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2026-06-21 - 17:43
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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 Sun Jun 21, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2677499144109,13cyclictest9-21ksoftirqd/012:22:200
57282740,1sleep55723-21bash09:33:195
279482710,0sleep70-21swapper/710:20:067
26825997135,36cyclictest0-21swapper/612:22:206
2412726049,8sleep50-21swapper/507:02:495
200992550,0sleep50-21swapper/509:43:365
245232540,1sleep773-21ksoftirqd/709:28:327
219932540,0sleep70-21swapper/712:04:187
2678299520,51cyclictest18039-21kworker/u16:212:22:191
2650425139,8sleep70-21swapper/707:06:287
2644425026,8sleep60-21swapper/607:05:396
315232460,0sleep10-21swapper/111:13:181
251032460,1sleep225100-21systemd12:06:292
227432450,0sleep60-21swapper/611:39:266
191402450,0sleep60-21swapper/611:01:146
80872440,0sleep00-21swapper/012:24:300
80872440,0sleep00-21swapper/012:24:300
252162440,0sleep20-21swapper/210:37:072
252092440,1sleep525192-21bash12:14:015
219132440,0sleep30-21swapper/309:58:483
226852430,1sleep422666-21sshd12:25:224
226852430,1sleep422666-21sshd12:25:224
2632624228,10sleep40-21swapper/407:04:004
173372420,0sleep50-21swapper/511:54:235
90592410,0sleep50-21swapper/510:17:085
32762410,0sleep5758-21runrttasks08:17:595
307492410,0sleep00-21swapper/009:11:590
307412410,0sleep1231rcuc/112:10:371
279602410,1sleep6721-21dbus-daemon10:10:366
210212410,1sleep021012-21bash11:43:050
13042410,0sleep20-21swapper/210:10:562
129702410,0sleep00-21swapper/010:51:310
2678999403,36cyclictest0-21swapper/212:22:192
229782400,0sleep40-21swapper/412:21:374
279242390,2sleep22678999cyclictest11:55:002
2639023927,9sleep10-21swapper/107:04:531
2628823927,8sleep30-21swapper/307:03:273
2413123927,8sleep00-21swapper/007:02:520
215502390,0sleep60-21swapper/611:37:346
166012390,0sleep30-21swapper/310:04:083
96062380,0sleep10-21swapper/111:02:371
284462380,0sleep00-21swapper/009:34:420
2632423827,8sleep20-21swapper/207:03:582
202132380,0sleep40-21swapper/410:19:394
289442370,0sleep1241ktimersoftd/107:08:051
212702320,0sleep60-21swapper/609:26:316
2679799290,28cyclictest13432-21kworker/u16:112:22:193
2683199270,0cyclictest0-21swapper/712:22:197
2680599250,7cyclictest27128-21bash11:37:524
2680599240,9cyclictest29752-21grep11:11:234
2680599230,8cyclictest1-21systemd10:15:474
2680599230,8cyclictest0-21swapper/411:28:054
2680599221,6cyclictest23252-21sshd10:35:054
2680599220,8cyclictest12618-21sd-pam09:08:344
2680599220,7cyclictest30821-21sshd09:15:464
2680599210,8cyclictest26757-21kill11:51:114
2680599210,7cyclictest6313-21systemd10:07:274
2680599210,7cyclictest14828-21sd-pam10:45:574
2680599210,6cyclictest18310-21kill12:06:054
2680599210,10cyclictest32680-21cp10:01:224
2680599200,9cyclictest27905-21sshd11:01:464
2680599200,7cyclictest6090-21grepconf.sh12:01:244
2680599200,7cyclictest23803-21sshd12:08:124
2680599200,7cyclictest2301-21grep11:15:264
2680599200,12cyclictest2199-21id09:23:264
2680599200,10cyclictest12035-21grepconf.sh10:38:094
2677499202,6cyclictest0-21swapper/011:24:130
26774992014,5cyclictest9-21ksoftirqd/009:12:470
288542190,0sleep23163-21kworker/u16:012:25:442
288542190,0sleep23163-21kworker/u16:012:25:442
26817991914,0cyclictest85250irq/26-em1-tx-012:22:195
2680599192,7cyclictest23472-21sshd11:37:414
2680599190,9cyclictest9799-21sshd11:04:274
2680599190,9cyclictest1678-21sshd11:45:544
2680599190,9cyclictest1-21systemd11:17:594
2680599190,8cyclictest3550-21sshd11:23:114
2680599190,8cyclictest27452-21bash09:55:254
2680599190,8cyclictest1-21systemd10:24:234
2680599190,7cyclictest16497-21systemd10:29:024
2680599190,6cyclictest5652-21sshd09:35:154
2680599190,6cyclictest5473-21sshd11:53:414
2680599190,6cyclictest0-21swapper/410:50:054
2680599190,11cyclictest18065-21systemd09:39:464
2680599190,10cyclictest709-21systemd-logind09:18:424
2677499198,5cyclictest0-21swapper/007:22:170
2677499198,0cyclictest0-21swapper/008:22:090
2677499198,0cyclictest0-21swapper/007:10:450
26774991913,3cyclictest9-21ksoftirqd/011:54:460
2680599180,9cyclictest13770-21bash12:13:214
2680599180,7cyclictest5441-21swap12:28:044
2680599180,7cyclictest5441-21swap12:28:044
2680599180,7cyclictest31257-21bash09:44:164
2680599180,6cyclictest0-21swapper/410:09:374
2680599180,11cyclictest4324-21sshd09:52:114
2680599180,0cyclictest0-21swapper/410:56:454
2677499187,5cyclictest0-21swapper/008:25:050
2677499187,5cyclictest0-21swapper/007:26:330
26774991816,2cyclictest9-21ksoftirqd/009:48:240
2680599170,6cyclictest0-21swapper/412:33:044
2680599170,6cyclictest0-21swapper/409:30:084
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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