Linux????????--CPU??????
???????????? ???????[ 2016/10/13 10:44:40 ] ?????????????? Linux
[huangc@V-02-01-00860~]$top
top-15:17:44up78days??5:17??13users??loadaverage:0.00??0.10??0.12
Tasks:227total??1running??225sleeping??1stopped??0zombie
Cpu(s):7.8%us??12.1%sy??0.0%ni??79.9%id??0.0%wa??0.0%hi??0.2%si??0.0%st
Mem:8193720ktotal??6315000kused??1878720kfree??47436kbuffers
Swap:4128760ktotal??3852496kused??276264kfree??5054928kcached
PIDUSERPRNIVIRTRESSHRS%CPU%MEMTIME+COMMAND
2301seeproxy2002196m13m660S15.50.215285:39/home/seeproxy/seeproxy/python27/bin/python/home/seeproxy/seeproxy/seeproxy.p
30824huangc200872m17441096S7.30.064:05.38hsserver-fwarmstandby_hc.xml-startproxysvr-tar-s1-status0
32729zhouds2001958m41m936S4.60.562:54.17hsserver-ffront_demo.xml-startmainsvr-tar-s0-status0
32740zhouds2002818m35m736S4.60.471:29.01/home/zhouds/linux.x64/bin/hsserver-fqueue_demo.xml-tar-s0-d/home/zhou
1307shizj200144g335m800S4.04.260:50.38hsserver-fshizj_uft.xml-startmainsvr-tar-s0-uft_status1-system_type
498zhouds2002722m48m5920S3.30.646:57.94hsserver-fuft_demo.xml-startmainsvr-tar-s0-status0-system_type0-l
1496shizj20026.6g11m1188S3.30.143:37.45hsserver-fshizj_init.xml-startmainsvr-tar-s0-status0
30829huangc2001355m19m796S3.30.245:27.38/home/huangc/linux.x64/bin/hsserver-fwarmstandby_hc.xml-tar-s1-d/home/
1303shizj2001286m6120728S2.30.130:22.74hsserver-fshizj_arb.xml-startarbsvr-tar-s0-status0
32723zhouds2001234m17m668S2.30.233:27.00hsserver-farb_demo.xml-startarbsvr-tar-s0-status0
32725zhouds200614m632392S1.60.017:38.62hsserver-fqueue_demo.xml-startproxysvr-tar-s0-status0
13284huangc200150361336948R1.00.00:00.10top
1341root2008229214121104S0.30.0154:38.71/usr/sbin/vmtoolsd
1750root20013584288220S0.30.015:07.26lldpad-d
1root20019364312136S0.00.00:15.99/sbin/init
2root200000S0.00.00:00.68[kthreadd]
3rootRT0000S0.00.00:10.29[migration/0]
4root200000S0.00.036:04.74[ksoftirqd/0]
5rootRT0000S0.00.00:00.00[migration/0]
[huangc@V-02-01-00860~]$
????top?????????а????????????
????· ?? 1 ???????????????????????????? ??????????????????е??????? ???????????? ??? 3 ??????????????? 1min ?? 5min ?? 15min ????????е?????????????????????????
????· ?? 2 ?и?????????????????????? top ??????????θ?????????????е???? ?????? ????л????????е????? ?????е????? ????????????????????????
????· ?? 3 ?к?? 4 ????????? CPU ?????????????????????? ??????? niced ???? ??????н????????? CPU ???????
????· ?? 5 ??????????????????????????????????????????????????????????? ??????????????????????????????????
????· ?? 6 ?????????????????????????????????????????????????????? С?????е????????С???????????????С??
????????????????????????????????Щ??????? top
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????· d ???????????????
????· p ??????????????????????? 20 ???????
????· S ?????????????????????????????????????????????????
????· I ????????н?????????
????· H ????????????????????
????· N ?????????????
????top ???????????????????????????????? F ??????????????????? J ???? ???????????????????????????е????????? CPU???
????????sar????
????sar ?? sysstat ???????????????????????????????й????????????? CPU ??????? ???????л????ж?????? ???????????????? ??????????????? ????????????????????????? ?? sar(1)
?????????????? ?????????????????????????????????????У? ????п???????????????????????????????????????????? ??
????sar ???????????????????????????????????????仯?? sar ????????????????????????????????????????????????? vmstat ?????????????????????????? sar ???????????????? ( ???????λ ) ???????????????????????????? sar??????????????????????????????
????1??CPU??????
[huangc@V-02-01-00860 ~]$ sar -u -P ALL -C 5
Linux 2.6.32-431.el6.x86_64 (V-02-01-00860) 10/12/16 _x86_64_ (2 CPU)
15:50:19 CPU %user %nice %system %iowait %steal %idle
15:50:24 all 3.38 0.00 5.28 0.00 0.00 91.34
15:50:24 0 3.39 0.00 5.30 0.00 0.00 91.31
15:50:24 1 3.36 0.00 5.25 0.00 0.00 91.39
15:50:24 CPU %user %nice %system %iowait %steal %idle
15:50:29 all 3.17 0.00 4.66 0.00 0.00 92.17
15:50:29 0 3.40 0.00 4.25 0.00 0.00 92.36
15:50:29 1 2.75 0.00 5.08 0.00 0.00 92.16
15:50:29 CPU %user %nice %system %iowait %steal %idle
15:50:34 all 2.95 0.00 5.16 0.00 0.00 91.89
15:50:34 0 3.36 0.00 5.25 0.00 0.00 91.39
15:50:34 1 2.75 0.00 4.86 0.00 0.00 92.39
??????????????????????? CPU ??????????????????????? I/O ????? ??????豸????????????????????????ж???????? I/O ????????ɡ? ??????????Щ?ж???м????? ???????????????????????????? I/O ????????? sar(1) ?????????????????????????????????ж???????и????????????????????????????????????????仯????????“ -I SUM ” ????????????????????????????ж????????“ -I ALL ” ???????????ж??????????? ( δ??? )??
????2???ж?????
10:53:53 INTR intr/s
10:53:58 sum 4477.60
10:54:03 sum 6422.80
10:54:08 sum 6407.20
10:54:13 sum 6111.4010:54:18 sum 6095.40
10:54:23 sum 6104.81
10:54:28 sum 6149.80
. . .
Average: sum 4416.5
?????? ??????? sar -A ????????? CPU ???ж?????? ( ??????????????????????? ) ????????? IRQ ??? 0 ?? 1 ?? 2 ?? 9 ?? 12 ?? 14 ?? 17 ?? 18 ?? 21 ?? 23 ?? 24 ?? 25??
????3???ж???
?????ж??????о??????????ж????????е??????????????????????????з???????????????????????????????豸???ж? ( ?? IRQ) ???????????? CPU ????? CPU ??????????? IRQ
????????????????????????????????????? ??
?????磬???
????0x0001 ??????? /proc/irq/ID( ???? ID ?????????豸 ) ??????? CPU 0 ???????豸?? IRQ ????? 0x000f ??????? /proc/irq/ID ???? CPU 0 ?? CPU 3 ??????????豸?? IRQ ???????Щ???????????????????????????????????????????????????????????????????????Ч????? I/O ?ж????????????? I/O ???? ??
???????????????????????漰???????????????????SPASVOС??(021-61079698-8054)?????????????????????????
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Linux??????DDR????????????Linux?????????????????豸??????????linux???в???????????м??????????????????????????Linux????Linux??DNS????????????γ???????????Linux?????????????Linux????(???)????????Linux ????????????????????????????????Windows???У?Linux???????Linux????????????????Linux iommu??vfio???????Linux????ε???TCP???????Linux?????????????СLinux?·???????????Linux???Jexus?й?Asp.Net Core??ó???Linux?????????Щ??
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2021/5/28 17:25:47??????APP??????????
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?????????App Bug???????????????????????Jmeter?????????QC??????APP????????????????app?????е????????jenkins+testng+ant+webdriver??????????????JMeter????HTTP???????Selenium 2.0 WebDriver ??????