?ㄧ?颁唬浜???缃??朵唬锛????″?ㄧ??绋冲??у???ц?藉?浜?浼?涓?杩??ヨ?冲?抽??瑕???涓?娆鹃????????″?ㄧ???у伐?疯?藉?瀹??舵???℃???″?ㄧ?舵??锛????????版??ㄩ???锛?浠???纭??浼?涓?涓??＄??姝ｅ父杩?琛???atop???娆惧??inux绯荤?涓?箍娉?浣跨?ㄧ??楂?绾х郴缁????у伐?凤?瀹?浠ョ?娲??????㈠?绀虹郴缁?璧?婧?浣跨?ㄦ???碉?甯??╃?????杞绘?剧???ф???″?ㄧ?舵?????圭淮缃?缁?灏?璇︾?浠?缁????″??top???у伐?风??浣跨?ㄦ?规???浼??裤??
atop???????版??兜??浜?CPU????瀛???纾?????缃?缁???璧?婧?浣跨?ㄦ???典互??杩?绋?杩?琛??舵??锛?骞惰?藉?浠ユ?ュ???浠剁??褰㈠?淇?瀛??崇?????瀵逛?姣?涓??绋?锛?绯荤?灏??剧ずCPU浣跨?ㄧ??????瀛?澧??裤??纾???浣跨?ㄧ????浼???绾с???ㄦ?峰?????舵???????虹??绛?淇℃?????ㄥ??互??杩?atop??缃???浠惰???涔??ュ???????棰??????ュ???浠剁??瀛??ㄨ矾寰?浠ュ??杞?浆绛??ョ????般??
涓???atop绠?浠?
atop???娆惧?婧??????″?ㄧ???у伐?凤?瀹??藉?瀹??剁???х郴缁?璧?婧?锛?????PU????瀛???纾?????缃?缁?绛???涓?浼?缁???top??htop绛????у伐?风?告?锛?atop?锋??浠ヤ??圭?癸?
1. 瀹??舵?э?atop姣??????戒?瀵圭郴缁?璧?婧?杩?琛?涓?娆￠???凤?骞朵互琛ㄦ?煎舰寮?灞?绀哄?烘?ワ??逛究绠＄????瀹??朵?瑙ｆ???″?ㄧ?舵????
2. 璇︾??э?atop??渚?浜?涓板???绯荤?淇℃????????绋????ㄦ?枫??绯荤?璐?杞姐??CPU浣跨?ㄧ??????瀛?浣跨?ㄦ???点??纾???I/O??缃?缁?娴???绛?锛?甯??╃??????ㄩ?㈡???℃???″?ㄨ?婧?浣跨?ㄦ???点??
3. 楂????э?atop???ㄤ?楂????????锋?哄?讹?瀵圭郴缁??ц?藉奖????灏?锛???互?挎?堕?磋?琛??ㄦ???″?ㄤ???
4. ????舵?э?atop??璁哥??????规????姹????涔????ч」???ヨ????硷?婊¤冻涓??у?????ч??姹???
浜???瀹?瑁?涓???缃
1. 瀹?瑁?atop
澶у???inux??琛????芥??渚?浜?atop??瀹?瑁???锛???互??杩?浠ヤ??戒护杩?琛?瀹?瑁?锛?
```
# 瀵逛??轰?Debian??绯荤?锛?濡?Ubuntu锛?
sudo apt-get install atop
# 瀵逛??轰?Red Hat??绯荤?锛?濡?CentOS锛?
sudo yum install atop
```
2. ??缃?top
atop????缃???浠朵?浜?`/etc/atop/atop.daily`锛???互??杩?淇??硅???浠舵?ヨ?缃?top??杩?琛????般??浠ヤ????涓?ず渚???缃??
```
# 璁惧????烽?撮???堕?达?绉?锛?
SAMPLEINTERVAL=60
# 璁惧??ュ?淇?瀛?澶╂??br />
LOGDAYS=7
# 璁惧??ュ?淇?瀛?璺??
LOGPATH=/var/log/atop
```
涓???浣跨?ㄦ?规?
1. ????top
??缃??????锛???互??杩?浠ヤ??戒护????top锛?
```
atop
```
2. atop???㈣???
????top??锛?灏????颁互涓??????
```
System: hostname: (Linux 3.10.0-514.el7.x86_64)
atop version: 2.3.0
CPU states: 2.9% user, 2.8% system, 0.1% nice, 94.0% idle, 0.1% iowait, 0.0% steal
Memory: 15.6G total, 1.4G used, 1.3G free, 424M buffers, 441M cached
Swap: 7.8G total, 0 used, 7.8G free
PID PPID USER PRI NI VIRT RES SHR S CPU% MEM% TIME+ Command
1 0 root 20 0 193564 6888 5648 S 0.0 0.0 0:00.04 /sbin/init
2 0 root 20 0 0 0 0 S 0.0 0.0 0:00.00 kthreadd
```
?朵腑锛????????濡?涓?锛?
- PID锛?杩?绋?ID
- PPID锛??惰?绋?ID
- USER锛?杩?琛?璇ヨ?绋????ㄦ??br />
- PRI锛?杩?绋?浼???绾?br />
- NI锛?杩?绋?nice??br />
- VIRT锛???????瀛?浣跨?ㄩ??
- RES锛??╃????瀛?浣跨?ㄩ??
- SHR锛??变韩??瀛?浣跨?ㄩ??
- S锛?杩?绋??舵??锛?濡?S琛ㄧず?＄??锛?R琛ㄧず杩?琛?锛?
- CPU%锛?CPU浣跨?ㄧ??
- MEM%锛???瀛?浣跨?ㄧ??
- TIME+锛?杩?琛??堕??br />
3. atop甯哥?ㄥ揩?烽??br />
- q锛?????top
- h锛??剧ず甯??╀俊??br />
- c锛????㈡?剧ずCPU????瀛???纾?????缃?缁?绛?????
- s锛????㈡?剧ず绯荤?绾с??杩?绋?绾т俊??br />
- l锛??剧ず?ュ?淇℃??br />
?????荤?
atop浣?涓轰?娆鹃????????″?ㄧ???у伐?凤??????跺??舵?с??璇︾??у?????ㄦ?э???inux???″?ㄧ???涓??锋??骞挎???搴??ㄣ????杩???缁?????top??浣跨?ㄦ?规?锛?绠＄??????互杞绘?剧???ф???″?ㄧ?舵??锛?纭??浼?涓?涓??＄??绋冲?杩?琛???
