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2026-03-10 - 15:43
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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 Tue Mar 10, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2572421010,0sleep3401ktimersoftd/311:54:433
78192550,2sleep3540299cyclictest11:48:103
318542530,0sleep40-21swapper/409:54:224
129682530,0sleep20-21swapper/209:35:062
118242520,1sleep0686-21dbus-daemon11:21:000
118242520,1sleep0686-21dbus-daemon11:21:000
272482510,2sleep4540399cyclictest12:09:334
505625025,9sleep70-21swapper/707:04:187
316522490,1sleep231651-21sshd09:41:392
504024827,18sleep00-21swapper/007:04:030
298452480,0sleep50-21swapper/511:34:515
278282480,0sleep10-21swapper/112:18:441
210822480,2sleep3540299cyclictest10:26:413
84832470,1sleep78473-21bash11:28:047
197242470,0sleep10-21swapper/109:19:031
153572470,0sleep215358-21sshd09:57:082
283072460,0sleep70-21swapper/709:48:417
225512460,0sleep30-21swapper/312:05:403
313882450,1sleep031390-21bash11:14:430
271382450,0sleep70-21swapper/712:24:107
271382450,0sleep70-21swapper/712:24:107
246972450,0sleep40-21swapper/412:14:544
144872450,0sleep40-21swapper/410:26:184
45002440,0sleep10-21swapper/111:04:031
150402440,1sleep2492-21systemd-journal11:19:182
150402440,1sleep2492-21systemd-journal11:19:182
63252430,0sleep10-21swapper/111:11:321
513024334,2sleep50-21swapper/507:05:205
260452430,0sleep40-21swapper/411:54:444
24862420,0sleep00-21swapper/008:52:200
178472420,0sleep30-21swapper/310:00:543
513924129,8sleep10-21swapper/107:05:241
511024129,8sleep30-21swapper/307:05:023
504424129,9sleep40-21swapper/407:04:074
304782410,2sleep1540099cyclictest12:02:181
132382410,1sleep2686-21dbus-daemon09:15:042
120292410,0sleep50-21swapper/511:57:335
86302400,1sleep28631-21grep10:02:132
62422400,0sleep20-21swapper/212:02:432
51522400,0sleep30-21swapper/311:04:053
299582400,0sleep10-21swapper/111:27:261
501023926,9sleep60-21swapper/607:03:366
496623928,8sleep20-21swapper/207:03:002
275392390,0sleep30-21swapper/309:15:533
163262380,0sleep10-21swapper/110:11:491
100322380,0sleep10-21swapper/112:15:551
16062370,0sleep00-21swapper/011:31:250
108052370,0sleep20-21swapper/209:20:242
97682360,0sleep40-21swapper/411:06:144
309482360,2sleep0539999cyclictest09:23:190
222082360,0sleep70-21swapper/710:24:537
324052300,0sleep60-21swapper/612:09:526
249522270,0sleep20-21swapper/211:16:132
5400992315,3cyclictest25-21ksoftirqd/112:10:341
5400992112,1cyclictest131rcu_sched12:36:311
5400992015,3cyclictest25-21ksoftirqd/111:53:221
540099200,1cyclictest131rcu_sched09:53:151
5404991917,1cyclictest57-21ksoftirqd/511:50:435
5404991916,1cyclictest57-21ksoftirqd/509:52:155
5403991915,1cyclictest49-21ksoftirqd/412:21:004
5403991913,3cyclictest49-21ksoftirqd/409:27:334
5400991915,3cyclictest25-21ksoftirqd/111:13:181
118382190,0sleep00-21swapper/010:46:160
5404991816,1cyclictest9111-21kworker/5:310:31:485
5404991815,1cyclictest57-21ksoftirqd/511:01:405
5404991811,5cyclictest57-21ksoftirqd/510:02:025
5404991810,3cyclictest57-21ksoftirqd/511:22:225
5403991816,1cyclictest49-21ksoftirqd/411:38:514
5403991816,1cyclictest49-21ksoftirqd/410:55:204
5403991816,1cyclictest49-21ksoftirqd/409:42:384
540399180,1cyclictest131rcu_sched10:02:364
5400991816,1cyclictest25-21ksoftirqd/111:23:241
5400991816,1cyclictest25-21ksoftirqd/111:21:341
5400991816,1cyclictest25-21ksoftirqd/111:21:341
5400991816,1cyclictest25-21ksoftirqd/109:47:301
5400991815,1cyclictest25-21ksoftirqd/111:47:221
5400991815,1cyclictest25-21ksoftirqd/110:22:061
286442180,6sleep428902-21grepconf.sh11:49:244
5412991714,3cyclictest65-21ksoftirqd/610:28:386
540499177,5cyclictest57-21ksoftirqd/511:31:285
5404991715,1cyclictest57-21ksoftirqd/512:28:225
5404991715,1cyclictest57-21ksoftirqd/510:12:455
5404991715,1cyclictest57-21ksoftirqd/509:21:135
5404991714,1cyclictest57-21ksoftirqd/509:39:335
5404991713,3cyclictest492-21systemd-journal10:52:455
540499170,1cyclictest121rcu_preempt10:26:345
5403991715,2cyclictest49-21ksoftirqd/410:35:594
5403991715,2cyclictest49-21ksoftirqd/410:35:594
5403991715,1cyclictest49-21ksoftirqd/411:27:554
5403991715,1cyclictest49-21ksoftirqd/411:17:024
5403991715,1cyclictest49-21ksoftirqd/410:49:344
5403991715,1cyclictest49-21ksoftirqd/410:12:034
5403991715,1cyclictest49-21ksoftirqd/409:57:174
5403991715,1cyclictest49-21ksoftirqd/409:37:144
5403991715,1cyclictest24389-21kworker/4:411:42:084
5403991714,1cyclictest49-21ksoftirqd/411:21:304
5403991714,1cyclictest49-21ksoftirqd/411:21:304
5403991712,4cyclictest49-21ksoftirqd/410:37:574
5400991716,1cyclictest25-21ksoftirqd/110:48:131
5400991716,1cyclictest25-21ksoftirqd/109:28:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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