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2026-04-21 - 10:59
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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 Tue Apr 21, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
102952208174,23sleep30-21swapper/319:07:293
102182205171,23sleep20-21swapper/219:06:362
101652202168,22sleep10-21swapper/119:05:551
101642200167,22sleep00-21swapper/019:05:540
3189121430,4sleep31078499cyclictest00:20:263
1049028363,11sleep10-21swapper/119:10:001
10784996528,10cyclictest41-21ksoftirqd/320:49:593
10784996227,4cyclictest41-21ksoftirqd/323:55:003
10784996226,8cyclictest41-21ksoftirqd/321:45:003
10784996225,5cyclictest41-21ksoftirqd/320:30:013
10784996127,4cyclictest41-21ksoftirqd/320:45:003
10784996125,5cyclictest41-21ksoftirqd/320:00:253
10784996032,6cyclictest41-21ksoftirqd/322:25:173
10784996030,3cyclictest41-21ksoftirqd/323:00:163
10784996028,4cyclictest41-21ksoftirqd/300:05:163
197042590,1sleep00-21swapper/020:35:140
10784995925,4cyclictest41-21ksoftirqd/322:35:003
10784995925,4cyclictest41-21ksoftirqd/319:20:153
10784995922,4cyclictest41-21ksoftirqd/320:30:303
10784995828,8cyclictest41-21ksoftirqd/300:25:203
10784995827,3cyclictest41-21ksoftirqd/322:25:003
10784995826,8cyclictest41-21ksoftirqd/323:15:143
10784995826,6cyclictest41-21ksoftirqd/322:00:273
10784995825,8cyclictest41-21ksoftirqd/322:10:013
10784995824,4cyclictest41-21ksoftirqd/321:10:203
10784995727,4cyclictest41-21ksoftirqd/320:55:253
10784995726,10cyclictest41-21ksoftirqd/300:10:193
10784995629,4cyclictest41-21ksoftirqd/321:45:183
10784995628,3cyclictest41-21ksoftirqd/319:55:233
10784995627,3cyclictest41-21ksoftirqd/323:05:233
10784995622,3cyclictest41-21ksoftirqd/321:20:153
10784995523,8cyclictest41-21ksoftirqd/322:40:153
10784995521,4cyclictest41-21ksoftirqd/321:50:133
10784995519,4cyclictest41-21ksoftirqd/322:10:323
10784995519,4cyclictest41-21ksoftirqd/321:03:543
10784995518,4cyclictest41-21ksoftirqd/322:38:573
10784995518,4cyclictest41-21ksoftirqd/322:18:583
23502540,6sleep01078199cyclictest20:00:000
10784995427,6cyclictest41-21ksoftirqd/300:15:253
10784995424,4cyclictest41-21ksoftirqd/320:10:173
10784995421,3cyclictest41-21ksoftirqd/320:15:133
10784995420,10cyclictest41-21ksoftirqd/323:25:163
10784995418,4cyclictest41-21ksoftirqd/300:03:493
10784995415,4cyclictest41-21ksoftirqd/322:49:313
10784995319,4cyclictest41-21ksoftirqd/323:45:143
10784995318,4cyclictest41-21ksoftirqd/321:06:293
10784995316,4cyclictest41-21ksoftirqd/319:37:373
10784995315,4cyclictest41-21ksoftirqd/323:44:273
10784995229,6cyclictest41-21ksoftirqd/320:20:263
10784995220,4cyclictest41-21ksoftirqd/321:25:153
10784995216,4cyclictest41-21ksoftirqd/321:36:273
10784995127,6cyclictest41-21ksoftirqd/300:35:173
10784995126,6cyclictest41-21ksoftirqd/322:55:163
10784995118,5cyclictest41-21ksoftirqd/321:17:453
1078499507,2cyclictest41-21ksoftirqd/323:35:013
10784995021,3cyclictest41-21ksoftirqd/300:00:013
10784995020,9cyclictest41-21ksoftirqd/320:05:243
10782995043,4cyclictest24847-21turbostat.cron19:40:001
1078499495,3cyclictest41-21ksoftirqd/319:50:293
10784994912,4cyclictest41-21ksoftirqd/321:56:483
1078499487,2cyclictest41-21ksoftirqd/323:35:133
10783994842,3cyclictest29791-21sh22:05:002
87152470,2sleep10-21swapper/122:25:231
192212470,2sleep10-21swapper/121:40:221
1078499477,8cyclictest41-21ksoftirqd/321:30:253
1078499476,7cyclictest41-21ksoftirqd/320:50:213
1078499475,6cyclictest41-21ksoftirqd/320:40:013
10784994714,7cyclictest41-21ksoftirqd/319:40:573
1078499466,3cyclictest41-21ksoftirqd/323:20:273
83072450,1sleep20-21swapper/222:25:202
1078499455,3cyclictest41-21ksoftirqd/319:30:013
1078499455,2cyclictest41-21ksoftirqd/300:30:143
1078499454,7cyclictest41-21ksoftirqd/319:30:263
1078499445,6cyclictest41-21ksoftirqd/319:45:203
1078499445,6cyclictest41-21ksoftirqd/319:45:203
1078499445,6cyclictest41-21ksoftirqd/319:15:003
1078499443,7cyclictest41-21ksoftirqd/319:15:253
10784994419,3cyclictest41-21ksoftirqd/322:50:163
10784994319,3cyclictest41-21ksoftirqd/323:10:223
10783994337,3cyclictest18004-21cron23:55:002
10781994338,3cyclictest9756-21basename22:30:010
10783993922,15cyclictest4898-21cron00:35:002
10783993831,4cyclictest33-21ksoftirqd/221:45:252
10783993731,4cyclictest33-21ksoftirqd/219:55:572
10782993730,4cyclictest25-21ksoftirqd/119:25:141
10783993631,3cyclictest33-21ksoftirqd/220:35:002
10783993630,4cyclictest33-21ksoftirqd/223:43:272
10783993630,4cyclictest33-21ksoftirqd/222:24:572
10782993631,3cyclictest25-21ksoftirqd/122:45:011
10782993630,4cyclictest25-21ksoftirqd/122:37:041
10782993630,4cyclictest25-21ksoftirqd/122:21:221
10782993630,4cyclictest25-21ksoftirqd/100:33:171
10781993631,3cyclictest9-21ksoftirqd/023:55:340
10781993631,3cyclictest9-21ksoftirqd/023:20:010
57898350,2rtkit-daemon0-21swapper/122:59:311
10783993529,4cyclictest33-21ksoftirqd/220:18:202
10782993531,3cyclictest25-21ksoftirqd/122:19:591
10782993530,3cyclictest25-21ksoftirqd/121:10:141
10782993530,3cyclictest25-21ksoftirqd/100:16:581
10782993529,4cyclictest25-21ksoftirqd/123:04:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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