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2026-04-25 - 17:32
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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 Sat Apr 25, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62502590,1sleep3674-21dbus-daemon11:18:433
232782590,0sleep0111rcuc/011:56:250
40712580,0sleep00-21swapper/012:08:520
23852580,0sleep20-21swapper/210:08:582
97772570,1sleep09775-21lspci09:33:230
323962570,0sleep20-21swapper/211:43:132
246292570,0sleep10-21swapper/109:56:511
234252570,1sleep2674-21dbus-daemon09:42:502
280192560,0sleep10-21swapper/112:27:541
210812520,0sleep10-21swapper/111:53:271
85242510,0sleep30-21swapper/311:46:443
230852510,0sleep00-21swapper/011:53:380
303252490,0sleep20-21swapper/210:41:492
189872490,0sleep218984-21bash10:54:472
133552490,0sleep3391rcuc/311:27:403
303232480,0sleep20-21swapper/212:16:472
218282480,0sleep10-21swapper/111:33:591
138582480,2sleep32633399cyclictest10:07:063
52252470,0sleep00-21swapper/009:25:010
256772470,0sleep30-21swapper/309:40:153
188792470,0sleep10-21swapper/109:22:421
134802470,0sleep10-21swapper/110:54:181
68102440,2sleep32633399cyclictest10:45:203
162042430,0sleep30-21swapper/311:53:013
42372420,2sleep22632899cyclictest11:01:492
63512320,10sleep375750irq/24-eno1-rx-09:55:173
133802320,0sleep10-21swapper/109:53:061
261502319,7sleep30-21swapper/307:09:273
259292309,7sleep20-21swapper/207:06:372
248912220,0sleep024890-21bash11:11:550
2441122211,7sleep00-21swapper/007:05:080
2595322110,7sleep10-21swapper/107:06:571
261632200,0sleep1241ktimersoftd/109:11:401
161542200,1sleep116143-21sshd10:32:191
56532180,1sleep02631299cyclictest11:43:440
195562180,0sleep20-21swapper/209:22:472
299962170,0sleep00-21swapper/012:11:030
2632899170,1cyclictest0-21swapper/212:34:282
26312991715,1cyclictest2002-21kworker/0:010:45:290
59162160,0sleep00-21swapper/012:03:220
26312991615,0cyclictest8811-21kworker/0:211:34:000
223132160,1sleep322312-21sshd12:30:133
125142160,1sleep20-21swapper/209:14:012
54902150,1sleep332648-21kworker/3:311:43:423
26312991514,0cyclictest7285-21lspci10:42:380
26312991513,1cyclictest8983-21kworker/0:209:39:260
26312991513,1cyclictest6563-21kworker/0:012:22:120
26312991513,1cyclictest27189-21kworker/0:309:44:180
235682150,1sleep123546-21sshd10:49:381
26312991413,0cyclictest23923-21kworker/0:310:53:490
258132140,0sleep20-21swapper/211:23:122
244262140,0sleep20-21swapper/210:02:242
242652140,0sleep00-21swapper/011:28:380
184902140,1sleep018486-21lspci11:05:460
172522140,0sleep30-21swapper/310:51:473
127352140,0sleep00-21swapper/012:35:060
75232130,0sleep30-21swapper/310:26:003
320912130,0sleep30-21swapper/312:28:173
2633399130,11cyclictest0-21swapper/310:20:563
26312991313,0cyclictest28201-21kworker/0:011:35:440
26312991312,0cyclictest2002-21kworker/0:010:36:190
180602130,0sleep1663-21ModemManager10:15:491
26333991210,1cyclictest7779-21ntp_states07:40:153
2633399120,1cyclictest30081-21nfsd408:35:153
2633399120,1cyclictest0-21swapper/310:04:053
2633399120,11cyclictest674-21dbus-daemon11:58:253
2633399120,11cyclictest0-21swapper/312:17:263
2632899123,1cyclictest33-21ksoftirqd/211:27:562
26328991212,0cyclictest527-40kipmi009:51:182
26328991211,0cyclictest22631-21lspci10:10:372
26328991211,0cyclictest22312-21lspci11:56:202
26328991210,1cyclictest11085-21lspci10:18:022
2632899120,11cyclictest24657-21sshd11:36:592
2632899120,11cyclictest15254-21sshd10:23:592
2632899120,11cyclictest0-21swapper/212:22:182
2631299122,1cyclictest131rcu_sched10:30:110
26312991212,0cyclictest5578-21kworker/0:112:25:400
26312991211,0cyclictest8811-21kworker/0:210:59:200
26312991211,0cyclictest28829-21kworker/0:412:32:570
26312991211,0cyclictest15714-21lspci10:10:080
26312991211,0cyclictest10889-21kworker/0:209:55:030
26312991210,1cyclictest24176-21lspci10:02:220
2633399119,1cyclictest5215-21sshd12:00:263
2633399119,1cyclictest19660-21sshd10:57:363
26333991110,0cyclictest0-21swapper/310:41:153
2633399110,10cyclictest0-21swapper/312:21:453
2632899119,1cyclictest12902-21sshd09:47:282
2632899119,1cyclictest12354-21sshd10:48:392
2632899119,1cyclictest11693-21lspci10:34:462
2632899113,1cyclictest33-21ksoftirqd/211:48:122
26328991110,0cyclictest321ktimersoftd/209:37:152
26328991110,0cyclictest18254-21lspci09:56:182
26328991110,0cyclictest0-21swapper/212:10:282
26328991110,0cyclictest0-21swapper/210:28:282
26328991110,0cyclictest0-21swapper/209:19:392
2632899110,10cyclictest0-21swapper/212:38:482
2631799119,1cyclictest28407-21lspci11:12:141
26317991110,0cyclictest0-21swapper/109:40:441
2631799110,1cyclictest622-13audispd09:48:341
2631799110,1cyclictest0-21swapper/111:22:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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