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2026-07-09 - 16:39
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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 Thu Jul 09, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299575021550,2sleep30-21swapper/311:30:023
30542362710,1sleep13054234-21ssh12:09:481
28182542690,1sleep02818252-21ssh09:30:030
2639104993316,12cyclictest2938421-21tr10:54:391
2639104992813,11cyclictest2865091-21irqcore10:04:421
2639105992623,1cyclictest0-21swapper/210:33:502
263910499264,13cyclictest2840824-1ssh09:46:081
263910499240,14cyclictest2960107-21sh11:09:141
3153791230,10phc2sys0-21swapper/308:54:363
263910499233,15cyclictest2833238-21taskset09:40:351
263910499231,14cyclictest2944887-21taskset10:57:551
263910499231,13cyclictest2989679-21runrttasks11:29:251
263910499231,13cyclictest2974725-21sh11:18:471
263910499231,13cyclictest2878519-21runrttasks10:13:181
263910499231,13cyclictest2696553-21taskset07:55:531
263910499231,12cyclictest1020-21runrttasks09:10:561
2639104992310,7cyclictest2813731-21kthreadcore09:29:441
263910499230,13cyclictest2826079-21taskset09:36:231
263910499230,12cyclictest2660366-21taskset07:28:401
2639105992219,1cyclictest0-21swapper/211:40:002
263910499229,8cyclictest0-21swapper/112:00:021
263910499227,6cyclictest0-21swapper/112:29:371
263910499225,12cyclictest1020-21runrttasks10:08:201
2639104992213,8cyclictest1-21systemd09:20:021
2639104992213,5cyclictest2970447-21kthreadcore11:14:471
263910499221,13cyclictest2776204-21taskset09:00:291
263910499221,13cyclictest2758328-21taskset08:49:221
263910499221,12cyclictest3092183-21taskset12:35:301
263910499221,12cyclictest3025519-21taskset11:50:211
263910499221,12cyclictest2980926-21taskset11:20:191
263910499221,12cyclictest2980926-21taskset11:20:191
263910499221,12cyclictest2892283-21taskset10:20:121
263910499221,12cyclictest2848023-21taskset09:50:331
263910499221,12cyclictest2782336-21taskset09:06:131
263910499221,12cyclictest2770329-21runrttasks08:57:451
263910499221,12cyclictest2764159-21taskset08:51:311
263910499221,12cyclictest2752013-21taskset08:41:331
263910499221,12cyclictest2739494-21taskset08:30:101
263910499221,12cyclictest2733224-21runrttasks08:25:281
263910499221,12cyclictest2715253-21seq08:13:291
263910499221,12cyclictest2690642-21seq07:52:451
263910499221,12cyclictest2678541-21seq07:43:041
263910499221,12cyclictest2647911-21runrttasks07:15:121
263910499220,13cyclictest3003925-21sh11:36:541
263910499220,13cyclictest2929497-21taskset10:45:531
263910499220,13cyclictest2884967-21taskset10:15:341
263910499220,13cyclictest2856289-21taskset09:58:111
263910499220,13cyclictest2709130-21seq08:07:441
263910499220,13cyclictest2702776-21taskset08:02:331
263910499220,13cyclictest2684515-21seq07:46:441
263910499220,13cyclictest2666393-21taskset07:33:201
263910499220,13cyclictest2639411-21taskset07:11:201
263910499220,12cyclictest3011684-21taskset11:43:041
2639103992211,6cyclictest0-21swapper/009:19:470
2639103992210,7cyclictest0-21swapper/012:15:010
492398210,6rtkit-daemon1242-21mta-sts-daemon08:17:200
492398210,5rtkit-daemon171ktimers/012:17:250
3153791210,2phc2sys0-21swapper/311:57:363
2639105992118,1cyclictest0-21swapper/210:25:002
263910499211,13cyclictest2900750-21runrttasks10:28:291
263910499211,12cyclictest2721179-21taskset08:16:321
263910499211,11cyclictest3070014-21taskset12:20:391
263910499211,11cyclictest3040438-21taskset12:00:311
263910499211,11cyclictest3018126-21sh11:45:121
263910499211,11cyclictest2996859-21taskset11:33:031
263910499211,11cyclictest2951720-21sh11:01:161
263910499211,11cyclictest2914555-21sh10:35:291
263910499211,11cyclictest2907082-21taskset10:30:171
263910499211,11cyclictest2818810-21sh09:31:491
263910499211,11cyclictest2745966-21taskset08:36:471
263910499211,11cyclictest2727146-21taskset08:20:251
263910499211,11cyclictest2672345-21taskset07:36:441
263910499211,11cyclictest2654098-21seq07:20:521
263910499210,12cyclictest3055613-21taskset12:11:501
263910499210,12cyclictest2803359-21ssh09:20:381
2639105992017,1cyclictest0-21swapper/207:50:012
263910599201,3cyclictest0-21swapper/210:10:012
263910499201,11cyclictest3063406-21taskset12:18:021
263910499201,10cyclictest1020-21runrttasks10:40:181
263910499200,11cyclictest3085670-21taskset12:33:101
2639103992017,2cyclictest2745795-21sh08:35:020
2639103992017,2cyclictest2645213-21apt-config07:15:010
2639103992013,6cyclictest2946764-21irqrtprio10:59:430
3153791190,8phc2sys0-21swapper/307:54:373
2639105991916,1cyclictest0-21swapper/212:15:012
2639105991916,1cyclictest0-21swapper/211:29:452
2639105991916,1cyclictest0-21swapper/208:20:012
263910499191,15cyclictest2638949-21latency_hist07:10:011
263910399199,6cyclictest0-21swapper/010:04:370
2639103991910,5cyclictest0-21swapper/009:29:500
263910399190,3cyclictest2804625-21ssh09:24:300
263910399190,11cyclictest2764431-21apt-get08:54:360
2639105991815,1cyclictest0-21swapper/209:15:012
2639105991815,1cyclictest0-21swapper/208:10:012
263910399189,5cyclictest3071388-21/usr/sbin/munin12:24:460
263910399189,5cyclictest0-21swapper/010:09:440
263910399184,2cyclictest0-21swapper/012:06:170
2639103991816,1cyclictest0-21swapper/008:05:010
2639103991815,2cyclictest671-21polkitd10:25:020
2639103991815,2cyclictest3013127-21sed11:44:430
2639103991812,5cyclictest1247-21mta-sts-daemon10:42:560
2639103991810,4cyclictest765-1atopacctd11:50:030
2639103991810,4cyclictest2890984-21kthreadcore10:19:470
3153791171,4phc2sys0-21swapper/310:54:373
3153791171,2phc2sys0-21swapper/307:34:453
3153791170,2phc2sys0-21swapper/312:30:273
3153791170,2phc2sys0-21swapper/312:08:473
27871342170,2sleep20-21swapper/209:09:452
263910599179,1cyclictest0-21swapper/208:45:012
263910599178,1cyclictest0-21swapper/211:50:002
263910599178,1cyclictest0-21swapper/208:35:002
2639105991714,1cyclictest0-21swapper/212:34:402
2639105991714,1cyclictest0-21swapper/211:34:402
2639105991714,1cyclictest0-21swapper/211:19:502
2639105991714,1cyclictest0-21swapper/210:12:032
2639105991714,1cyclictest0-21swapper/208:50:002
2639105991714,1cyclictest0-21swapper/208:30:002
2639105991714,1cyclictest0-21swapper/208:14:422
2639105991714,1cyclictest0-21swapper/208:05:012
2639105991714,1cyclictest0-21swapper/207:55:012
263910599170,15cyclictest0-21swapper/210:25:222
263910399179,7cyclictest0-21swapper/011:30:000
263910399179,4cyclictest1246-21mta-sts-daemon11:09:260
263910399177,6cyclictest3082105-21kthreadcore12:29:450
263910399177,5cyclictest0-21swapper/012:39:520
2639103991714,2cyclictest660-21dbus-daemon10:40:010
2639103991714,2cyclictest2850547-21tr09:54:430
2639103991714,2cyclictest2790207-21tr09:14:410
2639103991714,2cyclictest2758638-21cpuspeed_turbos08:49:400
2639103991714,2cyclictest0-21swapper/011:25:010
2639103991714,2cyclictest0-21swapper/011:25:010
2639103991714,2cyclictest0-21swapper/008:30:010
2639103991712,2cyclictest1237-21mta-sts-daemon10:34:550
3153791160,2phc2sys0-21swapper/312:29:593
3153791160,2phc2sys0-21swapper/311:47:103
3153791160,2phc2sys0-21swapper/311:32:433
3153791160,2phc2sys0-21swapper/311:19:343
3153791160,2phc2sys0-21swapper/310:23:313
3153791160,2phc2sys0-21swapper/310:14:373
3153791160,2phc2sys0-21swapper/310:07:083
263910599167,1cyclictest0-21swapper/208:00:012
2639105991614,1cyclictest0-21swapper/209:44:382
2639105991613,1cyclictest0-21swapper/209:39:502
2639105991613,1cyclictest0-21swapper/209:34:442
2639105991613,1cyclictest0-21swapper/209:00:012
2639105991613,1cyclictest0-21swapper/207:45:012
2639105991613,1cyclictest0-21swapper/207:39:462
2639105991613,1cyclictest0-21swapper/207:29:412
2639105991612,2cyclictest0-21swapper/211:09:472
2639105991611,3cyclictest0-21swapper/209:05:012
263910399168,7cyclictest0-21swapper/012:00:010
263910399167,2cyclictest0-21swapper/009:39:370
263910399165,6cyclictest0-21swapper/011:20:020
263910399165,6cyclictest0-21swapper/011:05:010
2639103991613,2cyclictest571-21rpcbind09:46:260
2639103991613,2cyclictest3091391-21xargs12:34:500
2639103991613,2cyclictest2997417-21aten_repower_cu11:34:360
2639103991613,2cyclictest2788103-21systemd09:10:010
2639103991613,2cyclictest2687544-21kthreadcore07:49:450
2639103991613,2cyclictest2639101-21cyclictest08:09:420
2639103991613,2cyclictest1247-21mta-sts-daemon11:39:270
2639103991612,3cyclictest2906727-21kworker/u16:0+nfsiod11:45:280
2639103991610,5cyclictest2639101-21cyclictest11:14:340
263910399160,15cyclictest0-21swapper/008:44:510
492398150,2rtkit-daemon1247-21mta-sts-daemon07:16:460
3153791151,6phc2sys0-21swapper/312:24:373
3153791151,4phc2sys0-21swapper/311:40:083
3153791151,4phc2sys0-21swapper/307:29:383
3153791151,2phc2sys0-21swapper/311:03:473
3153791150,6phc2sys0-21swapper/311:08:303
3153791150,2phc2sys0-21swapper/309:52:103
3153791150,2phc2sys0-21swapper/307:59:433
263910599157,1cyclictest0-21swapper/211:14:582
263910599151,3cyclictest0-21swapper/208:40:012
2639105991513,1cyclictest0-21swapper/210:38:212
2639105991512,1cyclictest0-21swapper/212:39:492
2639105991512,1cyclictest0-21swapper/212:29:412
2639105991512,1cyclictest0-21swapper/212:24:462
2639105991512,1cyclictest0-21swapper/211:55:492
2639105991512,1cyclictest0-21swapper/211:24:472
2639105991512,1cyclictest0-21swapper/211:24:472
2639105991512,1cyclictest0-21swapper/210:59:412
2639105991512,1cyclictest0-21swapper/210:54:372
2639105991512,1cyclictest0-21swapper/210:49:522
2639105991512,1cyclictest0-21swapper/210:03:212
2639105991512,1cyclictest0-21swapper/209:59:222
2639105991512,1cyclictest0-21swapper/209:29:322
2639105991512,1cyclictest0-21swapper/207:14:452
2639105991511,2cyclictest0-21swapper/208:24:462
263910399158,2cyclictest492398rtkit-daemon10:53:150
263910399157,4cyclictest67250irq/126-eno112:04:480
263910399157,3cyclictest2825421-21kworker/u16:3-rpciod09:59:160
2639103991512,2cyclictest671-21polkitd08:00:010
2639103991512,2cyclictest2902769-21kthreadcore10:29:430
2639103991512,2cyclictest2884559-21/usr/sbin/munin10:15:000
2639103991512,2cyclictest2774143-21kthreadcore08:59:450
2639103991512,2cyclictest2732921-21cut08:25:010
3153791141,6phc2sys0-21swapper/310:18:403
3153791140,2phc2sys0-21swapper/311:35:413
3153791140,2phc2sys0-21swapper/311:14:493
3153791140,2phc2sys0-21swapper/310:00:583
3153791140,2phc2sys0-21swapper/309:20:593
3153791140,2phc2sys0-21swapper/309:03:333
2639105991412,1cyclictest0-21swapper/207:34:392
2639105991411,2cyclictest0-21swapper/211:41:512
2639105991411,1cyclictest0-21swapper/212:18:152
2639105991411,1cyclictest0-21swapper/212:09:382
2639105991411,1cyclictest0-21swapper/212:00:392
2639105991411,1cyclictest0-21swapper/211:02:082
2639105991411,1cyclictest0-21swapper/210:40:322
2639105991411,1cyclictest0-21swapper/210:19:452
2639105991411,1cyclictest0-21swapper/209:54:432
2639105991411,1cyclictest0-21swapper/209:20:132
2639105991410,2cyclictest0-21swapper/209:19:462
2639105991410,2cyclictest0-21swapper/208:52:502
2639105991410,2cyclictest0-21swapper/207:10:022
263910399149,4cyclictest1246-21mta-sts-daemon10:48:400
263910399149,2cyclictest1237-21mta-sts-daemon09:42:330
2639103991411,2cyclictest2781301-21cut09:04:470
2639103991411,2cyclictest2720977-21systemd08:15:020
2639103991411,2cyclictest2659410-21mailstats07:24:490
2639103991411,2cyclictest1247-21mta-sts-daemon08:39:530
2639103991411,2cyclictest0-21swapper/007:40:010
3153791134,2phc2sys0-21swapper/308:10:013
3153791130,3phc2sys0-21swapper/308:14:383
3153791130,2phc2sys0-21swapper/311:22:303
3153791130,2phc2sys0-21swapper/311:22:303
3153791130,2phc2sys0-21swapper/310:39:233
3153791130,2phc2sys0-21swapper/309:31:083
2639105991311,1cyclictest0-21swapper/211:52:452
2639105991310,2cyclictest0-21swapper/209:47:152
2639105991310,1cyclictest0-21swapper/207:24:462
2639105991310,1cyclictest0-21swapper/207:19:452
263910399134,5cyclictest0-21swapper/007:53:010
263910399131,7cyclictest2666494-21/usr/sbin/munin07:34:370
2639103991310,2cyclictest1242-21mta-sts-daemon07:29:480
3153791121,3phc2sys0-21swapper/307:19:563
3153791120,4phc2sys0-21swapper/310:59:373
3153791120,3phc2sys0-21swapper/310:44:423
3153791120,2phc2sys0-21swapper/312:36:413
3153791120,2phc2sys0-21swapper/308:01:163
3153791120,1phc2sys0-21swapper/312:03:343
263910399129,2cyclictest2684351-21systemd07:45:020
3153791112,2phc2sys0-21swapper/311:54:363
3153791112,2phc2sys0-21swapper/309:05:193
3153791111,2phc2sys0-21swapper/310:31:163
3153791111,2phc2sys0-21swapper/309:13:523
3153791110,2phc2sys0-21swapper/312:13:013
3153791110,2phc2sys0-21swapper/310:25:153
3153791110,2phc2sys0-21swapper/309:59:373
3153791110,2phc2sys0-21swapper/309:44:383
3153791110,2phc2sys0-21swapper/308:34:373
3153791110,2phc2sys0-21swapper/307:44:373
3153791110,1phc2sys0-21swapper/308:44:233
3153791110,1phc2sys0-21swapper/307:47:253
3153791110,1phc2sys0-21swapper/307:13:393
28409072110,3sleep30-21swapper/309:46:233
263910399111,5cyclictest660-21dbus-daemon07:10:010
3153791101,3phc2sys0-21swapper/309:29:433
3153791101,2phc2sys0-21swapper/309:15:253
3153791101,2phc2sys0-21swapper/307:39:483
3153791100,2phc2sys0-21swapper/312:16:533
3153791100,2phc2sys0-21swapper/310:48:563
3153791100,2phc2sys0-21swapper/309:37:213
3153791100,2phc2sys0-21swapper/308:59:543
3153791100,2phc2sys0-21swapper/308:49:443
3153791100,2phc2sys0-21swapper/308:39:503
3153791100,2phc2sys0-21swapper/308:28:323
315379191,2phc2sys0-21swapper/307:20:283
315379190,2phc2sys0-21swapper/308:22:113
315379190,2phc2sys0-21swapper/308:19:393
315379190,2phc2sys0-21swapper/307:08:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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