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2026-01-08 - 02:46
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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 Thu Jan 08, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1053021030,2sleep5776899cyclictest21:35:475
277022780,2sleep2311rcuc/223:56:472
94642700,0sleep0111rcuc/021:42:070
749625240,8sleep70-21swapper/719:07:527
732325226,9sleep40-21swapper/419:05:244
40042510,0sleep70-21swapper/700:00:537
749125027,8sleep20-21swapper/219:07:472
62492500,1sleep76248-21grepconf.sh21:51:357
733124926,8sleep30-21swapper/319:05:313
325222490,0sleep20-21swapper/223:44:222
753824724,9sleep00-21swapper/019:08:250
55172460,0sleep30-21swapper/323:38:303
92782450,0sleep50-21swapper/523:38:565
327042450,0sleep00-21swapper/021:57:280
226262440,0sleep3401ktimersoftd/321:59:313
264322430,0sleep4686-21dbus-daemon23:40:324
200792430,1sleep773-21ksoftirqd/722:44:367
727424231,8sleep50-21swapper/519:04:455
750824129,9sleep10-21swapper/119:08:021
727524129,9sleep60-21swapper/619:04:466
22522410,0sleep20-21swapper/222:26:462
280472400,0sleep40-21swapper/423:56:494
139352400,0sleep30-21swapper/300:14:583
60452390,0sleep70-21swapper/700:24:077
14802380,0sleep00-21swapper/023:28:180
147202380,0sleep00-21swapper/000:24:490
298062360,0sleep40-21swapper/421:11:274
776599229,3cyclictest49-21ksoftirqd/421:42:464
776599227,1cyclictest49-21ksoftirqd/423:34:294
776599217,4cyclictest49-21ksoftirqd/421:14:584
776599217,1cyclictest49-21ksoftirqd/421:54:284
776599216,2cyclictest49-21ksoftirqd/423:14:194
776599216,2cyclictest49-21ksoftirqd/423:14:194
776599215,1cyclictest49-21ksoftirqd/423:26:464
7765992115,4cyclictest49-21ksoftirqd/422:52:364
7765992114,4cyclictest49-21ksoftirqd/422:00:504
7765992114,1cyclictest49-21ksoftirqd/421:33:284
7765992114,1cyclictest49-21ksoftirqd/421:33:284
776599206,1cyclictest49-21ksoftirqd/422:28:094
776599205,3cyclictest49-21ksoftirqd/422:47:494
7765992012,5cyclictest49-21ksoftirqd/422:15:364
776899193,7cyclictest686-21dbus-daemon23:40:295
776899190,2cyclictest1606-21bash23:50:565
776599197,3cyclictest49-21ksoftirqd/400:30:384
776599196,1cyclictest49-21ksoftirqd/421:46:364
776599195,3cyclictest49-21ksoftirqd/421:36:344
776599195,2cyclictest49-21ksoftirqd/400:22:594
776599194,1cyclictest49-21ksoftirqd/400:09:454
776599194,1cyclictest49-21ksoftirqd/400:09:454
776599192,2cyclictest49-21ksoftirqd/422:07:374
7765991916,3cyclictest49-21ksoftirqd/423:47:414
7765991910,2cyclictest49-21ksoftirqd/423:08:524
775499197,1cyclictest885-21polkitd21:40:593
24162190,1sleep12419-21systemd-cgroups00:20:171
776899180,2cyclictest10066-21id00:30:515
776899180,1cyclictest9141-21sshd21:58:235
776899180,1cyclictest1-21systemd23:05:315
776599189,1cyclictest49-21ksoftirqd/400:24:244
776599188,3cyclictest49-21ksoftirqd/400:04:194
776599188,1cyclictest49-21ksoftirqd/422:56:264
776599187,3cyclictest49-21ksoftirqd/422:41:314
776599185,2cyclictest49-21ksoftirqd/422:23:124
776599185,2cyclictest49-21ksoftirqd/422:23:124
7765991814,1cyclictest49-21ksoftirqd/422:12:114
7765991811,4cyclictest49-21ksoftirqd/422:59:114
775499189,1cyclictest41-21ksoftirqd/322:58:403
7754991814,3cyclictest41-21ksoftirqd/322:30:053
7754991814,1cyclictest41-21ksoftirqd/321:52:273
776899172,6cyclictest29658-21grepconf.sh22:42:305
776899170,2cyclictest686-21dbus-daemon22:29:355
776599178,1cyclictest49-21ksoftirqd/423:10:044
776599177,2cyclictest49-21ksoftirqd/422:37:374
776599174,2cyclictest49-21ksoftirqd/423:59:114
776599173,3cyclictest49-21ksoftirqd/422:29:284
776599173,1cyclictest49-21ksoftirqd/423:32:004
7765991715,1cyclictest49-21ksoftirqd/421:21:584
7754991715,1cyclictest41-21ksoftirqd/323:25:373
7754991715,1cyclictest41-21ksoftirqd/322:22:073
7754991715,1cyclictest41-21ksoftirqd/322:22:073
7754991714,2cyclictest41-21ksoftirqd/321:57:283
7754991713,3cyclictest41-21ksoftirqd/323:59:483
7754991712,3cyclictest41-21ksoftirqd/322:26:553
775499170,1cyclictest41-21ksoftirqd/323:47:563
7749991713,3cyclictest13550irq/24-ahci[00022:47:392
776899169,6cyclictest15005-21grep22:21:385
776899169,6cyclictest15005-21grep22:21:385
776899160,8cyclictest0-21swapper/522:58:145
776899160,2cyclictest19133-21bash00:38:165
776899160,1cyclictest1-21systemd22:13:275
776599165,2cyclictest49-21ksoftirqd/421:24:234
776599163,1cyclictest49-21ksoftirqd/400:15:154
7765991614,1cyclictest49-21ksoftirqd/400:34:224
7765991612,1cyclictest49-21ksoftirqd/423:51:074
7765991612,1cyclictest49-21ksoftirqd/423:19:364
7754991613,3cyclictest41-21ksoftirqd/321:19:113
7754991610,1cyclictest41-21ksoftirqd/321:45:333
775499161,2cyclictest41-21ksoftirqd/323:19:223
775499160,1cyclictest121rcu_preempt00:33:523
187712160,0sleep20-21swapper/223:59:122
776899152,8cyclictest885-21polkitd21:27:235
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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