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2026-03-27 - 03:57
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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 rackdslot3.osadl.org (updated Fri Mar 27, 2026 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491206173,22phc2sys0-21swapper/319:09:343
296152203169,23sleep10-21swapper/119:08:341
296712201168,22sleep00-21swapper/019:09:180
295022201168,22sleep20-21swapper/219:07:072
526721670,1sleep20-21swapper/220:30:272
2019921590,7sleep13001699cyclictest23:40:001
326482930,8sleep1241ktimersoftd/100:05:161
326482930,8sleep1241ktimersoftd/100:05:151
30018996832,4cyclictest41-21ksoftirqd/322:35:003
208032650,4sleep30-21swapper/323:40:143
30018996228,5cyclictest41-21ksoftirqd/319:20:223
30018996130,4cyclictest41-21ksoftirqd/323:35:173
30018996027,4cyclictest41-21ksoftirqd/322:25:203
30018995927,8cyclictest41-21ksoftirqd/320:55:013
30018995926,6cyclictest41-21ksoftirqd/319:35:183
294622590,4sleep00-21swapper/022:50:160
30018995830,4cyclictest41-21ksoftirqd/321:20:193
30018995827,8cyclictest41-21ksoftirqd/323:45:203
30018995826,4cyclictest41-21ksoftirqd/320:40:003
30018995826,4cyclictest41-21ksoftirqd/319:15:233
30018995824,5cyclictest41-21ksoftirqd/319:10:163
30018995738,2cyclictest41-21ksoftirqd/320:30:283
30018995727,7cyclictest41-21ksoftirqd/300:00:003
30018995727,4cyclictest41-21ksoftirqd/322:15:003
30018995726,4cyclictest41-21ksoftirqd/319:50:013
30018995725,4cyclictest41-21ksoftirqd/320:00:233
30018995723,4cyclictest41-21ksoftirqd/322:25:013
30018995629,6cyclictest41-21ksoftirqd/319:55:223
30018995626,7cyclictest41-21ksoftirqd/322:17:293
30018995625,7cyclictest41-21ksoftirqd/300:35:193
30018995625,7cyclictest41-21ksoftirqd/300:35:193
30018995625,10cyclictest41-21ksoftirqd/320:20:013
30018995624,4cyclictest41-21ksoftirqd/321:50:023
30018995623,4cyclictest41-21ksoftirqd/322:35:263
30018995620,4cyclictest41-21ksoftirqd/320:55:223
30018995525,7cyclictest41-21ksoftirqd/322:50:253
30018995524,4cyclictest41-21ksoftirqd/323:10:123
30018995524,4cyclictest41-21ksoftirqd/321:45:013
30018995523,8cyclictest41-21ksoftirqd/321:10:123
30018995520,4cyclictest41-21ksoftirqd/321:35:153
30018995426,4cyclictest41-21ksoftirqd/300:26:133
30018995425,4cyclictest41-21ksoftirqd/323:05:243
30018995425,3cyclictest41-21ksoftirqd/320:25:173
30018995423,4cyclictest41-21ksoftirqd/321:00:193
30018995423,4cyclictest41-21ksoftirqd/300:10:133
30018995420,5cyclictest41-21ksoftirqd/323:05:003
30018995420,5cyclictest41-21ksoftirqd/323:05:003
30018995420,4cyclictest41-21ksoftirqd/320:05:163
30018995419,11cyclictest41-21ksoftirqd/300:00:293
30018995418,7cyclictest41-21ksoftirqd/300:30:173
30018995324,7cyclictest41-21ksoftirqd/320:45:213
30018995322,10cyclictest41-21ksoftirqd/321:15:233
30018995321,8cyclictest41-21ksoftirqd/320:35:273
30018995320,8cyclictest41-21ksoftirqd/322:45:133
30018995320,4cyclictest41-21ksoftirqd/300:20:013
30018995316,7cyclictest41-21ksoftirqd/300:05:213
30018995316,7cyclictest41-21ksoftirqd/300:05:203
30018995229,4cyclictest41-21ksoftirqd/323:55:003
30018995220,4cyclictest41-21ksoftirqd/319:30:003
30018995219,5cyclictest41-21ksoftirqd/323:25:123
30018995219,4cyclictest41-21ksoftirqd/323:00:013
30018995122,7cyclictest41-21ksoftirqd/319:30:143
30018995121,7cyclictest41-21ksoftirqd/322:00:163
30018995121,4cyclictest41-21ksoftirqd/320:20:183
30018995120,8cyclictest41-21ksoftirqd/322:40:263
30018995119,7cyclictest41-21ksoftirqd/323:15:143
30018995022,7cyclictest41-21ksoftirqd/319:50:193
30018995017,4cyclictest41-21ksoftirqd/321:05:123
30018995017,4cyclictest41-21ksoftirqd/321:05:123
30018995012,3cyclictest41-21ksoftirqd/320:12:093
57898490,2rtkit-daemon0-21swapper/020:00:250
30018994919,4cyclictest41-21ksoftirqd/321:30:123
30018994918,7cyclictest41-21ksoftirqd/322:00:003
244442490,2sleep00-21swapper/021:10:250
30018994819,8cyclictest41-21ksoftirqd/319:40:133
30018994818,9cyclictest41-21ksoftirqd/321:25:233
30018994719,10cyclictest41-21ksoftirqd/323:20:123
30018994711,4cyclictest41-21ksoftirqd/323:30:143
30018994517,7cyclictest41-21ksoftirqd/300:20:283
3001599451,40cyclictest18009-21ls20:59:590
238242450,3sleep20-21swapper/220:05:162
30018994412,4cyclictest41-21ksoftirqd/322:08:063
292522430,2sleep20-21swapper/222:50:142
30015994237,3cyclictest9574-21latency_hist00:25:000
57898410,4rtkit-daemon26183-21apt-get22:45:120
30018994136,3cyclictest41-21ksoftirqd/321:55:003
30015994035,3cyclictest9-21ksoftirqd/000:00:010
30015994033,4cyclictest9-21ksoftirqd/022:35:000
57898370,2rtkit-daemon0-21swapper/119:40:201
3001799379,26cyclictest28165-21kworker/2:223:45:242
30016993732,3cyclictest25-21ksoftirqd/120:50:011
30015993732,3cyclictest9-21ksoftirqd/023:55:010
30015993732,3cyclictest9-21ksoftirqd/020:54:590
30017993630,4cyclictest33-21ksoftirqd/219:27:052
30017993629,4cyclictest33-21ksoftirqd/222:07:232
30016993632,3cyclictest25-21ksoftirqd/100:17:521
30016993631,3cyclictest25-21ksoftirqd/123:05:111
30016993631,3cyclictest25-21ksoftirqd/120:10:001
57898350,4rtkit-daemon17921-21ls22:25:271
30017993529,4cyclictest33-21ksoftirqd/222:03:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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