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2024-11-21 - 15:41
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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 rack0slot4.osadl.org (updated Thu Nov 21, 2024 00:47:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13600052364339,14sleep140-21swapper/1419:08:166
13599342358313,34sleep130-21swapper/1319:07:275
13598092351301,15sleep80-21swapper/819:05:4614
13599222349305,34sleep20-21swapper/219:07:178
13599422348301,15sleep40-21swapper/419:07:3410
13599362347322,15sleep150-21swapper/1519:07:307
13598072347302,15sleep60-21swapper/619:05:4412
13598352344319,15sleep100-21swapper/1019:06:052
13598862343318,15sleep70-21swapper/719:06:5013
13598732342317,15sleep110-21swapper/1119:06:383
13598332341316,15sleep90-21swapper/919:06:0415
13565442341327,8sleep30-21swapper/319:05:099
13600912340315,15sleep50-21swapper/519:09:1211
13600872340316,14sleep10-21swapper/119:09:081
13599332340315,15sleep120-21swapper/1219:07:274
13599022339315,14sleep00-21swapper/019:06:580
136053799297295,1cyclictest1514239-21nodedev-init22:05:1811
136053999282282,0cyclictest0-21swapper/619:40:1712
136052399256255,1cyclictest1437037-21nodedev-init20:35:181
136056299226225,1cyclictest0-21swapper/1322:05:185
1360549992200,219cyclictest1514189-21daemon-init22:05:1815
136054999219219,0cyclictest0-21swapper/920:35:1915
136056799135134,1cyclictest1389886-21nodedev-init19:40:186
136055299990,1cyclictest0-21swapper/1023:50:152
1360562999897,1cyclictest1623544-21nodedev-init00:20:195
1360529999796,1cyclictest1484208-21nodedev-init21:30:199
1360557999089,1cyclictest0-21swapper/1121:30:193
1360549998887,1cyclictest0-21swapper/920:25:1815
1360520998887,1cyclictest1501342-21nodedev-init21:50:200
1360552998281,1cyclictest1609599-21nodedev-init00:00:172
1360527998281,1cyclictest0-21swapper/221:10:188
1360527997877,1cyclictest1445608-21nodedev-init20:45:188
1360520997877,1cyclictest0-21swapper/020:55:180
1360520997473,1cyclictest0-21swapper/022:30:210
1360539996968,1cyclictest0-21swapper/621:05:1712
1360559996463,1cyclictest0-21swapper/1223:30:204
1360529996160,1cyclictest1402756-21nodedev-init19:55:199
1360557995554,1cyclictest0-21swapper/1119:55:193
1360537995554,1cyclictest1561363-21nodedev-init23:00:1611
1360547995351,1cyclictest0-21swapper/800:30:2114
136054799424,25cyclictest0-21swapper/822:23:4714
136054799424,25cyclictest0-21swapper/820:55:5514
136054799423,25cyclictest0-21swapper/821:28:5214
136054799414,25cyclictest0-21swapper/823:18:4114
136054799413,25cyclictest0-21swapper/823:51:3914
136054799413,25cyclictest0-21swapper/822:56:4414
136054799413,25cyclictest0-21swapper/822:56:4414
136054799413,25cyclictest0-21swapper/821:17:5314
1360537994039,1cyclictest1627825-21nodedev-init00:25:1811
1360523994039,1cyclictest1488499-21nodedev-init21:35:181
1360529993535,0cyclictest0-21swapper/320:29:579
1360529993534,1cyclictest0-21swapper/300:07:189
1360529993434,0cyclictest0-21swapper/319:41:559
136055999330,29cyclictest769-21systemd-journal21:25:154
1360529993333,0cyclictest0-21swapper/319:49:419
1360567993231,1cyclictest1518513-21nodedev-init22:10:206
1360557993232,0cyclictest0-21swapper/1100:25:163
1360547993223,8cyclictest2337-21snmpd20:23:4414
1360529993232,0cyclictest0-21swapper/323:25:169
1360529993232,0cyclictest0-21swapper/321:08:039
136052999320,32cyclictest51-21ksoftirqd/320:10:539
1360562993130,1cyclictest1471357-21nodedev-init21:15:185
1360557993130,1cyclictest123-21ksoftirqd/1100:30:283
1360529993131,0cyclictest0-21swapper/323:49:149
1360529993131,0cyclictest0-21swapper/320:36:479
136055999303,23cyclictest0-21swapper/1220:10:174
1360557993030,0cyclictest0-21swapper/1120:29:573
136055299300,27cyclictest0-21swapper/1019:30:172
136055299300,27cyclictest0-21swapper/1019:30:162
1360529993030,0cyclictest0-21swapper/323:09:299
1360529993030,0cyclictest0-21swapper/322:19:199
1360529993030,0cyclictest0-21swapper/321:54:539
1360529993030,0cyclictest0-21swapper/319:54:539
1360529993030,0cyclictest0-21swapper/300:04:589
1360567992923,3cyclictest0-21swapper/1400:15:146
1360562992928,1cyclictest1394186-21nodedev-init19:45:195
1360557992929,0cyclictest1519930-21kworker/11:2-mm_percpu_wq23:22:103
1360557992929,0cyclictest0-21swapper/1122:15:293
1360557992928,1cyclictest0-21swapper/1119:41:553
1360557992924,5cyclictest0-21swapper/1123:34:463
1360537992927,1cyclictest2337-21snmpd21:53:4911
1360529992929,0cyclictest0-21swapper/323:50:549
1360529992929,0cyclictest0-21swapper/321:36:379
1360529992929,0cyclictest0-21swapper/320:59:399
1360527992927,1cyclictest2337-21snmpd20:06:318
1360520992927,1cyclictest2337-21snmpd23:54:460
1360569992827,1cyclictest2337-21snmpd20:02:287
1360569992826,1cyclictest2337-21snmpd00:35:127
136056999280,27cyclictest0-21swapper/1523:52:097
136056999280,27cyclictest0-21swapper/1522:37:567
1360567992826,1cyclictest0-21swapper/1419:10:236
136056799280,27cyclictest0-21swapper/1421:35:216
136056799280,27cyclictest0-21swapper/1420:20:106
1360562992826,1cyclictest2337-21snmpd00:11:115
136056299280,27cyclictest0-21swapper/1300:02:235
136056299280,1cyclictest0-21swapper/1322:36:145
1360559992820,4cyclictest0-21swapper/1223:55:304
1360559992820,4cyclictest0-21swapper/1223:16:524
1360559992820,4cyclictest0-21swapper/1223:01:014
1360559992820,4cyclictest0-21swapper/1222:58:454
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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