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2026-01-04 - 15:26
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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 Jan 04, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47929321130,1sleep00-21swapper/012:03:150
3449762320,2sleep1344978-21irqrtprio10:48:141
23739992818,5cyclictest134050irq/121-eno109:18:090
23739992718,5cyclictest134050irq/121-eno108:03:140
23739992616,9cyclictest1326-21systemd-logind11:25:010
23739992519,5cyclictest257-21systemd-journal11:05:010
23739992514,10cyclictest520186-21gdbus12:25:010
2373999244,13cyclictest38791-21aten2.4-expect07:23:100
23739992416,7cyclictest475172-21cron12:00:010
23739992411,9cyclictest141242-21awk08:45:000
2373999238,7cyclictest0-21swapper/011:33:140
23739992318,4cyclictest207171-21apt-config09:30:000
23739992315,7cyclictest327255-21kthreadcore10:38:150
23739992314,8cyclictest490799-21kthreadcore12:08:160
23739992314,8cyclictest290161-21head10:18:100
23739992314,8cyclictest0-21swapper/011:20:020
23739992312,7cyclictest259522-21grep09:58:220
23739992310,9cyclictest28030-21kthreadcore07:13:160
2374199223,7cyclictest0-21swapper/210:40:012
23740992219,2cyclictest62314-21ls07:40:011
23740992219,2cyclictest30385-21aten_repower_cu07:15:021
2373999229,9cyclictest353435-21idleruntime10:53:130
2373999228,9cyclictest0-21swapper/009:53:220
2373999227,10cyclictest546453-21diskmemload12:39:050
2373999227,10cyclictest440332-21diskmemload11:40:420
2373999226,11cyclictest313872-21diskmemload10:28:480
23739992217,4cyclictest68416-21apt-key07:45:010
23739992216,5cyclictest1326-21systemd-logind10:25:010
23739992214,7cyclictest348608-21phc2sys10:48:180
23739992214,4cyclictest134050irq/121-eno110:06:090
23739992213,8cyclictest225377-21/usr/sbin/munin09:40:020
2373999221,20cyclictest0-21swapper/009:11:410
2373999221,16cyclictest415175-21apt-get11:28:070
23739992210,8cyclictest33893-21tr07:18:150
23739992210,8cyclictest195446-21cut09:23:150
2902298210,6rtkit-daemon29855-21munin-node12:06:391
2649091210,2phc2sys0-21swapper/309:55:433
23740992118,2cyclictest296618-21apt-key10:20:001
23740992116,3cyclictest353277-21fschecks_time10:53:121
2373999219,8cyclictest321761-21memory10:33:190
2373999218,9cyclictest522292-21diskmemload12:27:560
2373999218,9cyclictest433345-21expr11:38:100
2373999218,8cyclictest1-21systemd08:50:010
2373999218,7cyclictest537917-21apt-get12:35:020
2373999215,8cyclictest0-21swapper/011:08:150
23739992115,5cyclictest362995-21kthreadcore10:58:150
23739992115,5cyclictest232273-21latency09:43:170
23739992115,5cyclictest1288-1atopacctd09:01:470
23739992110,8cyclictest450787-21/usr/sbin/munin11:48:180
23739992110,7cyclictest237055-21ssh09:48:120
2374199209,7cyclictest4306762sleep211:35:012
2374199204,8cyclictest0-21swapper/211:50:012
2373999209,7cyclictest57080-21tr07:38:100
2373999209,7cyclictest0-21swapper/010:05:010
2373999209,7cyclictest0-21swapper/007:33:120
2373999208,8cyclictest1996-21runrttasks12:15:180
2373999205,8cyclictest99655-21telnet08:13:080
2373999205,6cyclictest387042-21diskmemload11:11:100
2373999204,11cyclictest2016-21snmpd07:48:090
23739992015,4cyclictest156584-21kthreadcore08:58:150
23739992014,5cyclictest84063-21kthreadcore07:58:160
23739992014,5cyclictest76535-21kthreadcore07:53:130
23739992014,5cyclictest496836-21kthreadcore12:13:140
23739992014,5cyclictest461097-21kthreadcore11:53:140
23739992014,5cyclictest45974-21kthreadcore07:28:140
23739992014,5cyclictest337744-21kthreadcore10:43:160
23739992014,5cyclictest287628-21latency_hist10:15:000
23739992014,5cyclictest124937-21kthreadcore08:33:130
23739992013,4cyclictest491rcuog/209:30:050
23739992011,6cyclictest0-21swapper/008:38:080
2649091190,2phc2sys0-21swapper/309:25:493
2374199193,4cyclictest0-21swapper/208:10:012
23740991916,2cyclictest98964-21perf08:10:001
23740991916,2cyclictest519841-21grep12:25:001
23740991916,2cyclictest0-21swapper/109:30:001
23740991914,3cyclictest505732-21kthreadcore12:18:181
23740991914,3cyclictest419815-21kthreadcore11:28:161
23740991913,4cyclictest1288-1atopacctd12:33:191
23739991913,5cyclictest109188-21kthreadcore08:18:180
2649091180,2phc2sys0-21swapper/311:26:493
2649091180,1phc2sys0-21swapper/311:41:243
2374199184,5cyclictest0-21swapper/212:10:012
2374199183,6cyclictest0-21swapper/210:50:012
23741991815,1cyclictest0-21swapper/210:03:422
2374199180,4cyclictest0-21swapper/209:40:012
2374099189,2cyclictest134050irq/121-eno108:10:111
2374099189,1cyclictest134050irq/121-eno109:43:091
23740991815,2cyclictest68601-21apt-key07:45:011
23740991815,2cyclictest386199-21systemd-run11:10:021
23740991815,2cyclictest1288-1atopacctd10:13:521
2373999186,8cyclictest165919-21apt-get09:08:090
2373999186,8cyclictest149858-21grep08:53:150
23739991812,5cyclictest120322-21kthreadcore08:28:150
23739991811,6cyclictest98458-21switchtime08:08:210
23739991810,4cyclictest134050irq/121-eno108:21:440
2649091170,3phc2sys0-21swapper/310:51:573
2649091170,3phc2sys0-21swapper/309:14:023
2374199175,4cyclictest0-21swapper/212:00:012
2374199171,8cyclictest0-21swapper/208:20:012
23741991714,1cyclictest0-21swapper/212:30:022
23741991714,1cyclictest0-21swapper/212:03:232
23741991714,1cyclictest0-21swapper/211:55:012
23741991714,1cyclictest0-21swapper/211:20:012
23741991714,1cyclictest0-21swapper/211:05:002
23741991714,1cyclictest0-21swapper/210:23:172
2374099176,2cyclictest17350irq/127-ahci[0000:00:17.0]08:00:021
23740991714,2cyclictest397441-21cpu11:18:091
23740991714,2cyclictest33988-21kthreadcore07:18:151
23740991713,3cyclictest391487-21kthreadcore11:13:161
23740991712,3cyclictest41547-21kthreadcore07:23:171
2374099170,15cyclictest547086-21sh12:40:011
2374099170,15cyclictest454677-21kthreadcore11:48:161
2649091160,4phc2sys0-21swapper/309:49:263
2649091160,1phc2sys0-21swapper/311:23:413
2649091160,1phc2sys0-21swapper/310:01:043
2374199166,5cyclictest0-21swapper/210:00:012
2374199166,1cyclictest0-21swapper/211:12:132
2374199162,9cyclictest0-21swapper/210:32:302
2374199162,1cyclictest0-21swapper/210:27:352
2374199162,12cyclictest0-21swapper/209:50:202
23741991614,1cyclictest0-21swapper/211:28:082
23741991613,1cyclictest0-21swapper/212:18:152
23741991613,1cyclictest0-21swapper/212:13:092
23741991613,1cyclictest0-21swapper/211:40:012
23741991613,1cyclictest0-21swapper/211:25:002
23741991613,1cyclictest0-21swapper/210:50:532
23741991613,1cyclictest0-21swapper/209:30:002
23741991613,1cyclictest0-21swapper/209:18:092
23741991613,1cyclictest0-21swapper/208:40:012
23741991613,1cyclictest0-21swapper/208:03:142
23741991611,2cyclictest0-21swapper/209:45:072
2374099168,3cyclictest17350irq/127-ahci[0000:00:17.0]08:30:011
2374099163,3cyclictest323752-21munin-run10:35:021
23740991614,1cyclictest1996-21runrttasks08:38:061
23740991613,2cyclictest341377-21cron10:45:001
23740991613,2cyclictest0-21swapper/107:10:011
23740991612,3cyclictest264331-21grep10:03:141
23740991611,3cyclictest273407-21kthreadcore10:08:151
36135721511,2sleep30-21swapper/310:57:473
2649091155,2phc2sys0-21swapper/310:26:293
2649091151,6phc2sys0-21swapper/308:38:073
2649091150,2phc2sys0-21swapper/312:18:203
2649091150,2phc2sys0-21swapper/311:36:373
2374199157,5cyclictest44635-21chrt07:27:572
2374199153,1cyclictest0-21swapper/209:08:112
2374199152,4cyclictest0-21swapper/208:50:012
2374199152,11cyclictest0-21swapper/211:41:302
23741991513,1cyclictest0-21swapper/210:18:082
23741991513,1cyclictest0-21swapper/210:15:022
23741991513,1cyclictest0-21swapper/207:15:022
23741991512,2cyclictest0-21swapper/212:33:102
23741991512,1cyclictest0-21swapper/211:09:232
23741991512,1cyclictest0-21swapper/210:41:392
23741991512,1cyclictest0-21swapper/209:11:412
23741991512,1cyclictest0-21swapper/208:23:092
23741991512,1cyclictest0-21swapper/207:55:002
23741991512,1cyclictest0-21swapper/207:45:012
23741991511,2cyclictest0-21swapper/208:12:472
23741991510,2cyclictest0-21swapper/210:56:572
2374099157,3cyclictest134050irq/121-eno111:42:151
23740991512,2cyclictest88010-21fschecks_time08:03:111
23740991512,2cyclictest373387-21kthreadcore11:03:181
23740991512,2cyclictest180998-21kworker/u16:1-rpciod09:19:561
23740991512,2cyclictest1286-21avahi-daemon08:55:011
23740991512,2cyclictest0-21swapper/111:25:001
23740991511,3cyclictest51319-21fschecks_count07:33:091
23740991511,3cyclictest482762-21mailstats12:03:211
23740991511,3cyclictest424225-21aten_repower_vo11:33:091
23740991511,3cyclictest325901-21aten_repower_cu10:38:081
23740991511,3cyclictest191406-21sshd09:23:011
23740991511,3cyclictest115547-21kthreadcore08:23:161
23740991510,3cyclictest308207-21aten_repower_vo10:28:081
23740991510,3cyclictest29021-21rtkit-daemon09:36:551
2373999151,12cyclictest23913-21systemd-run07:10:020
2649091143,2phc2sys0-21swapper/311:54:343
2649091143,2phc2sys0-21swapper/310:40:593
2649091140,3phc2sys0-21swapper/309:43:083
2649091140,2phc2sys0-21swapper/307:15:563
2374199149,2cyclictest0-21swapper/208:57:262
2374199143,5cyclictest0-21swapper/207:50:012
23741991412,1cyclictest0-21swapper/209:43:162
23741991412,1cyclictest0-21swapper/209:33:092
23741991412,1cyclictest0-21swapper/208:55:012
23741991411,1cyclictest0-21swapper/212:35:032
23741991411,1cyclictest0-21swapper/209:20:052
23741991411,1cyclictest0-21swapper/208:45:022
23741991411,1cyclictest0-21swapper/208:30:022
23741991411,1cyclictest0-21swapper/207:23:172
23741991410,2cyclictest0-21swapper/212:23:462
2374099148,2cyclictest134050irq/121-eno109:30:431
2374099144,2cyclictest134050irq/121-eno111:38:101
2374099144,2cyclictest134050irq/121-eno110:58:101
2374099144,2cyclictest134050irq/121-eno109:50:281
2374099144,2cyclictest134050irq/121-eno107:28:081
2374099141,3cyclictest69950-21hddtemp_smartct07:48:121
23740991411,2cyclictest526987-21kthreadcore12:28:161
23740991411,2cyclictest257096-21kthreadcore09:58:171
23740991411,2cyclictest174722-21grep09:13:131
23740991411,2cyclictest127858-21kthreadcore08:33:151
23740991411,2cyclictest0-21swapper/109:10:021
23740991410,3cyclictest78660-21kthreadcore07:53:131
23740991410,3cyclictest496701-21irqrtprio12:13:121
23740991410,3cyclictest301794-21kthreadcore10:23:171
23740991410,3cyclictest140487-21phc2sys08:43:181
23740991410,2cyclictest2902298rtkit-daemon11:50:091
2649091130,3phc2sys0-21swapper/311:59:333
2649091130,2phc2sys0-21swapper/312:00:483
2649091130,2phc2sys0-21swapper/311:12:573
2374199139,1cyclictest0-21swapper/207:35:352
23741991310,1cyclictest0-21swapper/210:05:032
23741991310,1cyclictest0-21swapper/209:01:472
23741991310,1cyclictest0-21swapper/208:33:172
23741991310,1cyclictest0-21swapper/207:55:102
23741991310,1cyclictest0-21swapper/207:33:162
2374099139,3cyclictest156689-21kthreadcore08:58:151
2374099138,2cyclictest239248-21kthreadcore09:48:161
2374099134,2cyclictest134050irq/121-eno111:58:161
2374099134,2cyclictest134050irq/121-eno109:03:101
23740991310,2cyclictest142870-21cut08:48:171
23740991310,2cyclictest108065-21kthreadcore08:18:171
2649091121,4phc2sys0-21swapper/311:48:083
2649091120,2phc2sys0-21swapper/311:18:203
2649091120,2phc2sys0-21swapper/311:05:283
2649091120,2phc2sys0-21swapper/310:20:193
2649091120,2phc2sys0-21swapper/310:09:553
2649091120,1phc2sys0-21swapper/312:05:203
2649091120,1phc2sys0-21swapper/307:40:093
2649091120,1phc2sys0-21swapper/307:32:523
2374199129,1cyclictest0-21swapper/207:20:022
2649091111,4phc2sys0-21swapper/310:33:093
2649091111,3phc2sys0-21swapper/308:13:063
2649091111,3phc2sys0-21swapper/307:48:233
2649091111,2phc2sys0-21swapper/312:34:543
2649091111,2phc2sys0-21swapper/310:18:313
2649091110,3phc2sys0-21swapper/308:00:013
2649091110,2phc2sys0-21swapper/312:11:143
2649091110,2phc2sys0-21swapper/310:49:253
2649091110,2phc2sys0-21swapper/310:12:463
2649091110,2phc2sys0-21swapper/309:16:313
2649091110,2phc2sys0-21swapper/308:25:033
2649091110,1phc2sys0-21swapper/309:23:453
2649091110,1phc2sys0-21swapper/308:50:433
2649091110,1phc2sys0-21swapper/308:49:143
2649091110,1phc2sys0-21swapper/308:40:573
2649091110,1phc2sys0-21swapper/308:06:023
2649091110,1phc2sys0-21swapper/307:28:433
2374199117,1cyclictest0-21swapper/207:10:022
2649091101,3phc2sys0-21swapper/309:50:383
2649091101,2phc2sys0-21swapper/310:36:023
2649091101,2phc2sys0-21swapper/308:58:203
2649091101,2phc2sys0-21swapper/307:07:593
2649091100,2phc2sys0-21swapper/312:25:123
2649091100,2phc2sys0-21swapper/312:22:163
2649091100,2phc2sys0-21swapper/311:30:063
2649091100,2phc2sys0-21swapper/311:03:083
2649091100,2phc2sys0-21swapper/309:35:193
2649091100,2phc2sys0-21swapper/309:30:143
2649091100,2phc2sys0-21swapper/309:10:023
2649091100,2phc2sys0-21swapper/308:33:163
2649091100,2phc2sys0-21swapper/308:23:093
2649091100,2phc2sys0-21swapper/308:03:173
2649091100,1phc2sys0-21swapper/312:36:593
264909191,2phc2sys0-21swapper/308:20:003
264909191,2phc2sys0-21swapper/307:38:213
264909191,2phc2sys0-21swapper/307:20:503
264909190,2phc2sys0-21swapper/307:13:203
264909190,1phc2sys0-21swapper/307:51:153
264909180,2phc2sys0-21swapper/309:00:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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