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2026-03-31 - 04:22
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Tue Mar 31, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
412038621050,2sleep1341rcuc/120:00:001
9604821030,2sleep096047-21find22:01:230
405471299273,13cyclictest4059058-21tr19:11:190
4054713992623,2cyclictest4145699-21awk20:20:001
4054712992514,6cyclictest0-21swapper/023:20:020
2480362250,1sleep10-21swapper/123:44:291
4054713992320,2cyclictest14945-21systemd21:10:001
4054713992317,2cyclictest134050irq/121-eno123:11:251
4054712992320,2cyclictest4095326-21apt-key19:40:000
4054712992313,5cyclictest230490-21kthreadcore23:31:200
4054715992218,2cyclictest0-21swapper/222:46:162
4054713992214,3cyclictest205554-21kthreadcore23:16:181
4054715992118,1cyclictest0-21swapper/219:40:002
4054715992118,1cyclictest0-21swapper/219:20:012
4054713992118,2cyclictest1290-21dbus-daemon22:45:001
4054713992118,2cyclictest1290-21dbus-daemon19:10:021
4054713992111,1cyclictest191rcu_preempt19:36:111
4054712992118,2cyclictest270697-21awk00:00:000
2649091210,2phc2sys0-21swapper/300:12:553
4054713992017,2cyclictest16629-21irqcore21:11:181
4054713992013,3cyclictest234715-21if_enp1s023:36:171
4054712992014,5cyclictest27056-21kthreadcore21:16:200
4054712992010,6cyclictest0-21swapper/022:20:020
1601342200,1sleep1160136-21kthreadcore22:46:171
4054715991917,1cyclictest0-21swapper/222:00:022
4054715991916,1cyclictest0-21swapper/221:51:182
4054715991916,1cyclictest0-21swapper/221:11:252
4054715991916,1cyclictest0-21swapper/220:20:002
4054715991916,1cyclictest0-21swapper/200:26:102
4054713991916,2cyclictest97665-21cat22:05:001
4054713991916,2cyclictest1-21systemd23:50:011
4054713991916,2cyclictest0-21swapper/123:00:001
4054712991916,2cyclictest0-21swapper/022:30:020
405471299191,5cyclictest60776-21apt-get21:41:120
4054712991911,7cyclictest0-21swapper/000:30:000
2649091191,4phc2sys0-21swapper/321:41:123
4054715991815,1cyclictest0-21swapper/220:46:222
4054715991815,1cyclictest0-21swapper/219:15:002
405471599180,15cyclictest278613-21chrt00:05:032
405471399187,3cyclictest37856-21kworker/u16:2-events_power_efficient00:16:121
405471399183,7cyclictest38395-21telnet21:26:121
4054713991815,2cyclictest62201-21kthreadcore21:41:191
4054713991815,2cyclictest1296-21polkitd00:05:011
4054713991815,2cyclictest1296-21polkitd00:05:011
4054713991815,2cyclictest1290-21dbus-daemon22:20:021
4054713991815,2cyclictest1290-21dbus-daemon21:50:001
4054713991815,2cyclictest0-21swapper/100:30:001
4054713991810,3cyclictest0-21swapper/123:55:011
4054713991810,2cyclictest3827634-1atopacctd00:07:361
4054712991815,2cyclictest4171298-21cron20:40:000
4054712991815,2cyclictest323406-21true00:35:000
4054712991815,2cyclictest0-21swapper/023:05:000
4054712991812,5cyclictest4070450-21aten2.4-expect19:21:110
4054712991810,7cyclictest3851704-21mta-sts-daemon00:21:240
4054712991810,4cyclictest296898-21kthreadcore00:16:190
383433398180,5rtkit-daemon127596-21ssh22:24:441
2649091180,2phc2sys0-21swapper/321:13:093
4054715991715,1cyclictest0-21swapper/223:55:022
4054715991714,1cyclictest0-21swapper/223:30:002
4054715991714,1cyclictest0-21swapper/223:11:262
4054715991714,1cyclictest0-21swapper/222:26:202
4054715991714,1cyclictest0-21swapper/221:41:152
4054715991714,1cyclictest0-21swapper/221:21:162
4054715991714,1cyclictest0-21swapper/220:40:012
4054715991713,2cyclictest0-21swapper/222:51:232
405471599170,14cyclictest323602-21chrt00:35:012
405471599170,14cyclictest271032-21chrt00:00:022
405471599170,14cyclictest188465-21chrt23:05:022
405471599170,14cyclictest142948-21chrt22:34:562
405471599170,14cyclictest142948-21chrt22:34:562
405471399179,3cyclictest0-21swapper/123:25:021
405471399178,4cyclictest0-21swapper/122:35:001
405471399178,4cyclictest0-21swapper/122:35:001
405471399177,3cyclictest501rcuop/221:53:321
405471399177,3cyclictest501rcuop/221:32:241
4054713991715,1cyclictest3827634-1atopacctd19:15:011
4054713991715,1cyclictest1996-21runrttasks20:56:171
4054713991714,2cyclictest4054710-21cyclictest19:46:141
4054713991713,3cyclictest37856-21kworker/u16:2+nfsiod00:10:041
4054713991713,3cyclictest107245-21kthreadcore22:11:201
4054713991712,1cyclictest82689-21kworker/1:0+events_freezable22:26:121
405471299179,7cyclictest0-21swapper/022:50:020
405471299179,4cyclictest68422-21aten2.4-expect21:46:120
405471299178,5cyclictest0-21swapper/000:11:200
405471299177,6cyclictest250172-21irqrtprio23:46:180
405471299174,7cyclictest146255-21kthreadcore22:36:190
405471299174,7cyclictest0-21swapper/022:06:120
405471299171,6cyclictest0-21swapper/000:05:270
4054712991714,2cyclictest4153425-21cut20:26:170
4054712991714,2cyclictest4139464-21sh20:15:000
4054712991714,2cyclictest1290-21dbus-daemon21:10:000
4054712991714,2cyclictest0-21swapper/022:35:010
4054712991714,2cyclictest0-21swapper/022:35:010
4054712991714,2cyclictest0-21swapper/020:05:020
2649091171,3phc2sys0-21swapper/319:36:113
2649091170,2phc2sys0-21swapper/321:53:543
41401522160,2sleep30-21swapper/320:16:133
405471599169,5cyclictest4159940-21chrt20:31:152
4054715991614,1cyclictest0-21swapper/223:45:022
4054715991614,1cyclictest0-21swapper/222:25:012
4054715991614,1cyclictest0-21swapper/222:20:022
4054715991614,1cyclictest0-21swapper/222:07:002
4054715991614,1cyclictest0-21swapper/220:55:012
4054715991613,2cyclictest0-21swapper/223:46:132
4054715991613,1cyclictest0-21swapper/221:19:302
4054715991613,1cyclictest0-21swapper/221:00:012
4054715991612,2cyclictest4120347-21turbostat20:00:002
4054715991612,2cyclictest0-21swapper/221:46:232
4054715991612,1cyclictest0-21swapper/200:36:212
4054715991611,3cyclictest0-21swapper/220:26:242
405471599160,13cyclictest4152477-21taskset20:25:022
405471599160,13cyclictest4139438-21chrt20:14:562
405471599160,13cyclictest4127158-21taskset20:05:022
405471599160,13cyclictest233172-21chrt23:34:562
405471399169,6cyclictest3851705-21mta-sts-daemon23:02:361
405471399167,3cyclictest501rcuop/222:54:131
405471399167,3cyclictest501rcuop/222:36:411
405471399164,8cyclictest37856-21kworker/u16:2+xprtiod23:34:061
4054713991613,2cyclictest4171309-21latency_hist20:40:011
4054713991613,2cyclictest4069865-21latency_hist19:20:001
4054713991613,2cyclictest3827634-1atopacctd20:50:011
4054713991613,2cyclictest1296-21polkitd19:45:001
4054713991612,1cyclictest191rcu_preempt21:16:041
4054713991611,4cyclictest3851705-21mta-sts-daemon00:32:301
405471299168,7cyclictest4163389-21tr20:31:190
405471299168,5cyclictest3851702-21mta-sts-daemon21:59:370
405471299167,7cyclictest0-21swapper/023:51:110
405471299167,5cyclictest0-21swapper/019:20:000
405471299166,5cyclictest0-21swapper/023:26:170
405471299161,7cyclictest218235-21munin-run23:25:000
405471299161,4cyclictest127750-21munin-run22:25:010
4054712991613,2cyclictest4082511-21idleruntime-cro19:30:000
4054712991613,2cyclictest1996-21runrttasks21:10:430
4054712991613,2cyclictest176470-21kthreadcore22:56:190
4054712991613,2cyclictest1290-21dbus-daemon20:50:010
4054712991613,2cyclictest1-21systemd00:03:480
4054712991613,2cyclictest1-21systemd00:03:480
4054712991613,2cyclictest112792-21sh22:15:010
4054712991612,3cyclictest3827634-1atopacctd00:35:030
2649091161,3phc2sys0-21swapper/300:19:463
2649091160,4phc2sys0-21swapper/300:21:573
405471599151,4cyclictest0-21swapper/219:50:002
4054715991513,1cyclictest0-21swapper/223:36:162
4054715991513,1cyclictest0-21swapper/222:01:182
4054715991513,1cyclictest0-21swapper/220:41:182
4054715991512,1cyclictest0-21swapper/223:16:232
4054715991512,1cyclictest0-21swapper/222:40:312
4054715991512,1cyclictest0-21swapper/222:11:252
4054715991512,1cyclictest0-21swapper/221:31:232
4054715991512,1cyclictest0-21swapper/200:21:182
4054715991512,1cyclictest0-21swapper/200:15:002
4054715991511,2cyclictest0-21swapper/222:39:202
405471599150,13cyclictest278283-21chrt00:04:592
405471599150,13cyclictest278283-21chrt00:04:592
405471599150,12cyclictest60039-21chrt21:39:562
405471599150,12cyclictest4190405-21chrt20:55:032
405471599150,12cyclictest4114148-21taskset19:55:002
405471599150,12cyclictest4088861-21chrt19:35:002
405471599150,12cyclictest4076219-21taskset19:24:592
405471599150,12cyclictest180626-21taskset22:59:572
405471599150,12cyclictest14883-21chrt21:09:582
405471399159,5cyclictest3851705-21mta-sts-daemon23:28:141
405471399159,2cyclictest501rcuop/200:35:181
405471399159,1cyclictest601rcuop/321:36:051
405471399158,1cyclictest601rcuop/300:23:231
405471399157,3cyclictest501rcuop/222:05:471
405471399155,3cyclictest501rcuop/223:06:391
405471399151,4cyclictest4158552-21apt-get20:30:001
4054713991512,2cyclictest4163209-21kthreadcore20:31:191
4054713991512,2cyclictest4073045-21kthreadcore19:21:181
4054713991512,2cyclictest4054710-21cyclictest20:06:211
4054713991512,2cyclictest4054710-21cyclictest00:00:011
4054713991512,2cyclictest3851702-21mta-sts-daemon19:51:251
4054713991512,2cyclictest31747-21irqcore21:21:181
4054713991512,2cyclictest0-21swapper/121:05:001
4054713991512,2cyclictest0-21swapper/120:05:011
405471299157,2cyclictest0-21swapper/021:21:180
405471299155,2cyclictest0-21swapper/022:51:190
405471299152,2cyclictest59176-21ssh21:37:170
4054712991512,2cyclictest4140956-21irqrtprio20:16:170
4054712991512,2cyclictest4133416-21systemd-run20:10:020
4054712991512,2cyclictest4097975-21kthreadcore19:41:180
4054712991512,2cyclictest4054710-21cyclictest20:51:130
4054712991512,2cyclictest3851875-21systemd-journal19:10:020
4054712991512,2cyclictest3827634-1atopacctd19:46:130
4054712991512,2cyclictest243039-21kthreadcore23:41:190
4054712991512,2cyclictest199590-21kthreadcore23:11:200
4054712991512,2cyclictest189613-21gltestperf23:06:160
4054712991512,2cyclictest0-21swapper/021:35:010
4054712991512,2cyclictest0-21swapper/020:00:000
405471299151,13cyclictest8658-21basename21:05:000
4054712991511,3cyclictest154974-21kthreadcore22:41:200
383433398150,10rtkit-daemon235189-21irqstats23:36:190
2649091150,3phc2sys0-21swapper/321:26:333
2649091150,2phc2sys0-21swapper/323:27:253
4054715991412,1cyclictest0-21swapper/223:01:182
4054715991412,1cyclictest0-21swapper/219:10:022
4054715991411,1cyclictest0-21swapper/221:26:202
4054715991411,1cyclictest0-21swapper/219:26:252
4054715991411,1cyclictest0-21swapper/200:16:132
405471599140,12cyclictest218163-21chrt23:24:582
405471399145,3cyclictest501rcuop/219:25:441
405471399144,3cyclictest501rcuop/220:40:261
4054713991412,1cyclictest4152287-21munin-run20:25:011
4054713991411,2cyclictest83364-21aten_repower_cu21:56:131
4054713991411,2cyclictest4185418-21irqrtprio20:51:171
4054713991411,2cyclictest4133628-21aten_repower_en20:11:121
405471299149,4cyclictest4061340-21munin-node19:54:140
405471299148,5cyclictest3851704-21mta-sts-daemon21:50:370
405471299148,4cyclictest4086114-21tr19:31:190
405471299148,2cyclictest383433398rtkit-daemon20:56:570
4054712991411,2cyclictest4173913-21kthreadcore20:41:190
4054712991410,3cyclictest40280-21kthreadcore21:26:180
2649091144,5phc2sys0-21swapper/321:36:123
2649091141,3phc2sys0-21swapper/320:51:173
2649091141,3phc2sys0-21swapper/319:51:103
2649091140,2phc2sys0-21swapper/322:43:593
2649091140,2phc2sys0-21swapper/322:30:133
2649091140,2phc2sys0-21swapper/322:30:133
2649091140,1phc2sys0-21swapper/323:02:123
4054715991311,1cyclictest0-21swapper/220:06:182
405471599130,11cyclictest41015462sleep219:44:582
4054713991310,2cyclictest4083622-21gltestperf19:31:151
4054712991310,2cyclictest0-21swapper/020:21:150
2649091131,2phc2sys0-21swapper/323:21:083
2649091130,4phc2sys0-21swapper/323:14:393
2649091130,2phc2sys0-21swapper/323:18:193
2649091130,2phc2sys0-21swapper/322:51:583
2649091130,2phc2sys0-21swapper/321:34:343
2649091130,2phc2sys0-21swapper/300:37:583
2649091130,2phc2sys0-21swapper/300:29:023
750402120,5sleep30-21swapper/321:49:533
375362120,2sleep30-21swapper/321:24:543
2649091127,1phc2sys0-21swapper/322:15:423
2649091123,1phc2sys0-21swapper/323:39:553
2649091121,4phc2sys0-21swapper/322:36:513
2649091120,5phc2sys0-21swapper/322:06:123
2649091120,2phc2sys0-21swapper/321:01:073
2649091120,2phc2sys0-21swapper/319:47:403
2649091120,2phc2sys0-21swapper/319:16:523
2649091120,1phc2sys0-21swapper/322:58:113
2649091120,1phc2sys0-21swapper/322:45:243
3230922110,3sleep30-21swapper/300:34:193
2649091112,2phc2sys0-21swapper/319:40:363
2649091111,2phc2sys0-21swapper/323:51:103
2649091111,2phc2sys0-21swapper/322:30:013
2649091111,2phc2sys0-21swapper/320:01:163
2649091111,2phc2sys0-21swapper/319:56:193
2649091110,4phc2sys0-21swapper/323:57:243
2649091110,3phc2sys0-21swapper/320:06:133
2649091110,2phc2sys0-21swapper/321:16:183
2649091110,1phc2sys0-21swapper/321:05:563
2649091110,1phc2sys0-21swapper/320:56:503
2649091110,1phc2sys0-21swapper/320:39:423
2649091110,1phc2sys0-21swapper/320:27:043
2649091110,1phc2sys0-21swapper/319:14:233
2649091103,3phc2sys0-21swapper/319:06:173
2649091102,2phc2sys0-21swapper/322:12:183
2649091101,2phc2sys0-21swapper/323:06:173
2649091101,2phc2sys0-21swapper/322:21:283
2649091101,2phc2sys0-21swapper/320:21:193
2649091100,3phc2sys0-21swapper/300:00:123
2649091100,3phc2sys0-21swapper/300:00:123
2649091100,2phc2sys0-21swapper/323:47:413
2649091100,2phc2sys0-21swapper/320:44:393
2649091100,1phc2sys0-21swapper/323:41:043
278664296,1sleep30-21swapper/300:05:173
264909191,2phc2sys0-21swapper/322:01:123
264909191,2phc2sys0-21swapper/321:55:063
264909191,2phc2sys0-21swapper/320:32:253
264909190,3phc2sys0-21swapper/320:50:003
264909190,2phc2sys0-21swapper/323:30:223
264909190,2phc2sys0-21swapper/320:11:183
264909190,2phc2sys0-21swapper/319:31:263
264909190,2phc2sys0-21swapper/319:22:173
264909180,2phc2sys0-21swapper/319:25:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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