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2026-08-02 - 16:34
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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 Sun Aug 02, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
376815521120,1sleep00-21swapper/009:55:480
38150062960,2sleep30-21swapper/310:25:533
3552549992522,1cyclictest0-21swapper/209:20:012
3552547992520,1cyclictest37945802phc2sys-jitter10:10:550
3552547992516,2cyclictest0-21swapper/007:30:570
3552548992413,6cyclictest0-21swapper/110:40:521
3552547992421,2cyclictest1-21systemd11:10:010
3552547992416,7cyclictest3865969-21kthreadcore11:00:530
3552549992320,1cyclictest0-21swapper/212:20:012
3552548992320,2cyclictest3597486-21sh07:45:011
3552548992314,3cyclictest3734480-21kthreadcore09:30:541
3552548992313,3cyclictest0-21swapper/110:30:301
3552547992320,2cyclictest3811263-21apt10:25:000
3552547992312,7cyclictest3713612-21ls09:15:540
3552549992219,1cyclictest0-21swapper/210:40:012
3552548992219,2cyclictest664-21dbus-daemon09:50:011
3552548992219,2cyclictest664-21dbus-daemon09:50:011
3552548992219,2cyclictest3863284-21sendmail11:00:011
3552548992219,2cyclictest3640179-21/usr/sbin/munin08:20:021
3552548992212,3cyclictest0-21swapper/112:40:031
3552548992211,2cyclictest69250irq/121-eno111:15:011
3552547992213,5cyclictest3700828-21latency_hist09:10:020
3552548992118,2cyclictest3781791-21cron10:05:001
3552548992111,3cyclictest3722185-21runrttasks09:22:521
3552548992110,6cyclictest0-21swapper/112:15:351
3552548992110,6cyclictest0-21swapper/110:35:541
355254799216,4cyclictest0-21swapper/012:35:490
3552547992114,6cyclictest1300-21mta-sts-daemon10:16:110
3552547992111,5cyclictest0-21swapper/012:05:510
3552547992110,5cyclictest0-21swapper/009:50:330
3552549992017,1cyclictest0-21swapper/208:10:012
3552548992017,2cyclictest664-21dbus-daemon10:55:021
3552548992017,2cyclictest664-21dbus-daemon09:51:001
3552548992017,2cyclictest664-21dbus-daemon09:35:571
3552548992017,2cyclictest3683660-21fschecks_time08:55:511
3552548992017,2cyclictest3609650-21idleruntime-cro07:55:011
3552548992017,2cyclictest1-21systemd11:05:031
3552548992011,4cyclictest0-21swapper/110:25:571
3552548992010,6cyclictest0-21swapper/112:04:311
355254799209,7cyclictest3989979-21grep12:25:500
355254799209,6cyclictest0-21swapper/010:05:330
3552547992017,2cyclictest3691942-21kthreadcore09:00:530
3552547992017,2cyclictest3641308-21gltestperf08:20:510
3552547992017,2cyclictest3641308-21gltestperf08:20:510
3552547992017,2cyclictest3579256-21cron07:30:010
3552547992016,3cyclictest3684323-21kthreadcore08:55:550
3552547992015,1cyclictest191rcu_preempt12:13:200
36338962190,5sleep03634044-21cat08:15:020
3552549991917,1cyclictest0-21swapper/210:00:022
355254899199,6cyclictest0-21swapper/108:33:541
3552548991916,2cyclictest4003840-21munin-plugin-st12:35:011
3552548991916,2cyclictest3709322-21fschecks_count09:15:471
3552548991916,2cyclictest3560138-21kthreadcore07:15:021
3552548991915,2cyclictest3730497-21sh09:30:021
3552548991912,5cyclictest1-21systemd08:45:011
355254799199,6cyclictest0-21swapper/011:15:530
355254799199,6cyclictest0-21swapper/011:15:530
355254799199,5cyclictest0-21swapper/010:35:490
355254799198,10cyclictest3939021-21grep11:50:530
355254799196,8cyclictest3878604-21basename11:10:310
3552547991916,2cyclictest664-21dbus-daemon09:31:040
3552547991916,2cyclictest3933394-21kthreadcore11:45:530
3552547991916,2cyclictest3844624-21kthreadcore10:45:520
3552547991916,2cyclictest3741012-21kthreadcore09:35:530
3552547991916,2cyclictest3661544-21kthreadcore08:35:540
3552547991916,2cyclictest3623431-21kthreadcore08:05:560
3552547991915,3cyclictest3748154-21kthreadcore09:40:530
3552547991915,3cyclictest3563984-21kthreadcore07:15:530
3552547991914,4cyclictest3919559-21kthreadcore11:35:540
3552547991913,5cyclictest3721771-21runrttasks09:21:350
3552547991912,4cyclictest0-21swapper/011:25:570
3552547991910,5cyclictest3863477-21munin-run11:00:020
3552547991910,5cyclictest3758295-21unixbench-2d09:46:000
3552547991910,5cyclictest3758295-21unixbench-2d09:46:000
39892212180,1sleep20-21swapper/212:25:292
355254999181,9cyclictest0-21swapper/208:50:012
355254999181,8cyclictest0-21swapper/207:20:012
3552549991815,1cyclictest0-21swapper/211:00:012
3552549991815,1cyclictest0-21swapper/210:10:582
3552549991815,1cyclictest0-21swapper/209:28:552
355254899189,2cyclictest0-21swapper/109:55:551
3552548991816,1cyclictest3996204-21apt-config12:30:011
3552548991815,2cyclictest3960507-21sh12:05:471
3552548991815,2cyclictest3942969-21mailstats11:50:591
3552548991815,2cyclictest3848608-21idleruntime-cro10:50:011
3552548991815,2cyclictest3783543-21cut10:05:511
3552548991815,2cyclictest0-21swapper/109:10:011
3552548991812,2cyclictest0-21swapper/110:15:011
3552548991810,2cyclictest191rcu_preempt07:30:571
355254799188,6cyclictest3915485-21latency_hist11:35:020
355254799188,5cyclictest0-21swapper/012:20:020
355254799185,3cyclictest1306-21mta-sts-daemon11:56:340
3552547991815,2cyclictest3823294-21kthreadcore10:30:530
3552547991815,2cyclictest3702709-21kthreadcore09:10:530
3552547991815,2cyclictest3678269-21kthreadcore08:50:520
3552547991815,2cyclictest3672190-21kthreadcore08:45:500
3552547991815,2cyclictest3670522-21latency_hist08:45:010
3552547991815,2cyclictest3647959-21kthreadcore08:25:530
3552547991815,2cyclictest3611300-21kthreadcore07:55:550
3552547991815,2cyclictest3599167-21kthreadcore07:45:520
3552547991815,2cyclictest3586852-21irqrtprio07:35:510
3552547991815,2cyclictest3554999-21kthreadcore07:10:530
3552547991811,6cyclictest0-21swapper/011:42:550
3552547991811,6cyclictest0-21swapper/010:40:510
3240591180,3phc2sys0-21swapper/311:13:243
3240591180,2phc2sys0-21swapper/307:55:513
1157598180,2rtkit-daemon36-21ksoftirqd/111:09:181
3552549991715,1cyclictest0-21swapper/208:00:012
3552549991715,1cyclictest0-21swapper/207:15:032
3552549991714,1cyclictest0-21swapper/212:33:232
3552549991714,1cyclictest0-21swapper/211:40:522
3552549991714,1cyclictest0-21swapper/211:31:102
3552549991714,1cyclictest0-21swapper/211:20:592
3552549991714,1cyclictest0-21swapper/210:43:242
3552549991714,1cyclictest0-21swapper/210:35:012
3552549991714,1cyclictest0-21swapper/209:40:012
3552549991714,1cyclictest0-21swapper/209:35:012
3552549991714,1cyclictest0-21swapper/209:07:502
3552549991714,1cyclictest0-21swapper/207:45:012
3552549991713,2cyclictest0-21swapper/208:20:552
3552549991713,2cyclictest0-21swapper/208:20:552
3552549991712,2cyclictest0-21swapper/209:10:492
355254899176,3cyclictest0-21swapper/109:13:101
355254899176,2cyclictest69250irq/121-eno111:49:151
3552548991714,2cyclictest3887228-21sort11:15:521
3552548991714,2cyclictest3887228-21sort11:15:521
3552548991714,2cyclictest0-21swapper/110:20:021
3552548991714,2cyclictest0-21swapper/107:20:011
3552548991713,3cyclictest3628751-21cut08:10:481
355254899170,7cyclictest3652345-21perf08:30:001
355254799179,5cyclictest3700818-21diskmemload12:20:470
355254799177,5cyclictest4002120-21sensors12:30:570
355254799175,6cyclictest3952559-21apt-get12:00:310
3552547991714,2cyclictest3895075-21kthreadcore11:20:530
3552547991714,2cyclictest3818422-21sh10:28:530
3552547991714,2cyclictest3724181-21gltestperf09:25:490
3552547991714,2cyclictest3609627-21latency_hist07:55:010
3552547991710,4cyclictest0-21swapper/010:04:120
355254799170,8cyclictest3639078-21ps08:15:550
3240591170,2phc2sys0-21swapper/312:34:413
3240591170,1phc2sys0-21swapper/310:46:163
355254999164,2cyclictest38134432sleep210:25:532
355254999161,8cyclictest0-21swapper/208:10:302
3552549991614,1cyclictest0-21swapper/212:20:542
3552549991614,1cyclictest0-21swapper/212:10:572
3552549991614,1cyclictest0-21swapper/211:05:012
3552549991614,1cyclictest0-21swapper/207:30:032
3552549991613,1cyclictest0-21swapper/211:45:302
3552549991613,1cyclictest0-21swapper/211:36:262
3552549991613,1cyclictest0-21swapper/209:00:012
3552549991613,1cyclictest0-21swapper/208:40:002
3552549991612,2cyclictest0-21swapper/208:55:012
355254899167,1cyclictest69250irq/121-eno111:26:321
3552548991613,2cyclictest3746510-21irqcore09:40:511
3552548991613,2cyclictest3694761-21cron09:05:011
3552548991613,2cyclictest3597822-21/usr/sbin/munin07:45:561
3552548991613,2cyclictest0-21swapper/111:56:001
3552548991613,2cyclictest0-21swapper/108:40:001
3552548991613,2cyclictest0-21swapper/108:05:571
3552548991612,3cyclictest3925874-21kthreadcore11:40:531
3552548991612,3cyclictest3672153-21irqrtprio08:45:491
355254799168,5cyclictest3621900-21unin-run08:05:020
355254799160,6cyclictest3552681-21latency_hist07:10:020
3240591160,2phc2sys0-21swapper/311:44:033
3240591160,2phc2sys0-21swapper/308:40:503
3240591160,2phc2sys0-21swapper/308:20:593
3240591160,2phc2sys0-21swapper/308:20:593
3240591160,2phc2sys0-21swapper/307:25:443
39577242150,2sleep20-21swapper/212:01:002
355254999157,5cyclictest0-21swapper/207:50:532
3552549991512,1cyclictest0-21swapper/212:35:232
3552549991512,1cyclictest0-21swapper/212:05:582
3552549991512,1cyclictest0-21swapper/211:50:522
3552549991512,1cyclictest0-21swapper/211:10:542
3552549991512,1cyclictest0-21swapper/210:16:542
3552549991512,1cyclictest0-21swapper/210:05:502
3552549991512,1cyclictest0-21swapper/209:45:022
3552549991512,1cyclictest0-21swapper/208:40:572
3552549991512,1cyclictest0-21swapper/208:30:012
3552549991511,1cyclictest0-21swapper/209:50:332
355254899158,3cyclictest0-21swapper/107:20:591
355254899154,3cyclictest69250irq/121-eno111:23:131
355254899153,2cyclictest69250irq/121-eno111:35:011
3552548991512,2cyclictest759-1atopacctd11:35:561
3552548991512,2cyclictest3809209-21missed_timers10:20:551
3552548991512,2cyclictest3682835-21latency_hist08:55:021
3552548991512,2cyclictest3616026-21acpi08:00:321
3552548991512,2cyclictest3590320-21latency07:35:541
3552548991512,2cyclictest3574844-21kthreadcore07:25:521
3552548991512,2cyclictest3552545-21cyclictest12:10:541
3552548991511,2cyclictest0-21swapper/107:10:021
355254899150,8cyclictest3984651-21cut12:20:521
355254799158,4cyclictest0-21swapper/010:52:400
3552547991512,2cyclictest3569747-21kthreadcore07:20:540
3552547991512,2cyclictest3552545-21cyclictest07:40:500
3240591151,3phc2sys0-21swapper/310:40:293
3240591150,8phc2sys0-21swapper/307:35:503
3240591150,4phc2sys3759558-21chrt09:49:263
3240591150,4phc2sys3759558-21chrt09:49:263
3240591150,3phc2sys0-21swapper/310:17:103
3240591150,2phc2sys0-21swapper/310:58:413
3240591150,2phc2sys0-21swapper/308:35:023
3240591150,1phc2sys0-21swapper/309:02:353
3552549991412,1cyclictest0-21swapper/211:58:262
3552549991412,1cyclictest0-21swapper/211:25:532
3552549991412,1cyclictest0-21swapper/211:05:492
3552549991412,1cyclictest0-21swapper/210:25:032
3552549991412,1cyclictest0-21swapper/208:15:552
3552549991412,1cyclictest0-21swapper/207:21:002
3552549991411,1cyclictest0-21swapper/210:50:522
3552549991411,1cyclictest0-21swapper/208:00:512
3552549991411,1cyclictest0-21swapper/207:45:512
3552548991410,3cyclictest3640851-21grep08:20:491
3552548991410,3cyclictest3640851-21grep08:20:491
3240591141,2phc2sys0-21swapper/309:34:173
3240591140,3phc2sys0-21swapper/308:25:323
3240591140,2phc2sys0-21swapper/311:23:513
3240591140,1phc2sys0-21swapper/312:35:413
355254999134,4cyclictest0-21swapper/209:20:322
3552549991311,1cyclictest0-21swapper/211:15:532
3552549991311,1cyclictest0-21swapper/211:15:532
3552549991311,1cyclictest0-21swapper/210:49:422
3552549991311,1cyclictest0-21swapper/210:05:022
3552549991311,1cyclictest0-21swapper/207:30:502
3552549991311,1cyclictest0-21swapper/207:10:012
3552549991310,1cyclictest0-21swapper/208:30:532
3552549991310,1cyclictest0-21swapper/207:35:492
355254899139,3cyclictest3613774-21kthreadcore07:55:561
355254799135,6cyclictest3657490-21phc2sys-jitter08:30:570
3240591138,2phc2sys0-21swapper/307:10:483
3240591131,4phc2sys0-21swapper/308:01:523
3240591131,2phc2sys0-21swapper/307:15:313
3240591130,4phc2sys0-21swapper/311:05:243
3240591130,3phc2sys0-21swapper/312:25:313
3240591130,3phc2sys0-21swapper/312:00:543
3240591130,3phc2sys0-21swapper/309:52:153
3240591130,3phc2sys0-21swapper/308:15:303
3240591130,2phc2sys0-21swapper/312:23:223
3240591130,2phc2sys0-21swapper/311:55:093
3240591130,2phc2sys0-21swapper/311:51:403
3240591130,2phc2sys0-21swapper/311:45:193
3240591130,2phc2sys0-21swapper/311:25:233
3240591130,2phc2sys0-21swapper/310:03:063
3240591130,2phc2sys0-21swapper/309:40:223
3552549991210,1cyclictest0-21swapper/209:46:382
3552549991210,1cyclictest0-21swapper/209:46:382
3552549991210,1cyclictest0-21swapper/209:05:012
3240591120,4phc2sys0-21swapper/312:10:313
3240591120,4phc2sys0-21swapper/312:05:083
3240591120,2phc2sys0-21swapper/310:21:303
3240591120,2phc2sys0-21swapper/307:50:173
3240591120,1phc2sys0-21swapper/309:58:453
3240591120,1phc2sys0-21swapper/309:17:413
3240591120,1phc2sys0-21swapper/308:55:453
3240591120,1phc2sys0-21swapper/307:44:483
3240591110,3phc2sys0-21swapper/307:45:413
3240591110,2phc2sys0-21swapper/310:50:323
3240591110,2phc2sys0-21swapper/310:37:213
3240591110,2phc2sys0-21swapper/310:06:553
3240591110,2phc2sys0-21swapper/308:52:413
3240591110,1phc2sys0-21swapper/308:37:063
3240591110,1phc2sys0-21swapper/308:09:093
3240591103,1phc2sys0-21swapper/311:31:283
3240591102,2phc2sys0-21swapper/311:35:133
3240591100,2phc2sys0-21swapper/311:04:033
3240591100,2phc2sys0-21swapper/310:10:523
3240591100,2phc2sys0-21swapper/309:35:533
3240591100,2phc2sys0-21swapper/309:25:033
3240591100,2phc2sys0-21swapper/309:20:343
3240591100,2phc2sys0-21swapper/309:05:313
3240591100,2phc2sys0-21swapper/308:45:483
3240591100,2phc2sys0-21swapper/307:34:583
324059191,2phc2sys0-21swapper/311:15:373
324059191,2phc2sys0-21swapper/311:15:373
324059191,2phc2sys0-21swapper/309:10:313
324059190,2phc2sys0-21swapper/312:15:253
324059190,2phc2sys0-21swapper/310:30:073
324059190,2phc2sys0-21swapper/308:10:493
324059190,2phc2sys0-21swapper/307:20:313
324059190,2phc2sys0-21swapper/307:05:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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