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2025-12-31 - 18:09
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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 Wed Dec 31, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40297521520,1sleep1402979-21kthreadcore09:08:191
64177921000,1sleep10-21swapper/111:22:331
5245062300,1sleep1524504-21sshd10:17:121
7737292270,2sleep20-21swapper/212:33:322
25814799261,5cyclictest291481-21apt-get07:38:130
258148992421,2cyclictest369690-21munin-run08:40:001
5415192210,2sleep30-21swapper/310:25:443
2649091210,2phc2sys0-21swapper/310:17:263
258149992116,2cyclictest0-21swapper/207:18:242
258148992114,3cyclictest637641-21kthreadcore11:18:211
258148992113,3cyclictest0-21swapper/111:30:011
258147992113,7cyclictest1296-21polkitd09:40:010
2902298200,3rtkit-daemon264281-21munin-node10:04:401
258149992011,6cyclictest0-21swapper/211:10:022
258148992014,2cyclictest567762-21/usr/sbin/munin10:40:011
258148992012,2cyclictest688228-21if_enp1s011:48:171
258147992017,2cyclictest703051-21cut11:55:020
258147992011,5cyclictest0-21swapper/009:25:000
2902298190,4rtkit-daemon2016-21snmpd12:33:180
2649091190,2phc2sys0-21swapper/310:51:433
258149991916,1cyclictest0-21swapper/212:00:012
258148991916,2cyclictest284606-21cut07:30:011
258148991910,4cyclictest0-21swapper/111:10:021
25814799199,5cyclictest0-21swapper/012:15:010
25814799199,5cyclictest0-21swapper/012:15:010
25814799199,5cyclictest0-21swapper/010:58:170
25814799198,6cyclictest0-21swapper/009:18:140
258147991916,2cyclictest0-21swapper/011:50:020
25814799191,13cyclictest471413-21apt-get09:48:120
25814799190,14cyclictest0-21swapper/007:50:010
2902298180,5rtkit-daemon513566-21ssh10:09:381
2649091181,3phc2sys0-21swapper/309:51:053
258149991815,1cyclictest0-21swapper/212:30:002
258149991815,1cyclictest0-21swapper/210:08:202
258149991815,1cyclictest0-21swapper/209:38:212
258149991814,2cyclictest0-21swapper/211:35:012
258149991811,4cyclictest0-21swapper/207:23:122
258148991815,2cyclictest696466-21cpu11:53:151
258148991811,3cyclictest753425-21kthreadcore12:23:191
258148991810,3cyclictest0-21swapper/112:03:191
25814799189,5cyclictest626402-21kthreadcore11:13:210
25814799189,5cyclictest0-21swapper/011:33:210
25814799188,5cyclictest0-21swapper/009:28:200
258147991815,2cyclictest321252-21systemd-run08:00:000
258147991812,2cyclictest0-21swapper/009:10:380
258147991810,4cyclictest321855-21tail08:03:140
3879042170,2sleep20-21swapper/208:55:012
2649091170,2phc2sys0-21swapper/309:11:473
2649091170,1phc2sys0-21swapper/310:59:163
2649091170,1phc2sys0-21swapper/309:55:473
25814999172,9cyclictest0-21swapper/211:50:022
258149991715,1cyclictest0-21swapper/210:13:232
258149991714,1cyclictest0-21swapper/211:39:552
258149991714,1cyclictest0-21swapper/210:58:262
258149991714,1cyclictest0-21swapper/210:40:012
258149991714,1cyclictest0-21swapper/209:47:302
258149991713,2cyclictest0-21swapper/211:28:212
258148991714,2cyclictest345430-21grep08:20:011
258148991714,2cyclictest1326-21systemd-logind09:15:011
258148991714,2cyclictest1290-21dbus-daemon10:30:011
258148991712,4cyclictest358759-21fschecks_time08:33:161
258148991711,2cyclictest426435-21/usr/sbin/munin09:23:261
258148991711,2cyclictest0-21swapper/110:35:021
25814799179,6cyclictest0-21swapper/009:45:020
25814799179,4cyclictest498422-21aten2.4-expect10:03:130
25814799179,4cyclictest0-21swapper/009:55:010
25814799177,6cyclictest0-21swapper/010:23:120
25814799177,5cyclictest0-21swapper/011:05:010
25814799177,3cyclictest0-21swapper/010:27:010
25814799176,7cyclictest729904-21kworker/0:1-events12:24:120
258147991715,1cyclictest272456-21cron07:20:000
258147991714,2cyclictest747890-21sh12:20:010
258147991714,2cyclictest381749-21perf08:50:000
258147991714,2cyclictest278615-21latency_hist07:25:010
258147991714,2cyclictest264247-21systemctl07:15:000
258147991714,2cyclictest171ktimers/009:58:280
25814799171,1cyclictest3883932-1atop12:40:020
258147991710,6cyclictest719255-21head12:03:220
2902298160,3rtkit-daemon650017-21ssh11:26:210
2649091162,2phc2sys0-21swapper/310:48:413
2649091160,2phc2sys0-21swapper/311:57:553
2649091160,2phc2sys0-21swapper/311:15:543
2649091160,2phc2sys0-21swapper/311:12:153
2649091160,2phc2sys0-21swapper/310:07:123
2649091160,2phc2sys0-21swapper/309:36:003
2649091160,2phc2sys0-21swapper/309:20:193
2649091160,1phc2sys0-21swapper/310:42:083
2649091160,1phc2sys0-21swapper/310:22:403
2649091160,1phc2sys0-21swapper/308:50:313
25814999168,5cyclictest0-21swapper/210:30:022
25814999161,9cyclictest0-21swapper/212:40:022
258149991614,1cyclictest0-21swapper/211:15:002
258149991614,1cyclictest0-21swapper/208:50:012
258149991613,1cyclictest0-21swapper/211:45:002
258149991613,1cyclictest0-21swapper/211:18:192
258149991613,1cyclictest0-21swapper/210:54:462
258149991613,1cyclictest0-21swapper/210:35:012
258149991613,1cyclictest0-21swapper/210:23:162
258149991613,1cyclictest0-21swapper/209:32:282
258149991613,1cyclictest0-21swapper/209:13:262
258149991613,1cyclictest0-21swapper/208:25:012
258149991613,1cyclictest0-21swapper/208:20:002
258149991612,2cyclictest433090-21turbostat09:25:002
25814899169,3cyclictest759326-21aten_repower_po12:28:161
25814899169,3cyclictest0-21swapper/112:00:021
258148991614,1cyclictest70-21kcompactd012:35:021
258148991613,2cyclictest517186-21/usr/sbin/munin10:13:191
258148991613,2cyclictest424330-21latency_hist09:20:021
258148991613,2cyclictest315373-21latency_hist07:55:011
258148991613,2cyclictest134050irq/121-eno109:31:261
258148991613,2cyclictest1290-21dbus-daemon11:40:011
258148991612,3cyclictest725449-21kthreadcore12:08:191
258148991612,3cyclictest609265-21kthreadcore11:03:211
258148991612,3cyclictest148810-21kworker/u16:0+nfsiod09:26:361
258148991612,3cyclictest1288-1atopacctd10:43:181
25814799169,2cyclictest0-21swapper/011:09:510
258147991614,1cyclictest521395-21sendmail_mailtr10:13:250
258147991613,2cyclictest765671-21cron12:30:000
258147991613,2cyclictest351998-21kworker/u16:3-events_unbound11:18:160
258147991613,2cyclictest1313-21gmain07:35:010
258147991611,4cyclictest363726-21latency_hist08:35:010
258147991610,5cyclictest613201-21kworker/u16:1-rpciod11:23:240
25814799160,1cyclictest0-21swapper/008:23:220
2902298150,1rtkit-daemon0-21swapper/108:53:371
2649091150,3phc2sys0-21swapper/311:06:523
2649091150,2phc2sys0-21swapper/312:34:123
2649091150,2phc2sys0-21swapper/309:46:183
25814999153,8cyclictest0-21swapper/208:10:022
258149991513,1cyclictest0-21swapper/212:20:012
258149991513,1cyclictest0-21swapper/207:10:022
258149991512,1cyclictest0-21swapper/210:45:002
258149991512,1cyclictest0-21swapper/210:20:012
258149991512,1cyclictest0-21swapper/210:03:212
258149991512,1cyclictest0-21swapper/209:40:072
258149991512,1cyclictest0-21swapper/208:33:242
258149991511,2cyclictest0-21swapper/211:23:272
25814899158,3cyclictest535516-21kthreadcore10:23:181
25814899157,7cyclictest352365-21tr08:28:151
25814899157,4cyclictest0-21swapper/107:23:301
258148991512,2cyclictest780073-21kthreadcore12:38:221
258148991512,2cyclictest593851-21unixbench_multi10:53:261
258148991512,2cyclictest305040-21kthreadcore07:48:171
258148991512,2cyclictest1288-1atopacctd07:18:131
258148991511,3cyclictest613201-21kworker/u16:1+nfsiod11:14:431
258148991511,3cyclictest505065-21kworker/u16:2+nfsiod11:34:471
258148991511,3cyclictest505065-21kworker/u16:2+nfsiod10:55:311
258148991511,3cyclictest490935-21kthreadcore09:58:211
258148991511,3cyclictest424348-21kworker/u16:4+nfsiod09:40:341
258148991511,3cyclictest351998-21kworker/u16:3+nfsiod12:11:501
258148991511,3cyclictest351998-21kworker/u16:3+nfsiod12:11:501
258148991511,3cyclictest351998-21kworker/u16:3+nfsiod09:47:111
25814799159,5cyclictest1288-1atopacctd10:18:080
258147991512,2cyclictest724534-21irqrtprio12:08:180
258147991512,2cyclictest705989-21fschecks_time11:58:170
258147991512,2cyclictest589763-21kthreadcore10:53:190
258147991512,2cyclictest570887-21tr10:43:160
258147991512,2cyclictest446053-21kthreadcore09:33:210
258147991512,2cyclictest369808-21munin-plugin-st08:40:010
258147991512,2cyclictest341013-21cut08:18:190
258147991512,2cyclictest258318-21sh07:10:020
258147991512,2cyclictest1313-21gmain09:00:020
258147991511,3cyclictest303282-21systemd07:45:020
25814799150,4cyclictest405880-21/usr/sbin/munin09:08:250
2649091140,4phc2sys0-21swapper/312:13:143
2649091140,4phc2sys0-21swapper/312:13:143
2649091140,3phc2sys0-21swapper/309:43:133
2649091140,2phc2sys0-21swapper/312:08:293
2649091140,2phc2sys0-21swapper/310:11:383
2649091140,2phc2sys0-21swapper/310:01:523
2649091140,2phc2sys0-21swapper/308:27:313
2649091140,2phc2sys0-21swapper/308:24:563
2649091140,1phc2sys0-21swapper/311:48:373
258149991412,1cyclictest0-21swapper/211:03:552
258149991412,1cyclictest0-21swapper/209:18:212
258149991411,2cyclictest0-21swapper/208:28:212
258149991411,1cyclictest0-21swapper/212:23:202
258149991411,1cyclictest0-21swapper/212:13:262
258149991411,1cyclictest0-21swapper/212:13:262
258149991411,1cyclictest0-21swapper/212:08:162
258149991411,1cyclictest0-21swapper/212:03:182
258149991411,1cyclictest0-21swapper/209:53:202
258149991411,1cyclictest0-21swapper/209:03:152
258149991411,1cyclictest0-21swapper/207:50:002
258149991410,2cyclictest0-21swapper/207:58:182
25814999140,3cyclictest7018452sleep211:53:332
25814999140,11cyclictest0-21swapper/209:58:072
25814899147,3cyclictest741335-21tail12:18:131
258148991411,2cyclictest391082-21kthreadcore08:58:231
258148991411,2cyclictest379379-21kthreadcore08:48:211
258148991411,2cyclictest330202-21kthreadcore08:08:201
258148991411,2cyclictest324887-21kthreadcore08:03:211
258148991411,2cyclictest260098-21kthreadcore07:13:191
258148991411,2cyclictest1178-21rpcbind09:51:541
258148991410,3cyclictest680047-21kthreadcore11:43:201
258148991410,3cyclictest505065-21kworker/u16:2+nfsiod10:45:481
258148991410,3cyclictest395018-21fschecks_time09:03:181
258148991410,3cyclictest373809-21kthreadcore08:43:201
258148991410,3cyclictest373809-21kthreadcore08:43:201
258148991410,3cyclictest351998-21kworker/u16:3+nfsiod09:38:141
258148991410,3cyclictest348073-21kthreadcore08:23:191
258148991410,3cyclictest319516-21kthreadcore07:58:191
25814899140,2cyclictest0-21swapper/107:31:231
25814799145,5cyclictest554526-21cut10:33:210
25814799145,5cyclictest512789-21ssh10:08:290
258147991411,2cyclictest684905-21apt-key11:45:010
258147991411,2cyclictest586041-21cut10:50:000
258147991411,2cyclictest383741-21kthreadcore08:53:170
258147991411,2cyclictest375166-21mailstats08:43:230
258147991411,2cyclictest375166-21mailstats08:43:230
258147991411,2cyclictest335310-21kthreadcore08:13:180
258147991410,3cyclictest284724-21systemd07:30:010
258147991410,2cyclictest0-21swapper/010:40:030
2649091131,1phc2sys0-21swapper/311:54:013
2649091130,2phc2sys0-21swapper/311:35:553
25814999139,2cyclictest0-21swapper/207:43:112
25814999137,4cyclictest0-21swapper/208:38:132
258149991311,1cyclictest0-21swapper/209:25:202
258149991311,1cyclictest0-21swapper/208:05:022
258149991310,2cyclictest0-21swapper/210:48:182
258149991310,1cyclictest0-21swapper/209:08:162
258149991310,1cyclictest0-21swapper/208:45:022
258149991310,1cyclictest0-21swapper/208:45:022
258149991310,1cyclictest0-21swapper/208:15:022
258149991310,1cyclictest0-21swapper/207:53:212
258149991310,1cyclictest0-21swapper/207:38:192
258149991310,1cyclictest0-21swapper/207:28:152
258148991310,2cyclictest335543-21kthreadcore08:13:181
258148991310,2cyclictest299088-21kthreadcore07:43:181
258148991310,2cyclictest292689-21irqrtprio07:38:181
25814799136,5cyclictest257-21systemd-journal11:35:020
258147991310,2cyclictest352138-21aten_repower_en08:28:140
258147991310,2cyclictest312612-21kthreadcore07:53:210
2649091123,2phc2sys0-21swapper/309:18:203
2649091120,3phc2sys0-21swapper/311:28:143
2649091120,3phc2sys0-21swapper/308:13:123
2649091120,2phc2sys0-21swapper/310:39:153
2649091120,2phc2sys0-21swapper/308:38:133
2649091120,1phc2sys0-21swapper/312:25:163
2649091120,1phc2sys0-21swapper/312:00:363
2649091120,1phc2sys0-21swapper/310:30:303
258149991210,1cyclictest0-21swapper/208:58:232
258149991210,1cyclictest0-21swapper/207:13:232
25814799129,2cyclictest332687-21proc_pri08:08:240
25814799120,7cyclictest394414-21head09:03:140
2649091112,2phc2sys0-21swapper/312:18:433
2649091111,2phc2sys0-21swapper/311:33:393
2649091111,2phc2sys0-21swapper/308:33:163
2649091111,2phc2sys0-21swapper/308:20:023
2649091110,2phc2sys0-21swapper/309:31:183
2649091110,1phc2sys0-21swapper/307:10:163
25814999119,1cyclictest0-21swapper/207:30:162
2649091102,2phc2sys0-21swapper/307:49:473
2649091101,2phc2sys0-21swapper/312:35:303
2649091101,2phc2sys0-21swapper/308:43:183
2649091101,2phc2sys0-21swapper/308:43:183
2649091101,2phc2sys0-21swapper/307:42:383
2649091100,2phc2sys0-21swapper/311:40:043
2649091100,2phc2sys0-21swapper/311:03:053
2649091100,2phc2sys0-21swapper/309:28:023
2649091100,2phc2sys0-21swapper/307:58:263
2649091100,2phc2sys0-21swapper/307:33:163
25814899105,4cyclictest1-21systemd07:10:011
264909191,3phc2sys0-21swapper/308:48:143
264909191,2phc2sys0-21swapper/308:03:153
264909190,2phc2sys0-21swapper/312:20:073
264909190,2phc2sys0-21swapper/311:20:043
264909190,2phc2sys0-21swapper/309:08:183
264909190,2phc2sys0-21swapper/309:03:173
264909190,2phc2sys0-21swapper/308:58:243
264909190,2phc2sys0-21swapper/308:05:033
264909190,2phc2sys0-21swapper/307:53:173
264909190,2phc2sys0-21swapper/307:40:013
264909190,2phc2sys0-21swapper/307:28:233
264909190,2phc2sys0-21swapper/307:19:553
264909190,1phc2sys0-21swapper/307:22:303
264909181,2phc2sys0-21swapper/307:07:523
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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