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2026-05-18 - 04:04
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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 Mon May 18, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283939911023,40cyclictest1-21systemd23:43:383
2841199890,88cyclictest29783-21kworker/5:323:43:375
2841199850,84cyclictest27708-21sshd23:15:365
28369998035,45cyclictest0-21swapper/023:15:370
35172750,2sleep42840399cyclictest21:33:044
2839399750,74cyclictest27862-21systemd23:15:373
174132750,0sleep50-21swapper/523:28:465
28377997016,18cyclictest464-21systemd-journal23:15:371
28418996015,45cyclictest7483-21kworker/6:023:15:376
2837799606,34cyclictest0-21swapper/123:43:371
236522570,1sleep50-21swapper/521:54:115
29182560,1sleep02868-21sshd00:15:030
81262550,0sleep00-21swapper/000:19:190
2811425443,8sleep30-21swapper/319:07:223
32902500,0sleep1721-21dbus-daemon23:02:151
134082500,2sleep32839399cyclictest00:04:003
2795824926,8sleep00-21swapper/019:05:110
2841899489,38cyclictest0-21swapper/623:43:386
30062470,1sleep32839399cyclictest22:40:153
2792024624,8sleep10-21swapper/119:04:481
242212460,0sleep10-21swapper/123:35:071
120102460,1sleep612011-21grepconf.sh00:03:556
148822450,0sleep70-21swapper/721:59:187
8222440,0sleep40-21swapper/423:47:284
74252440,0sleep30-21swapper/322:34:303
42382440,0sleep20-21swapper/222:38:222
322932440,1sleep233-21ksoftirqd/223:25:392
233292440,0sleep00-21swapper/022:41:320
19022440,0sleep70-21swapper/721:30:597
182902440,0sleep10-21swapper/121:10:181
87472430,1sleep6758-21runrttasks00:23:266
33612430,2sleep02836999cyclictest00:25:040
300572430,0sleep60-21swapper/622:02:136
2836999432,41cyclictest0-21swapper/023:43:370
114512430,0sleep70-21swapper/700:13:427
25052420,0sleep20-21swapper/221:13:402
139842420,0sleep1231rcuc/122:05:051
8192410,0sleep2780-21sshd21:34:462
71012410,1sleep665-21ksoftirqd/622:32:416
57002410,0sleep70-21swapper/721:49:097
2799924128,9sleep40-21swapper/419:05:474
2601624120,18sleep70-21swapper/719:04:147
17622410,0sleep70-21swapper/722:22:337
161042410,1sleep616103-21grepconf.sh22:49:156
326082400,0sleep50-21swapper/521:11:185
30882400,0sleep30-21swapper/323:10:103
2840399400,40cyclictest30170-21kworker/4:223:43:384
28385994038,1cyclictest13550irq/24-ahci[00023:43:382
2793424027,9sleep20-21swapper/219:04:572
256592400,0sleep70-21swapper/719:59:147
170082400,0sleep50-21swapper/521:26:165
327182390,0sleep20-21swapper/221:46:402
327182390,0sleep20-21swapper/221:46:402
28426993938,1cyclictest27683-21kworker/7:623:43:377
2725023926,9sleep60-21swapper/619:04:216
2576723926,9sleep50-21swapper/519:04:125
229742380,1sleep773-21ksoftirqd/721:24:427
28385993737,0cyclictest13550irq/24-ahci[00023:15:372
86832340,2sleep42840399cyclictest00:17:314
7782340,2sleep52841199cyclictest21:52:515
28403993433,1cyclictest9861-21kworker/4:523:15:374
28426993232,0cyclictest3870-21kworker/7:023:15:377
195712320,2sleep72842699cyclictest21:39:487
195712320,2sleep72842699cyclictest21:39:487
2841899254,6cyclictest16819-21grepconf.sh21:45:416
2841899254,6cyclictest16819-21grepconf.sh21:45:416
2841899254,4cyclictest9732-21grepconf.sh21:17:546
2838599249,1cyclictest33-21ksoftirqd/222:22:252
2841899234,5cyclictest18632-21grepconf.sh22:55:176
2841899233,6cyclictest0-21swapper/621:24:116
2841899225,4cyclictest25676-21kill22:05:566
2841899223,5cyclictest709-21systemd-logind21:38:516
2841899220,4cyclictest0-21swapper/623:57:586
2841899214,6cyclictest3922-21systemd22:12:326
2841899214,6cyclictest20200-21id22:27:326
2841899214,5cyclictest8699-21grepconf.sh00:35:266
2841899214,5cyclictest21867-21sshd00:08:216
2841899214,5cyclictest1-21systemd00:33:566
2841899214,5cyclictest0-21swapper/600:15:476
2841899213,6cyclictest10523-21systemd-cgroups21:31:316
2841899213,5cyclictest19839-21systemd-cgroups21:22:396
2841899213,2cyclictest5584-21systemd-cgroups21:51:026
2841899212,7cyclictest0-21swapper/621:41:076
2841899212,7cyclictest0-21swapper/621:41:076
2841899212,3cyclictest1-21systemd23:29:376
2841899212,3cyclictest0-21swapper/623:26:196
64622200,1sleep46440-21bash22:06:444
2841899205,5cyclictest2952-21sd-pam00:25:036
2841899204,6cyclictest11494-21id22:42:586
2841899203,7cyclictest1-21systemd23:20:356
2841899203,6cyclictest8300-21systemd-cgroups23:49:456
2841899203,6cyclictest19511-21sshd23:03:146
2841899203,5cyclictest0-21swapper/621:12:056
2841899202,4cyclictest0-21swapper/622:34:526
2841899200,6cyclictest0-21swapper/600:09:566
2841899200,16cyclictest20258-21systemd-cgroups23:09:166
28385992016,1cyclictest33-21ksoftirqd/223:00:402
28385992012,5cyclictest33-21ksoftirqd/221:54:552
70602190,0sleep00-21swapper/000:05:260
2841899194,7cyclictest1-21systemd23:34:096
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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