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2026-05-26 - 20:23
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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 highest latencies:
System rackeslot2.osadl.org (updated Tue May 26, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
362868221680,2sleep30-21swapper/312:00:003
350224521040,3sleep30-21swapper/310:35:073
334240621040,2sleep30-21swapper/308:45:003
35191472840,2sleep10-21swapper/110:49:521
35782342710,1sleep13578233-21ssh11:25:361
36345242360,3sleep13634529-21idleruntime-cro12:05:001
3222784993222,6cyclictest3599564-21sendmail11:40:000
35814312310,2sleep20-21swapper/211:29:572
3222785992723,3cyclictest0-21swapper/112:20:001
3222784992623,2cyclictest3584786-21/usr/sbin/munin11:30:010
3222784992623,2cyclictest3372843-21kthreadcore09:10:010
3222786992523,1cyclictest0-21swapper/209:40:012
3222786992522,2cyclictest0-21swapper/210:10:022
3222785992522,2cyclictest1290-21dbus-daemon11:05:001
3222784992422,1cyclictest0-21swapper/012:15:010
3222786992320,1cyclictest0-21swapper/212:19:572
3222784992320,2cyclictest3659681-21awk12:20:010
3222784992311,5cyclictest0-21swapper/010:45:040
32756772220,2sleep13222774-21cyclictest07:54:531
32756772220,2sleep13222774-21cyclictest07:54:531
3222786992220,1cyclictest0-21swapper/212:25:032
3222786992219,1cyclictest0-21swapper/212:05:002
3222785992219,2cyclictest3669039-21grep12:25:021
3222785992219,2cyclictest3592412-21munin-run11:35:011
3222785992219,2cyclictest3418991-21processes09:40:021
3222785992218,3cyclictest3474713-21gltestperf10:19:551
3222784992219,2cyclictest1-21systemd11:10:020
3222784992215,5cyclictest0-21swapper/011:15:020
3222786992119,1cyclictest0-21swapper/209:22:272
3222785992118,2cyclictest3607282-21needreboot11:45:011
3222785992118,2cyclictest3464129-21phc2sys-jitter10:10:011
3222785992118,2cyclictest3388501-21/usr/sbin/munin09:20:011
3222785992114,2cyclictest134050irq/121-eno112:35:031
322278499211,18cyclictest3471741-21ssh10:15:010
322278699201,8cyclictest0-21swapper/211:20:002
3222786992018,1cyclictest0-21swapper/211:00:002
3222786992018,1cyclictest0-21swapper/210:15:022
3222786992017,1cyclictest0-21swapper/209:50:012
3222786992017,1cyclictest0-21swapper/209:50:012
3222785992017,2cyclictest3880722-21gmain08:25:021
3222785992017,2cyclictest3486874-21/usr/sbin/munin10:25:021
3222785992017,2cyclictest3410027-21kthreadcore09:35:001
3222785992017,2cyclictest3312060-21cat08:20:021
3222785992013,3cyclictest3627686-21kthreadcore12:00:011
322278499208,7cyclictest3683414-21awk12:35:000
322278499205,9cyclictest0-21swapper/011:59:520
3222784992018,1cyclictest3479354-21latency_hist10:20:030
3222784992017,2cyclictest3396001-21sh09:25:000
3222784992017,2cyclictest3286297-21apt-key08:00:000
3222784992016,2cyclictest3255599-21grep07:35:020
3222784992012,4cyclictest1290-21dbus-daemon11:45:000
3222784992010,6cyclictest0-21swapper/011:35:000
3222786991916,1cyclictest0-21swapper/211:35:002
3222786991916,1cyclictest0-21swapper/209:10:002
3222785991916,2cyclictest3641652-21apt-get12:10:001
3222785991916,2cyclictest3622730-21sendmail_mailtr11:55:021
3222785991916,2cyclictest3622730-21sendmail_mailtr11:55:021
3222785991916,2cyclictest3567568-21kthreadcore11:20:001
3222785991916,2cyclictest3372811-21kthreadcore09:10:011
3222785991916,2cyclictest3323953-21phc2sys-jitter08:30:011
3222785991916,2cyclictest3298272-21kthreadcore08:10:011
3222785991916,2cyclictest0-21swapper/109:25:001
3222785991915,3cyclictest3496520-21/usr/sbin/munin10:35:021
322278499198,6cyclictest0-21swapper/010:27:080
3222784991916,2cyclictest3676137-21open_inodes12:30:020
3222784991916,2cyclictest3577461-21/usr/sbin/munin11:25:020
3222784991916,2cyclictest3267674-21latency07:45:010
3222784991916,2cyclictest3267674-21latency07:45:010
3222784991916,1cyclictest0-21swapper/009:40:020
3222784991915,2cyclictest0-21swapper/012:40:030
3222784991911,4cyclictest3455334-21kthreadcore10:05:000
3222786991816,1cyclictest0-21swapper/209:45:002
3222786991815,1cyclictest0-21swapper/211:55:422
3222786991815,1cyclictest0-21swapper/211:15:002
3222786991815,1cyclictest0-21swapper/207:15:012
3222786991813,3cyclictest3360771-21turbostat09:00:002
322278599189,1cyclictest3851703-21mta-sts-daemon09:49:361
322278599189,1cyclictest3851703-21mta-sts-daemon09:49:351
322278599186,3cyclictest3851703-21mta-sts-daemon11:08:561
3222785991815,2cyclictest3449274-21/usr/sbin/munin10:00:021
3222785991815,2cyclictest3288904-21irqrtprio08:05:001
3222785991815,2cyclictest3255709-21processes07:35:021
3222785991815,2cyclictest3236661-21grep07:20:001
3222785991815,2cyclictest3223125-21mailstats07:10:031
3222785991815,2cyclictest0-21swapper/109:55:031
3222785991812,2cyclictest191rcu_preempt10:05:021
3222785991811,3cyclictest3678040-21runrttasks12:33:351
3222785991810,3cyclictest0-21swapper/110:11:071
322278499189,5cyclictest3851702-21mta-sts-daemon12:05:120
322278499188,5cyclictest3614646-21ls11:50:000
322278499188,5cyclictest0-21swapper/010:20:050
322278499187,6cyclictest0-21swapper/009:20:010
3222784991815,2cyclictest3668706-21apt-key12:25:010
3222784991815,2cyclictest3546100-21kthreadcore11:05:000
3222784991815,2cyclictest3329994-21latency08:35:010
3222784991815,2cyclictest3305308-21open_files08:15:010
3222784991815,2cyclictest0-21swapper/009:45:010
3222784991815,2cyclictest0-21swapper/009:25:420
3222784991815,1cyclictest0-21swapper/009:50:020
3222784991815,1cyclictest0-21swapper/009:50:020
3222784991810,7cyclictest0-21swapper/011:55:020
3222784991810,7cyclictest0-21swapper/011:55:020
3222784991810,6cyclictest0-21swapper/009:35:010
2649091180,1phc2sys0-21swapper/311:15:533
2649091180,1phc2sys0-21swapper/309:48:473
2649091180,1phc2sys0-21swapper/309:48:473
3222786991715,1cyclictest0-21swapper/212:10:042
3222786991715,1cyclictest0-21swapper/212:10:032
3222786991714,1cyclictest0-21swapper/208:35:002
3222786991714,1cyclictest0-21swapper/208:15:032
322278599178,3cyclictest0-21swapper/110:45:011
3222785991715,1cyclictest3267933-21systemd-run07:45:021
3222785991715,1cyclictest3267933-21systemd-run07:45:021
3222785991714,2cyclictest3595873-21tr11:39:571
3222785991714,2cyclictest3534871-21sh10:59:541
3222785991714,2cyclictest3508757-21kthreadcore10:40:001
3222785991714,2cyclictest3401520-21kthreadcore09:30:001
3222785991714,2cyclictest3361105-21/usr/sbin/munin09:00:021
3222785991714,2cyclictest3261979-21systemd-run07:40:021
3222785991714,2cyclictest3228940-21munin-node10:52:551
3222785991714,2cyclictest1296-21polkitd09:05:011
3222785991714,2cyclictest1-21systemd08:55:011
3222785991711,2cyclictest3646332-21kworker/u16:2+xprtiod12:25:301
322278499179,6cyclictest0-21swapper/009:55:000
322278499179,4cyclictest3851704-21mta-sts-daemon10:09:550
322278499176,6cyclictest0-21swapper/010:59:560
3222784991714,2cyclictest3569616-21systemd-run11:20:000
3222784991714,2cyclictest3516247-21sh10:45:000
3222784991714,2cyclictest3509184-21missed_timers10:40:010
3222784991714,2cyclictest3380760-21missed_timers09:15:010
3222784991714,2cyclictest3323933-21phc2sys08:30:000
3222784991714,2cyclictest3311606-21sendmail08:20:000
3222784991714,2cyclictest3289012-21irqrtprio08:05:010
3222784991714,2cyclictest3229516-21kernelversion07:15:020
3222784991714,2cyclictest0-21swapper/010:35:020
3222784991713,2cyclictest3298852-21kthreadcore08:10:010
3222784991713,2cyclictest0-21swapper/010:55:020
322278499170,15cyclictest3273834-21dump-pmu-power07:49:590
2649091170,2phc2sys0-21swapper/312:23:383
3222786991614,1cyclictest0-21swapper/211:35:052
3222786991614,1cyclictest0-21swapper/211:25:012
3222786991613,1cyclictest0-21swapper/210:50:002
3222786991613,1cyclictest0-21swapper/210:25:032
3222786991613,1cyclictest0-21swapper/210:20:012
3222786991613,1cyclictest0-21swapper/209:35:002
3222786991613,1cyclictest0-21swapper/209:05:012
3222786991613,1cyclictest0-21swapper/208:55:022
3222786991613,1cyclictest0-21swapper/208:50:012
3222786991613,1cyclictest0-21swapper/208:10:022
3222786991613,1cyclictest0-21swapper/208:04:562
3222786991613,1cyclictest0-21swapper/208:00:002
3222786991611,2cyclictest0-21swapper/211:54:392
3222786991611,2cyclictest0-21swapper/211:54:392
322278599169,3cyclictest3331383-21tail08:39:521
322278599166,6cyclictest36-21ksoftirqd/108:15:001
322278599166,3cyclictest501rcuop/209:40:351
3222785991613,2cyclictest3653026-21systemd12:15:011
3222785991613,2cyclictest3609337-21runrttasks11:48:431
3222785991613,2cyclictest3561205-21apt-key11:15:001
3222785991613,2cyclictest3327970-21kthreadcore08:35:011
3222785991613,2cyclictest3228940-21munin-node08:48:531
3222785991613,2cyclictest1326-21systemd-logind07:30:011
3222785991612,3cyclictest3226951-21runrttasks07:14:581
322278499165,6cyclictest0-21swapper/012:04:590
3222784991613,2cyclictest3361357-21ptp4l09:00:030
3222784991613,2cyclictest3237123-21phc2sys-jitter07:20:020
3222784991611,4cyclictest3317582-21systemd-run08:25:000
2649091161,1phc2sys0-21swapper/312:34:453
2649091160,2phc2sys0-21swapper/309:41:243
2649091160,2phc2sys0-21swapper/309:17:583
322278699151,8cyclictest0-21swapper/209:19:512
3222786991513,1cyclictest0-21swapper/212:25:022
3222786991513,1cyclictest0-21swapper/211:05:062
3222786991513,1cyclictest0-21swapper/211:05:012
3222786991513,1cyclictest0-21swapper/209:55:032
3222786991513,1cyclictest0-21swapper/209:15:022
3222786991512,1cyclictest0-21swapper/212:38:082
3222786991512,1cyclictest0-21swapper/210:40:012
3222786991512,1cyclictest0-21swapper/209:54:552
3222786991512,1cyclictest0-21swapper/208:29:592
3222786991512,1cyclictest0-21swapper/207:49:562
3222786991512,1cyclictest0-21swapper/207:34:562
3222786991511,2cyclictest0-21swapper/210:41:342
322278599153,3cyclictest3851703-21mta-sts-daemon07:48:301
3222785991512,2cyclictest3494096-21open_files10:30:011
3222785991512,2cyclictest3286284-21grep08:00:001
3222785991511,2cyclictest351ktimers/107:25:011
322278499155,6cyclictest0-21swapper/007:39:490
3222784991512,2cyclictest3357102-21cut08:59:570
3222784991512,2cyclictest3275779-21cut07:54:540
3222784991512,2cyclictest3275779-21cut07:54:540
3222784991512,2cyclictest3238380-21cpuspeed_turbos07:24:530
3222784991512,2cyclictest0-21swapper/009:59:520
2649091150,2phc2sys0-21swapper/311:02:083
3222786991412,1cyclictest0-21swapper/210:34:562
3222786991412,1cyclictest0-21swapper/208:45:012
3222786991412,1cyclictest0-21swapper/208:40:012
3222786991411,1cyclictest0-21swapper/212:32:212
3222786991411,1cyclictest0-21swapper/209:27:242
3222786991411,1cyclictest0-21swapper/207:44:562
3222786991411,1cyclictest0-21swapper/207:44:562
3222786991410,2cyclictest0-21swapper/211:47:382
322278599142,5cyclictest3516735-21kworker/u16:4-events_power_efficient11:23:081
3222785991411,2cyclictest3851705-21mta-sts-daemon09:10:491
3222785991411,2cyclictest3827634-1atopacctd08:44:581
322278499141,6cyclictest1326-21systemd-logind08:40:010
3222784991411,2cyclictest3349837-21/usr/sbin/munin08:54:510
3222784991411,2cyclictest3246940-21kthreadcore07:29:590
3222784991410,3cyclictest3345972-21kthreadcore08:49:580
2649091149,2phc2sys0-21swapper/309:00:023
2649091140,2phc2sys0-21swapper/312:00:113
2649091140,2phc2sys0-21swapper/311:33:293
322278699139,2cyclictest0-21swapper/210:51:592
322278699139,2cyclictest0-21swapper/208:23:032
322278699138,2cyclictest0-21swapper/210:00:112
3222786991311,1cyclictest0-21swapper/210:20:072
3222786991311,1cyclictest0-21swapper/208:14:522
3222786991311,1cyclictest0-21swapper/207:55:012
3222786991311,1cyclictest0-21swapper/207:55:012
3222786991311,1cyclictest0-21swapper/207:25:022
3222784991310,2cyclictest3342548-21systemd-run08:45:010
3222784991310,2cyclictest1426-21gdbus07:10:010
2649091131,5phc2sys0-21swapper/312:29:513
2649091131,2phc2sys0-21swapper/312:08:323
2649091130,3phc2sys0-21swapper/310:50:073
2649091130,3phc2sys0-21swapper/308:51:553
2649091130,2phc2sys0-21swapper/312:17:383
2649091130,2phc2sys0-21swapper/311:51:573
2649091130,2phc2sys0-21swapper/311:51:573
2649091130,2phc2sys0-21swapper/311:41:553
2649091130,2phc2sys0-21swapper/311:37:383
2649091130,2phc2sys0-21swapper/311:28:363
2649091130,2phc2sys0-21swapper/311:14:213
2649091130,2phc2sys0-21swapper/310:55:483
2649091130,2phc2sys0-21swapper/310:13:243
2649091130,2phc2sys0-21swapper/309:57:213
2649091130,2phc2sys0-21swapper/309:25:023
2649091130,1phc2sys0-21swapper/310:27:323
322278699122,4cyclictest0-21swapper/211:44:512
3222786991210,1cyclictest0-21swapper/207:35:022
3222786991210,1cyclictest0-21swapper/207:25:042
3222786991210,1cyclictest0-21swapper/207:20:022
2649091121,3phc2sys0-21swapper/308:34:523
2649091121,2phc2sys0-21swapper/309:25:063
2649091121,2phc2sys0-21swapper/309:04:513
2649091120,1phc2sys0-21swapper/312:35:573
2649091120,1phc2sys0-21swapper/311:46:253
33308592110,2sleep30-21swapper/308:35:073
322278699119,1cyclictest0-21swapper/207:10:022
2649091113,2phc2sys0-21swapper/309:39:453
2649091113,1phc2sys0-21swapper/310:34:013
2649091111,4phc2sys0-21swapper/307:34:513
2649091111,2phc2sys0-21swapper/311:21:423
2649091110,2phc2sys0-21swapper/309:51:253
2649091110,2phc2sys0-21swapper/309:10:083
2649091110,2phc2sys0-21swapper/309:09:553
2649091110,2phc2sys0-21swapper/308:09:593
2649091110,2phc2sys0-21swapper/307:27:393
2649091110,1phc2sys0-21swapper/310:17:163
2649091110,1phc2sys0-21swapper/307:22:543
2649091102,2phc2sys0-21swapper/310:05:543
2649091101,3phc2sys0-21swapper/310:20:043
2649091101,2phc2sys0-21swapper/312:14:103
2649091101,2phc2sys0-21swapper/310:45:543
2649091101,2phc2sys0-21swapper/308:24:533
2649091100,5phc2sys0-21swapper/307:39:503
2649091100,2phc2sys0-21swapper/309:31:353
2649091100,2phc2sys0-21swapper/308:29:513
2649091100,2phc2sys0-21swapper/308:20:003
2649091100,2phc2sys0-21swapper/308:14:553
2649091100,2phc2sys0-21swapper/307:19:553
2649091100,1phc2sys0-21swapper/307:59:363
264909191,2phc2sys0-21swapper/310:01:013
264909191,2phc2sys0-21swapper/307:44:273
264909191,2phc2sys0-21swapper/307:44:263
264909190,2phc2sys0-21swapper/311:05:023
264909190,2phc2sys0-21swapper/310:40:063
264909190,2phc2sys0-21swapper/308:04:553
264909190,2phc2sys0-21swapper/307:50:033
264909190,2phc2sys0-21swapper/307:50:033
264909190,2phc2sys0-21swapper/307:45:063
264909180,3phc2sys0-21swapper/308:45:053
264909180,2phc2sys0-21swapper/307:05:033
264909180,1phc2sys0-21swapper/307:10:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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