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2026-09-20 - 06:03
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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 Sep 20, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171442620,0sleep50-21swapper/522:41:585
215482540,2sleep72496699cyclictest21:54:107
93592530,0sleep00-21swapper/023:17:490
40552530,0sleep60-21swapper/623:29:096
40552530,0sleep60-21swapper/623:29:096
2444925125,8sleep70-21swapper/718:59:547
231262510,1sleep123125-21sshd21:29:221
98732500,1sleep09872-21bash23:58:500
152112490,1sleep215204-21bash23:04:542
6572480,1sleep4623-21sshd21:29:494
41222470,0sleep60-21swapper/600:27:396
39202460,0sleep30-21swapper/322:35:233
26052460,0sleep30-21swapper/323:00:223
2475724626,17sleep30-21swapper/319:04:073
85942450,0sleep50-21swapper/521:43:515
85942450,0sleep50-21swapper/521:43:515
267302450,0sleep50-21swapper/522:05:465
50512440,0sleep00-21swapper/000:09:470
152442440,0sleep10-21swapper/100:20:221
258042430,0sleep20-21swapper/222:36:422
18582430,1sleep0101ktimersoftd/022:54:340
165512430,0sleep20-21swapper/222:57:252
89122420,0sleep18906-21sshd21:22:411
40052420,1sleep5709-21systemd-logind00:33:235
308662420,0sleep70-21swapper/721:46:587
308122420,0sleep40-21swapper/423:48:214
2477624231,8sleep20-21swapper/219:04:222
245722420,0sleep10-21swapper/123:44:091
193822420,1sleep719385-21grepconf.sh00:30:217
270402410,0sleep60-21swapper/621:44:486
2447424129,8sleep50-21swapper/519:00:165
80812400,0sleep10-21swapper/121:09:191
31092400,0sleep40-21swapper/423:54:294
2474524028,8sleep00-21swapper/019:03:560
2474024027,9sleep40-21swapper/419:03:524
2468824029,8sleep10-21swapper/119:03:091
2455524028,8sleep60-21swapper/619:01:216
225672400,0sleep40-21swapper/400:30:344
219542400,0sleep20-21swapper/222:48:042
216922400,0sleep10-21swapper/100:03:151
142212400,1sleep4663-21in:imjournal00:00:544
140202390,2sleep585250irq/26-em1-tx-023:08:415
188122380,0sleep0721-21dbus-daemon22:26:310
188122380,0sleep0721-21dbus-daemon22:26:310
118092380,0sleep40-21swapper/420:34:234
244392370,0sleep30-21swapper/321:42:533
244392370,0sleep30-21swapper/321:42:533
206332360,2sleep02490799cyclictest23:47:450
311582350,0sleep70-21swapper/723:28:457
311582350,0sleep70-21swapper/723:28:457
68042330,0sleep50-21swapper/521:55:055
172852240,2sleep02490799cyclictest21:11:420
24940992317,3cyclictest49-21ksoftirqd/421:52:084
2494099221,3cyclictest49-21ksoftirqd/421:20:394
2494099216,3cyclictest49-21ksoftirqd/423:11:274
2494099204,3cyclictest49-21ksoftirqd/400:09:244
2494099203,3cyclictest49-21ksoftirqd/421:09:224
24940992016,3cyclictest49-21ksoftirqd/423:33:224
24940992015,3cyclictest49-21ksoftirqd/422:00:454
24940992015,2cyclictest49-21ksoftirqd/422:46:414
2494099200,1cyclictest131rcu_sched23:39:404
24907992015,2cyclictest32593-21sshd00:00:020
24966991917,1cyclictest73-21ksoftirqd/721:14:427
2494099197,1cyclictest49-21ksoftirqd/423:01:114
2494099194,1cyclictest49-21ksoftirqd/400:07:114
2494099193,1cyclictest49-21ksoftirqd/423:50:064
24940991915,1cyclictest49-21ksoftirqd/422:55:064
24940991914,4cyclictest49-21ksoftirqd/422:22:394
2494099191,1cyclictest121rcu_preempt23:14:354
138332190,2sleep22492399cyclictest21:26:422
72892180,0sleep10-21swapper/100:08:041
2495899180,17cyclictest0-21swapper/622:10:206
2494099182,1cyclictest49-21ksoftirqd/423:20:334
2494099182,1cyclictest49-21ksoftirqd/422:04:434
24940991816,1cyclictest49-21ksoftirqd/421:42:014
24940991816,1cyclictest49-21ksoftirqd/421:42:014
24940991813,3cyclictest49-21ksoftirqd/423:27:034
24940991813,3cyclictest49-21ksoftirqd/423:27:034
235672180,0sleep30-21swapper/321:57:593
24966991714,1cyclictest73-21ksoftirqd/723:46:357
2494099173,1cyclictest49-21ksoftirqd/422:29:414
2494099173,1cyclictest49-21ksoftirqd/422:29:414
2494099173,1cyclictest49-21ksoftirqd/421:12:274
24940991715,1cyclictest49-21ksoftirqd/422:34:424
24940991715,1cyclictest49-21ksoftirqd/422:24:284
24940991715,1cyclictest49-21ksoftirqd/422:24:284
24940991715,1cyclictest49-21ksoftirqd/421:55:204
24940991715,1cyclictest49-21ksoftirqd/400:16:174
24940991715,1cyclictest464-21systemd-journal22:52:054
24940991714,1cyclictest49-21ksoftirqd/421:44:434
24940991714,1cyclictest49-21ksoftirqd/400:20:014
2494099170,16cyclictest709-21systemd-logind00:25:114
95672160,1sleep19524-21sshd22:29:451
95672160,1sleep19524-21sshd22:29:451
38952160,2sleep52495099cyclictest00:07:525
2494099162,3cyclictest49-21ksoftirqd/422:09:364
24940991614,1cyclictest49-21ksoftirqd/423:34:474
24940991614,1cyclictest49-21ksoftirqd/422:41:424
24940991614,1cyclictest49-21ksoftirqd/422:15:184
24940991612,3cyclictest49-21ksoftirqd/421:14:314
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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