linux scheduling presented by quontrasolutions

8/11/2019 Linux Scheduling Presented by Quontrasolutions

1/17

Hadux [ke`luh`rSuodtrc [ohutaods

Yaod``r ad A\ Odhad` \rcadadb

@fcah=adjoIquodtrcsohutaods.kof


2/17

[ke`luhadb Gcsaks\csns cr` laval`l adto ter`` broups, r`ch taf`

prok`ss`s, AO goudl, cdl KYP goudl

W`ch \af` - @xtr`f`hy eabe ske`luhadbr`quar`f`dts, d``ls c bucrcdt`` od eow ojt`d te`y

wahh rud, usuchhy te` eabe`st praoraty prok`ss ad c

syst`f

AO goudl - prok`ss`s tect sp`dl fost oj te`ar taf`wcatadb jor lctc boadb to or kofadb jrof te` lasn


3/17

[ke`luhadb Gcsaks kodt.KYP goudl - Yrok`ss`s tect kodsuf`hcrb` cfoudts oj kpu

\af` shak` - cfoudt oj taf` tect c prok`sskcd rud od te` KYP

Yr``fptaod - Re`d te` `x`kutaod oj te`kurr`dthy ruddadb prok`ss as adt`rrupt`l ad

orl`r to rud c lajj`r`dt, eabe`r praoratyprok`ss


4/17

\e` ske`luh` judktaod[ke`luh`() as te` judktaod ad te` hadux n`rd`h tectlo`s te` cktuch ske`luhadb

Ecs fuhtaph` wcys oj g`adb rudWuds we`d c d`w prok`ss d``ls to g` s`h`kt`ljor ske`luhadb

As kchh`l we`d te` kurr`dthy ruddadb prok`ss as

ghokn`l, wcatadb jor c r`sourk`@cke prok`ssor kcd kchh ske`luh` od ats owd

Fcdy l`vak` lrav`rs wahh kchh ske`luh`


5/17

7.< Gcsaks3


6/17

[ke`luh`_lctcstrukt ske`luh`_lctc {

strukt tcsn_strukt * kurr>

kykh`s_t hcst_ske`luh`>

} ske`luh`_lctc>

kecr __pcl

^[FY_KCKE@_GQ\@[V>


7/17

[ke`luh`_lctc `xphcad`l

W`fcrncghy safph` lctc struktur`

L`jad`l ad ske`l.k

Kodtcads c taf` stcfp oj te` hcst

prok`ss swatke

Chso kodtcads c poadt`r to te` prok`ss

tect as kurr`dthy ruddadb


8/17

7.< [FYW`ske`luh`_alh` ke`kns to s`` aj te`prok`ss tect must fov`l out oj te`

ruddadb stct` seouhl g` fov`l to clajj`r`dt kpu

At lo`sdt us` te` koudt`r cdl dak`vchu`s lar`kthy, at us`s te` boold`ss

judktaod to ke`kn praorata`sBoold`ss tcn`s adto ckkoudt te` kostoj fovadb c prok`ss ckross kpus


9/17

7.: Gcsaks

0299 Had`s oj kol`Wud quù` cdl praoraty crrcys cr` te` gcsak

lctc struktur`s

Od` rud quù` p`r prok`ssor

\wo praoraty crrcys p`r rud quù`


10/17

Wud Su`u` spadhokn_t hokn>udsabd`l hodb dr_ruddadb>#ajl`j KODJAB_[FY

udsabd`l hodb prao_gacs>

udsabd`l hodb kpu_hocl^;V>#`dlaj

udsabd`l hodb hodb dr_swatke`s>

udsabd`l hodb dr_udadt`rruptagh`>

udsabd`l hodb `xpar`l_taf`stcfp>

udsabd`l hodb hodb taf`stcfp_hcst_takn>

tcsn_t *kurr, *alh`>strukt ff_strukt *pr`v_ff>

prao_crrcy_t *cktav`, *`xpar`l, crrcys^7V>

adt g`st_`xpar`l_prao>

ctofak_t dr_aowcat>

#ajl`j KODJAB_[FY

strukt ske`l_lofcad *sl>adt cktav`_gchcdk`>

adt puse_kpu>

tcsn_t *fabrctaod_ter`cl>

strukt hast_e`cl fabrctaod_qu`u`>

#`dlaj


11/17

Wud qu`u` `xphcad`l

Yrafcry ske`luhadb lctc struktur`

L`jad`l ad ske`l.k

D``ls to g` hokn`l g`jor` atsfolaja`l

Hokns cr` ogtcad`l od fuhtaph`

rud qu`u`s ad csk`dladb orl`r


12/17

Yraoraty Crrcy

strukt prao_crrcy {

udsabd`l adt dr_cktav`>

udsabd`l hodbgatfcp^GA\FCY_[A]@V>

strukt hast_e`cl qu`u`^FCU_YWAOV>

}>


13/17

Yraoraty Crrcys `xphcad`lL`jad`l ad ske`l.kYroval`s kodstcdt ruddadb taf` jor te` ske`luhadbchboratef

Kodtcads hasts oj ruddcgh` prok`ss`s ct `cke

praoraty h`v`hC gatfcp as us`l to `jjaka`dthy laskov`r te`eabe`st praoraty prok`ss

Re`d c tcsn wate praoraty 39 g`kof`s ruddcgh`gat 39 ad te` gatfcp b`ts s`t to 3


14/17

7.: [FY

Hocl_gchcdk` as te` judktaod tect fcn`ssur` `cke prok`ssor ecs c r`hctav`hy `quch

dufg`r oj prok`ss`s od at

Odhy as rud od fuhta prok`ssor syst`fsWuds `v`ry fahhas`kodl we`d te` syst`f as

alh` or `v`ry 799 fahhas`kodls

Odhy tcsns tect cr` dot ruddadb cr` fov`l


15/17

Gab O ruddadb taf`s

\e` 7.: n`rd`h ecs ckodstcdt ruddadb taf`

O(3)

H`cls to g`tt`r skchcgahaty

tecd te` 7.< n`rd`hChso ecs c fuke for`

kofph`x afph`f`dtctaod

\af` shak`s cr`

kchkuhct`l we`d cprok`sss taf`shak` asus`l, g`jor` at fov`s tote` `xpar`l crrcy

7.< n`rd`h ecs c

had`cr ruddadb taf`

ad te` worst kcs`

Hoops ov`r te`prok`ss hast ct te`

`dl oj `cke taf`

qucdtuf

W`kchkuhct`s `cke

prok`ss`ss taf`

shak`


16/17

W`ch taf` lajj`r`dk`s

7.: proval`s sojt

r`ch taf` support

W`ch taf`

prok`ss`s wahh

pr``fpt r`buhcr

prok`ss`s

W`ch taf` praorata`s

cr` s`t stctakchhy

Dot chh v`rsaods oj te`7.< n`rd`h kcd ojj`rcdy r`ch taf`

bucrcdt``sDot chh v`rsaods oj te`7.< n`rd`h ojj`r

pr``fptaodYraoraty adv`rsaodokkurs jr`qu`dthy adte` 7.< n`rd`h


17/17

W`j`r`dk`sPdl`rstcdladb te` Hadux N`rd`h 7dl @lataod

N`rd`h d`wga`s

Hadux N`rd`h Kross W`j`r`dk`

Hadux N`rd`h L`v`hopf`dt

Hadux L`vak` Lrav`rs ;rl @lataod
mailto:http://www.amazon.com/gp/product/0596002130/sr=8-2/qid=1140029853/ref=pd_bbs_2/104-6503296-1311937%3F%5Fencoding=UTF8mailto:http://www.kernelnewbies.orgmailto:http://lxr.linux.no/mailto:http://www.amazon.com/gp/product/0672327201/qid=1140029948/sr=2-1/ref=pd_bbs_b_2_1/104-6503296-1311937%3Fs=books%26v=glance%26n=283155mailto:http://www.amazon.com/gp/product/0596005903/ref=pd_bxgy_text_b/104-6503296-1311937%3F%5Fencoding=UTF8mailto:http://www.amazon.com/gp/product/0596005903/ref=pd_bxgy_text_b/104-6503296-1311937%3F%5Fencoding=UTF8mailto:http://www.amazon.com/gp/product/0672327201/qid=1140029948/sr=2-1/ref=pd_bbs_b_2_1/104-6503296-1311937%3Fs=books%26v=glance%26n=283155mailto:http://lxr.linux.no/mailto:http://www.kernelnewbies.orgmailto:http://www.amazon.com/gp/product/0596002130/sr=8-2/qid=1140029853/ref=pd_bbs_2/104-6503296-1311937%3F%5Fencoding=UTF8

linux scheduling presented by quontrasolutions

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