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2023-12-02 - 19:39
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot0.osadl.org (updated Sat Dec 02, 2023 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3377211595,16sleep60-21swapper/619:09:5212
3248210691,9sleep80-21swapper/819:08:5014
175121050,1sleep00-21swapper/000:34:080
56221040,25sleep40-21swapper/421:13:0410
3118210490,10sleep150-21swapper/1519:07:047
3253210191,6sleep130-21swapper/1319:08:555
1166021010,0sleep140-21swapper/1421:26:376
1166021010,0sleep140-21swapper/1421:26:376
309329888,6sleep70-21swapper/719:06:4013
205692980,1sleep100-21swapper/1000:04:362
205692980,1sleep100-21swapper/1000:04:362
168212960,6sleep14382099cyclictest22:40:426
302529584,7sleep50-21swapper/519:05:5011
208832940,1sleep130-21swapper/1300:00:235
208832940,1sleep130-21swapper/1300:00:235
218912930,1sleep40-21swapper/422:50:0910
297192920,6sleep7380999cyclictest23:48:1513
155262920,1sleep140-21swapper/1422:49:156
56612900,0sleep80-21swapper/821:34:3214
56612900,0sleep80-21swapper/821:34:3214
304829082,4sleep110-21swapper/1119:06:123
305828981,4sleep30-21swapper/319:06:209
313228875,9sleep120-21swapper/1219:07:174
180852880,1sleep90-21swapper/921:35:5315
180852880,1sleep90-21swapper/921:35:5315
3225328775,8sleep10-21swapper/119:05:141
299982870,1sleep70-21swapper/723:12:5613
81642860,6sleep2380299cyclictest00:30:098
21042860,1sleep110-21swapper/1121:20:573
21042860,1sleep110-21swapper/1121:20:573
117612860,1sleep110-21swapper/1122:09:533
35082830,1sleep70-21swapper/719:45:4113
335228375,4sleep00-21swapper/019:09:300
3225628375,4sleep40-21swapper/419:05:1710
321528375,4sleep140-21swapper/1419:08:246
335428274,4sleep20-21swapper/219:09:328
321028274,4sleep90-21swapper/919:08:1815
267182810,0sleep00-21swapper/000:00:580
267182810,0sleep00-21swapper/000:00:580
3224528072,4sleep100-21swapper/1019:05:072
240882790,1sleep150-21swapper/1522:37:147
23702780,0sleep150-21swapper/1522:21:277
277202770,0sleep150-21swapper/1522:59:587
89782650,0sleep100-21swapper/1022:31:002
177552650,0sleep90-21swapper/922:24:0215
380299526,36cyclictest2131-21cp00:20:158
380299526,36cyclictest2131-21cp00:20:158
380299511,3cyclictest16305-21gdbus21:53:508
380299510,3cyclictest27277-21sshd23:25:478
380299510,3cyclictest0-21swapper/222:44:038
380899501,42cyclictest24037-21bash21:54:0312
380899500,43cyclictest0-21swapper/622:07:5012
380899500,41cyclictest2019-21sshd23:36:2612
380299500,3cyclictest1014-21systemd-logind22:05:518
304072500,2sleep90-21swapper/900:28:4015
380899490,47cyclictest0-21swapper/621:10:4712
380899490,44cyclictest17739-21sshd00:36:0812
380899490,41cyclictest0-21swapper/622:16:1612
380899490,39cyclictest0-21swapper/623:58:3312
380299490,4cyclictest4255-21sshd23:40:278
380299490,3cyclictest13472-21sshd00:12:478
380299490,3cyclictest13472-21sshd00:12:478
380899480,46cyclictest0-21swapper/621:35:1812
380899480,46cyclictest0-21swapper/621:35:1812
380899480,45cyclictest26601-21sshd22:59:4712
380899480,45cyclictest25823-21sshd22:46:1112
380899480,40cyclictest0-21swapper/622:14:1012
380899480,39cyclictest0-21swapper/623:30:4012
380899480,39cyclictest0-21swapper/621:22:0012
380899480,39cyclictest0-21swapper/621:22:0012
380299480,3cyclictest998-21dbus-daemon21:15:448
380299480,3cyclictest5040-21nfsd00:01:358
380299480,3cyclictest5040-21nfsd00:01:358
380299480,3cyclictest2019-21sshd00:37:538
380899470,45cyclictest16923-21sshd21:15:0212
380899470,45cyclictest0-21swapper/621:34:1212
380899470,45cyclictest0-21swapper/621:34:1212
380899470,44cyclictest27829-21sshd23:17:2812
380899470,44cyclictest0-21swapper/623:29:4612
380899470,41cyclictest0-21swapper/621:43:1212
380899470,41cyclictest0-21swapper/621:43:1212
380899470,40cyclictest0-21swapper/622:01:1312
380899470,39cyclictest10488-21sshd22:22:4912
380299470,3cyclictest509-21systemd-journal22:26:038
380299470,3cyclictest29189-21run-parts22:11:528
380299470,2cyclictest0-21swapper/223:55:038
380299470,2cyclictest0-21swapper/223:02:558
380299470,2cyclictest0-21swapper/221:28:118
380299470,2cyclictest0-21swapper/221:28:118
125502470,1sleep1412551-21sh21:48:176
380899461,38cyclictest0-21swapper/622:50:4812
380899460,44cyclictest6551-21sshd00:20:5312
380899460,44cyclictest6551-21sshd00:20:5312
380899460,44cyclictest1717-21gdbus00:18:3912
380899460,44cyclictest1717-21gdbus00:18:3912
380899460,40cyclictest16681-21sshd00:13:1912
380899460,40cyclictest16681-21sshd00:13:1912
380899460,39cyclictest0-21swapper/623:01:2712
380899460,39cyclictest0-21swapper/621:46:1112
380899460,38cyclictest0-21swapper/622:41:0512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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