps -al