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2026-03-13 - 23:21
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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 rack2slot0.osadl.org (updated Fri Mar 13, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
116182940,0sleep00-21swapper/012:30:370
274162920,0sleep11073-21nfsd11:48:091
288692910,0sleep20-21swapper/212:07:282
259882740,0sleep225989-21sshd12:29:112
150102560,0sleep30-21swapper/309:25:203
55622550,0sleep30-21swapper/312:24:433
259752550,0sleep10-21swapper/110:25:581
327512540,0sleep00-21swapper/012:24:160
8812530,0sleep00-21swapper/009:54:010
79572530,0sleep00-21swapper/011:21:480
321932530,0sleep30-21swapper/312:07:453
155872530,0sleep30-21swapper/310:55:083
274772520,0sleep10-21swapper/111:18:011
143282520,0sleep30-21swapper/309:19:563
56432510,0sleep30-21swapper/309:54:323
320402510,1sleep332043-21bash09:22:523
239332500,1sleep123928-21sshd11:53:211
149092500,0sleep00-21swapper/010:38:430
149092500,0sleep00-21swapper/010:38:430
185082490,0sleep20-21swapper/212:17:332
301712480,0sleep20-21swapper/212:10:172
300902470,0sleep20-21swapper/211:42:532
253162450,0sleep20-21swapper/210:23:152
175702410,0sleep10-21swapper/112:20:131
114932330,0sleep00-21swapper/010:52:000
38222309,7sleep30-21swapper/307:08:113
246702280,0sleep124671-21tty12:12:361
36072277,7sleep10-21swapper/107:05:251
371222210,7sleep20-21swapper/207:06:462
377422110,7sleep00-21swapper/007:07:320
53852200,0sleep10-21swapper/112:38:231
160642200,0sleep10-21swapper/110:05:511
267122190,0sleep30-21swapper/309:42:593
4084991817,0cyclictest1388-21lspci09:43:441
78822170,0sleep30-21swapper/310:43:343
236092170,0sleep00-21swapper/009:59:540
59592160,2sleep3409699cyclictest11:07:573
4084991615,0cyclictest26937-21kworker/1:211:58:491
319542160,1sleep131956-21sshd10:14:331
296282160,1sleep2311rcuc/211:12:412
206192160,0sleep00-21swapper/012:12:150
4084991513,1cyclictest8722-21kworker/1:011:34:231
149132150,1sleep21-21systemd12:33:442
59542140,0sleep11-21systemd10:43:241
4084991412,1cyclictest28985-21kworker/1:111:27:471
407899140,13cyclictest17588-21sshd12:17:300
303652140,0sleep3391rcuc/312:37:453
26442140,1sleep1241ktimersoftd/112:29:581
261622140,1sleep326164-21lspci11:26:043
257432140,0sleep00-21swapper/010:17:160
214212140,1sleep2311rcuc/209:26:312
206032140,1sleep020600-21lspci11:39:230
189962140,1sleep018995-21bash10:44:310
127422140,0sleep00-21swapper/009:30:300
104842140,0sleep30-21swapper/311:55:003
102712140,0sleep10-21swapper/111:08:201
4096991311,1cyclictest0-21swapper/311:56:423
4090991312,0cyclictest0-21swapper/209:55:252
409099130,1cyclictest29274-21grep09:53:352
409099130,12cyclictest7406-21bash10:59:552
4084991312,0cyclictest31870-21lspci12:07:441
4084991312,0cyclictest1939-21kworker/1:110:31:591
408499130,1cyclictest8036-21sshd09:58:111
408499130,1cyclictest18145-21sshd09:52:211
4078991311,1cyclictest32563-21sshd10:29:190
104602130,1sleep0101ktimersoftd/011:57:410
409699120,1cyclictest12428-21lspci12:17:023
409099120,11cyclictest0-21swapper/211:47:252
409099120,11cyclictest0-21swapper/210:05:352
4084991211,0cyclictest29860-21kworker/1:010:59:531
4084991210,1cyclictest5744-21lspci10:15:101
4084991210,1cyclictest0-21swapper/111:13:411
408499120,1cyclictest674-21dbus-daemon12:33:511
408499120,1cyclictest131rcu_sched12:02:411
408499120,1cyclictest0-21swapper/111:40:311
408499120,11cyclictest1-21systemd12:18:511
4078991210,1cyclictest0-21swapper/011:28:590
407899120,11cyclictest0-21swapper/011:44:390
409699119,1cyclictest75750irq/24-eno1-rx-12:13:523
409699119,1cyclictest1538-21sshd11:04:523
4096991110,0cyclictest0-21swapper/311:22:123
409699110,10cyclictest0-21swapper/310:46:123
409099119,1cyclictest21069-21id10:39:152
409099119,1cyclictest21069-21id10:39:152
409099119,1cyclictest0-21swapper/212:35:352
4090991110,0cyclictest0-21swapper/211:55:052
4090991110,0cyclictest0-21swapper/209:44:252
409099110,10cyclictest20575-21lspci11:17:252
409099110,0cyclictest0-21swapper/208:10:152
408499119,1cyclictest25-21ksoftirqd/111:36:331
408499119,1cyclictest19062-21kworker/1:209:10:311
408499119,1cyclictest1174-21systemd-cgroups11:24:011
408499119,1cyclictest0-21swapper/110:36:011
408499119,1cyclictest0-21swapper/110:36:011
408499110,10cyclictest0-21swapper/109:30:511
4078991110,0cyclictest0-21swapper/011:01:090
407899110,1cyclictest0-21swapper/011:12:190
409699109,0cyclictest0-21swapper/312:26:323
409699108,1cyclictest0-21swapper/310:50:023
409699107,2cyclictest660-21avahi-daemon10:04:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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