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2024-04-15 - 08:39
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot3.osadl.org (updated Mon Apr 15, 2024 00:50:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3262628843,39sleep40-21swapper/419:07:214
3260728552,29sleep30-21swapper/319:07:053
3258328247,30sleep70-21swapper/719:06:457
3265328045,30sleep20-21swapper/219:07:442
3261028046,30sleep60-21swapper/619:07:086
3261327840,33sleep00-21swapper/019:07:090
3265627742,30sleep50-21swapper/519:07:465
3258627742,30sleep10-21swapper/119:06:471
41722470,0sleep70-21swapper/722:03:057
265642470,0sleep50-21swapper/522:35:075
84792450,0sleep00-21swapper/000:18:550
117252430,0sleep30-21swapper/322:25:443
140662170,0sleep10-21swapper/123:25:071
832991615,1cyclictest241ktimersoftd/123:15:511
832991615,1cyclictest241ktimersoftd/121:59:001
838991510,5cyclictest0-21swapper/700:34:007
838991510,5cyclictest0-21swapper/700:34:007
838991510,5cyclictest0-21swapper/700:25:267
838991510,0cyclictest0-21swapper/722:30:547
836991513,1cyclictest73550irq/125-eth022:53:395
836991510,0cyclictest0-21swapper/500:37:155
835991510,5cyclictest0-21swapper/423:30:594
835991510,5cyclictest0-21swapper/423:30:594
835991510,5cyclictest0-21swapper/421:21:444
835991510,5cyclictest0-21swapper/400:39:104
835991510,0cyclictest0-21swapper/423:40:514
835991510,0cyclictest0-21swapper/423:02:174
834991514,1cyclictest22182-21ls21:35:153
834991513,1cyclictest9560-21nscd00:38:473
834991510,5cyclictest0-21swapper/322:33:013
834991510,0cyclictest0-21swapper/300:19:183
833991510,5cyclictest0-21swapper/222:22:292
833991510,5cyclictest0-21swapper/221:36:332
833991510,5cyclictest0-21swapper/200:32:152
833991510,5cyclictest0-21swapper/200:32:152
832991514,1cyclictest241ktimersoftd/121:10:191
832991514,1cyclictest241ktimersoftd/120:23:161
832991510,5cyclictest0-21swapper/123:58:071
832991510,5cyclictest0-21swapper/123:23:271
832991510,5cyclictest0-21swapper/121:32:151
1784521510,4sleep50-21swapper/522:49:255
1656221510,4sleep10-21swapper/120:26:461
838991414,0cyclictest0-21swapper/723:38:337
838991414,0cyclictest0-21swapper/722:22:517
838991414,0cyclictest0-21swapper/700:23:337
838991413,1cyclictest2629-21apt-key21:00:007
838991412,1cyclictest682-21nscd23:15:277
838991412,1cyclictest682-21nscd21:15:567
838991410,0cyclictest0-21swapper/721:22:237
837991414,0cyclictest0-21swapper/623:57:246
837991414,0cyclictest0-21swapper/623:29:006
837991414,0cyclictest0-21swapper/623:19:426
837991414,0cyclictest0-21swapper/600:29:456
837991414,0cyclictest0-21swapper/600:05:006
837991410,4cyclictest0-21swapper/622:20:126
837991410,4cyclictest0-21swapper/600:24:006
837991410,3cyclictest0-21swapper/623:35:076
837991410,3cyclictest0-21swapper/622:03:146
837991410,3cyclictest0-21swapper/621:30:166
837991410,3cyclictest0-21swapper/621:18:136
837991410,0cyclictest0-21swapper/622:51:566
837991410,0cyclictest0-21swapper/622:48:176
836991414,0cyclictest0-21swapper/520:25:055
836991410,4cyclictest0-21swapper/521:55:315
836991410,4cyclictest0-21swapper/521:25:455
835991414,0cyclictest0-21swapper/422:02:014
835991414,0cyclictest0-21swapper/421:29:394
835991413,1cyclictest20637-21awk00:25:144
835991412,1cyclictest682-21nscd23:15:154
835991412,1cyclictest32072-21snmpd22:30:324
835991410,4cyclictest0-21swapper/423:56:274
834991414,0cyclictest0-21swapper/323:58:253
834991414,0cyclictest0-21swapper/322:55:473
834991414,0cyclictest0-21swapper/322:52:073
834991414,0cyclictest0-21swapper/322:35:443
834991414,0cyclictest0-21swapper/322:11:373
834991412,1cyclictest691-21nscd00:06:403
834991412,1cyclictest682-21nscd23:01:103
834991412,1cyclictest682-21nscd22:49:343
834991412,1cyclictest682-21nscd21:32:463
834991412,1cyclictest682-21nscd21:18:053
834991412,1cyclictest682-21nscd00:22:153
834991410,4cyclictest0-21swapper/323:14:163
834991410,4cyclictest0-21swapper/321:54:303
833991414,0cyclictest0-21swapper/223:15:372
833991412,1cyclictest21431-21latency20:35:102
833991410,4cyclictest0-21swapper/221:55:322
833991410,4cyclictest0-21swapper/221:28:292
833991410,0cyclictest0-21swapper/222:25:402
832991414,0cyclictest241ktimersoftd/122:48:161
832991414,0cyclictest0-21swapper/122:58:281
832991414,0cyclictest0-21swapper/121:51:021
832991414,0cyclictest0-21swapper/121:37:331
832991414,0cyclictest0-21swapper/121:25:091
832991412,1cyclictest682-21nscd00:19:381
832991412,1cyclictest682-21nscd00:10:531
832991410,4cyclictest0-21swapper/122:52:071
831991414,0cyclictest0-21swapper/022:20:520
831991414,0cyclictest0-21swapper/022:04:040
831991413,1cyclictest9090-21ssh22:44:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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