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2025-12-17 - 15:33
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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 all highest latencies:
System rackeslot2.osadl.org (updated Wed Dec 17, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
377748321520,2sleep30-21swapper/311:53:423
3430329992421,2cyclictest3686674-21tr10:40:010
34889592210,3sleep20-21swapper/207:58:382
3430330992118,2cyclictest3480935-21cron07:50:001
3430331992018,1cyclictest0-21swapper/212:40:012
3430330992017,2cyclictest3542087-21grep08:40:011
3430329992017,2cyclictest3808327-21grep12:20:020
3430329992017,2cyclictest0-21swapper/012:15:010
343033199191,7cyclictest0-21swapper/209:30:012
3430330991916,2cyclictest3650523-21latency_hist10:10:001
3430330991916,2cyclictest0-21swapper/109:15:021
3430329991916,2cyclictest3759340-21idleruntime-cro11:40:000
3430329991916,2cyclictest1290-21dbus-daemon07:50:010
3430331991816,1cyclictest0-21swapper/211:25:022
3430331991816,1cyclictest0-21swapper/207:45:022
3430331991815,1cyclictest0-21swapper/209:15:012
3430330991815,2cyclictest3662553-21sh10:20:001
3430330991815,2cyclictest3644510-21latency_hist10:05:001
3430329991815,2cyclictest3511707-21latency_hist08:15:020
2902298180,3rtkit-daemon3430327-21cyclictest11:02:390
3430331991715,1cyclictest0-21swapper/212:20:012
3430331991715,1cyclictest0-21swapper/212:15:012
3430331991715,1cyclictest0-21swapper/210:28:362
3430331991714,1cyclictest0-21swapper/211:14:552
3430331991714,1cyclictest0-21swapper/210:40:012
3430331991714,1cyclictest0-21swapper/209:50:012
3430331991714,1cyclictest0-21swapper/207:15:002
3430330991714,2cyclictest3826382-21sh12:35:001
3430330991714,2cyclictest3523671-21munin-plugin-st08:25:011
3430330991714,2cyclictest1288-1atopacctd12:23:361
3430330991713,3cyclictest1288-1atopacctd07:38:341
3430329991714,2cyclictest3572242-21cut09:05:020
3430329991714,2cyclictest3523662-21latency_hist08:25:010
2649091170,2phc2sys0-21swapper/308:38:443
2649091170,1phc2sys0-21swapper/311:33:353
343033199166,1cyclictest0-21swapper/207:30:402
343033199161,5cyclictest0-21swapper/207:20:012
3430331991614,1cyclictest0-21swapper/209:35:012
3430331991613,1cyclictest0-21swapper/211:05:002
343033099161,9cyclictest3437675-21cat07:15:021
3430330991613,2cyclictest3765664-21systemd-run11:45:001
3430330991613,2cyclictest3765664-21systemd-run11:45:001
3430330991613,2cyclictest3673986-21proc_pri10:28:391
3430330991613,2cyclictest3632277-21unixbench_singl09:53:431
3430330991613,2cyclictest3572689-21aten_repower_po09:08:331
3430330991613,2cyclictest3548540-21aten_repower_cu08:48:321
3430330991612,3cyclictest3686660-21ls10:40:011
3430330991610,2cyclictest134050irq/121-eno110:21:301
343033099160,8cyclictest3566641-21aten2.4-expect09:03:311
3430329991613,2cyclictest3795780-21cut12:10:010
3430329991613,2cyclictest3771839-21sh11:50:010
3430329991613,2cyclictest3737032-21kthreadcore11:23:370
3430329991613,2cyclictest3638616-21kworker/u16:1-events_power_efficient10:05:010
3430329991613,2cyclictest3609565-21fschecks_time09:38:340
3430329991613,2cyclictest3542143-21cut08:40:020
3430329991613,2cyclictest3493073-21apt-key08:00:000
3430329991613,2cyclictest3450856-21latency_hist07:25:000
3430329991613,2cyclictest3436312-21sh07:15:000
3430329991613,2cyclictest1326-21systemd-logind10:45:020
3430329991612,3cyclictest1327-21in:imuxsock09:00:010
2649091160,2phc2sys0-21swapper/308:58:403
343033199151,6cyclictest0-21swapper/212:00:012
3430331991513,1cyclictest0-21swapper/212:10:022
3430331991513,1cyclictest0-21swapper/210:20:012
3430331991513,1cyclictest0-21swapper/209:10:012
3430331991513,1cyclictest0-21swapper/209:00:012
3430331991512,1cyclictest0-21swapper/210:43:332
3430330991513,1cyclictest0-21swapper/108:55:001
3430330991512,2cyclictest3790352-21aten_repower_cu12:08:311
3430330991512,2cyclictest3680720-21latency_hist10:35:011
3430330991512,2cyclictest3652282-21irqrtprio10:13:371
3430330991512,2cyclictest3652282-21irqrtprio10:13:371
3430330991512,2cyclictest3619665-21needreboot09:43:391
3430330991512,2cyclictest3561160-21cut08:58:351
3430330991512,2cyclictest3510254-21kthreadcore08:13:381
3430330991512,2cyclictest0-21swapper/111:10:011
3430330991511,3cyclictest3807818-21unixbench-2d12:18:411
3430330991511,3cyclictest3759331-21sh11:40:001
343033099150,6cyclictest3747769-21sshd11:31:551
3430329991512,2cyclictest3826380-21latency_hist12:35:010
3430329991512,2cyclictest3670116-21sort10:28:340
3430329991512,2cyclictest3585600-21gltestperf09:18:330
3430329991512,2cyclictest3577045-21kthreadcore09:08:400
3430329991512,2cyclictest3454657-21kthreadcore07:28:380
3430329991512,2cyclictest1288-1atopacctd10:50:300
3430329991511,1cyclictest501rcuop/207:51:180
2649091150,1phc2sys0-21swapper/312:03:383
3430331991411,1cyclictest0-21swapper/212:33:382
3430331991411,1cyclictest0-21swapper/211:48:382
3430331991411,1cyclictest0-21swapper/211:33:382
3430331991411,1cyclictest0-21swapper/211:28:332
3430331991411,1cyclictest0-21swapper/210:55:002
3430331991411,1cyclictest0-21swapper/210:23:382
3430331991411,1cyclictest0-21swapper/210:15:002
3430331991411,1cyclictest0-21swapper/210:15:002
3430331991411,1cyclictest0-21swapper/209:53:372
3430331991411,1cyclictest0-21swapper/209:23:382
3430331991411,1cyclictest0-21swapper/209:23:382
3430331991411,1cyclictest0-21swapper/209:20:002
3430331991411,1cyclictest0-21swapper/209:03:292
3430331991411,1cyclictest0-21swapper/208:53:422
3430331991411,1cyclictest0-21swapper/208:50:002
3430331991411,1cyclictest0-21swapper/208:38:372
3430331991411,1cyclictest0-21swapper/208:13:352
3430331991411,1cyclictest0-21swapper/208:08:352
3430331991411,1cyclictest0-21swapper/208:03:422
343033099146,6cyclictest1-21systemd11:55:011
343033099145,2cyclictest491rcuog/209:30:001
343033099145,1cyclictest134050irq/121-eno111:18:321
343033099141,8cyclictest3710050-21head10:58:421
3430330991411,2cyclictest3827707-21gltestperf12:38:341
3430330991411,2cyclictest3815103-21aten2.4-expect12:28:321
3430330991411,2cyclictest3784378-21aten_repower_en12:03:301
3430330991411,2cyclictest3745654-21kthreadcore11:28:371
3430330991411,2cyclictest3694556-21kernelversion10:48:351
3430330991411,2cyclictest3621148-21aten_repower_vo09:48:311
3430330991411,2cyclictest3592220-21kthreadcore09:23:381
3430330991411,2cyclictest3592220-21kthreadcore09:23:381
3430330991411,2cyclictest3517092-21switchtime08:18:431
3430330991411,2cyclictest3495836-21kthreadcore08:03:371
3430330991411,2cyclictest3481550-21aten_repower_cu07:53:301
3430330991411,2cyclictest3471451-21kthreadcore07:43:371
3430330991411,2cyclictest3453792-21kthreadcore07:28:371
3430330991411,2cyclictest3447076-21kthreadcore07:23:371
3430330991411,2cyclictest3438250-21kthreadcore07:15:031
3430330991411,2cyclictest3430327-21cyclictest11:13:311
3430330991411,2cyclictest0-21swapper/109:20:001
3430330991410,3cyclictest3738383-21kthreadcore11:23:381
3430330991410,3cyclictest3501421-21kthreadcore08:08:361
3430330991410,3cyclictest3488847-21kthreadcore07:58:391
343033099140,9cyclictest3691893-21ls10:43:401
343032999146,7cyclictest3762821-21tr11:43:360
343032999146,7cyclictest3762821-21tr11:43:360
343032999144,4cyclictest3602770-21sshd09:31:290
343032999141,7cyclictest3710963-21munin-run11:00:020
3430329991412,1cyclictest0-21swapper/009:48:320
3430329991411,2cyclictest3828016-21irqcore12:38:350
3430329991411,2cyclictest3819712-21pmu-power12:28:410
3430329991411,2cyclictest3744650-21kthreadcore11:28:370
3430329991411,2cyclictest3729026-21latency_hist11:15:010
3430329991411,2cyclictest3678422-21kthreadcore10:33:380
3430329991411,2cyclictest3638236-21tail09:58:430
3430329991411,2cyclictest3631874-21rt-features09:53:400
3430329991411,2cyclictest3616119-21irqrtprio09:43:360
3430329991411,2cyclictest3543370-21cut08:43:350
3430329991411,2cyclictest3531726-21kthreadcore08:33:390
3430329991411,2cyclictest3495169-21kthreadcore08:03:370
3430329991411,2cyclictest3458748-21kthreadcore07:33:360
3430329991411,2cyclictest3442316-21kthreadcore07:18:370
3430329991411,2cyclictest3430327-21cyclictest07:38:340
3430329991411,2cyclictest1290-21dbus-daemon12:00:010
3430329991411,2cyclictest1288-1atopacctd11:53:390
3430329991411,2cyclictest0-21swapper/009:15:010
3430329991410,3cyclictest3696016-21kthreadcore10:48:370
3430329991410,3cyclictest3600412-21kthreadcore09:28:390
2902298140,1rtkit-daemon0-21swapper/112:10:341
2649091140,2phc2sys0-21swapper/309:04:563
2649091140,2phc2sys0-21swapper/307:13:363
3430331991311,1cyclictest0-21swapper/212:25:002
3430331991311,1cyclictest0-21swapper/210:05:012
3430331991311,1cyclictest0-21swapper/208:18:312
3430331991310,1cyclictest0-21swapper/212:03:362
3430331991310,1cyclictest0-21swapper/211:52:292
3430331991310,1cyclictest0-21swapper/211:38:372
3430331991310,1cyclictest0-21swapper/211:08:362
3430331991310,1cyclictest0-21swapper/210:58:452
3430331991310,1cyclictest0-21swapper/210:48:352
3430331991310,1cyclictest0-21swapper/209:58:402
3430331991310,1cyclictest0-21swapper/209:38:302
3430331991310,1cyclictest0-21swapper/208:33:332
3430331991310,1cyclictest0-21swapper/208:28:372
3430331991310,1cyclictest0-21swapper/207:53:332
3430331991310,1cyclictest0-21swapper/207:38:332
3430331991310,1cyclictest0-21swapper/207:28:372
3430331991310,1cyclictest0-21swapper/207:23:322
343033099136,2cyclictest134050irq/121-eno109:38:371
343033099134,4cyclictest3524306-21aten2.4-expect08:28:321
3430330991310,2cyclictest3771894-21systemd-run11:50:021
3430330991310,2cyclictest3699366-21aten_repower_fr10:53:311
3430330991310,2cyclictest3635083-21kthreadcore09:58:371
3430330991310,2cyclictest3545464-21kthreadcore08:43:371
3430330991310,2cyclictest1327-21in:imuxsock09:31:301
343032999132,5cyclictest3524307-21head08:28:320
343032999131,7cyclictest3789943-21munin-run12:05:020
343032999131,7cyclictest3499850-21sshd08:08:300
343032999131,7cyclictest1290-21dbus-daemon08:20:010
3430329991310,2cyclictest3811670-21kthreadcore12:23:360
3430329991310,2cyclictest3733868-21kthreadcore11:18:390
3430329991310,2cyclictest3663688-21sh10:23:320
3430329991310,2cyclictest3652099-21irqcore10:13:360
3430329991310,2cyclictest3652099-21irqcore10:13:360
3430329991310,2cyclictest3650280-21unixbench-2d10:08:430
3430329991310,2cyclictest3554608-21aten_repower_fr08:53:320
3430329991310,2cyclictest3553587-21timerandwakeup08:48:440
3430329991310,2cyclictest3470604-21irqcore07:43:360
343032999130,8cyclictest3750794-21kthreadcore11:33:380
2649091130,1phc2sys0-21swapper/312:08:353
343033199129,1cyclictest0-21swapper/211:40:382
343033199129,1cyclictest0-21swapper/211:40:382
343033199129,1cyclictest0-21swapper/208:42:282
3430331991210,1cyclictest0-21swapper/212:28:392
3430331991210,1cyclictest0-21swapper/210:08:352
3430331991210,1cyclictest0-21swapper/209:43:342
343033099129,2cyclictest3714065-21kthreadcore11:03:381
343033099129,2cyclictest3530535-21aten_repower_po08:33:331
343033099124,6cyclictest3779424-21irqrtprio11:58:361
343033099124,1cyclictest2902298rtkit-daemon07:30:531
343032999129,2cyclictest3430500-21sh07:10:020
343032999129,2cyclictest3430500-21sh07:10:020
343032999127,1cyclictest0-21swapper/010:18:300
343032999121,6cyclictest0-21swapper/011:05:290
3430329991210,1cyclictest3594429-21kthreadcore09:23:390
3430329991210,1cyclictest3594429-21kthreadcore09:23:390
2649091120,2phc2sys0-21swapper/312:31:003
2649091120,2phc2sys0-21swapper/308:25:013
343033199119,1cyclictest0-21swapper/211:15:042
343033199119,1cyclictest0-21swapper/210:31:002
343033199119,1cyclictest0-21swapper/207:45:072
343033199118,1cyclictest0-21swapper/208:21:592
2649091113,2phc2sys0-21swapper/312:13:363
2649091113,1phc2sys0-21swapper/312:38:363
2649091110,2phc2sys0-21swapper/312:23:293
2649091110,2phc2sys0-21swapper/309:58:303
2649091110,2phc2sys0-21swapper/308:53:313
2649091110,1phc2sys0-21swapper/312:27:383
2649091110,1phc2sys0-21swapper/311:41:013
2649091110,1phc2sys0-21swapper/311:41:013
2649091110,1phc2sys0-21swapper/309:17:313
2649091110,1phc2sys0-21swapper/308:32:313
2649091110,1phc2sys0-21swapper/308:16:033
343033199107,1cyclictest0-21swapper/207:10:012
343033199107,1cyclictest0-21swapper/207:10:012
2649091101,6phc2sys3480892-21chrt07:49:293
2649091101,2phc2sys0-21swapper/310:55:013
2649091101,1phc2sys0-21swapper/309:33:383
2649091100,2phc2sys0-21swapper/308:13:353
2649091100,2phc2sys0-21swapper/307:31:023
2649091100,1phc2sys0-21swapper/311:25:303
2649091100,1phc2sys0-21swapper/311:08:593
2649091100,1phc2sys0-21swapper/310:43:063
2649091100,1phc2sys0-21swapper/310:11:293
2649091100,1phc2sys0-21swapper/310:11:293
2649091100,1phc2sys0-21swapper/309:51:133
2649091100,1phc2sys0-21swapper/307:16:533
34303309993,4cyclictest1-21systemd07:10:011
34303309993,4cyclictest1-21systemd07:10:011
264909191,2phc2sys0-21swapper/311:48:423
264909191,2phc2sys0-21swapper/311:03:343
264909191,2phc2sys0-21swapper/309:40:023
264909191,1phc2sys0-21swapper/307:53:353
264909190,2phc2sys0-21swapper/311:18:373
264909190,2phc2sys0-21swapper/310:38:303
264909190,2phc2sys0-21swapper/310:08:363
264909190,2phc2sys0-21swapper/310:03:353
264909190,2phc2sys0-21swapper/309:43:323
264909190,2phc2sys0-21swapper/309:28:373
264909190,2phc2sys0-21swapper/309:23:323
264909190,2phc2sys0-21swapper/309:23:323
264909190,2phc2sys0-21swapper/309:08:343
264909190,2phc2sys0-21swapper/307:58:443
264909190,2phc2sys0-21swapper/307:28:393
264909190,2phc2sys0-21swapper/307:23:423
264909190,2phc2sys0-21swapper/307:08:433
264909190,2phc2sys0-21swapper/307:08:433
264909190,1phc2sys0-21swapper/311:58:373
264909190,1phc2sys0-21swapper/311:22:173
264909190,1phc2sys0-21swapper/310:28:283
264909190,1phc2sys0-21swapper/310:22:273
264909190,1phc2sys0-21swapper/310:15:363
264909190,1phc2sys0-21swapper/308:48:583
264909182,1phc2sys0-21swapper/311:38:163
264909181,3phc2sys0-21swapper/311:13:313
264909181,2phc2sys0-21swapper/310:55:493
264909181,2phc2sys0-21swapper/310:45:073
264909181,2phc2sys0-21swapper/308:02:213
264909181,1phc2sys0-21swapper/308:42:113
264909180,2phc2sys0-21swapper/309:45:273
264909180,1phc2sys0-21swapper/312:16:443
264909180,1phc2sys0-21swapper/310:33:333
264909180,1phc2sys0-21swapper/309:13:433
264909180,1phc2sys0-21swapper/308:26:293
264909180,1phc2sys0-21swapper/308:07:103
264909180,1phc2sys0-21swapper/307:41:013
264909171,3phc2sys0-21swapper/307:35:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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