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2026-06-05 - 15:18
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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 Jun 05, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139626522200,3sleep30-21swapper/310:45:003
143328521540,1sleep30-21swapper/311:09:463
118589821140,2sleep01099339-21cyclictest08:19:430
143520221040,2sleep30-21swapper/311:12:423
12681302580,2sleep10-21swapper/109:21:081
11545992280,2sleep00-21swapper/007:54:430
1099342992622,3cyclictest1569590-21ssh12:40:021
1099342992522,2cyclictest1426699-21ssh11:05:011
1099341992414,6cyclictest1433453-21proc_pri11:09:470
1099343992320,1cyclictest0-21swapper/207:20:002
1099341992320,2cyclictest1127169-21systemd07:30:000
1099343992220,1cyclictest0-21swapper/211:40:022
1099343992219,1cyclictest0-21swapper/212:25:012
1099342992218,3cyclictest1252742-21grep09:10:011
109934199223,1cyclictest0-21swapper/010:24:420
1099341992211,6cyclictest0-21swapper/011:54:430
1099341992211,6cyclictest0-21swapper/011:00:000
1099341992211,6cyclictest0-21swapper/010:20:020
1099343992119,1cyclictest0-21swapper/212:10:012
1099343992118,1cyclictest0-21swapper/210:55:002
1099342992118,2cyclictest1366359-21/usr/sbin/munin10:25:011
1099342992118,2cyclictest1342973-21latency_hist10:09:591
1099342992118,2cyclictest1260328-21grep09:15:021
1099341992111,6cyclictest0-21swapper/012:05:010
2649091200,2phc2sys0-21swapper/309:35:233
1099343992018,1cyclictest0-21swapper/211:50:012
1099342992017,2cyclictest1-21systemd10:45:011
1099342992017,2cyclictest1202589-21sh08:30:011
1099342992017,2cyclictest1164729-21sh08:00:001
1099342992015,3cyclictest1513966-21kthreadcore12:04:431
109934199209,6cyclictest0-21swapper/010:04:360
109934199209,6cyclictest0-21swapper/008:00:010
1099341992012,4cyclictest1177827-21kworker/u16:3-rpciod10:27:410
1099341992011,5cyclictest0-21swapper/010:10:010
1099341992011,4cyclictest0-21swapper/009:20:010
1099341992010,5cyclictest0-21swapper/010:45:010
1099343991915,2cyclictest1418758-21turbostat11:00:012
1099342991916,2cyclictest1491968-21kthreadcore11:49:431
1099342991916,2cyclictest1441762-21latency_hist11:15:011
1099342991916,2cyclictest1373232-21mailstats10:29:481
1099342991916,2cyclictest1358705-21latency_hist10:20:021
1099342991916,2cyclictest1335388-21systemd-run10:05:011
1099342991914,2cyclictest134050irq/121-eno109:29:381
1099342991912,3cyclictest1376784-21irqrtprio10:34:441
1099341991916,2cyclictest1426380-21apt-key11:05:000
1099341991914,4cyclictest1554659-21latency_hist12:30:020
1099341991910,5cyclictest0-21swapper/011:19:440
1099341991910,4cyclictest0-21swapper/011:35:020
1099343991816,1cyclictest0-21swapper/207:15:032
1099343991815,1cyclictest0-21swapper/211:05:002
1099343991815,1cyclictest0-21swapper/210:23:202
1099343991815,1cyclictest0-21swapper/210:14:432
1099343991815,1cyclictest0-21swapper/210:05:012
109934299189,4cyclictest0-21swapper/112:19:381
109934299187,4cyclictest0-21swapper/109:34:371
1099342991815,2cyclictest3824565-21in:imuxsock12:24:551
1099342991815,2cyclictest1403784-21systemd10:50:001
1099342991815,2cyclictest1171242-21idleruntime-cro08:05:001
1099342991815,2cyclictest1114407-21apt-key07:20:001
1099342991814,2cyclictest1381204-21sh10:35:021
1099341991815,2cyclictest1531915-21systemd-run12:15:010
1099341991815,2cyclictest1183837-21cut08:15:010
1099341991815,2cyclictest0-21swapper/010:40:000
1099341991815,2cyclictest0-21swapper/007:20:000
1099341991810,5cyclictest1099339-21cyclictest12:19:440
2649091170,2phc2sys0-21swapper/312:27:023
2649091170,2phc2sys0-21swapper/311:56:133
2649091170,2phc2sys0-21swapper/310:09:303
1099343991715,1cyclictest0-21swapper/208:00:012
109934399171,4cyclictest0-21swapper/209:50:002
1099343991714,1cyclictest0-21swapper/212:40:002
1099343991714,1cyclictest0-21swapper/212:34:362
1099343991714,1cyclictest0-21swapper/212:30:002
1099343991714,1cyclictest0-21swapper/211:14:392
1099343991714,1cyclictest0-21swapper/211:09:502
1099343991714,1cyclictest0-21swapper/209:59:292
1099343991714,1cyclictest0-21swapper/209:59:292
1099343991714,1cyclictest0-21swapper/209:54:492
1099343991714,1cyclictest0-21swapper/209:45:012
1099343991714,1cyclictest0-21swapper/208:49:452
1099343991714,1cyclictest0-21swapper/208:49:452
1099343991714,1cyclictest0-21swapper/208:05:012
1099343991714,1cyclictest0-21swapper/207:30:002
109934299177,3cyclictest1413273-21cpu10:59:381
1099342991714,2cyclictest1350040-21grep10:14:451
1099342991714,2cyclictest1099339-21cyclictest11:10:011
1099342991713,3cyclictest1141046-21tail07:44:421
1099342991712,1cyclictest383433398rtkit-daemon12:08:591
1099342991710,3cyclictest1300322-21irqcore09:44:421
109934199179,7cyclictest0-21swapper/009:29:470
109934199173,3cyclictest1503510-21apt-get11:59:340
1099341991714,2cyclictest3851705-21mta-sts-daemon10:50:020
1099341991714,2cyclictest1147235-21gltestperf07:49:420
1099341991714,2cyclictest0-21swapper/011:15:020
1099341991713,2cyclictest0-21swapper/007:15:000
2649091160,2phc2sys0-21swapper/312:21:433
2649091160,2phc2sys0-21swapper/312:13:443
2649091160,2phc2sys0-21swapper/311:35:273
14463282160,2sleep30-21swapper/311:19:433
109934399163,2cyclictest15363402sleep212:19:442
1099343991613,1cyclictest0-21swapper/212:04:442
1099343991613,1cyclictest0-21swapper/211:59:202
1099343991613,1cyclictest0-21swapper/211:30:022
1099343991613,1cyclictest0-21swapper/210:50:022
1099343991613,1cyclictest0-21swapper/210:44:472
1099343991613,1cyclictest0-21swapper/210:40:012
1099343991613,1cyclictest0-21swapper/209:40:022
1099343991613,1cyclictest0-21swapper/209:29:202
1099343991613,1cyclictest0-21swapper/209:09:472
1099343991613,1cyclictest0-21swapper/208:24:432
1099343991613,1cyclictest0-21swapper/208:15:022
1099343991613,1cyclictest0-21swapper/207:55:012
1099343991612,2cyclictest1175875-21taskset08:09:442
1099342991613,2cyclictest1099339-21cyclictest12:29:431
1099342991613,2cyclictest0-21swapper/111:34:421
1099342991612,3cyclictest1509121-21unixbench_singl11:59:481
1099342991612,3cyclictest1099339-21cyclictest07:49:501
1099342991611,4cyclictest1099339-21cyclictest11:24:391
109934199169,6cyclictest0-21swapper/012:09:380
109934199169,5cyclictest0-21swapper/011:44:390
109934199169,3cyclictest1252529-21diskmemload12:36:130
109934199162,5cyclictest491rcuog/210:14:340
1099341991613,2cyclictest3834789-21rpcbind08:26:130
1099341991613,2cyclictest1292170-21tr09:39:370
1099341991613,2cyclictest1240143-21latency_hist09:00:010
1099341991613,2cyclictest1227832-21latency_hist08:50:010
1099341991613,2cyclictest1227832-21latency_hist08:50:010
1099341991613,2cyclictest1215289-21munin-plugin-st08:40:010
1099341991613,2cyclictest1171366-21systemd-run08:05:010
1099341991613,2cyclictest1099404-21sh07:10:010
1099341991612,2cyclictest3824565-21in:imuxsock09:05:010
1099341991610,3cyclictest1252529-21diskmemload09:44:370
2649091151,4phc2sys0-21swapper/309:24:373
2649091150,3phc2sys0-21swapper/311:48:453
2649091150,3phc2sys0-21swapper/309:19:363
1099343991513,1cyclictest0-21swapper/211:55:002
1099343991512,1cyclictest0-21swapper/209:31:222
1099343991512,1cyclictest0-21swapper/209:17:082
1099343991512,1cyclictest0-21swapper/208:58:162
1099343991512,1cyclictest0-21swapper/208:34:162
1099343991512,1cyclictest0-21swapper/207:44:392
1099343991512,1cyclictest0-21swapper/207:37:532
1099343991512,1cyclictest0-21swapper/207:35:002
109934299159,5cyclictest1105684-21munin-node08:49:261
109934299159,5cyclictest1105684-21munin-node08:49:261
109934299151,4cyclictest191rcu_preempt09:59:361
109934299151,4cyclictest191rcu_preempt09:59:361
1099342991512,2cyclictest1443351-21find11:19:351
1099342991512,2cyclictest1409837-21kthreadcore10:54:451
1099342991512,2cyclictest1326-21systemd-logind08:20:021
1099342991512,2cyclictest1228974-21gltestperf08:54:391
1099342991512,2cyclictest1221329-21latency_hist08:45:011
1099342991512,2cyclictest1191466-21gltestperf08:24:401
1099342991512,2cyclictest1099339-21cyclictest08:14:431
1099342991511,3cyclictest1460130-21kthreadcore11:29:441
1099342991511,3cyclictest1309925-21kthreadcore09:49:421
1099342991511,3cyclictest1294737-21kthreadcore09:39:431
1099342991511,3cyclictest1177018-21ptp4l08:09:481
109934199159,5cyclictest3834332-21rtkit-daemon07:33:270
109934199155,5cyclictest134050irq/121-eno108:54:430
109934199155,1cyclictest383433398rtkit-daemon11:46:100
109934199151,5cyclictest0-21swapper/012:32:140
1099341991512,2cyclictest3827634-1atopacctd07:40:530
1099341991512,2cyclictest1451145-21cpuspeed_turbos11:24:380
1099341991512,2cyclictest1411478-21latency_hist10:55:010
1099341991512,2cyclictest1308060-21sh09:49:400
1099341991512,2cyclictest1296-21polkitd10:35:010
1099341991512,2cyclictest1269919-21fschecks_time09:24:400
1099341991511,2cyclictest1209032-21munin-plugin-st08:35:010
1099341991510,1cyclictest1252529-21diskmemload11:26:180
2649091141,3phc2sys0-21swapper/309:59:373
2649091141,3phc2sys0-21swapper/309:59:363
2649091141,2phc2sys0-21swapper/311:28:343
2649091140,2phc2sys0-21swapper/311:50:093
2649091140,2phc2sys0-21swapper/310:47:283
2649091140,2phc2sys0-21swapper/309:31:423
2649091140,2phc2sys0-21swapper/307:54:413
2649091140,2phc2sys0-21swapper/307:10:313
13525462140,5sleep30-21swapper/310:19:353
1099343991412,1cyclictest0-21swapper/212:14:392
1099343991412,1cyclictest0-21swapper/211:44:382
1099343991412,1cyclictest0-21swapper/211:35:002
1099343991412,1cyclictest0-21swapper/210:30:012
1099343991412,1cyclictest0-21swapper/210:05:032
1099343991411,1cyclictest0-21swapper/209:14:442
1099343991411,1cyclictest0-21swapper/209:05:002
1099343991411,1cyclictest0-21swapper/208:39:442
1099343991411,1cyclictest0-21swapper/207:49:422
1099343991411,1cyclictest0-21swapper/207:24:482
1099343991410,2cyclictest0-21swapper/209:24:522
109934299147,6cyclictest3840937-21lldpd07:54:361
109934299147,2cyclictest0-21swapper/111:40:021
1099342991411,2cyclictest3851705-21mta-sts-daemon09:19:421
1099342991411,2cyclictest3851705-21mta-sts-daemon08:59:481
1099342991411,2cyclictest3851705-21mta-sts-daemon07:12:261
1099342991411,2cyclictest3851703-21mta-sts-daemon11:53:341
1099342991411,2cyclictest3851703-21mta-sts-daemon09:54:031
1099342991411,2cyclictest3851703-21mta-sts-daemon08:31:541
1099342991411,2cyclictest3851702-21mta-sts-daemon11:40:451
1099342991411,2cyclictest3827634-1atopacctd07:22:541
1099342991411,2cyclictest1561749-21unixbench_multi12:34:501
1099342991411,2cyclictest1326-21systemd-logind07:30:011
1099342991411,2cyclictest0-21swapper/107:10:011
1099342991410,3cyclictest1211099-21kthreadcore08:39:431
109934199143,6cyclictest0-21swapper/009:54:370
1099341991412,1cyclictest1109-21hwrng11:39:420
1099341991411,2cyclictest3851705-21mta-sts-daemon09:13:160
1099341991411,2cyclictest3851703-21mta-sts-daemon08:09:390
1099341991411,2cyclictest1322192-21cpuspeed_turbos09:59:380
1099341991411,2cyclictest1322192-21cpuspeed_turbos09:59:380
1099341991411,2cyclictest1134008-21acpi07:39:360
1099341991411,2cyclictest1120299-21processes07:24:480
2649091131,4phc2sys0-21swapper/308:24:363
2649091130,3phc2sys0-21swapper/308:19:363
2649091130,2phc2sys0-21swapper/310:29:503
2649091130,2phc2sys0-21swapper/310:23:533
2649091130,1phc2sys0-21swapper/307:41:093
1099343991311,1cyclictest0-21swapper/208:54:422
1099343991310,2cyclictest0-21swapper/210:17:332
1099343991310,1cyclictest0-21swapper/211:19:362
1099343991310,1cyclictest0-21swapper/208:44:502
1099343991310,1cyclictest0-21swapper/208:25:252
109934399130,3cyclictest13751532sleep210:33:372
109934399130,3cyclictest11840782sleep208:15:302
109934299134,1cyclictest383433398rtkit-daemon07:39:011
1099342991310,2cyclictest3851703-21mta-sts-daemon12:10:141
1099342991310,2cyclictest3824565-21in:imuxsock09:03:541
1099342991310,2cyclictest1129052-21kthreadcore07:34:461
109934199135,7cyclictest1248381-21tr09:09:420
1099341991310,2cyclictest3851705-21mta-sts-daemon09:30:430
1099341991310,2cyclictest1541130-21aten_repower_en12:24:350
1099341991310,2cyclictest1220704-21open_inodes08:44:460
1099341991310,2cyclictest1-21systemd08:20:540
2649091121,5phc2sys0-21swapper/308:34:373
2649091121,2phc2sys0-21swapper/312:16:293
2649091120,3phc2sys0-21swapper/312:06:273
2649091120,2phc2sys0-21swapper/310:58:053
2649091120,2phc2sys0-21swapper/309:47:393
2649091120,2phc2sys0-21swapper/309:01:143
2649091120,1phc2sys0-21swapper/312:35:033
2649091120,1phc2sys0-21swapper/310:31:103
2649091120,1phc2sys0-21swapper/308:00:203
2649091120,1phc2sys0-21swapper/307:55:113
2649091120,1phc2sys0-21swapper/307:49:583
14798862122,1sleep30-21swapper/311:41:213
1099343991210,1cyclictest0-21swapper/211:22:252
2649091111,2phc2sys0-21swapper/312:04:103
2649091111,2phc2sys0-21swapper/311:02:333
2649091111,2phc2sys0-21swapper/307:34:483
2649091110,3phc2sys0-21swapper/308:11:413
2649091110,2phc2sys0-21swapper/310:52:273
2649091110,1phc2sys0-21swapper/310:00:283
2649091110,1phc2sys0-21swapper/309:43:213
2649091110,1phc2sys0-21swapper/309:05:083
2649091110,1phc2sys0-21swapper/308:56:023
2649091110,1phc2sys0-21swapper/308:47:263
2649091110,1phc2sys0-21swapper/308:47:253
2649091101,2phc2sys0-21swapper/311:21:453
2649091101,2phc2sys0-21swapper/310:35:193
2649091101,2phc2sys0-21swapper/309:51:103
2649091101,2phc2sys0-21swapper/308:35:243
2649091101,2phc2sys0-21swapper/307:21:303
2649091101,1phc2sys0-21swapper/307:27:223
2649091100,2phc2sys0-21swapper/312:32:413
2649091100,2phc2sys0-21swapper/309:28:583
2649091100,2phc2sys0-21swapper/309:10:293
2649091100,2phc2sys0-21swapper/308:05:193
2649091100,2phc2sys0-21swapper/307:20:013
2649091100,1phc2sys0-21swapper/308:40:283
264909194,2phc2sys0-21swapper/308:50:443
264909190,2phc2sys0-21swapper/311:30:353
264909190,2phc2sys0-21swapper/310:10:183
264909190,2phc2sys0-21swapper/308:29:383
264909190,2phc2sys0-21swapper/307:39:363
264909190,2phc2sys0-21swapper/307:09:433
10993439985,1cyclictest0-21swapper/207:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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