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ubuntu查看系统资源占用 - 百度文库

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  • 2025/6/22 9:03:38

linux̫ǿˡ

鿴ubuntuԴռõΪ$: top

topͿԲ鿴ڴ棬cpuͽˣܷ top Ҫ

dָµļ㡣

qûκӳٵĸ¡ʹгûtopߵִС cʾ·ơ

SۻģʽὫɻʧг̵CPUʱۻ sȫģʽ

iʾκãIdleãZombieг̡ nʾµĴɺ󽫻˳to ʾ

PIDProcess IḎʾš USERߵû PR̵ȼ NI̵ȼֵ VIRTռõڴֵ RESռõڴֵ SHRʹõĹڴֵ

S̵״̬SʾߣRʾУZʾ״̬NʾýֵǸ %CPUýռõCPUʹʡ

%MEMýռõڴڴİٷֱȡ TIMEýռõܵCPUʱ䡣

Commandƣһʾ£̻һС top

ո񡷣ˢ¡

PCPUʹôС Tʱ䡢ۼʱ q˳top mлʾڴϢ

tлʾ̺CPU״̬Ϣ

cлʾƺС MʹڴС

Wǰд~/.toprcļСдtopļƼ free 1.

freeʾڴʹʹȨû 2.ʽ

free ۣbkm ۣo ۣs delay ۣt ۣV 3.Ҫ

b k mֱֽڣKBMBΪλʾڴʹ s delayʾÿʾһڴʹ tʾڴܺС oʾС uptime

18:59:15 up 25 min 2 users load average 1.23 1.32 1.21 ڵʱ

ϵͳתھʱ ߵʹ

һӣӺʮӵϵͳ -V ʾ汾Ѷ vmstat

procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa

0 1 24980 10792 8296 47316 5 19 205 52 1161 698 26 3 1 70 1 ۲̻

̻Ҫ¼ָ˽⣺

biʾӴÿȡĿblocks/sԽ󣬱ʾ̵ĻԽࡣ boʾÿд̵Ŀblocks/sԽ󣬱ʾд̵ĻԽࡣ

wacpuȴIOδĴIOʱԽ󣬱ʾļϵͳ谭cpuԽأΪcpuڵȴٵĴϵͳṩݡwaΪ0ġwa10ļϵͳҪܵˡ

2 ۲cpu

vmstattopܷӳcpuʹ

usûʹcpuʱԽ󣬱ʾûԽæ

syϵͳʹcpuʱע⣬NFSںеģNFSռõcpuʱ䷴ӳsy档־ܴĻҪעǷijں˽̣NFSȽϷءussyͬʱȽϴĻҪǽijЩû뵽ķ棬⻥Ӱ졣

idcpuеʱ

wacpuȴδĴIOʱ iostat

ͳCPUʹtty豸Ӳ̺CD-ROMI/0

-c ֻʾCPU -d ʾ

-k ǧֽΪλʾ -t аʱ

-x аչĴָ

avg-cpu %user %nice %sys %iowait %idle 20.25 0.18 2.61 76.39 0.57

%iowait ȴI/OʱCPUʱİٷֱ %idle δȴI/OʱCPUʱİٷֱ Device tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn hda 9.86 284.34 84.48 685407 2036

ÿ봫tpsÿ512ֽڿȡBlk_read/sÿ512ֽڿдBlk_wrtn/s512ֽڿȡBlk_readд루Blk_wrtn

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linux̫ǿˡ 鿴ubuntuԴռõΪ$: top topͿԲ鿴ڴ棬cpuͽˣܷ top Ҫ dָµļ㡣 qûκӳٵĸ¡ʹгûtopߵִС cʾ·ơ SۻģʽὫɻʧг̵CPUʱۻ sȫģʽ iʾκãIdleãZombieг̡ nʾµĴɺ󽫻˳to ʾ PIDProcess IḎʾš USERߵû PR̵ȼ NI̵ȼֵ VIRTռõڴֵ RESռõڴֵ SHRʹ

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