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2026-09-18 - 10:15
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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 Fri Sep 18, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38172932680,2sleep30-21swapper/321:39:273
40220212420,1sleep00-21swapper/023:34:250
36623792340,2sleep30-21swapper/319:54:253
40508232280,1sleep10-21swapper/123:50:211
3599440992813,11cyclictest3995840-21kthreadcore23:19:260
3599440992711,11cyclictest3855765-21latency_hist22:00:030
3599440992710,15cyclictest0-21swapper/023:29:030
3599440992710,15cyclictest0-21swapper/023:29:030
3599440992611,13cyclictest3894590-21irqrtprio22:24:210
3599440992514,10cyclictest4138631-40ogrotate00:40:010
359944099248,11cyclictest3924734-21kthreadcore22:39:270
359944099237,1cyclictest0-21swapper/021:29:280
359944099235,12cyclictest0-21swapper/022:49:030
3599440992313,9cyclictest376-21systemd-journal20:05:000
359944099227,11cyclictest3934799-21switchtime22:44:320
359944099225,2cyclictest0-21swapper/000:20:280
3599440992211,4cyclictest3983240-21kernelversion23:14:230
3599441992111,2cyclictest82050irq/121-eno123:14:251
359944099218,12cyclictest0-21swapper/000:19:330
359944099215,9cyclictest3776399-21munin-run21:15:010
359944099215,2cyclictest0-21swapper/023:46:360
359944099215,2cyclictest0-21swapper/021:39:470
359944099215,11cyclictest0-21swapper/000:34:250
359944099214,11cyclictest0-21swapper/023:40:060
359944099212,12cyclictest0-21swapper/000:04:270
3599440992111,9cyclictest3917182-21switchtime22:34:320
3599440992111,9cyclictest3728156-21kthreadcore20:44:240
3599440992111,9cyclictest3627260-21kthreadcore19:29:250
3599440992111,9cyclictest3614716-21kthreadcore19:19:260
359944099210,4cyclictest3761255-21/usr/sbin/munin21:09:230
359944099210,4cyclictest3637627-21runrttasks19:39:200
2213291211,5phc2sys0-21swapper/319:09:013
359944099209,10cyclictest3701176-21kthreadcore20:24:240
359944099205,2cyclictest0-21swapper/022:00:110
359944099205,1cyclictest0-21swapper/021:45:420
359944099204,2cyclictest0-21swapper/023:35:040
359944099203,9cyclictest3885976-21kthreadcore22:19:250
359944099202,6cyclictest0-21swapper/000:06:130
359944099201,7cyclictest3603287-21tr19:14:250
3599440992014,5cyclictest0-21swapper/022:53:410
3599440992012,4cyclictest4062794-21kthreadcore23:59:290
3599440992011,8cyclictest3877098-21kthreadcore22:14:240
3599440992011,8cyclictest3694490-21kthreadcore20:19:230
3599440992010,9cyclictest3844049-21kthreadcore21:54:260
3599440992010,9cyclictest3790777-21kthreadcore21:24:240
3599440992010,9cyclictest3715118-21kthreadcore20:34:260
359944099200,7cyclictest1-21systemd22:30:010
359944099200,4cyclictest4087504-21rm00:13:290
2447398200,4rtkit-daemon1008-21gmain19:43:520
3599442991916,1cyclictest0-21swapper/222:59:202
359944199195,5cyclictest3863697-21ssh22:04:271
3599441991916,2cyclictest3767499-21diskmemload00:40:011
3599441991915,3cyclictest24615-21JS14:54:061
359944099199,9cyclictest3974007-21ssh23:09:230
359944099199,9cyclictest3974007-21ssh23:09:230
359944099199,9cyclictest3965313-21irqcore23:04:220
359944099199,9cyclictest3748937-21kthreadcore20:59:240
359944099199,9cyclictest3652047-21irqrtprio19:49:220
359944099195,2cyclictest0-21swapper/023:22:160
359944099194,2cyclictest0-21swapper/023:50:140
359944099194,2cyclictest0-21swapper/022:05:340
359944099194,2cyclictest0-21swapper/021:32:070
359944099191,6cyclictest0-21swapper/000:28:530
359944099191,4cyclictest3778327-21rm21:18:480
3599440991910,8cyclictest3667935-21kthreadcore19:59:250
3599440991910,8cyclictest3631479-21kthreadcore19:34:240
359944099190,7cyclictest3821357-21rm21:41:230
359944099190,6cyclictest3678442-21/usr/sbin/munin20:09:280
2213291190,4phc2sys0-21swapper/322:40:023
2213291190,2phc2sys0-21swapper/323:27:163
2213291190,2phc2sys0-21swapper/323:27:163
359944199187,3cyclictest0-21swapper/121:39:031
3599441991815,2cyclictest24610-21gmain23:39:051
3599441991814,3cyclictest3802726-21unin-run21:30:011
3599441991811,1cyclictest601rcuop/322:37:241
359944099189,8cyclictest3686832-21kthreadcore20:14:240
359944099188,9cyclictest3721533-21kthreadcore20:39:250
359944099186,11cyclictest3661051-21kthreadcore19:54:240
359944099185,4cyclictest3739816-21unixbench_singl20:49:320
359944099181,5cyclictest0-21swapper/022:55:350
3599440991810,7cyclictest3708720-21kthreadcore20:29:240
359944299172,9cyclictest0-21swapper/223:09:022
359944299172,9cyclictest0-21swapper/223:09:022
359944299172,12cyclictest39640832sleep223:04:012
3599442991714,1cyclictest0-21swapper/222:09:292
3599442991714,1cyclictest0-21swapper/221:59:262
3599442991714,1cyclictest0-21swapper/221:45:012
3599442991714,1cyclictest0-21swapper/219:54:412
3599442991714,1cyclictest0-21swapper/219:29:212
359944199178,3cyclictest501rcuop/219:44:351
359944199175,3cyclictest1-21systemd21:00:011
3599441991714,2cyclictest975-21in:imuxsock22:35:001
3599441991714,2cyclictest3698682-21systemd-run20:20:021
3599441991714,2cyclictest24610-21gmain22:29:571
3599441991713,3cyclictest3871738-21kthreadcore22:09:251
3599441991711,1cyclictest601rcuop/320:04:031
3599441991710,6cyclictest24615-21JS14:54:061
359944199170,3cyclictest3962878-21ssh23:01:251
359944099174,4cyclictest3754489-21aten_repower_po21:04:120
359944099170,2cyclictest3740554-21/usr/sbin/munin20:54:190
2213291171,7phc2sys0-21swapper/323:24:023
2213291171,5phc2sys0-21swapper/300:19:033
2213291170,2phc2sys0-21swapper/322:49:203
2213291170,2phc2sys0-21swapper/321:50:143
3599442991613,1cyclictest0-21swapper/221:39:222
3599442991613,1cyclictest0-21swapper/221:04:212
3599442991613,1cyclictest0-21swapper/220:39:282
3599442991613,1cyclictest0-21swapper/219:19:292
3599442991612,2cyclictest0-21swapper/200:29:232
3599442991610,2cyclictest0-21swapper/223:49:092
359944299160,8cyclictest0-21swapper/221:34:022
359944199169,1cyclictest501rcuop/221:20:451
359944199168,3cyclictest501rcuop/220:32:531
359944199168,1cyclictest191rcu_preempt22:21:481
359944199164,8cyclictest3523691-21kworker/u16:1+xprtiod22:50:121
3599441991613,2cyclictest975-21in:imuxsock19:35:411
3599441991613,2cyclictest3885403-21gltestperf22:19:211
3599441991613,2cyclictest24648-21gmain23:29:151
3599441991613,2cyclictest24648-21gmain23:29:151
3599441991612,3cyclictest4070995-21gltestperf00:04:231
3599441991612,3cyclictest3994335-21kthreadcore23:19:251
3599441991612,3cyclictest3608779-21kthreadcore19:15:041
3599441991610,2cyclictest3953476-21kworker/u16:2+xprtiod22:57:581
3599441991610,1cyclictest501rcuop/222:13:291
3599441991610,1cyclictest501rcuop/200:23:581
359944099164,4cyclictest3617686-21cut19:24:240
359944099164,3cyclictest778-21dbus-daemon19:10:020
2213291161,6phc2sys0-21swapper/321:14:013
2213291160,6phc2sys0-21swapper/323:59:423
2213291160,2phc2sys0-21swapper/323:46:313
2213291160,2phc2sys0-21swapper/321:26:053
359944299151,8cyclictest0-21swapper/222:54:032
359944299151,8cyclictest0-21swapper/222:39:042
3599442991512,1cyclictest0-21swapper/223:29:252
3599442991512,1cyclictest0-21swapper/223:29:252
3599442991512,1cyclictest0-21swapper/223:19:192
3599442991512,1cyclictest0-21swapper/223:14:252
3599442991512,1cyclictest0-21swapper/222:19:312
3599442991512,1cyclictest0-21swapper/221:49:102
3599442991512,1cyclictest0-21swapper/220:55:492
3599442991512,1cyclictest0-21swapper/220:34:252
3599442991512,1cyclictest0-21swapper/219:46:052
3599442991512,1cyclictest0-21swapper/219:24:272
3599442991511,2cyclictest0-21swapper/222:34:272
3599442991511,2cyclictest0-21swapper/221:19:192
3599442991511,2cyclictest0-21swapper/200:23:432
359944199159,1cyclictest501rcuop/221:53:131
359944199158,2cyclictest501rcuop/219:45:511
359944199158,1cyclictest501rcuop/223:34:151
359944199158,1cyclictest501rcuop/222:47:531
359944199158,1cyclictest501rcuop/221:10:471
359944199157,3cyclictest501rcuop/223:40:171
359944199157,3cyclictest501rcuop/219:52:451
359944199153,5cyclictest3794082-21kworker/u16:0+xprtiod21:59:221
359944199151,9cyclictest3636685-21systemd19:35:031
3599441991512,2cyclictest932-1atopacctd22:44:261
3599441991512,2cyclictest778-21dbus-daemon21:05:011
3599441991512,2cyclictest4126300-21kthreadcore00:34:251
3599441991512,2cyclictest3685655-21tr20:14:191
3599441991512,2cyclictest3605574-21needreboot19:14:271
3599441991511,3cyclictest3761935-21fschecks_time21:09:211
3599441991511,3cyclictest3735941-21kthreadcore20:49:251
3599441991511,3cyclictest3726037-21cron20:40:011
3599441991511,3cyclictest3711933-21switchtime20:29:291
3599441991511,3cyclictest3701772-21kthreadcore20:24:241
3599441991510,1cyclictest501rcuop/223:47:101
3599441991510,1cyclictest501rcuop/221:30:321
3599441991510,1cyclictest491rcuog/221:16:551
3599441991510,1cyclictest191rcu_preempt20:09:251
2213291150,3phc2sys0-21swapper/319:29:013
2213291150,2phc2sys0-21swapper/323:35:343
2213291150,2phc2sys0-21swapper/323:31:553
2213291150,2phc2sys0-21swapper/300:08:023
2213291150,1phc2sys0-21swapper/321:18:473
2213291150,1phc2sys0-21swapper/300:27:043
359944299143,6cyclictest0-21swapper/220:19:012
359944299142,6cyclictest0-21swapper/221:29:012
359944299141,7cyclictest0-21swapper/221:14:012
3599442991412,1cyclictest0-21swapper/222:00:032
3599442991411,1cyclictest0-21swapper/223:54:132
3599442991411,1cyclictest0-21swapper/223:39:242
3599442991411,1cyclictest0-21swapper/223:24:222
3599442991411,1cyclictest0-21swapper/222:49:252
3599442991411,1cyclictest0-21swapper/222:24:242
3599442991411,1cyclictest0-21swapper/222:10:092
3599442991411,1cyclictest0-21swapper/221:24:182
3599442991411,1cyclictest0-21swapper/220:54:192
3599442991411,1cyclictest0-21swapper/220:44:242
3599442991411,1cyclictest0-21swapper/220:29:182
3599442991411,1cyclictest0-21swapper/220:24:242
3599442991411,1cyclictest0-21swapper/220:04:242
3599442991411,1cyclictest0-21swapper/219:39:262
3599442991411,1cyclictest0-21swapper/200:34:192
3599442991411,1cyclictest0-21swapper/200:18:202
3599442991411,1cyclictest0-21swapper/200:14:262
3599442991411,1cyclictest0-21swapper/200:09:262
3599442991411,1cyclictest0-21swapper/200:04:212
3599442991411,1cyclictest0-21swapper/200:00:012
3599442991410,2cyclictest0-21swapper/220:09:252
3599442991410,2cyclictest0-21swapper/219:59:252
3599442991410,2cyclictest0-21swapper/200:39:242
359944199148,5cyclictest4033233-21kworker/u16:3-rpciod00:05:081
359944199148,1cyclictest501rcuop/221:43:181
359944199148,1cyclictest501rcuop/200:28:591
359944199148,1cyclictest501rcuop/200:17:161
359944199147,2cyclictest501rcuop/219:58:581
359944199144,9cyclictest3733062-21awk20:45:011
359944199143,8cyclictest4033233-21kworker/u16:3+xprtiod00:13:071
359944199142,1cyclictest191rcu_preempt23:55:431
359944199141,4cyclictest777-21avahi-daemon23:05:321
359944199141,4cyclictest777-21avahi-daemon23:05:321
3599441991411,2cyclictest810-21smartd20:54:131
3599441991410,1cyclictest560-21hwrng21:46:171
2213291141,3phc2sys0-21swapper/322:04:013
2213291140,3phc2sys0-21swapper/322:34:043
2213291140,3phc2sys0-21swapper/320:34:033
2213291140,3phc2sys0-21swapper/300:20:413
2213291140,2phc2sys0-21swapper/322:51:563
2213291140,2phc2sys0-21swapper/322:22:413
2213291140,2phc2sys0-21swapper/322:19:353
2213291140,2phc2sys0-21swapper/321:45:053
3599442991311,1cyclictest0-21swapper/220:50:022
3599442991310,1cyclictest0-21swapper/223:44:262
3599442991310,1cyclictest0-21swapper/223:30:472
3599442991310,1cyclictest0-21swapper/222:44:262
3599442991310,1cyclictest0-21swapper/222:29:252
3599442991310,1cyclictest0-21swapper/221:54:242
3599442991310,1cyclictest0-21swapper/220:14:232
3599442991310,1cyclictest0-21swapper/219:43:222
3599442991310,1cyclictest0-21swapper/219:14:122
359944299130,1cyclictest0-21swapper/219:34:022
35943572131,3sleep10-21swapper/119:09:231
2213291130,5phc2sys0-21swapper/322:14:023
2213291130,4phc2sys0-21swapper/300:34:023
2213291130,2phc2sys0-21swapper/323:42:273
2213291130,2phc2sys0-21swapper/323:11:533
2213291130,2phc2sys0-21swapper/322:05:453
2213291130,1phc2sys0-21swapper/319:14:503
3599441991210,1cyclictest3599438-21cyclictest19:29:191
2213291121,2phc2sys0-21swapper/321:25:013
2213291120,4phc2sys0-21swapper/319:19:023
2213291120,3phc2sys0-21swapper/323:07:143
2213291120,3phc2sys0-21swapper/323:07:143
2213291120,2phc2sys0-21swapper/320:14:273
2213291120,1phc2sys0-21swapper/319:33:103
359944299119,1cyclictest0-21swapper/221:06:212
2213291112,2phc2sys0-21swapper/322:40:423
2213291110,4phc2sys0-21swapper/320:39:033
2213291110,2phc2sys0-21swapper/319:48:213
2213291110,1phc2sys0-21swapper/321:00:203
2213291110,1phc2sys0-21swapper/320:16:033
2213291110,1phc2sys0-21swapper/320:05:133
2213291110,1phc2sys0-21swapper/300:12:453
2213291102,2phc2sys0-21swapper/320:24:253
2213291101,3phc2sys0-21swapper/319:39:023
2213291101,3phc2sys0-21swapper/300:40:023
2213291101,3phc2sys0-21swapper/300:00:553
2213291101,2phc2sys0-21swapper/323:54:303
2213291101,2phc2sys0-21swapper/323:00:063
2213291101,2phc2sys0-21swapper/321:34:563
2213291101,2phc2sys0-21swapper/320:04:213
2213291100,2phc2sys0-21swapper/323:19:023
2213291100,2phc2sys0-21swapper/322:59:263
2213291100,2phc2sys0-21swapper/322:26:033
2213291100,2phc2sys0-21swapper/321:57:363
2213291100,2phc2sys0-21swapper/321:10:023
2213291100,2phc2sys0-21swapper/320:54:313
2213291100,2phc2sys0-21swapper/320:40:353
2213291100,1phc2sys0-21swapper/321:44:053
2213291100,1phc2sys0-21swapper/320:46:413
221329191,3phc2sys0-21swapper/319:59:233
221329190,2phc2sys0-21swapper/320:59:573
221329190,2phc2sys0-21swapper/320:29:023
221329190,2phc2sys0-21swapper/319:40:573
221329190,1phc2sys0-21swapper/319:21:353
35994429974,1cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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