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2026-08-08 - 07:21
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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 376 highest latencies:
System rackfslot7.osadl.org (updated Sat Aug 08, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234548299770,76cyclictest0-21swapper/520:25:175
234548299612,19cyclictest0-21swapper/519:45:175
2345484995318,15cyclictest0-21swapper/720:05:167
2345484995315,19cyclictest0-21swapper/723:15:157
2345482995214,19cyclictest0-21swapper/520:30:165
2345482995212,39cyclictest0-21swapper/523:30:145
2345484995133,0cyclictest0-21swapper/720:00:147
2345480995113,19cyclictest0-21swapper/319:55:153
2345482995012,38cyclictest0-21swapper/519:15:175
2345484994911,19cyclictest0-21swapper/719:35:167
2345484994911,19cyclictest0-21swapper/700:25:147
2345477994930,19cyclictest0-21swapper/120:30:161
2345481994810,19cyclictest2445841-21ld22:10:194
234547799489,39cyclictest0-21swapper/120:45:161
234548099479,38cyclictest0-21swapper/300:00:173
2345479994628,18cyclictest2345475-21cyclictest00:20:152
2345484994526,19cyclictest0-21swapper/722:35:167
234548099456,39cyclictest0-21swapper/323:40:163
234548299446,38cyclictest0-21swapper/500:10:155
234547999445,19cyclictest0-21swapper/220:10:162
234547999444,39cyclictest0-21swapper/221:05:162
234547999434,38cyclictest0-21swapper/200:30:162
234548499424,19cyclictest0-21swapper/700:05:147
234548299412,38cyclictest0-21swapper/522:50:155
234548299410,40cyclictest0-21swapper/523:55:145
234548099400,0cyclictest191rcu_preempt20:55:173
234547999402,19cyclictest0-21swapper/223:25:152
234547799400,40cyclictest321rcuc/120:25:161
234548299390,20cyclictest0-21swapper/500:15:155
2345480993920,19cyclictest0-21swapper/319:40:133
2345479993920,19cyclictest0-21swapper/200:00:182
234548499380,38cyclictest0-21swapper/723:50:147
234548499380,19cyclictest0-21swapper/721:30:157
234547799380,19cyclictest0-21swapper/120:40:151
2345481993719,0cyclictest0-21swapper/419:26:394
2345481993717,19cyclictest601ktimers/423:15:194
2345479993713,23cyclictest0-21swapper/219:25:162
234547999370,37cyclictest0-21swapper/221:40:152
234547799370,18cyclictest0-21swapper/120:10:161
234548499360,17cyclictest0-21swapper/721:40:167
234548299360,17cyclictest0-21swapper/521:50:155
2345480993618,18cyclictest0-21swapper/320:05:163
234548099360,36cyclictest0-21swapper/319:20:153
234548099360,17cyclictest0-21swapper/323:45:193
2345477993619,17cyclictest0-21swapper/122:40:151
2345484993515,19cyclictest0-21swapper/719:40:137
234548499350,35cyclictest0-21swapper/722:30:157
234548499350,15cyclictest0-21swapper/720:45:167
234548299350,35cyclictest0-21swapper/523:35:225
234548099350,15cyclictest0-21swapper/322:35:163
234548099350,15cyclictest0-21swapper/300:25:143
234547999350,35cyclictest0-21swapper/223:45:242
234547999350,15cyclictest0-21swapper/219:35:162
2345484993414,19cyclictest0-21swapper/720:15:177
234548499340,15cyclictest0-21swapper/721:00:177
234548299340,34cyclictest0-21swapper/522:10:165
234548299340,15cyclictest0-21swapper/521:30:155
2345480993415,19cyclictest0-21swapper/320:20:163
234548099340,15cyclictest0-21swapper/322:45:153
2345479993414,19cyclictest0-21swapper/219:10:152
2345479993414,19cyclictest0-21swapper/219:10:152
234547999340,15cyclictest0-21swapper/222:05:152
234547999340,15cyclictest0-21swapper/220:15:182
234547999340,15cyclictest0-21swapper/219:30:162
2345484993314,19cyclictest0-21swapper/722:55:217
2345484993314,19cyclictest0-21swapper/721:15:167
2345484993314,18cyclictest0-21swapper/719:20:157
234548499330,14cyclictest0-21swapper/700:00:177
2345483993314,19cyclictest0-21swapper/623:45:186
2345483993314,19cyclictest0-21swapper/621:55:156
2345482993314,19cyclictest0-21swapper/523:05:155
2345482993314,19cyclictest0-21swapper/522:45:165
2345482993314,19cyclictest0-21swapper/519:30:165
2345480993314,19cyclictest0-21swapper/323:30:143
2345480993314,19cyclictest0-21swapper/323:20:153
2345480993314,19cyclictest0-21swapper/323:20:153
2345480993314,19cyclictest0-21swapper/323:15:143
2345480993314,19cyclictest0-21swapper/322:40:163
2345480993314,19cyclictest0-21swapper/321:55:153
2345480993314,19cyclictest0-21swapper/321:50:153
2345480993314,19cyclictest0-21swapper/321:10:153
2345480993314,19cyclictest0-21swapper/320:35:163
2345480993314,19cyclictest0-21swapper/320:30:163
2345480993314,19cyclictest0-21swapper/320:10:163
2345480993314,19cyclictest0-21swapper/319:50:163
2345479993314,19cyclictest0-21swapper/222:15:162
2345479993314,19cyclictest0-21swapper/221:55:162
2345479993314,19cyclictest0-21swapper/221:20:152
2345479993314,19cyclictest0-21swapper/221:15:152
2345479993314,19cyclictest0-21swapper/220:20:162
2345479993314,19cyclictest0-21swapper/219:45:172
2345479993314,19cyclictest0-21swapper/200:25:142
2345479993313,19cyclictest0-21swapper/221:00:162
2345479993313,19cyclictest0-21swapper/200:15:152
2345477993315,0cyclictest0-21swapper/122:25:151
2345477993314,19cyclictest0-21swapper/120:00:141
2345484993214,0cyclictest0-21swapper/719:15:177
2345483993213,19cyclictest0-21swapper/623:30:146
2345483993213,19cyclictest0-21swapper/621:05:166
2345483993213,19cyclictest0-21swapper/620:50:156
234548299329,23cyclictest0-21swapper/523:15:155
2345482993213,19cyclictest0-21swapper/522:05:155
2345482993213,19cyclictest0-21swapper/521:45:175
2345482993213,19cyclictest0-21swapper/500:35:165
2345480993213,19cyclictest0-21swapper/323:00:153
2345480993213,19cyclictest0-21swapper/322:30:223
2345480993213,19cyclictest0-21swapper/321:45:163
2345480993213,19cyclictest0-21swapper/319:25:153
2345480993213,19cyclictest0-21swapper/300:35:173
2345479993213,19cyclictest0-21swapper/223:00:152
2345479993213,19cyclictest0-21swapper/222:30:152
2345479993213,19cyclictest0-21swapper/221:50:152
2345479993213,19cyclictest0-21swapper/221:25:162
2345477993214,18cyclictest0-21swapper/122:00:171
2345477993214,0cyclictest0-21swapper/120:55:161
2345477993213,19cyclictest321rcuc/121:30:151
2345477993213,19cyclictest0-21swapper/123:40:161
2345484993112,19cyclictest0-21swapper/721:50:167
2345484993112,19cyclictest0-21swapper/720:20:177
2345484993112,19cyclictest0-21swapper/700:10:157
2345483993112,19cyclictest0-21swapper/621:35:176
2345482993113,18cyclictest0-21swapper/522:25:145
2345482993113,18cyclictest0-21swapper/520:10:155
2345482993112,19cyclictest0-21swapper/522:40:155
2345482993112,19cyclictest0-21swapper/521:35:175
2345482993112,19cyclictest0-21swapper/520:55:165
2345482993112,19cyclictest0-21swapper/520:50:155
2345482993112,19cyclictest0-21swapper/520:05:175
2345482993112,19cyclictest0-21swapper/519:25:155
2345482993111,19cyclictest0-21swapper/523:45:185
2345481993111,1cyclictest601ktimers/422:57:394
2345480993112,19cyclictest0-21swapper/322:55:213
2345480993112,19cyclictest0-21swapper/320:15:173
2345479993113,18cyclictest0-21swapper/222:10:162
2345479993113,18cyclictest0-21swapper/220:25:172
2345479993112,19cyclictest0-21swapper/220:05:162
2345479993112,19cyclictest0-21swapper/219:55:152
2345477993112,19cyclictest0-21swapper/123:55:141
2345477993112,19cyclictest0-21swapper/122:45:151
2345484993012,18cyclictest0-21swapper/721:45:167
2345484993012,18cyclictest0-21swapper/721:05:177
2345484993011,19cyclictest0-21swapper/723:25:147
2345484993011,19cyclictest0-21swapper/719:45:177
2345484993011,19cyclictest0-21swapper/700:20:157
2345483993011,19cyclictest0-21swapper/623:35:166
2345483993011,19cyclictest0-21swapper/623:00:156
2345483993011,19cyclictest0-21swapper/620:15:176
2345482993012,18cyclictest0-21swapper/523:40:155
2345482993011,19cyclictest0-21swapper/523:50:155
2345482993011,19cyclictest0-21swapper/519:50:165
2345482993011,19cyclictest0-21swapper/519:20:155
234548199300,30cyclictest0-21swapper/423:42:094
2345479993011,19cyclictest0-21swapper/223:55:152
2345476993030,0cyclictest2344990-21kworker/0:1+events19:30:230
2345484992910,19cyclictest0-21swapper/720:40:177
2345484992910,19cyclictest0-21swapper/720:14:087
2345483992911,18cyclictest0-21swapper/600:35:236
2345483992910,19cyclictest0-21swapper/622:55:166
2345483992910,19cyclictest0-21swapper/619:45:176
234548299299,1cyclictest0-21swapper/523:20:155
234548299299,1cyclictest0-21swapper/523:20:155
2345482992910,19cyclictest0-21swapper/522:20:175
2345481992910,19cyclictest2515155-21timerwakeupswit00:15:234
2345480992910,19cyclictest0-21swapper/300:20:163
234547999299,19cyclictest0-21swapper/223:15:152
2345479992910,19cyclictest0-21swapper/222:00:162
2345479992910,19cyclictest0-21swapper/219:50:162
234548299289,19cyclictest0-21swapper/520:35:175
234548199280,28cyclictest0-21swapper/422:31:434
234547999289,19cyclictest0-21swapper/222:55:152
234547999288,19cyclictest0-21swapper/220:45:172
234548299278,19cyclictest0-21swapper/522:34:345
234548299278,19cyclictest0-21swapper/519:35:165
234548099278,19cyclictest0-21swapper/323:50:153
234548099278,19cyclictest0-21swapper/300:10:163
234547799278,19cyclictest0-21swapper/123:05:151
234547799278,19cyclictest0-21swapper/100:05:141
2345476992727,0cyclictest2493577-21kworker/0:1+events23:42:090
234548499267,19cyclictest0-21swapper/721:25:157
234548299267,19cyclictest0-21swapper/523:00:165
234548099266,20cyclictest0-21swapper/323:10:143
234547999267,19cyclictest0-21swapper/220:00:202
234547799267,19cyclictest0-21swapper/123:39:441
234547799267,19cyclictest0-21swapper/100:35:181
234547799267,19cyclictest0-21swapper/100:10:151
2345481992523,1cyclictest2373939-21grep20:00:134
234548099256,19cyclictest0-21swapper/321:15:153
234548099256,19cyclictest0-21swapper/300:05:143
234547999250,25cyclictest0-21swapper/223:40:162
2345476992525,0cyclictest2454844-21kworker/0:2+events22:31:430
234548499245,19cyclictest0-21swapper/723:30:147
234548399245,19cyclictest0-21swapper/619:55:156
234548299245,19cyclictest0-21swapper/521:05:225
234548299245,19cyclictest0-21swapper/520:15:185
234548199242,19cyclictest0-21swapper/419:47:224
234548199241,20cyclictest0-21swapper/422:26:214
234547799245,19cyclictest0-21swapper/122:50:161
2345482992318,5cyclictest2398724-21mii-tool20:45:165
234548199233,20cyclictest0-21swapper/423:31:204
234548199233,20cyclictest0-21swapper/422:50:184
234548199233,20cyclictest0-21swapper/420:25:474
234548199233,20cyclictest0-21swapper/400:36:044
234548199233,19cyclictest0-21swapper/423:55:114
234548199233,19cyclictest0-21swapper/423:45:054
234548199233,19cyclictest0-21swapper/423:35:154
234548199233,19cyclictest0-21swapper/422:35:464
234548199233,19cyclictest0-21swapper/421:35:154
234548199233,19cyclictest0-21swapper/421:20:134
234548199233,19cyclictest0-21swapper/419:55:084
234548199233,19cyclictest0-21swapper/419:50:134
234548199233,19cyclictest0-21swapper/400:33:324
234548199233,19cyclictest0-21swapper/400:10:114
234548199233,19cyclictest0-21swapper/400:00:134
2345481992322,1cyclictest1-21systemd21:15:014
234548199231,19cyclictest0-21swapper/423:09:374
234548199231,19cyclictest0-21swapper/400:24:294
234548199231,19cyclictest0-21swapper/400:08:464
234548199230,19cyclictest0-21swapper/422:21:094
2345476992319,3cyclictest2355962-21kworker/0:0+events19:47:210
234548499223,19cyclictest0-21swapper/722:50:157
234548499220,21cyclictest0-21swapper/719:58:277
234548299223,19cyclictest0-21swapper/522:35:155
234548199223,19cyclictest0-21swapper/423:50:274
234548199223,19cyclictest0-21swapper/423:20:054
234548199223,19cyclictest0-21swapper/423:20:054
234548199223,19cyclictest0-21swapper/423:10:314
234548199223,19cyclictest0-21swapper/423:00:214
234548199223,19cyclictest0-21swapper/422:45:074
234548199223,19cyclictest0-21swapper/422:40:054
234548199223,19cyclictest0-21swapper/422:15:124
234548199223,19cyclictest0-21swapper/422:00:074
234548199223,19cyclictest0-21swapper/421:55:314
234548199223,19cyclictest0-21swapper/421:50:064
234548199223,19cyclictest0-21swapper/421:45:294
234548199223,19cyclictest0-21swapper/421:40:054
234548199223,19cyclictest0-21swapper/421:30:054
234548199223,19cyclictest0-21swapper/421:25:164
234548199223,19cyclictest0-21swapper/421:15:064
234548199223,19cyclictest0-21swapper/421:05:074
234548199223,19cyclictest0-21swapper/421:00:314
234548199223,19cyclictest0-21swapper/420:55:054
234548199223,19cyclictest0-21swapper/420:50:064
234548199223,19cyclictest0-21swapper/420:45:494
234548199223,19cyclictest0-21swapper/420:35:054
234548199223,19cyclictest0-21swapper/420:30:074
234548199223,19cyclictest0-21swapper/420:20:094
234548199223,19cyclictest0-21swapper/420:15:214
234548199223,19cyclictest0-21swapper/420:10:234
234548199223,19cyclictest0-21swapper/420:05:074
234548199223,19cyclictest0-21swapper/419:40:054
234548199223,19cyclictest0-21swapper/419:35:104
234548199223,19cyclictest0-21swapper/419:30:034
234548199223,19cyclictest0-21swapper/419:15:114
234548199223,19cyclictest0-21swapper/419:10:104
234548199223,19cyclictest0-21swapper/419:10:094
234548199223,19cyclictest0-21swapper/400:25:174
234548199222,19cyclictest2351301-21apt-get19:20:114
234548199222,19cyclictest0-21swapper/422:05:034
234548199222,19cyclictest0-21swapper/420:40:124
234547999223,19cyclictest0-21swapper/222:50:212
234547799223,19cyclictest321rcuc/120:35:161
2345476992220,2cyclictest2411156-21kworker/0:0+events21:25:010
2345476992219,3cyclictest2457590-21kworker/0:0+events23:25:370
2345476992219,3cyclictest2419390-21kworker/0:1+events21:54:570
2345476992219,3cyclictest2355962-21kworker/0:0+events20:56:370
2345476992218,3cyclictest2504929-21kworker/0:3+events00:24:290
2345476992218,3cyclictest2457590-21kworker/0:0+events23:09:380
2345476992218,3cyclictest2419390-21kworker/0:1+events22:25:090
234548499212,19cyclictest0-21swapper/723:55:157
2345482992118,3cyclictest236199-21snmpd22:57:045
234547999210,21cyclictest0-21swapper/223:05:232
2345476992120,1cyclictest2419390-21kworker/0:1+events22:00:230
2345476992120,1cyclictest2419390-21kworker/0:1+events21:30:110
2345476992120,1cyclictest2411156-21kworker/0:0+events21:10:110
2345476992120,1cyclictest236199-21snmpd21:28:080
2345476992120,1cyclictest2355962-21kworker/0:0+events20:45:370
2345476992119,2cyclictest2419390-21kworker/0:1+events21:40:180
2345476992118,3cyclictest2504929-21kworker/0:3+events00:08:450
2345476992118,3cyclictest2457590-21kworker/0:0+events23:31:330
2345476992118,3cyclictest2419390-21kworker/0:1+events22:22:210
2345476992118,3cyclictest2411156-21kworker/0:0+events21:16:330
2345476992118,3cyclictest2355962-21kworker/0:0+events19:42:330
2345484992020,0cyclictest2461781-21mii-tool22:40:157
2345484992020,0cyclictest2390552-21mii-tool20:30:177
2345484992019,1cyclictest2495063-21ethtool23:40:167
2345484992019,1cyclictest2464475-21cat22:45:157
2345484992019,1cyclictest236199-21snmpd21:37:537
234548499200,20cyclictest0-21swapper/719:52:207
234548499200,19cyclictest0-21swapper/722:10:037
2345483992020,0cyclictest2486606-21mii-tool23:25:146
2345483992020,0cyclictest2429024-21mii-tool21:40:156
2345483992020,0cyclictest2415339-21ethtool21:15:156
2345483992020,0cyclictest2398739-21ethtool20:45:166
2345483992019,1cyclictest2516979-21mii-tool00:20:166
2345483992019,1cyclictest2439940-21mii-tool22:00:166
2345483992019,1cyclictest236199-21snmpd00:16:346
234548399200,19cyclictest0-21swapper/623:20:156
234548399200,19cyclictest0-21swapper/623:20:156
2345482992020,0cyclictest2439921-21mii-tool22:00:165
2345482992020,0cyclictest2396713-21sensors20:40:225
2345482992020,0cyclictest236199-21snmpd23:29:145
2345482992019,1cyclictest236199-21snmpd21:14:405
2345482992019,1cyclictest236199-21snmpd20:02:445
2345482992017,3cyclictest236199-21snmpd00:29:135
234548299201,19cyclictest0-21swapper/521:25:225
234548299200,19cyclictest0-21swapper/500:32:015
234548099200,20cyclictest0-21swapper/323:26:563
2345479992018,2cyclictest236199-21snmpd20:31:092
234547999201,19cyclictest0-21swapper/222:20:232
234547999201,19cyclictest0-21swapper/220:55:232
234547999200,1cyclictest0-21swapper/221:10:162
2345477992020,0cyclictest2501209-21sensors23:50:211
2345477992020,0cyclictest2469924-21ethtool22:55:141
2345477992020,0cyclictest2442639-21ethtool22:05:151
2345477992019,1cyclictest2368711-21ethtool19:50:161
2345477992019,1cyclictest236199-21snmpd00:22:191
2345477992019,1cyclictest0-21swapper/119:45:271
234547799200,20cyclictest0-21swapper/121:21:141
234547799200,20cyclictest0-21swapper/121:15:201
234547799200,20cyclictest0-21swapper/121:00:231
2345476992020,0cyclictest2504929-21kworker/0:3+events00:35:100
2345476992020,0cyclictest2504929-21kworker/0:3+events00:30:070
2345476992020,0cyclictest2504929-21kworker/0:3+events00:15:430
2345476992020,0cyclictest2504929-21kworker/0:3+events00:10:450
2345476992020,0cyclictest2499075-21kworker/0:1+events00:00:270
2345476992020,0cyclictest2490575-21kworker/0:2+events23:50:270
2345476992020,0cyclictest2490575-21kworker/0:2+events23:45:100
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