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2026-06-02 - 16:24
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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 Jun 02, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
400148422210,2sleep30-21swapper/309:25:023
401828021010,2sleep30-21swapper/309:39:423
39852962510,1sleep00-21swapper/009:14:530
39866382480,1sleep00-21swapper/009:16:300
41162132390,1sleep04116215-21ssh10:43:360
41571012300,2sleep20-21swapper/211:09:472
3825556992719,3cyclictest0-21swapper/111:25:021
3825561992618,4cyclictest0-21swapper/209:34:402
382554899261,7cyclictest4008801-21true09:30:000
3825561992519,2cyclictest0-21swapper/212:29:432
3825548992519,5cyclictest4170437-21ps11:19:470
3825548992514,10cyclictest4140027-21idleruntime10:59:450
40408832240,2sleep04040823-21ssh09:54:420
3825548992418,5cyclictest4182888-21ssh11:25:010
382556199233,8cyclictest0-21swapper/209:44:412
382554899233,7cyclictest3941041-21munin-run08:40:010
3825548992319,3cyclictest3897193-21munin-run08:04:590
3825548992318,4cyclictest0-21swapper/010:50:020
3825548992310,8cyclictest4023829-21latency_hist09:40:020
382554899230,3cyclictest57560-21ssh12:10:330
3825561992214,3cyclictest0-21swapper/211:29:412
382554899229,7cyclictest56703-21grep12:09:530
382554899228,9cyclictest16-21ksoftirqd/011:15:010
382554899228,9cyclictest0-21swapper/011:29:560
382554899225,3cyclictest501rcuop/210:15:530
382554899225,3cyclictest501rcuop/210:15:530
382554899222,3cyclictest501rcuop/212:35:470
3825548992216,5cyclictest74722-21grep12:24:420
382554899221,3cyclictest501rcuop/211:44:270
3825548992211,7cyclictest83850-21kthreadcore12:29:510
3825561992114,3cyclictest0-21swapper/209:29:412
382555699210,20cyclictest3928403-21idleruntime-cro08:30:001
382554899219,6cyclictest501rcuop/210:50:520
382554899218,6cyclictest501rcuop/211:37:260
382554899218,6cyclictest501rcuop/209:58:050
382554899217,9cyclictest16-21ksoftirqd/012:00:000
3825548992116,4cyclictest3840947-21packagekitd07:20:010
3825548992111,9cyclictest4149684-21kthreadcore11:04:520
382554899211,15cyclictest3947804-21/usr/sbin/munin08:49:530
383433398200,3rtkit-daemon3851702-21mta-sts-daemon09:01:440
3825556992018,1cyclictest0-21swapper/110:10:021
3825556992017,2cyclictest26979-21apt-config11:50:011
3825556992014,2cyclictest134050irq/121-eno109:14:551
382554899208,8cyclictest0-21swapper/010:09:470
382554899208,7cyclictest0-21swapper/011:09:460
382554899207,8cyclictest0-21swapper/011:35:010
382554899206,11cyclictest501rcuop/209:47:270
382554899205,3cyclictest501rcuop/210:25:470
382554899205,3cyclictest501rcuop/210:01:310
382554899203,2cyclictest191rcu_preempt08:24:440
382554899203,16cyclictest4114750-21wc10:40:000
382554899202,3cyclictest3903608-21unin-run08:10:010
382554899201,6cyclictest4000960-21latency_hist09:25:020
3825548992015,4cyclictest1996-21runrttasks09:31:090
3825548992015,4cyclictest0-21swapper/011:50:010
3825548992014,4cyclictest0-21swapper/010:35:020
383433398190,2rtkit-daemon3834332-21rtkit-daemon11:57:461
382556199197,7cyclictest0-21swapper/207:10:012
3825561991911,4cyclictest0-21swapper/210:59:402
382554899196,6cyclictest501rcuop/210:13:520
382554899194,3cyclictest501rcuop/207:46:230
3825548991914,4cyclictest0-21swapper/007:15:010
382554899191,3cyclictest191rcu_preempt07:30:010
3825548991912,4cyclictest601rcuop/307:24:450
382554899190,5cyclictest0-21swapper/012:35:020
382554899190,3cyclictest46118-21kthreadcore12:04:480
382554899190,2cyclictest191rcu_preempt07:10:010
38752922180,2sleep30-21swapper/307:49:483
382556199189,5cyclictest0-21swapper/208:40:012
3825561991815,1cyclictest0-21swapper/209:04:512
3825561991811,2cyclictest0-21swapper/208:04:412
382555699188,4cyclictest0-21swapper/109:44:411
3825556991815,2cyclictest72146-21latency_hist12:20:011
3825556991815,2cyclictest4122538-21systemd10:45:021
3825556991815,2cyclictest4001018-21apt-config09:25:001
3825556991815,2cyclictest3859585-21systemd-run07:35:011
3825556991815,2cyclictest3825541-21cyclictest07:19:551
3825556991815,2cyclictest1290-21dbus-daemon10:55:011
3825556991815,2cyclictest0-21swapper/111:20:011
3825556991814,3cyclictest3931962-21kthreadcore08:34:491
382554899189,3cyclictest601rcuop/308:59:450
382554899186,6cyclictest501rcuop/212:16:380
382554899186,2cyclictest501rcuop/207:56:090
382554899185,3cyclictest501rcuop/211:54:380
3825548991812,5cyclictest3915726-21unixbench-2d08:19:520
3825548991812,5cyclictest1-21systemd07:43:450
382554899180,1cyclictest0-21swapper/008:14:440
382554899180,1cyclictest0-21swapper/007:34:470
382554899180,11cyclictest501rcuop/210:20:300
2649091181,2phc2sys0-21swapper/310:44:483
2649091180,2phc2sys0-21swapper/312:23:413
2649091180,2phc2sys0-21swapper/311:45:503
2649091180,2phc2sys0-21swapper/311:44:533
2649091180,2phc2sys0-21swapper/310:30:053
2649091180,2phc2sys0-21swapper/307:54:463
38420312170,2sleep30-21swapper/307:24:433
3825561991714,1cyclictest0-21swapper/211:12:032
3825561991714,1cyclictest0-21swapper/209:49:412
3825561991714,1cyclictest0-21swapper/209:10:002
3825561991714,1cyclictest0-21swapper/207:44:512
3825561991714,1cyclictest0-21swapper/207:34:492
3825561991713,2cyclictest0-21swapper/212:10:332
3825556991714,2cyclictest82225-21grep12:29:461
3825556991714,2cyclictest4086632-21aten2.4-expect10:24:421
3825556991714,2cyclictest4046667-21sh09:55:001
3825556991714,2cyclictest4034593-21sort09:49:451
3825556991714,2cyclictest3827634-1atopacctd11:00:301
3825556991714,2cyclictest0-21swapper/112:15:001
3825556991714,2cyclictest0-21swapper/111:40:001
3825556991714,2cyclictest0-21swapper/111:35:011
3825556991713,3cyclictest3967877-21kthreadcore09:04:461
3825556991713,2cyclictest3897322-21systemd08:05:001
3825556991711,5cyclictest0-21swapper/107:15:011
382555699171,10cyclictest1290-21dbus-daemon07:40:001
382554899179,4cyclictest501rcuop/209:40:050
382554899174,3cyclictest501rcuop/209:07:510
382554899173,9cyclictest16-21ksoftirqd/007:39:500
382554899173,9cyclictest0-21swapper/008:26:560
382554899173,7cyclictest0-21swapper/008:40:460
3825548991712,4cyclictest3959619-21latency_hist08:55:020
3825548991712,4cyclictest3929051-21/usr/sbin/munin08:34:520
3825548991711,5cyclictest3827634-1atopacctd07:54:480
2649091171,2phc2sys0-21swapper/309:40:043
2649091170,3phc2sys0-21swapper/311:20:593
2649091170,2phc2sys0-21swapper/312:06:373
3825561991613,1cyclictest0-21swapper/212:39:422
3825561991613,1cyclictest0-21swapper/212:04:412
3825561991613,1cyclictest0-21swapper/211:39:422
3825561991613,1cyclictest0-21swapper/211:19:542
3825561991613,1cyclictest0-21swapper/210:49:432
3825561991613,1cyclictest0-21swapper/210:38:392
3825561991613,1cyclictest0-21swapper/210:19:492
3825561991613,1cyclictest0-21swapper/210:19:492
3825561991613,1cyclictest0-21swapper/209:19:442
3825561991613,1cyclictest0-21swapper/207:49:432
3825561991612,2cyclictest0-21swapper/210:54:432
3825561991612,2cyclictest0-21swapper/208:20:002
3825561991612,2cyclictest0-21swapper/207:29:522
382555699168,3cyclictest0-21swapper/110:39:411
3825556991613,2cyclictest4024114-21systemd-run09:40:021
3825556991613,2cyclictest3993673-21systemd09:20:021
3825556991613,2cyclictest3906968-21kthreadcore08:14:481
3825556991613,2cyclictest3867248-21gltestperf07:44:441
3825556991613,2cyclictest1296-21polkitd09:00:031
3825556991613,2cyclictest102542-21latency_hist12:40:021
3825556991613,2cyclictest0-21swapper/110:30:001
3825556991613,2cyclictest0-21swapper/108:25:001
3825556991612,3cyclictest3851703-21mta-sts-daemon07:24:451
382555699160,10cyclictest1290-21dbus-daemon07:55:011
2649091160,3phc2sys0-21swapper/311:01:193
2649091160,2phc2sys0-21swapper/310:19:273
2649091160,2phc2sys0-21swapper/310:19:273
2649091160,2phc2sys0-21swapper/309:56:013
2649091160,2phc2sys0-21swapper/309:13:013
40036022150,1sleep30-21swapper/309:29:433
3825561991513,1cyclictest0-21swapper/211:31:252
3825561991513,1cyclictest0-21swapper/208:30:002
3825561991513,1cyclictest0-21swapper/207:55:022
3825561991513,1cyclictest0-21swapper/207:15:022
3825561991512,1cyclictest0-21swapper/212:34:472
3825561991512,1cyclictest0-21swapper/212:19:422
3825561991512,1cyclictest0-21swapper/212:06:172
3825561991512,1cyclictest0-21swapper/211:54:442
3825561991512,1cyclictest0-21swapper/211:49:422
3825561991512,1cyclictest0-21swapper/211:02:402
3825561991512,1cyclictest0-21swapper/210:34:502
3825561991512,1cyclictest0-21swapper/210:29:482
3825561991512,1cyclictest0-21swapper/210:08:512
3825561991512,1cyclictest0-21swapper/210:04:422
3825561991512,1cyclictest0-21swapper/209:59:432
3825561991512,1cyclictest0-21swapper/209:54:482
3825561991512,1cyclictest0-21swapper/209:39:462
3825561991512,1cyclictest0-21swapper/209:24:452
3825561991512,1cyclictest0-21swapper/209:13:242
3825561991512,1cyclictest0-21swapper/208:54:442
3825561991512,1cyclictest0-21swapper/208:49:482
3825561991512,1cyclictest0-21swapper/208:09:402
3825561991512,1cyclictest0-21swapper/207:39:442
3825561991512,1cyclictest0-21swapper/207:24:482
3825561991512,1cyclictest0-21swapper/207:14:422
3825561991511,2cyclictest0-21swapper/211:56:202
3825561991511,2cyclictest0-21swapper/208:14:472
3825561991511,2cyclictest0-21swapper/207:59:542
3825561991511,1cyclictest0-21swapper/210:15:012
382555699157,3cyclictest0-21swapper/107:59:561
382555699156,4cyclictest4061858-21systemd-run10:05:001
3825556991512,2cyclictest4078926-21cpuspeed10:19:431
3825556991512,2cyclictest4078926-21cpuspeed10:19:421
3825556991512,2cyclictest3974781-21kthreadcore09:09:491
3825556991512,2cyclictest3873504-21gltestperf07:49:451
3825556991512,2cyclictest3851704-21mta-sts-daemon12:08:131
3825556991512,2cyclictest3825541-21cyclictest08:44:481
3825556991512,2cyclictest15907-21kthreadcore11:44:491
3825556991512,2cyclictest0-21swapper/108:55:021
3825556991511,3cyclictest3851704-21mta-sts-daemon11:10:101
3825556991511,3cyclictest3851704-21mta-sts-daemon09:26:541
3825556991511,2cyclictest0-21swapper/107:10:011
3825556991510,2cyclictest3851702-21mta-sts-daemon10:31:441
2649091150,3phc2sys0-21swapper/310:14:093
2649091150,2phc2sys0-21swapper/312:16:443
3825561991412,1cyclictest0-21swapper/211:24:482
3825561991412,1cyclictest0-21swapper/208:44:432
3825561991412,1cyclictest0-21swapper/208:24:442
3825561991411,1cyclictest0-21swapper/212:24:462
3825561991411,1cyclictest0-21swapper/211:42:192
3825561991411,1cyclictest0-21swapper/210:44:482
3825561991411,1cyclictest0-21swapper/208:34:432
3825561991410,2cyclictest0-21swapper/210:21:092
382555699148,5cyclictest3841051-21wpa_supplicant11:26:101
382555699142,6cyclictest4070712-21diskmemload10:13:301
3825556991412,1cyclictest3851703-21mta-sts-daemon11:54:001
3825556991411,2cyclictest89749-21cut12:34:441
3825556991411,2cyclictest72769-21gdbus12:21:021
3825556991411,2cyclictest4140048-21if_eno110:59:451
3825556991411,2cyclictest4125987-21kthreadcore10:49:481
3825556991411,2cyclictest4051579-21kthreadcore09:59:491
3825556991411,2cyclictest3941133-21latency_hist08:40:011
3825556991411,2cyclictest3911049-21gltestperf08:19:421
3825556991411,2cyclictest3900720-21kthreadcore08:09:461
3825556991411,2cyclictest0-21swapper/112:05:021
3825556991411,2cyclictest0-21swapper/109:35:011
2649091141,6phc2sys0-21swapper/310:09:403
2649091141,5phc2sys0-21swapper/309:54:413
2649091141,1phc2sys0-21swapper/312:00:053
2649091140,3phc2sys0-21swapper/312:36:133
2649091140,1phc2sys0-21swapper/310:55:233
3825561991310,1cyclictest0-21swapper/208:59:422
382555699139,3cyclictest3951237-21kthreadcore08:49:491
382555699138,4cyclictest3851704-21mta-sts-daemon11:06:251
382555699138,4cyclictest3851704-21mta-sts-daemon07:28:201
2649091131,2phc2sys0-21swapper/310:53:063
2649091131,2phc2sys0-21swapper/310:47:063
2649091130,2phc2sys0-21swapper/308:09:393
38197232120,7sleep30-21swapper/307:09:423
2649091121,5phc2sys0-21swapper/310:35:253
2649091121,2phc2sys0-21swapper/311:34:553
2649091120,2phc2sys0-21swapper/312:29:433
2649091120,2phc2sys0-21swapper/311:09:013
2649091120,2phc2sys0-21swapper/307:39:033
2649091120,2phc2sys0-21swapper/307:10:183
2649091120,1phc2sys0-21swapper/307:59:563
2649091120,1phc2sys0-21swapper/307:17:433
38971522115,3sleep30-21swapper/308:05:003
2649091110,7phc2sys4594-21chrt11:35:253
2649091110,3phc2sys0-21swapper/311:54:513
2649091110,2phc2sys0-21swapper/311:59:403
2649091110,2phc2sys0-21swapper/311:14:353
2649091110,1phc2sys0-21swapper/308:57:063
2649091110,1phc2sys0-21swapper/308:51:573
2649091110,1phc2sys0-21swapper/308:27:363
2649091103,2phc2sys0-21swapper/312:33:353
2649091102,2phc2sys0-21swapper/309:16:183
2649091101,3phc2sys0-21swapper/308:19:383
2649091101,2phc2sys0-21swapper/311:26:213
2649091101,2phc2sys0-21swapper/310:26:573
2649091101,2phc2sys0-21swapper/310:05:003
2649091101,2phc2sys0-21swapper/309:32:423
2649091101,2phc2sys0-21swapper/308:24:493
2649091101,2phc2sys0-21swapper/308:14:553
2649091100,3phc2sys0-21swapper/309:09:413
2649091100,3phc2sys0-21swapper/309:04:403
2649091100,2phc2sys0-21swapper/312:11:083
2649091100,2phc2sys0-21swapper/309:45:363
2649091100,2phc2sys0-21swapper/308:45:573
264909191,3phc2sys0-21swapper/307:45:013
264909191,3phc2sys0-21swapper/307:35:013
264909191,2phc2sys0-21swapper/310:24:443
264909190,2phc2sys0-21swapper/311:15:103
264909190,2phc2sys0-21swapper/308:40:153
264909190,2phc2sys0-21swapper/308:39:433
264909190,2phc2sys0-21swapper/308:31:573
264909190,2phc2sys0-21swapper/307:29:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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