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2025-12-10 - 02:56
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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 rack3slot0.osadl.org (updated Wed Dec 10, 2025 00:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7132960,2sleep72674499cyclictest22:59:247
218532710,0sleep70-21swapper/723:40:017
239972540,6sleep30-21swapper/322:43:513
291392520,0sleep50-21swapper/523:23:415
65342490,0sleep60-21swapper/623:04:526
65342490,0sleep60-21swapper/623:04:526
238822490,2sleep02673299cyclictest23:15:510
77182480,1sleep27408-21sshd23:07:282
77182480,1sleep27408-21sshd23:07:282
14922470,0sleep00-21swapper/000:10:210
162402460,0sleep40-21swapper/422:15:564
275302440,0sleep627528-21sshd21:11:596
92792430,0sleep20-21swapper/221:40:302
2631324326,13sleep50-21swapper/518:49:465
2413424326,13sleep60-21swapper/618:48:506
181012420,1sleep5711-21dbus-daemon22:13:415
140122420,0sleep00-21swapper/022:40:270
120922420,2sleep62673999cyclictest21:05:426
313112410,0sleep10-21swapper/121:57:191
264202410,0sleep10-21swapper/122:46:291
2633324128,9sleep70-21swapper/718:50:047
2630824129,9sleep00-21swapper/018:49:410
195832410,1sleep665-21ksoftirqd/622:55:556
143972410,0sleep10-21swapper/121:38:291
2652124028,9sleep30-21swapper/318:52:323
317012390,0sleep50-21swapper/521:47:225
2649123926,9sleep40-21swapper/418:52:094
2640323926,9sleep20-21swapper/218:50:552
192392390,0sleep20-21swapper/222:26:202
2627823825,9sleep10-21swapper/118:49:181
50862370,0sleep10-21swapper/123:24:091
146402370,0sleep20-21swapper/200:03:272
109052370,0sleep70-21swapper/721:43:167
257572350,1sleep125-21ksoftirqd/122:01:521
9932290,1sleep02673299cyclictest22:59:250
2674499262,18cyclictest711-21dbus-daemon22:11:317
2674499230,12cyclictest25073-21grepconf.sh22:51:217
26736992310,4cyclictest49-21ksoftirqd/400:04:594
2674499227,9cyclictest0-21swapper/720:37:387
2674499227,9cyclictest0-21swapper/720:37:387
2674499227,9cyclictest0-21swapper/719:40:487
2674499227,9cyclictest0-21swapper/719:40:487
2674499213,10cyclictest18115-21sshd22:06:177
2674499208,6cyclictest0-21swapper/721:54:337
2674499207,12cyclictest10832-21sshd22:28:117
2674499202,11cyclictest8650-21sshd20:54:367
2674499200,16cyclictest29333-21kworker/7:221:01:237
26733992015,2cyclictest14651-21grepconf.sh21:18:321
2674499192,5cyclictest0-21swapper/719:23:447
2673699197,3cyclictest49-21ksoftirqd/422:24:114
2673699197,3cyclictest49-21ksoftirqd/400:18:524
2674499188,9cyclictest859-21polkitd23:38:117
2674499188,10cyclictest0-21swapper/721:18:407
2674499188,10cyclictest0-21swapper/720:43:287
2674499188,10cyclictest0-21swapper/719:38:167
2674499188,10cyclictest0-21swapper/718:58:087
2674499187,5cyclictest0-21swapper/723:32:077
2674499187,5cyclictest0-21swapper/722:28:577
2674499187,5cyclictest0-21swapper/722:15:597
2674499187,5cyclictest0-21swapper/722:00:517
2674499187,0cyclictest0-21swapper/719:54:087
2674499186,12cyclictest0-21swapper/700:18:357
2674499182,10cyclictest0-21swapper/700:20:177
2673799187,5cyclictest0-21swapper/519:05:285
2673799180,13cyclictest27548-21kworker/5:222:32:195
2673699183,2cyclictest49-21ksoftirqd/421:38:454
241452180,0sleep00-21swapper/000:18:060
2674499178,9cyclictest0-21swapper/720:26:567
2674499178,9cyclictest0-21swapper/720:10:007
2674499178,9cyclictest0-21swapper/719:52:427
2674499178,9cyclictest0-21swapper/700:01:237
2674499177,9cyclictest0-21swapper/719:17:287
2674499177,4cyclictest0-21swapper/722:38:577
2674499177,10cyclictest0-21swapper/720:50:247
2674499177,10cyclictest0-21swapper/720:03:247
2674499177,10cyclictest0-21swapper/719:43:527
2674499177,10cyclictest0-21swapper/719:29:287
2674499177,10cyclictest0-21swapper/719:29:287
2674499177,10cyclictest0-21swapper/719:28:187
2674499177,10cyclictest0-21swapper/719:09:407
2674499176,5cyclictest0-21swapper/721:49:057
2674499176,1cyclictest0-21swapper/723:09:377
2674499173,11cyclictest0-21swapper/720:15:247
26739991713,3cyclictest65-21ksoftirqd/623:33:216
2673799174,12cyclictest0-21swapper/522:54:035
26737991712,5cyclictest0-21swapper/523:40:415
2673699177,1cyclictest49-21ksoftirqd/420:59:554
2673699176,1cyclictest49-21ksoftirqd/423:34:274
2673699175,3cyclictest49-21ksoftirqd/423:06:314
2673699175,3cyclictest49-21ksoftirqd/423:06:314
2673699175,1cyclictest49-21ksoftirqd/422:10:294
26736991715,1cyclictest49-21ksoftirqd/423:58:574
26736991715,1cyclictest49-21ksoftirqd/421:45:034
26736991715,1cyclictest49-21ksoftirqd/421:18:574
26736991711,5cyclictest49-21ksoftirqd/421:50:514
2673699170,16cyclictest24847-21grepconf.sh23:53:364
2673699170,16cyclictest24847-21grepconf.sh23:53:364
2673599172,12cyclictest27413-21sshd22:09:183
26734991714,2cyclictest33-21ksoftirqd/221:46:472
26732991715,1cyclictest9-21ksoftirqd/000:06:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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