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2026-07-25 - 19:25
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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 Sat Jul 25, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
976021670,3sleep19763-21grep09:30:181
1191521340,4sleep2874799cyclictest10:45:172
113522760,4sleep011354-21df_abs07:15:130
8745996933,5cyclictest9-21ksoftirqd/009:59:590
8745996834,5cyclictest9-21ksoftirqd/007:40:000
8745996731,4cyclictest9-21ksoftirqd/011:05:010
8745996730,5cyclictest9-21ksoftirqd/011:10:010
8745996632,6cyclictest9-21ksoftirqd/008:50:010
8747996533,8cyclictest33-21ksoftirqd/210:43:172
8747996531,4cyclictest33-21ksoftirqd/208:30:132
8745996428,8cyclictest9-21ksoftirqd/009:20:000
8745996428,8cyclictest9-21ksoftirqd/009:20:000
232202640,4sleep123189-21latency_hist12:19:591
8747996330,6cyclictest33-21ksoftirqd/209:30:222
8747996326,4cyclictest33-21ksoftirqd/209:55:592
8747996324,5cyclictest33-21ksoftirqd/210:00:272
8745996324,7cyclictest9-21ksoftirqd/007:55:230
134491630,5ptp4l0-21swapper/307:06:383
8747996227,4cyclictest33-21ksoftirqd/208:49:042
8745996229,6cyclictest9-21ksoftirqd/012:00:130
8745996228,5cyclictest9-21ksoftirqd/010:05:220
8745996222,8cyclictest9-21ksoftirqd/009:00:240
211582620,6sleep20-21swapper/207:35:172
8747996129,7cyclictest33-21ksoftirqd/207:16:252
8745996130,5cyclictest9-21ksoftirqd/008:30:250
8745996130,4cyclictest9-21ksoftirqd/011:40:010
8745996128,10cyclictest9-21ksoftirqd/011:50:280
8745996127,6cyclictest9-21ksoftirqd/011:25:000
8745996127,5cyclictest9-21ksoftirqd/009:25:250
8745996125,6cyclictest9-21ksoftirqd/009:30:190
8745996124,5cyclictest9-21ksoftirqd/010:44:580
8747996026,4cyclictest33-21ksoftirqd/209:47:412
8747996025,7cyclictest33-21ksoftirqd/209:52:222
8745996026,5cyclictest9-21ksoftirqd/012:05:270
8745996025,5cyclictest9-21ksoftirqd/008:56:350
134491600,3ptp4l0-21swapper/012:35:260
8747995927,6cyclictest33-21ksoftirqd/211:03:592
8747995927,6cyclictest33-21ksoftirqd/208:54:422
8747995925,6cyclictest33-21ksoftirqd/207:20:272
8745995928,5cyclictest9-21ksoftirqd/007:20:150
8745995926,5cyclictest9-21ksoftirqd/011:15:200
8745995926,5cyclictest9-21ksoftirqd/007:50:000
8745995923,5cyclictest9-21ksoftirqd/007:26:450
134491590,4ptp4l18367-21apt-get08:40:130
8747995828,7cyclictest33-21ksoftirqd/210:20:162
8747995827,5cyclictest33-21ksoftirqd/210:30:142
8747995826,4cyclictest33-21ksoftirqd/210:50:182
8747995826,3cyclictest33-21ksoftirqd/209:25:112
8747995825,7cyclictest33-21ksoftirqd/208:42:582
8747995825,5cyclictest33-21ksoftirqd/208:10:262
8747995823,6cyclictest33-21ksoftirqd/208:15:242
8745995826,6cyclictest9-21ksoftirqd/010:15:260
8745995826,6cyclictest9-21ksoftirqd/009:20:220
8745995826,5cyclictest9-21ksoftirqd/011:55:190
8745995825,5cyclictest9-21ksoftirqd/009:35:280
8745995824,3cyclictest9-21ksoftirqd/010:50:170
319562580,6sleep10-21swapper/112:35:281
874799573,30cyclictest0-21swapper/209:39:242
8747995730,7cyclictest33-21ksoftirqd/212:24:102
8747995726,5cyclictest33-21ksoftirqd/211:10:302
8747995725,7cyclictest33-21ksoftirqd/209:10:582
8747995725,5cyclictest33-21ksoftirqd/207:10:272
8747995725,3cyclictest33-21ksoftirqd/211:46:472
8747995724,6cyclictest33-21ksoftirqd/210:39:072
8745995725,5cyclictest9-21ksoftirqd/010:00:210
8745995723,4cyclictest9-21ksoftirqd/007:14:200
8745995718,4cyclictest9-21ksoftirqd/011:25:260
134491570,4ptp4l0-21swapper/309:40:263
134491570,3ptp4l0-21swapper/109:25:181
8747995627,4cyclictest33-21ksoftirqd/208:00:002
8747995626,4cyclictest33-21ksoftirqd/212:14:372
8747995623,6cyclictest33-21ksoftirqd/212:30:232
8745995625,3cyclictest9-21ksoftirqd/010:57:330
8745995624,5cyclictest9-21ksoftirqd/009:50:150
134491560,3ptp4l0-21swapper/108:05:211
134491560,3ptp4l0-21swapper/012:30:180
8747995529,5cyclictest33-21ksoftirqd/207:53:252
8747995529,4cyclictest33-21ksoftirqd/211:24:252
8747995525,9cyclictest33-21ksoftirqd/212:16:362
8747995524,5cyclictest33-21ksoftirqd/209:02:232
8747995523,6cyclictest33-21ksoftirqd/208:56:022
8747995518,4cyclictest33-21ksoftirqd/208:04:562
8745995526,3cyclictest9-21ksoftirqd/010:45:400
8745995524,5cyclictest9-21ksoftirqd/011:50:010
8745995522,3cyclictest9-21ksoftirqd/009:14:040
134491550,3ptp4l0-21swapper/007:40:310
8747995432,12cyclictest33-21ksoftirqd/210:29:042
8747995428,7cyclictest33-21ksoftirqd/207:32:282
8747995424,3cyclictest33-21ksoftirqd/208:08:092
8747995419,5cyclictest33-21ksoftirqd/208:39:442
8747995418,5cyclictest33-21ksoftirqd/211:35:162
8747995416,7cyclictest33-21ksoftirqd/207:43:432
8745995425,5cyclictest9-21ksoftirqd/011:40:290
8745995424,5cyclictest9-21ksoftirqd/010:10:140
8745995424,5cyclictest9-21ksoftirqd/008:55:000
8745995421,5cyclictest9-21ksoftirqd/010:35:270
8747995329,7cyclictest33-21ksoftirqd/211:28:122
8747995325,7cyclictest33-21ksoftirqd/210:19:172
8747995325,4cyclictest33-21ksoftirqd/210:05:592
8747995323,3cyclictest33-21ksoftirqd/209:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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