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2026-05-10 - 04:31
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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 rackdslot1.osadl.org (updated Sun May 10, 2026 00:45:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2940221640,6sleep33007699cyclictest20:15:283
30076997829,12cyclictest41-21ksoftirqd/321:35:023
30076996740,3cyclictest41-21ksoftirqd/322:50:253
66162650,3sleep30-21swapper/322:55:233
30076996339,3cyclictest41-21ksoftirqd/322:20:283
123292630,4sleep00-21swapper/000:15:270
123292630,4sleep00-21swapper/000:15:260
30076996230,4cyclictest41-21ksoftirqd/322:15:163
30076996226,8cyclictest41-21ksoftirqd/323:43:163
30076996136,3cyclictest41-21ksoftirqd/300:00:293
30076996129,8cyclictest41-21ksoftirqd/320:55:593
30076996129,4cyclictest41-21ksoftirqd/319:30:153
30076996030,8cyclictest41-21ksoftirqd/322:48:073
30076996029,4cyclictest41-21ksoftirqd/320:04:523
30076996028,4cyclictest41-21ksoftirqd/319:55:133
30076996025,9cyclictest41-21ksoftirqd/321:25:013
134491600,6ptp4l0-21swapper/219:08:282
30076995926,4cyclictest41-21ksoftirqd/319:41:003
30076995824,4cyclictest41-21ksoftirqd/323:23:003
134491580,3ptp4l5821-21meminfo20:35:192
30076995729,4cyclictest41-21ksoftirqd/300:30:163
30076995729,3cyclictest41-21ksoftirqd/319:28:423
30076995725,3cyclictest41-21ksoftirqd/319:10:313
30076995723,4cyclictest41-21ksoftirqd/321:41:303
134491570,4ptp4l0-21swapper/221:40:262
134491570,4ptp4l0-21swapper/200:15:152
134491570,4ptp4l0-21swapper/200:15:142
134491570,3ptp4l0-21swapper/223:35:242
30076995624,3cyclictest41-21ksoftirqd/323:27:393
30076995624,3cyclictest41-21ksoftirqd/322:30:183
30076995623,8cyclictest41-21ksoftirqd/321:05:283
30076995623,4cyclictest41-21ksoftirqd/323:45:483
30076995623,4cyclictest41-21ksoftirqd/321:49:203
30076995617,7cyclictest41-21ksoftirqd/323:15:223
134491560,3ptp4l0-21swapper/121:45:261
30076995527,6cyclictest41-21ksoftirqd/320:40:253
30076995526,8cyclictest41-21ksoftirqd/321:27:043
30076995526,3cyclictest41-21ksoftirqd/322:25:173
30076995523,8cyclictest41-21ksoftirqd/320:45:143
30076995523,7cyclictest41-21ksoftirqd/321:57:243
30076995521,3cyclictest41-21ksoftirqd/322:40:263
30076995520,6cyclictest41-21ksoftirqd/321:30:193
30076995518,9cyclictest41-21ksoftirqd/323:05:223
30076995515,8cyclictest41-21ksoftirqd/320:32:393
30076995514,7cyclictest41-21ksoftirqd/300:20:133
134491550,5ptp4l0-21swapper/023:30:230
134491550,3ptp4l0-21swapper/219:40:542
134491550,3ptp4l0-21swapper/123:45:231
30076995427,4cyclictest41-21ksoftirqd/320:10:213
30076995426,7cyclictest41-21ksoftirqd/319:35:203
30076995426,3cyclictest41-21ksoftirqd/323:00:433
30076995424,4cyclictest41-21ksoftirqd/300:36:073
30076995424,3cyclictest41-21ksoftirqd/322:03:553
30076995420,8cyclictest41-21ksoftirqd/322:10:143
134491540,4ptp4l0-21swapper/221:35:072
30076995323,4cyclictest41-21ksoftirqd/319:17:263
3007399539,4cyclictest9-21ksoftirqd/000:20:300
30076995224,3cyclictest41-21ksoftirqd/323:35:273
30076995223,9cyclictest41-21ksoftirqd/323:30:173
30076995222,7cyclictest41-21ksoftirqd/319:50:203
30076995217,8cyclictest41-21ksoftirqd/320:05:133
134491520,4ptp4l0-21swapper/200:27:332
134491520,19ptp4l0-21swapper/020:25:390
134491520,11ptp4l0-21swapper/023:51:250
30076995120,4cyclictest41-21ksoftirqd/323:55:133
30076995117,8cyclictest41-21ksoftirqd/321:15:123
30076995116,4cyclictest41-21ksoftirqd/319:45:283
3007399517,8cyclictest9-21ksoftirqd/022:50:160
3007399516,5cyclictest9-21ksoftirqd/000:13:200
3007399514,3cyclictest9-21ksoftirqd/023:48:200
134491510,4ptp4l0-21swapper/222:36:202
30076995021,3cyclictest41-21ksoftirqd/320:39:423
30076995014,8cyclictest41-21ksoftirqd/321:10:283
30076995011,8cyclictest41-21ksoftirqd/320:26:093
3007399507,4cyclictest9-21ksoftirqd/022:15:190
3007399504,4cyclictest9-21ksoftirqd/020:40:590
30073995031,3cyclictest134491ptp4l21:05:110
134491500,4ptp4l0-21swapper/221:20:382
134491500,4ptp4l0-21swapper/019:51:280
134491500,3ptp4l0-21swapper/222:59:192
134491500,3ptp4l0-21swapper/221:55:572
134491500,3ptp4l0-21swapper/119:35:491
30076994924,8cyclictest41-21ksoftirqd/323:51:023
134491490,4ptp4l9708-21hddtemp_smartct19:35:160
134491490,4ptp4l0-21swapper/221:25:422
134491490,4ptp4l0-21swapper/220:21:092
134491490,4ptp4l0-21swapper/219:33:592
134491490,4ptp4l0-21swapper/200:02:312
134491490,4ptp4l0-21swapper/120:53:201
134491490,4ptp4l0-21swapper/100:10:031
134491490,4ptp4l0-21swapper/021:48:340
134491490,3ptp4l0-21swapper/219:37:532
3007399488,5cyclictest9-21ksoftirqd/022:44:260
3007399484,3cyclictest9-21ksoftirqd/022:00:290
3007399482,5cyclictest9-21ksoftirqd/023:35:530
134491480,8ptp4l0-21swapper/221:34:522
134491480,4ptp4l0-21swapper/223:13:192
134491480,4ptp4l0-21swapper/220:50:422
134491480,3ptp4l0-21swapper/220:18:442
134491480,3ptp4l0-21swapper/019:06:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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