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2026-05-06 - 06:13
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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 rackdslot4.osadl.org (updated Wed May 06, 2026 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591208173,23phc2sys0-21swapper/319:06:343
166172202169,21sleep10-21swapper/119:09:571
165532201168,22sleep00-21swapper/019:09:080
164422200168,21sleep20-21swapper/219:07:412
952621410,7sleep21691599cyclictest23:15:012
1662228763,15sleep10-21swapper/119:10:011
16916996629,4cyclictest41-21ksoftirqd/323:15:003
16916996131,9cyclictest41-21ksoftirqd/323:25:003
16916996130,3cyclictest41-21ksoftirqd/323:15:123
16916996130,3cyclictest41-21ksoftirqd/323:15:123
16916996129,4cyclictest41-21ksoftirqd/320:15:203
194852600,2sleep00-21swapper/023:35:000
16916996028,4cyclictest41-21ksoftirqd/323:45:163
16916995930,8cyclictest41-21ksoftirqd/322:05:123
16916995924,4cyclictest41-21ksoftirqd/321:40:173
16916995921,4cyclictest41-21ksoftirqd/322:57:393
16916995920,4cyclictest41-21ksoftirqd/319:26:303
16916995826,8cyclictest41-21ksoftirqd/300:15:273
16916995826,8cyclictest41-21ksoftirqd/300:15:273
16916995822,4cyclictest41-21ksoftirqd/321:45:463
16916995822,4cyclictest41-21ksoftirqd/320:28:563
16916995822,4cyclictest41-21ksoftirqd/300:11:403
16916995821,4cyclictest41-21ksoftirqd/322:00:463
16916995821,4cyclictest41-21ksoftirqd/300:26:053
16916995819,4cyclictest41-21ksoftirqd/323:50:513
200502570,2sleep10-21swapper/119:15:181
16916995726,7cyclictest41-21ksoftirqd/320:40:143
16916995725,4cyclictest41-21ksoftirqd/319:30:143
16916995722,4cyclictest41-21ksoftirqd/319:46:193
16916995721,7cyclictest41-21ksoftirqd/300:35:133
16916995721,4cyclictest41-21ksoftirqd/323:25:043
16916995721,4cyclictest41-21ksoftirqd/300:03:263
16916995720,5cyclictest41-21ksoftirqd/319:23:333
16916995720,4cyclictest41-21ksoftirqd/321:56:413
16916995720,4cyclictest41-21ksoftirqd/300:32:433
16916995720,4cyclictest41-21ksoftirqd/300:07:233
16916995625,4cyclictest41-21ksoftirqd/320:10:143
16916995624,8cyclictest41-21ksoftirqd/323:35:143
16916995621,8cyclictest41-21ksoftirqd/322:50:003
16916995621,4cyclictest41-21ksoftirqd/321:27:163
16916995621,4cyclictest41-21ksoftirqd/300:20:253
16916995621,3cyclictest41-21ksoftirqd/321:05:203
16916995620,4cyclictest41-21ksoftirqd/322:13:543
16916995618,4cyclictest41-21ksoftirqd/322:21:013
16916995618,4cyclictest41-21ksoftirqd/320:50:123
16916995617,4cyclictest41-21ksoftirqd/321:12:003
16916995527,7cyclictest41-21ksoftirqd/322:30:193
16916995527,7cyclictest41-21ksoftirqd/322:30:193
16916995522,4cyclictest41-21ksoftirqd/320:30:163
16916995522,4cyclictest41-21ksoftirqd/320:30:153
16916995520,4cyclictest41-21ksoftirqd/320:55:523
16916995519,4cyclictest41-21ksoftirqd/321:33:313
16916995519,4cyclictest41-21ksoftirqd/321:33:313
16916995517,4cyclictest41-21ksoftirqd/319:12:343
16916995516,4cyclictest41-21ksoftirqd/322:26:153
16916995426,4cyclictest41-21ksoftirqd/320:45:143
16916995425,8cyclictest41-21ksoftirqd/323:55:163
16916995421,7cyclictest41-21ksoftirqd/321:35:253
16916995421,10cyclictest41-21ksoftirqd/319:55:133
16916995417,9cyclictest41-21ksoftirqd/319:18:403
16916995417,4cyclictest41-21ksoftirqd/321:03:433
16916995417,4cyclictest41-21ksoftirqd/321:03:423
16916995319,3cyclictest41-21ksoftirqd/320:35:013
16916995317,4cyclictest41-21ksoftirqd/321:50:133
16916995317,4cyclictest41-21ksoftirqd/321:20:023
16916995226,9cyclictest41-21ksoftirqd/322:35:203
16916995223,8cyclictest41-21ksoftirqd/322:15:143
16916995216,8cyclictest41-21ksoftirqd/323:02:363
16916995123,8cyclictest41-21ksoftirqd/319:50:143
16916995120,8cyclictest41-21ksoftirqd/322:50:133
16916995119,9cyclictest41-21ksoftirqd/323:09:263
16916995118,9cyclictest41-21ksoftirqd/319:43:463
16916995118,4cyclictest41-21ksoftirqd/320:04:413
1691699505,6cyclictest41-21ksoftirqd/321:19:593
16916995019,7cyclictest41-21ksoftirqd/322:40:163
1691699492,9cyclictest41-21ksoftirqd/323:30:123
16916994914,8cyclictest41-21ksoftirqd/323:43:083
16916994716,8cyclictest41-21ksoftirqd/319:36:043
1691699464,3cyclictest41-21ksoftirqd/320:05:153
1691699456,2cyclictest41-21ksoftirqd/320:20:153
50798430,2rtkit-daemon506-21rtkit-daemon19:35:241
16915994338,3cyclictest2700-21fschecks_count20:50:152
16914994135,3cyclictest26848-21cron21:40:011
50798390,13rtkit-daemon1522-21apache220:15:251
16915993832,4cyclictest33-21ksoftirqd/223:45:002
16914993831,5cyclictest25-21ksoftirqd/122:03:421
16914993831,4cyclictest25-21ksoftirqd/121:19:091
16915993732,3cyclictest33-21ksoftirqd/220:59:592
16915993730,5cyclictest33-21ksoftirqd/220:24:592
16915993730,4cyclictest33-21ksoftirqd/220:12:192
16914993731,4cyclictest25-21ksoftirqd/121:10:511
16914993730,5cyclictest25-21ksoftirqd/120:59:201
16913993731,4cyclictest9-21ksoftirqd/020:15:380
16913993730,4cyclictest9-21ksoftirqd/020:45:030
16915993630,4cyclictest33-21ksoftirqd/223:09:102
16915993630,4cyclictest33-21ksoftirqd/221:59:232
16915993630,4cyclictest33-21ksoftirqd/220:39:522
16915993630,4cyclictest33-21ksoftirqd/219:29:302
16914993630,4cyclictest25-21ksoftirqd/123:07:571
16914993630,4cyclictest25-21ksoftirqd/122:18:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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