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2026-06-25 - 08:28
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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 Thu Jun 25, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
846699135134,1cyclictest1844-21nfsd00:27:371
8492997977,1cyclictest49-21ksoftirqd/400:27:374
8492997839,30cyclictest1-21systemd00:27:374
849999770,76cyclictest14496-21kworker/5:600:27:375
315882700,1sleep09-21ksoftirqd/022:41:220
88302560,0sleep70-21swapper/723:27:597
86232560,1sleep58552-21sshd21:32:475
224872500,0sleep00-21swapper/023:15:180
224872500,0sleep00-21swapper/023:15:180
39212490,1sleep03916-21systemd23:17:580
155662490,0sleep70-21swapper/722:32:487
826424823,8sleep20-21swapper/219:07:122
816224826,8sleep30-21swapper/319:05:443
36962480,1sleep63689-21bash22:24:226
255502480,0sleep20-21swapper/222:25:462
279142470,1sleep027913-21grepconf.sh00:13:330
224132470,0sleep10-21swapper/122:42:431
92512460,0sleep69249-21systemd-cgroups21:32:486
815924624,8sleep00-21swapper/019:05:410
208132460,0sleep10-21swapper/122:19:371
208132460,0sleep10-21swapper/122:19:371
17342460,0sleep60-21swapper/622:52:506
167582460,0sleep233-21ksoftirqd/223:34:182
71092450,1sleep67110-21grep21:15:186
245512440,9sleep213550irq/24-ahci[00023:21:212
20372440,0sleep00-21swapper/000:25:260
92922430,0sleep30-21swapper/322:26:433
65532430,0sleep2758-21runrttasks22:16:572
65532430,0sleep2758-21runrttasks22:16:572
158012430,1sleep233-21ksoftirqd/222:04:082
124522430,0sleep40-21swapper/422:15:234
124522430,0sleep40-21swapper/422:15:234
25412420,0sleep00-21swapper/023:27:440
15472420,0sleep60-21swapper/623:58:336
88852410,0sleep00-21swapper/022:09:270
294842410,2sleep1846699cyclictest22:58:211
827924028,9sleep40-21swapper/419:07:224
816924029,8sleep10-21swapper/119:05:501
810724029,8sleep60-21swapper/619:04:596
806324028,8sleep70-21swapper/719:04:207
804824028,8sleep50-21swapper/519:04:105
208022400,1sleep520795-21sshd00:28:285
169672400,0sleep50-21swapper/523:32:295
164952400,0sleep60-21swapper/622:57:386
106732400,0sleep30-21swapper/322:57:193
215542390,0sleep60-21swapper/600:09:226
317082380,0sleep20-21swapper/222:47:012
14822370,0sleep00-21swapper/021:08:560
118862370,0sleep10-21swapper/122:34:261
8507993511,3cyclictest857-21polkitd00:27:376
8457993535,0cyclictest4694-21kworker/0:000:27:380
266892350,0sleep70-21swapper/700:05:557
8475993434,0cyclictest13550irq/24-ahci[00000:27:372
244582340,2sleep5849999cyclictest22:23:415
8515993313,19cyclictest1-21systemd00:27:377
64842330,1sleep76483-21bash23:14:217
64842330,1sleep76483-21bash23:14:217
294052330,0sleep10-21swapper/122:10:401
8507993230,1cyclictest0-21swapper/600:27:376
851599233,19cyclictest0-21swapper/700:27:377
8475992322,1cyclictest13550irq/24-ahci[00000:27:372
260452230,2sleep6850799cyclictest23:19:256
234952210,0sleep70-21swapper/721:16:157
8466992019,1cyclictest27397-21kworker/u16:300:27:371
47522190,3sleep1846699cyclictest22:39:471
304762190,0sleep20-21swapper/222:29:472
289602190,1sleep028961-21grepconf.sh21:20:170
188762190,1sleep218853-21sshd22:34:512
102592190,0sleep30-21swapper/322:15:143
102592190,0sleep30-21swapper/322:15:143
8466991814,1cyclictest25-21ksoftirqd/100:35:061
245022180,0sleep50-21swapper/522:56:095
8466991715,1cyclictest25-21ksoftirqd/123:52:061
8466991715,1cyclictest25-21ksoftirqd/121:39:111
8515991614,1cyclictest73-21ksoftirqd/723:55:257
849999162,11cyclictest0-21swapper/522:01:475
8466991614,1cyclictest25-21ksoftirqd/122:31:451
8466991613,2cyclictest11553-21sshd21:46:321
280282160,0sleep328019-21sshd21:31:573
175712160,0sleep70-21swapper/722:09:587
849999155,3cyclictest0-21swapper/520:14:335
848499158,1cyclictest23262-21sshd23:50:203
8466991513,1cyclictest25-21ksoftirqd/123:22:561
8466991513,1cyclictest25-21ksoftirqd/100:21:131
8466991513,1cyclictest25-21ksoftirqd/100:14:541
44812150,0sleep5561ktimersoftd/523:56:565
24892150,0sleep70-21swapper/721:11:197
246142150,1sleep524612-21systemctl21:10:375
136212150,1sleep013619-21systemctl21:27:140
136212150,1sleep013619-21systemctl21:27:140
115592150,0sleep20-21swapper/221:17:312
8515991412,1cyclictest73-21ksoftirqd/723:02:567
8515991412,1cyclictest73-21ksoftirqd/721:46:087
8515991412,1cyclictest73-21ksoftirqd/721:27:537
8515991412,1cyclictest1050-21sshd00:13:537
8515991411,2cyclictest73-21ksoftirqd/723:37:137
850799140,14cyclictest13243-21kworker/6:321:25:336
850799140,14cyclictest13243-21kworker/6:321:25:336
849999148,5cyclictest18369-21sshd00:09:115
849999146,4cyclictest0-21swapper/521:52:075
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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