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2026-08-30 - 13:25
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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 Sun Aug 30, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99774021030,1sleep1997744-21cut22:14:531
7458622260,2sleep0745865-21kthreadcore19:29:540
7458622260,2sleep0745865-21kthreadcore19:29:540
7427882260,2sleep20-21swapper/219:24:592
71957599222,2cyclictest82050irq/121-eno122:46:391
71957499229,7cyclictest0-21swapper/023:44:310
71957499225,2cyclictest0-21swapper/023:59:300
719576992017,1cyclictest0-21swapper/222:18:372
719575992010,4cyclictest501rcuop/200:19:291
71957499209,7cyclictest0-21swapper/023:55:010
7651482190,1sleep1765147-21hddtemp_smartct19:44:501
719576991916,1cyclictest0-21swapper/200:07:372
719575991915,3cyclictest1177059-21kthreadcore23:54:551
719575991914,4cyclictest24617-21JS14:54:061
719575991911,3cyclictest1107275-21kthreadcore23:14:561
719574991913,2cyclictest17850irq/132-ahci[0000:00:17.0]19:55:010
71957499190,17cyclictest1001220-21kthreadcore22:14:550
2213291190,3phc2sys0-21swapper/323:14:403
2213291190,2phc2sys0-21swapper/321:41:413
71957699181,8cyclictest0-21swapper/222:39:312
719576991815,1cyclictest0-21swapper/222:27:542
71957599189,4cyclictest82050irq/121-eno121:27:161
71957599189,2cyclictest191rcu_preempt21:59:291
71957599184,9cyclictest1128513-21sh23:29:051
719575991815,2cyclictest792687-21cut20:04:491
719575991815,2cyclictest1259084-21vmstat00:40:011
719575991812,2cyclictest82050irq/121-eno123:24:551
719575991811,3cyclictest1199904-21cstates00:09:451
71957499189,3cyclictest923302-21kworker/u16:2-events_unbound22:26:430
71957499188,6cyclictest0-21swapper/021:40:020
71957499188,5cyclictest0-21swapper/023:50:020
71957499187,6cyclictest0-21swapper/022:40:000
71957499187,6cyclictest0-21swapper/000:34:520
71957499187,5cyclictest0-21swapper/021:19:300
2213291181,2phc2sys0-21swapper/323:49:053
2213291180,3phc2sys0-21swapper/300:08:443
719576991715,1cyclictest0-21swapper/200:19:532
719576991714,1cyclictest0-21swapper/223:19:372
719576991714,1cyclictest0-21swapper/223:07:092
719576991714,1cyclictest0-21swapper/222:43:472
719576991714,1cyclictest0-21swapper/221:56:572
719576991714,1cyclictest0-21swapper/221:47:592
719576991714,1cyclictest0-21swapper/221:35:012
719576991714,1cyclictest0-21swapper/220:40:012
719575991714,2cyclictest977-21rs:main1
719575991714,2cyclictest798-21mta-sts-daemon21:14:501
719575991714,2cyclictest61901-21gmain23:30:151
719575991714,2cyclictest1228780-21kthreadcore00:24:531
719575991713,3cyclictest719572-21cyclictest20:54:511
71957499179,3cyclictest0-21swapper/022:18:510
71957499176,6cyclictest0-21swapper/021:15:020
71957499174,8cyclictest951330-21sshd-session21:48:290
71957499172,8cyclictest0-21swapper/000:04:310
719574991713,3cyclictest24617-21JS14:54:060
719574991712,1cyclictest601rcuop/319:34:400
719574991712,1cyclictest601rcuop/319:34:400
71957499170,9cyclictest931391-21ps21:34:570
2213391170,1ptp4l0-21swapper/319:15:003
2213391170,1ptp4l0-21swapper/319:15:003
2213291170,2phc2sys0-21swapper/323:54:453
71957699162,6cyclictest0-21swapper/220:19:302
71957699161,6cyclictest10755952sleep222:59:332
719576991613,1cyclictest0-21swapper/223:49:522
719576991613,1cyclictest0-21swapper/222:34:532
719576991613,1cyclictest0-21swapper/222:09:242
719576991613,1cyclictest0-21swapper/200:04:492
71957599168,3cyclictest0-21swapper/100:15:021
71957599167,4cyclictest0-21swapper/122:04:521
71957599167,3cyclictest501rcuop/222:53:591
719575991613,2cyclictest376-21systemd-journal20:35:011
719575991613,2cyclictest1023392-21gltestperf22:29:491
719575991612,4cyclictest832831-21kworker/u16:0-rpciod22:22:361
719575991612,3cyclictest932-1atopacctd00:29:541
719575991612,3cyclictest820218-21cstates20:25:031
719575991612,3cyclictest775408-21kthreadcore19:49:531
719575991612,3cyclictest745495-21kthreadcore19:29:531
719575991612,3cyclictest745495-21kthreadcore19:29:531
719575991612,3cyclictest732453-21kthreadcore19:19:521
719575991612,3cyclictest24615-21JS14:54:061
719575991612,3cyclictest1157639-21kthreadcore23:44:531
719575991610,2cyclictest82050irq/121-eno122:56:271
71957499169,1cyclictest978317-21ssh22:04:300
71957499166,5cyclictest0-21swapper/000:35:050
71957499164,7cyclictest1106194-21tr23:14:550
719574991613,2cyclictest932-1atopacctd20:20:000
719574991613,2cyclictest860385-21runrttasks20:50:020
719574991613,2cyclictest778-21dbus-daemon23:00:010
719574991613,2cyclictest1223577-21idleruntime-cro00:20:010
71957499161,10cyclictest0-21swapper/022:07:360
719574991610,4cyclictest877768-21tr21:04:540
2213291161,4phc2sys0-21swapper/300:34:303
2213291161,3phc2sys0-21swapper/321:59:293
2213291160,5phc2sys0-21swapper/323:59:303
2213291160,3phc2sys0-21swapper/322:31:443
71957699153,2cyclictest0-21swapper/220:55:302
71957699153,1cyclictest0-21swapper/223:22:222
71957699153,1cyclictest0-21swapper/222:13:432
719576991512,1cyclictest0-21swapper/223:56:232
719576991512,1cyclictest0-21swapper/223:54:132
719576991512,1cyclictest0-21swapper/223:40:292
719576991512,1cyclictest0-21swapper/223:39:572
719576991512,1cyclictest0-21swapper/223:31:092
719576991512,1cyclictest0-21swapper/223:29:472
719576991512,1cyclictest0-21swapper/222:24:282
719576991512,1cyclictest0-21swapper/222:05:012
719576991512,1cyclictest0-21swapper/221:43:202
719576991512,1cyclictest0-21swapper/221:39:312
719576991512,1cyclictest0-21swapper/220:25:032
719576991512,1cyclictest0-21swapper/220:09:092
719576991512,1cyclictest0-21swapper/219:27:542
719576991512,1cyclictest0-21swapper/219:27:542
719576991512,1cyclictest0-21swapper/219:15:012
719576991512,1cyclictest0-21swapper/219:15:012
719576991512,1cyclictest0-21swapper/200:39:312
719576991512,1cyclictest0-21swapper/200:25:282
719576991512,1cyclictest0-21swapper/200:12:282
719576991511,2cyclictest0-21swapper/220:00:212
71957599158,6cyclictest491rcuog/220:44:481
71957599158,5cyclictest761555-21tr19:39:541
71957599158,3cyclictest912275-21kthreadcore21:24:531
71957599158,3cyclictest887795-21diskmemload22:35:441
71957599157,2cyclictest887795-21diskmemload22:05:041
71957599155,9cyclictest351ktimers/122:44:091
71957599154,6cyclictest1011473-21kworker/u16:3+xprtiod23:58:421
71957599153,6cyclictest832831-21kworker/u16:0+xprtiod23:07:051
719575991512,2cyclictest719598-21timedrift19:10:011
719575991512,2cyclictest1149212-21kthreadcore23:39:531
719575991511,3cyclictest944475-21irqrtprio21:44:521
719575991511,3cyclictest879779-21kthreadcore21:04:551
719575991511,3cyclictest857065-21kthreadcore20:49:541
719575991511,3cyclictest816872-21kthreadcore20:19:561
719575991511,3cyclictest806763-21irqcore20:14:511
719575991511,3cyclictest801931-21kthreadcore20:09:521
719575991511,3cyclictest737821-21irqcore19:24:511
719575991511,3cyclictest721673-21irqrtprio19:14:521
719575991511,3cyclictest721673-21irqrtprio19:14:521
719575991511,3cyclictest1194940-21kthreadcore00:04:541
719575991511,3cyclictest1089660-21kthreadcore23:04:541
719575991511,3cyclictest1036490-21kthreadcore22:34:531
719575991511,3cyclictest1009153-21kthreadcore22:19:541
719575991511,1cyclictest191rcu_preempt23:49:071
71957499159,4cyclictest0-21swapper/021:24:530
71957499159,2cyclictest17850irq/132-ahci[0000:00:17.0]20:05:010
71957499158,2cyclictest0-21swapper/000:09:550
71957499157,7cyclictest24619-21llvmpipe-120:06:590
71957499156,5cyclictest0-21swapper/000:25:020
71957499156,4cyclictest0-21swapper/021:45:020
71957499154,6cyclictest0-21swapper/021:55:290
71957499151,9cyclictest0-21swapper/022:24:540
71957499151,2cyclictest0-21swapper/023:24:450
719574991512,2cyclictest882732-21irqrtprio21:09:520
719574991512,2cyclictest850436-21kthreadcore20:44:530
719574991512,2cyclictest811451-21sendmail_mailqu20:14:570
719574991512,2cyclictest1058261-21cpuspeed_turbos22:49:470
719574991510,4cyclictest769152-21tr19:44:540
719574991510,4cyclictest732014-21tr19:19:520
719574991510,4cyclictest24610-21gmain22:44:090
71957499150,11cyclictest0-21swapper/022:34:440
2213291151,8phc2sys0-21swapper/319:29:323
2213291151,8phc2sys0-21swapper/319:29:323
2213291150,3phc2sys0-21swapper/322:00:243
2213291150,2phc2sys0-21swapper/322:40:433
2213291150,2phc2sys0-21swapper/321:27:373
2213291150,2phc2sys0-21swapper/319:53:103
2213291150,1phc2sys0-21swapper/300:37:273
71957699143,1cyclictest0-21swapper/200:23:512
719576991412,1cyclictest0-21swapper/223:10:472
719576991412,1cyclictest0-21swapper/220:25:092
719576991412,1cyclictest0-21swapper/219:45:032
719576991411,1cyclictest0-21swapper/223:02:332
719576991411,1cyclictest0-21swapper/222:53:562
719576991411,1cyclictest0-21swapper/222:49:532
719576991411,1cyclictest0-21swapper/221:27:392
719576991411,1cyclictest0-21swapper/221:20:492
719576991411,1cyclictest0-21swapper/221:18:032
719576991411,1cyclictest0-21swapper/221:09:592
719576991411,1cyclictest0-21swapper/221:04:322
719576991411,1cyclictest0-21swapper/220:54:462
719576991411,1cyclictest0-21swapper/220:49:532
719576991411,1cyclictest0-21swapper/220:14:542
719576991411,1cyclictest0-21swapper/219:51:092
719576991411,1cyclictest0-21swapper/219:34:302
719576991411,1cyclictest0-21swapper/219:34:302
71957699140,2cyclictest0-21swapper/219:37:182
71957599147,5cyclictest1249751-21sensors_fan00:34:581
71957599141,8cyclictest819728-21cron20:25:001
719575991411,2cyclictest964497-21kthreadcore21:54:541
719575991411,2cyclictest935186-21idleruntime21:39:511
719575991411,2cyclictest870834-21kthreadcore20:59:531
719575991411,2cyclictest783411-21kthreadcore19:54:531
719575991411,2cyclictest751192-21fschecks_time19:34:481
719575991411,2cyclictest751192-21fschecks_time19:34:481
719575991410,3cyclictest883738-21kthreadcore21:09:531
719575991410,3cyclictest842041-21kthreadcore20:39:501
71957499149,4cyclictest840594-21cut20:39:460
71957499148,5cyclictest832831-21kworker/u16:0-nfsiod22:55:010
71957499148,4cyclictest861302-21cstates20:54:460
71957499148,4cyclictest82050irq/121-eno123:37:440
71957499148,4cyclictest82050irq/121-eno123:01:390
71957499148,3cyclictest887795-21diskmemload23:33:550
71957499146,6cyclictest376-21systemd-journal21:52:290
71957499145,1cyclictest0-21swapper/000:29:540
719574991411,2cyclictest914921-21sh21:25:500
719574991411,2cyclictest820157-21systemd-run20:25:030
719574991411,2cyclictest771283-21aten_repower_cu19:49:310
719574991410,3cyclictest24619-21llvmpipe-123:06:590
71957499140,9cyclictest825681-21grep20:25:120
71957499140,6cyclictest1117102-21switchtime23:19:590
2213291140,4phc2sys0-21swapper/320:49:303
2213291140,2phc2sys0-21swapper/322:46:303
2213291140,2phc2sys0-21swapper/321:30:593
2213291140,2phc2sys0-21swapper/320:04:003
2213291140,2phc2sys0-21swapper/300:23:563
71957699132,2cyclictest0-21swapper/220:40:192
71957699132,2cyclictest0-21swapper/219:49:132
719576991311,1cyclictest0-21swapper/220:00:032
719576991311,1cyclictest0-21swapper/219:15:032
719576991310,1cyclictest0-21swapper/221:50:442
719576991310,1cyclictest0-21swapper/221:11:442
719576991310,1cyclictest0-21swapper/220:34:502
719575991310,2cyclictest926253-21fschecks_time21:34:501
719575991310,2cyclictest719918-21kworker/u16:3-events_unbound20:00:021
71957499133,5cyclictest0-21swapper/020:59:310
719574991310,2cyclictest759991-21kthreadcore19:39:530
719574991310,2cyclictest726264-21sendmail_mailqu19:14:580
719574991310,2cyclictest726264-21sendmail_mailqu19:14:580
719574991310,2cyclictest1207754-21sh00:13:280
719574991310,2cyclictest1128771-21aten_repower_cu23:29:290
71957499130,8cyclictest738385-21cut19:24:520
71957499130,8cyclictest713510-21/usr/sbin/munin19:10:020
2213291130,5phc2sys0-21swapper/323:44:313
2213291130,5phc2sys0-21swapper/320:14:303
2213291130,3phc2sys0-21swapper/322:20:023
2213291130,3phc2sys0-21swapper/321:18:413
2213291130,3phc2sys0-21swapper/321:07:253
2213291130,2phc2sys0-21swapper/323:06:363
2213291130,2phc2sys0-21swapper/321:53:433
2213291130,1phc2sys0-21swapper/322:09:243
2213291130,1phc2sys0-21swapper/320:59:563
719576991210,1cyclictest0-21swapper/200:30:032
2213291124,3phc2sys0-21swapper/323:28:313
2213291124,2phc2sys0-21swapper/323:33:333
2213291121,4phc2sys0-21swapper/323:04:303
2213291121,2phc2sys0-21swapper/323:21:473
2213291120,4phc2sys0-21swapper/321:14:303
2213291120,3phc2sys0-21swapper/321:46:183
2213291120,3phc2sys0-21swapper/319:49:303
2213291120,2phc2sys0-21swapper/322:50:363
2213291120,2phc2sys0-21swapper/322:24:153
2213291120,2phc2sys0-21swapper/321:37:233
2213291120,2phc2sys0-21swapper/319:23:563
2213291120,2phc2sys0-21swapper/300:18:313
71957499119,1cyclictest24472-21rtkit-daemon19:55:370
2213291111,2phc2sys0-21swapper/321:24:563
2213291111,2phc2sys0-21swapper/320:25:093
2213291111,2phc2sys0-21swapper/320:15:323
2213291110,3phc2sys0-21swapper/319:09:293
2213291110,2phc2sys0-21swapper/320:09:303
2213291110,2phc2sys0-21swapper/300:13:023
2213291110,1phc2sys0-21swapper/320:43:013
2213291110,1phc2sys0-21swapper/319:55:203
2213291104,2phc2sys0-21swapper/319:34:543
2213291104,2phc2sys0-21swapper/319:34:543
2213291101,2phc2sys0-21swapper/322:55:093
2213291101,2phc2sys0-21swapper/320:55:033
2213291101,2phc2sys0-21swapper/300:02:403
2213291101,1phc2sys0-21swapper/319:36:363
2213291100,2phc2sys0-21swapper/323:36:583
2213291100,2phc2sys0-21swapper/323:19:593
2213291100,2phc2sys0-21swapper/322:27:233
2213291100,2phc2sys0-21swapper/322:10:203
2213291100,2phc2sys0-21swapper/320:22:453
2213291100,2phc2sys0-21swapper/319:19:533
2213291100,1phc2sys0-21swapper/300:27:013
221329191,2phc2sys0-21swapper/322:36:093
221329191,2phc2sys0-21swapper/320:39:523
221329190,2phc2sys0-21swapper/321:04:563
221329190,2phc2sys0-21swapper/320:34:563
221329190,1phc2sys0-21swapper/319:41:013
7195769981,3cyclictest0-21swapper/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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