linux查看cpu情況

㈠ linux涓嬪備綍鏌ョ湅CPU銆佸唴瀛樺崰鐢ㄧ巼

鏌ョ湅CPU鍜屽唴瀛樹嬌鐢ㄧ巼鏂規硶濡備笅錛

1銆佸湪浠誨姟綆＄悊鍣ㄩ噷闈㈠彲浠ユ煡鐪婥PU鍜屽唴瀛樼殑浣跨敤鐜囥

2銆侀敭鐩樹笂鍚屾椂鎸変綇Ctrl+Alt+Delete錛岀偣鍑燴滃惎鐢ㄤ換鍔＄＄悊鍣錛圱錛夆濆氨鍙浠ョ湅鍒板綋鍓岰PU瀹為檯鐨勪嬌鐢ㄧ巼鏄澶氬皯浜嗐傚傚浘

㈡ linux濡備綍鏌ョ湅cpu

寰堝氭湅鍙嬮兘鎯崇煡閬搇inux濡備綍鏌ョ湅cpu錛熶笅闈㈠氨涓璧鋒潵鐪嬬湅鍚э紒
linux濡備綍鏌ョ湅cpu
1銆侀栧厛鎵ц宼op鍛戒護錛屽備笅鍥句腑鍐呭規墍琛ㄧず銆
2銆佸湪top鍛戒護鐨勬樉紺虹晫闈錛屾寜鏁板瓧閿1錛屽嵆鍙鏌ョ湅鍒板綋鍓嶇郴緇熶腑鐨勬籧pu鏁幫紝濡備笅鍥句腑鍐呭規墍琛ㄧず銆傛湰鏂囩珷鍩轟簬ThinkpadE15鍝佺墝銆乧entos7緋葷粺鎾板啓鐨勩

㈢ linux鏌ョ湅cpu鍗犵敤鐜囩殑鏂規硶錛

娣卞叆鎺㈢儲Linux緋葷粺鐩戞帶錛氭帉鎻CPU鍗犵敤鐜囩殑瀹炵敤宸ュ叿涓庢柟娉

1. 緋葷粺璧勬簮鐩戞帶鍩虹

鍦↙inux涓錛屼簡瑙CPU鍗犵敤鐜囨槸緋葷粺鎬ц兘綆＄悊鐨勫叧閿銆傝╂垜浠浠庡熀紜宸ュ叿寮濮嬶細

1. top</錛氬疄鏃舵煡鐪嬭繘紼嬭祫婧愶紝鐞嗚Вloadavg鎸囨爣錛屽嵆1鍒嗛挓錛1錛夈5鍒嗛挓錛5錛夊拰15鍒嗛挓錛15錛夊鉤鍧囪繘紼嬫暟銆傛瘡涓榪涚▼鐨処D鍦ㄦ渶鍚庝竴鍒楋紝閫氳繃璁劇疆鍛ㄦ湡鍜岄夐」錛宼op鑳芥彁渚涙洿璇︾粏鐨勮嗗浘銆


2. perf</錛氭洿綺劇『鍦扮洃鎺ц繘紼嬫ц兘鍗犳瘮錛岄氳繃閲囨牱鏁版嵁娣卞叆浜嗚ВCPU浣跨敤鎯呭喌銆


3. sar</鍜ksar</錛氬疄鏃剁洃鎺у拰鐢熸垚鎶ュ憡錛岃嚜瀹氫箟閲囨牱鍛ㄦ湡錛宬sar鐨勫浘褰㈠寲灞曠ず闇鍏堥厤緗畇ysstat銆

2. 榪涗竴姝ュ垎鏋愬伐鍏

瀵逛簬鏇存繁鍏ョ殑鍒嗘瀽錛屼互涓嬪伐鍏鋒彁渚涗簡鏇村叏闈㈢殑瑙嗚掞細

• mpstat</錛氫笓娉ㄤ簬澶氬勭悊鍣ㄦц兘鐩戞帶錛屽 mpstat -P ALL 10 20 鏄劇ず姣忎釜CPU鐨勫埄鐢ㄧ巼鍜岃繘紼嬬姸鎬併


• uptime</錛氱畝媧佸湴鏄劇ず緋葷粺榪愯屾椂闂村拰褰撳墠璐熻澆錛屼緥濡傗11:15:41 up 82 days, 20:34, 8 users, 0.28, 0.40, 0.436鈥濄

鎺ヤ笅鏉ユ槸鏇磋︾粏鐨勭洃鎺ф暟鎹錛

• vmstat</錛氶氳繃vmstat 5 5錛屾彮紺哄唴瀛樸丆PU銆両O絳夊叧閿淇℃伅錛屽傝繘紼嬫暟錛坧rocs錛夈佸唴瀛樹嬌鐢錛坢emory錛夊拰浜ゆ崲絀洪棿錛坰wap錛夈


• pidstat</錛氳窡韙榪涚▼璧勬簮錛屽侰PU浣跨敤鐜囥佸唴瀛樻秷鑰楀拰I/O鎿嶄綔銆

浜嗚ВCPU浣跨敤鎯呭喌鐨勬洿娣卞叆緇嗚妭錛屽寘鎷鍚鍔ㄤ互鏉ョ殑緇熻′俊鎮錛屼互鍙婃瘡涓榪涚▼鐨勫唴瀛樸佷腑鏂鍜屽懡浠ゅ悕絳夈

• htop</錛氭彁渚涚敤鎴峰弸濂界殑鐣岄潰錛屾樉紺虹嚎紼嬬埗瀛愬叧緋匯


• atop</錛氭寜CPU浣跨敤鐜囨帓搴忚繘紼嬶紝鍖呭惈鍏ㄩ潰鎬ц兘淇℃伅銆

闄や簡涓婅堪錛岃繕鏈夋洿澶氭槗浜庝嬌鐢ㄤ笖鍔熻兘涓板瘜鐨勫伐鍏鳳細

• glances</錛歅ython緙栧啓鐨勮交閲忕駭鐩戞帶錛屾棤綆＄悊鍔熻兘銆


• nmon</錛氬唴瀛樺拰CPU鐩戞帶錛屽煎嚭鏁版嵁浣嗕笉鍖呭惈榪涚▼綆＄悊銆


• pcp-gui</錛氭ц兘鍒嗘瀽妗嗘灦錛屽疄鏃跺垎鏋愬拰API鏀鎸併


• collectl</錛氬叏闈㈢郴緇熺洃鎺у伐鍏鳳紝鏇誇唬浼犵粺鍛戒護錛屾彁渚涘瓙緋葷粺璇︾粏鏁版嵁鍜屽浘褰㈠寲杈撳嚭銆

瑕佷嬌鐢ㄨ繖浜涘伐鍏鳳紝璇峰弬鑰冧互涓嬪畨瑁呮寚瀵礆細

• sudo apt install pcp pcp-gui瀹夎卲cp鍙婂叾鍥懼艦鐣岄潰銆


• collectl錛歴udo apt-get install collectl錛岄粯璁ゆ樉紺篊PU銆佺佺洏銆佺綉緇滅瓑淇℃伅錛屽彲鑷瀹氫箟閫夐」浠ヨ幏鍙栨洿澶氳︾粏鏁版嵁銆


• colplot瀹夎咃細璇峰弬闃匰ong Weiren鐨勬枃絝犻摼鎺ワ紝浜嗚В鏇村氶厤緗鍜屽浘褰㈢敓鎴愭柟娉曘

閫氳繃榪欎簺宸ュ叿錛屼綘灝嗚兘鏇存湁鏁堝湴鐩戞帶鍜岀＄悊Linux緋葷粺鐨凜PU鍗犵敤錛岀『淇濋珮鏁堣繍琛屽拰鎬ц兘浼樺寲銆