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2026-07-04 - 15:52
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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 Sat Jul 04, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188662990,2sleep03235599cyclictest09:46:540
207842890,6sleep33237999cyclictest09:31:433
193022850,0sleep0111rcuc/010:08:080
29042730,0sleep60-21swapper/609:57:416
29042730,0sleep60-21swapper/609:57:416
3212225027,9sleep50-21swapper/507:05:565
202522500,1sleep520245-21sshd12:13:325
108782500,0sleep70-21swapper/712:28:247
3211924926,8sleep20-21swapper/207:05:532
291892470,0sleep029187-21sshd09:22:350
266932470,0sleep70-21swapper/710:36:027
262402460,0sleep60-21swapper/612:23:266
236202460,0sleep10-21swapper/111:30:111
51392450,1sleep15138-21bash11:07:361
303202450,0sleep10-21swapper/110:34:121
291662450,0sleep00-21swapper/010:32:190
179572440,1sleep017916-21sshd09:37:250
260572430,0sleep40-21swapper/410:47:374
41802420,0sleep20-21swapper/210:36:382
3196824229,9sleep40-21swapper/407:03:474
314472420,1sleep231432-21bash09:36:142
131342420,0sleep20-21swapper/211:27:312
3189424129,8sleep70-21swapper/707:02:467
274692410,0sleep30-21swapper/310:02:593
205042410,0sleep40-21swapper/409:16:224
168132410,0sleep60-21swapper/610:51:076
3462400,0sleep40-21swapper/410:09:004
3216724028,9sleep10-21swapper/107:06:321
98882390,0sleep40-21swapper/409:27:114
98192390,0sleep50-21swapper/508:17:385
3217223926,9sleep60-21swapper/607:06:376
3197323927,8sleep00-21swapper/007:03:510
156402390,0sleep60-21swapper/612:17:096
86022380,0sleep50-21swapper/512:26:215
77502380,0sleep00-21swapper/009:57:590
77502380,0sleep00-21swapper/009:57:590
2976023827,8sleep30-21swapper/307:02:263
133312380,0sleep70-21swapper/709:14:017
223822340,0sleep00-21swapper/010:06:320
317792270,0sleep20-21swapper/209:41:592
52352230,0sleep20-21swapper/210:25:082
3240599219,2cyclictest65-21ksoftirqd/611:46:016
58802200,0sleep00-21swapper/011:40:590
58742200,0sleep40-21swapper/412:02:424
32412992015,1cyclictest73-21ksoftirqd/710:22:217
3240599208,3cyclictest65-21ksoftirqd/611:57:196
32405992018,2cyclictest65-21ksoftirqd/611:49:286
32405992015,1cyclictest121rcu_preempt11:13:146
3237999200,2cyclictest25218-21bash11:03:003
121692200,0sleep2721-21dbus-daemon11:47:262
32412991913,2cyclictest23093-21sshd12:05:487
3240599198,3cyclictest65-21ksoftirqd/609:17:266
3240599197,1cyclictest65-21ksoftirqd/611:23:486
32405991915,4cyclictest65-21ksoftirqd/609:11:016
32405991915,1cyclictest65-21ksoftirqd/609:23:066
3237999190,9cyclictest3775-21sshd10:38:333
3240599185,1cyclictest65-21ksoftirqd/611:08:176
3240599184,1cyclictest65-21ksoftirqd/609:37:156
3240599183,1cyclictest65-21ksoftirqd/609:30:056
32405991817,1cyclictest65-21ksoftirqd/609:41:436
32405991816,1cyclictest85150irq/25-em1-rx-010:27:366
32405991815,3cyclictest65-21ksoftirqd/612:35:236
32405991814,3cyclictest65-21ksoftirqd/609:15:466
32405991812,3cyclictest65-21ksoftirqd/610:44:426
3237999180,2cyclictest21115-21kworker/u16:410:35:423
3237999180,1cyclictest0-21swapper/311:25:003
314242180,0sleep40-21swapper/409:09:014
32412991716,1cyclictest73-21ksoftirqd/712:33:057
32412991716,1cyclictest73-21ksoftirqd/710:47:187
32412991715,1cyclictest73-21ksoftirqd/712:07:517
32412991715,1cyclictest73-21ksoftirqd/711:58:117
32412991715,1cyclictest73-21ksoftirqd/710:11:567
32412991715,1cyclictest73-21ksoftirqd/709:40:117
32412991715,1cyclictest73-21ksoftirqd/709:36:477
32412991715,1cyclictest73-21ksoftirqd/709:18:297
32412991714,2cyclictest73-21ksoftirqd/711:03:117
32412991714,2cyclictest73-21ksoftirqd/710:14:557
3241299170,16cyclictest7032-21kworker/7:511:18:207
3240599176,2cyclictest65-21ksoftirqd/611:31:396
32405991715,1cyclictest464-21systemd-journal11:55:126
3237999170,2cyclictest6645-21sshd11:35:113
3237999170,2cyclictest6645-21sshd11:35:113
3237999170,2cyclictest1-21systemd12:31:313
3237999170,1cyclictest7685-21systemd-cgroups10:50:323
3237999170,1cyclictest1-21systemd10:10:303
68322160,0sleep40-21swapper/409:17:264
32412991614,1cyclictest73-21ksoftirqd/712:25:207
32412991614,1cyclictest73-21ksoftirqd/712:17:337
32412991614,1cyclictest73-21ksoftirqd/711:30:167
32412991614,1cyclictest73-21ksoftirqd/711:07:367
32412991614,1cyclictest73-21ksoftirqd/710:43:317
32412991614,1cyclictest73-21ksoftirqd/710:21:047
32412991614,1cyclictest73-21ksoftirqd/709:08:417
32412991613,2cyclictest73-21ksoftirqd/712:16:197
32412991613,2cyclictest73-21ksoftirqd/710:39:257
32412991612,1cyclictest73-21ksoftirqd/709:54:447
32412991611,4cyclictest73-21ksoftirqd/711:01:367
3240599165,1cyclictest65-21ksoftirqd/610:54:576
3240599165,1cyclictest65-21ksoftirqd/610:32:386
3240599162,1cyclictest65-21ksoftirqd/611:18:566
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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