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2026-03-10 - 00:04
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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 highest latencies:
System rackeslot2.osadl.org (updated Mon Mar 09, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
341321821620,2sleep30-21swapper/311:36:433
346104221060,2sleep30-21swapper/311:58:433
341207021030,2sleep20-21swapper/211:36:022
30282722940,2sleep03028277-21gltestperf07:26:440
32358392910,1sleep20-21swapper/209:56:422
3006660992716,3cyclictest3342867-21irqcore10:56:471
3006660992623,2cyclictest3479540-21grep12:10:001
3006660992614,3cyclictest3175379-21kthreadcore09:21:471
3006660992614,3cyclictest3175379-21kthreadcore09:21:471
3006660992412,3cyclictest134050irq/121-eno110:46:481
3006659992415,5cyclictest1327-21in:imuxsock11:04:550
3006660992314,3cyclictest1288-1atopacctd09:35:001
3006659992310,6cyclictest3366685-21runrttasks11:09:310
3006660992118,2cyclictest3435398-21systemd11:45:011
3006660992118,2cyclictest1290-21dbus-daemon07:10:011
3006660992118,2cyclictest1290-21dbus-daemon07:10:011
3006660992116,3cyclictest0-21swapper/110:10:011
3006659992117,2cyclictest0-21swapper/010:00:010
3006659992116,4cyclictest3254036-21uniq10:06:440
3006661992018,1cyclictest0-21swapper/209:30:012
3006661992017,1cyclictest0-21swapper/211:10:002
3006660992017,2cyclictest3242933-21apt-key10:00:011
3006660992017,2cyclictest1290-21dbus-daemon11:15:011
3006659992013,6cyclictest3423394-21update-ca-certi11:36:560
3006659992011,1cyclictest0-21swapper/010:19:330
33187122190,3sleep30-21swapper/310:41:483
3006661991916,1cyclictest0-21swapper/211:45:002
3006661991916,1cyclictest0-21swapper/209:50:002
3006661991916,1cyclictest0-21swapper/207:55:002
3006660991916,2cyclictest3423642-21sed11:36:561
300665999199,5cyclictest0-21swapper/009:41:520
300665999195,9cyclictest171ktimers/010:21:430
3006659991916,2cyclictest3027166-21latency_hist07:25:010
3006659991916,1cyclictest3498846-21apt-get12:21:420
3006659991915,3cyclictest0-21swapper/007:15:010
3006659991915,2cyclictest0-21swapper/007:40:010
3006659991913,2cyclictest134050irq/121-eno112:31:460
2649091190,2phc2sys0-21swapper/312:12:073
2649091190,2phc2sys0-21swapper/309:45:313
2649091190,1phc2sys0-21swapper/310:16:203
3006661991816,1cyclictest0-21swapper/211:00:022
3006661991815,1cyclictest0-21swapper/210:35:022
3006660991815,2cyclictest3488728-21apt-key12:15:001
3006660991815,2cyclictest3186136-21kthreadcore09:26:481
3006660991815,2cyclictest1288-1atopacctd11:55:011
3006660991815,2cyclictest0-21swapper/107:40:021
3006660991813,3cyclictest3380804-21kthreadcore11:16:491
3006660991813,3cyclictest3006657-21cyclictest10:51:491
300665999189,8cyclictest1288-1atopacctd09:28:550
300665999189,4cyclictest3324111-21runrttasks10:46:330
300665999187,6cyclictest3039624-21kworker/u16:1+nfsiod09:16:110
300665999186,7cyclictest3130874-21aten2.4-expect08:51:410
3006659991815,2cyclictest3163628-21sh09:15:020
3006659991815,2cyclictest1327-21in:imuxsock08:10:000
3006659991815,2cyclictest0-21swapper/012:30:000
3006659991813,3cyclictest0-21swapper/007:55:010
3006659991812,2cyclictest134050irq/121-eno111:31:470
3006659991811,2cyclictest134050irq/121-eno110:36:460
3006659991810,2cyclictest171ktimers/009:54:520
2649091180,2phc2sys0-21swapper/311:25:593
2649091180,2phc2sys0-21swapper/310:07:073
34453792170,1sleep03445380-21ssh11:51:310
33321012170,2sleep20-21swapper/210:50:212
3006661991714,1cyclictest0-21swapper/211:26:502
3006661991714,1cyclictest0-21swapper/210:41:542
3006661991714,1cyclictest0-21swapper/209:51:472
3006661991714,1cyclictest0-21swapper/209:15:012
3006661991714,1cyclictest0-21swapper/207:40:012
3006661991713,2cyclictest0-21swapper/210:25:022
300666099171,4cyclictest0-21swapper/110:19:331
3006660991714,2cyclictest3436669-21acpi11:46:401
3006660991714,2cyclictest3296479-21/usr/sbin/munin10:30:011
3006660991714,2cyclictest3221449-21kthreadcore09:46:491
3006660991714,2cyclictest3100148-21idleruntime-cro08:25:011
3006660991714,2cyclictest3013847-21kthreadcore07:15:021
3006660991714,2cyclictest3006657-21cyclictest11:31:431
3006660991714,2cyclictest1290-21dbus-daemon10:25:001
3006660991712,3cyclictest3520445-21kthreadcore12:31:471
300665999178,5cyclictest3386433-21expr11:21:420
300665999177,6cyclictest3349438-21munin-run11:00:010
300665999174,7cyclictest3082593-21aten2.4-expect08:11:440
300665999174,3cyclictest3474065-21cut12:06:470
3006659991714,2cyclictest3481296-21tr12:11:410
3006659991714,2cyclictest3294360-21unixbench_singl10:26:540
3006659991714,2cyclictest1326-21systemd-logind12:20:010
3006659991714,2cyclictest1288-1atopacctd09:06:370
3006659991712,1cyclictest3154525-21diskmemload10:03:240
3006659991711,5cyclictest3193846-21kthreadcore09:31:470
3006659991711,5cyclictest3154525-21diskmemload12:37:250
3006659991711,5cyclictest3154525-21diskmemload10:51:580
3006659991711,5cyclictest3154525-21diskmemload10:44:520
3006659991710,3cyclictest3457665-21cut11:56:470
2649091170,2phc2sys0-21swapper/311:16:403
2649091170,2phc2sys0-21swapper/310:29:553
2649091170,2phc2sys0-21swapper/309:40:413
2649091170,2phc2sys0-21swapper/308:11:483
300666199169,1cyclictest0-21swapper/208:21:372
3006661991613,1cyclictest0-21swapper/211:51:422
3006661991613,1cyclictest0-21swapper/207:35:002
300666099169,1cyclictest1109-21hwrng09:51:351
300666099168,3cyclictest134050irq/121-eno109:11:451
3006660991614,1cyclictest3216416-21systemd-run09:45:011
3006660991613,2cyclictest3167706-21kthreadcore09:16:481
3006660991613,2cyclictest3054734-21kthreadcore07:46:491
3006660991613,2cyclictest1288-1atopacctd12:00:021
3006660991613,2cyclictest1288-1atopacctd08:01:491
3006660991612,3cyclictest3299157-21kthreadcore10:31:471
3006660991612,3cyclictest3142008-21timerwakeupswit08:56:551
3006660991612,3cyclictest3105554-21mailstats08:26:521
3006660991612,3cyclictest1288-1atopacctd08:46:471
3006660991611,3cyclictest0-21swapper/110:05:011
3006660991610,4cyclictest0-21swapper/112:00:021
300665999168,4cyclictest3100731-21aten2.4-expect08:26:420
300665999168,4cyclictest3046113-21aten2.4-expect07:41:430
300665999164,8cyclictest3428320-21grep11:41:460
300665999164,6cyclictest3358373-21kworker/u16:0+nfsiod12:00:300
300665999164,6cyclictest3088549-21aten2.4-expect08:16:430
300665999164,6cyclictest3064395-21aten2.4-expect07:56:400
300665999163,9cyclictest3298793-21irqcore10:31:460
3006659991613,2cyclictest3220696-21kthreadcore09:46:480
3006659991613,2cyclictest3142561-21systemd-run09:00:010
3006659991613,2cyclictest3113288-21fschecks_count08:36:440
3006659991613,2cyclictest3055611-21kthreadcore07:46:480
3006659991613,2cyclictest1326-21systemd-logind11:15:010
3006659991612,3cyclictest3143657-21head09:01:440
3006659991612,2cyclictest0-21swapper/009:40:000
3006659991610,5cyclictest3154525-21diskmemload11:26:380
2649091160,2phc2sys0-21swapper/312:28:213
2649091160,2phc2sys0-21swapper/312:15:273
2649091160,2phc2sys0-21swapper/309:11:213
300666199151,5cyclictest0-21swapper/210:50:012
3006661991513,1cyclictest0-21swapper/211:46:412
3006661991513,1cyclictest0-21swapper/207:50:012
3006661991512,2cyclictest0-21swapper/210:05:012
3006661991512,1cyclictest0-21swapper/212:40:002
3006661991512,1cyclictest0-21swapper/211:20:012
3006661991512,1cyclictest0-21swapper/210:15:002
3006661991512,1cyclictest0-21swapper/209:36:212
3006661991512,1cyclictest0-21swapper/209:20:002
3006661991512,1cyclictest0-21swapper/208:45:282
3006661991512,1cyclictest0-21swapper/208:26:472
3006661991512,1cyclictest0-21swapper/207:25:012
3006661991512,1cyclictest0-21swapper/207:15:022
3006661991512,1cyclictest0-21swapper/207:11:482
3006661991511,2cyclictest0-21swapper/208:56:552
3006661991510,1cyclictest0-21swapper/212:00:012
300666099158,5cyclictest257-21systemd-journal12:39:551
3006660991513,1cyclictest3033112-21latency_hist07:30:001
3006660991513,1cyclictest3006657-21cyclictest12:26:061
3006660991512,2cyclictest3367061-21systemd-run11:10:011
3006660991512,2cyclictest3353595-21kthreadcore11:01:491
3006660991512,2cyclictest3262706-21fschecks_count10:11:451
3006660991512,2cyclictest3118242-21awk08:40:001
3006660991512,2cyclictest3064989-21gltestperf07:56:431
3006660991511,3cyclictest3499720-21if_enp1s0.812:21:461
3006660991511,3cyclictest3006657-21cyclictest11:26:491
3006660991510,4cyclictest1288-1atopacctd11:21:471
300665999158,1cyclictest134050irq/121-eno110:11:430
300665999154,7cyclictest3444303-21munin-plugin-st11:50:010
3006659991512,2cyclictest3130652-21systemd08:50:020
3006659991512,2cyclictest3120014-21kthreadcore08:41:470
300665999150,5cyclictest3174463-21smartctl09:21:450
300665999150,5cyclictest3174463-21smartctl09:21:450
300665999150,14cyclictest3384686-21cron11:20:000
2649091151,3phc2sys0-21swapper/309:51:403
3006661991412,1cyclictest0-21swapper/212:01:452
3006661991412,1cyclictest0-21swapper/210:06:522
3006661991412,1cyclictest0-21swapper/209:35:012
3006661991411,1cyclictest0-21swapper/212:31:462
3006661991411,1cyclictest0-21swapper/212:26:532
3006661991411,1cyclictest0-21swapper/212:21:422
3006661991411,1cyclictest0-21swapper/212:11:462
3006661991411,1cyclictest0-21swapper/212:05:232
3006661991411,1cyclictest0-21swapper/211:31:472
3006661991411,1cyclictest0-21swapper/211:21:482
3006661991411,1cyclictest0-21swapper/211:11:492
3006661991411,1cyclictest0-21swapper/210:16:492
3006661991411,1cyclictest0-21swapper/209:42:582
3006661991411,1cyclictest0-21swapper/209:06:472
3006661991411,1cyclictest0-21swapper/207:56:452
3006661991411,1cyclictest0-21swapper/207:26:462
3006660991412,1cyclictest3036322-21kthreadcore07:31:471
3006660991412,1cyclictest29021-21rtkit-daemon08:44:501
3006660991411,2cyclictest3491382-21kthreadcore12:16:471
3006660991411,2cyclictest3147607-21needreboot09:01:501
3006660991411,2cyclictest3110360-21kthreadcore08:31:461
3006660991411,2cyclictest3091522-21kthreadcore08:16:491
3006660991411,2cyclictest3086295-21kthreadcore08:11:501
3006660991411,2cyclictest3047229-21kernelversion07:41:481
3006660991411,2cyclictest3017071-21kthreadcore07:16:471
3006660991410,3cyclictest3203343-21kthreadcore09:36:491
3006660991410,3cyclictest3060845-21kthreadcore07:51:471
3006660991410,3cyclictest1288-1atopacctd08:51:481
300665999144,4cyclictest3033533-21sshd07:31:380
3006659991411,2cyclictest3111218-21latency08:31:460
3006659991411,2cyclictest3075451-21timerandwakeup08:01:550
3006659991411,2cyclictest3016681-21kthreadcore07:16:470
3006659991411,2cyclictest0-21swapper/007:10:010
3006659991411,2cyclictest0-21swapper/007:10:010
2649091141,4phc2sys0-21swapper/309:36:413
2649091141,3phc2sys0-21swapper/308:16:423
2649091140,3phc2sys0-21swapper/309:31:403
2649091140,3phc2sys0-21swapper/307:56:473
2649091140,2phc2sys0-21swapper/307:21:513
300666199136,4cyclictest0-21swapper/208:01:422
300666199131,8cyclictest0-21swapper/212:20:012
3006661991311,1cyclictest0-21swapper/211:05:012
3006661991311,1cyclictest0-21swapper/210:36:462
3006661991310,1cyclictest0-21swapper/209:21:442
3006661991310,1cyclictest0-21swapper/209:21:442
3006661991310,1cyclictest0-21swapper/209:01:472
3006661991310,1cyclictest0-21swapper/208:41:462
3006661991310,1cyclictest0-21swapper/208:36:452
3006661991310,1cyclictest0-21swapper/208:31:442
3006661991310,1cyclictest0-21swapper/208:13:392
300666099136,5cyclictest134050irq/121-eno110:36:221
3006660991311,1cyclictest3149044-21aten_repower_fr09:06:421
3006660991310,2cyclictest3315311-21acpi10:41:401
300665999131,3cyclictest3094533-21apt-get08:21:400
2649091133,2phc2sys0-21swapper/312:37:123
2649091132,2phc2sys0-21swapper/310:46:423
2649091130,2phc2sys0-21swapper/311:49:233
2649091130,2phc2sys0-21swapper/311:34:203
2649091130,2phc2sys0-21swapper/311:24:213
2649091130,2phc2sys0-21swapper/311:14:123
2649091130,2phc2sys0-21swapper/311:06:313
2649091130,2phc2sys0-21swapper/309:20:543
2649091130,2phc2sys0-21swapper/309:20:543
300666199129,1cyclictest0-21swapper/208:53:132
300666199129,1cyclictest0-21swapper/208:16:422
300666199129,1cyclictest0-21swapper/207:41:582
300666199129,1cyclictest0-21swapper/207:10:012
300666199129,1cyclictest0-21swapper/207:10:012
3006661991210,1cyclictest0-21swapper/210:26:502
3006661991210,1cyclictest0-21swapper/208:06:472
300666099128,2cyclictest0-21swapper/107:25:011
2649091121,3phc2sys0-21swapper/307:46:403
2649091121,2phc2sys0-21swapper/309:57:173
300666099118,2cyclictest0-21swapper/108:06:451
2649091111,2phc2sys0-21swapper/308:56:413
2649091111,2phc2sys0-21swapper/308:51:403
2649091110,2phc2sys0-21swapper/312:04:303
2649091110,2phc2sys0-21swapper/311:40:213
2649091110,2phc2sys0-21swapper/308:02:243
2649091110,1phc2sys0-21swapper/311:03:583
2649091110,1phc2sys0-21swapper/309:15:413
2649091110,1phc2sys0-21swapper/307:54:013
2649091110,1phc2sys0-21swapper/307:31:253
2649091101,2phc2sys0-21swapper/312:23:543
2649091101,2phc2sys0-21swapper/308:46:483
2649091100,2phc2sys0-21swapper/312:31:073
2649091100,2phc2sys0-21swapper/310:58:373
2649091100,2phc2sys0-21swapper/310:36:163
2649091100,2phc2sys0-21swapper/310:30:523
2649091100,2phc2sys0-21swapper/309:29:153
2649091100,2phc2sys0-21swapper/308:29:563
2649091100,2phc2sys0-21swapper/307:39:213
2649091100,2phc2sys0-21swapper/307:29:073
2649091100,1phc2sys0-21swapper/309:01:303
2649091100,1phc2sys0-21swapper/308:06:043
264909191,3phc2sys0-21swapper/309:10:013
264909191,2phc2sys0-21swapper/308:30:333
264909190,2phc2sys0-21swapper/312:05:103
264909190,2phc2sys0-21swapper/311:50:073
264909190,2phc2sys0-21swapper/310:50:273
264909190,2phc2sys0-21swapper/310:20:533
264909190,2phc2sys0-21swapper/310:10:313
264909190,2phc2sys0-21swapper/310:00:133
264909190,2phc2sys0-21swapper/308:41:433
264909190,2phc2sys0-21swapper/308:36:503
264909190,2phc2sys0-21swapper/308:21:433
264909190,2phc2sys0-21swapper/307:41:553
264909190,2phc2sys0-21swapper/307:15:023
264909190,2phc2sys0-21swapper/307:14:493
264909190,2phc2sys0-21swapper/307:06:413
264909190,2phc2sys0-21swapper/307:06:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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