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2026-05-01 - 04:10
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Fri May 01, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67473921590,2sleep30-21swapper/323:15:373
53766521020,2sleep30-21swapper/321:45:343
4309772970,1sleep00-21swapper/020:30:000
7000922740,2sleep30-21swapper/323:35:293
3676852430,2sleep0601rcuop/319:35:380
6167622380,2sleep1616760-21cron22:40:001
328095993117,6cyclictest675005-21phc2sys23:15:390
328096993023,2cyclictest134050irq/121-eno122:20:021
328096992720,2cyclictest134050irq/121-eno123:20:001
328096992621,1cyclictest4815331systemd-run21:10:001
328096992514,3cyclictest328093-21cyclictest22:35:011
328096992514,3cyclictest328093-21cyclictest22:35:011
328096992514,2cyclictest134050irq/121-eno121:20:191
32809599254,5cyclictest571943-21ls22:10:010
7301922240,0sleep170-21kcompactd023:55:041
328096992421,2cyclictest1-21systemd23:00:001
328096992415,3cyclictest0-21swapper/121:50:011
328096992320,2cyclictest437192-21grep20:35:001
328095992321,1cyclictest0-21swapper/000:40:000
328095992314,5cyclictest328093-21cyclictest21:55:320
2649091231,2phc2sys0-21swapper/320:47:443
328096992219,2cyclictest3824565-21in:imuxsock21:40:011
328096992212,2cyclictest0-21swapper/121:20:011
328096992211,6cyclictest0-21swapper/122:50:021
328095992215,6cyclictest504001-21munin-plugin-st21:25:000
328095992211,6cyclictest0-21swapper/023:15:010
328095992210,6cyclictest778111-21tail00:30:320
328096992118,2cyclictest633618-21sed22:50:341
328096992115,2cyclictest17350irq/127-ahci[0000:00:17.0]20:40:001
328096992112,5cyclictest1996-21runrttasks23:39:061
328095992118,2cyclictest737412-21latency_hist00:00:000
328095992118,2cyclictest514840-21kthreadcore21:30:360
328095992118,2cyclictest482872-21irqcore21:10:320
328095992117,3cyclictest626110-21kthreadcore22:45:360
328095992117,3cyclictest601851-21systemd22:30:000
328095992117,3cyclictest537651-21kthreadcore21:45:350
328095992117,3cyclictest409138-21kthreadcore20:10:380
328095992117,3cyclictest331247-21kthreadcore19:10:360
328095992116,1cyclictest383433398rtkit-daemon22:33:140
328095992116,1cyclictest383433398rtkit-daemon22:33:140
328095992111,6cyclictest654586-21munin-run23:05:010
328095992111,5cyclictest0-21swapper/022:00:360
7791962200,2sleep20-21swapper/200:30:362
3611612200,2sleep30-21swapper/319:30:363
32809799200,18cyclictest0-21swapper/221:15:572
32809699209,6cyclictest0-21swapper/123:04:021
32809699209,6cyclictest0-21swapper/122:12:021
328096992017,2cyclictest393397-21latency_hist20:00:021
328096992017,2cyclictest362165-21latency_hist19:35:021
328096992017,2cyclictest1290-21dbus-daemon22:10:021
328096992016,3cyclictest1290-21dbus-daemon20:20:011
32809599209,6cyclictest501rcuop/222:15:330
32809599209,6cyclictest3851703-21mta-sts-daemon21:17:520
32809599209,6cyclictest0-21swapper/000:05:000
328095992017,2cyclictest620188-21kthreadcore22:40:360
328095992017,2cyclictest445378-21kthreadcore20:40:320
328095992017,2cyclictest0-21swapper/020:55:000
328095992011,5cyclictest1996-21runrttasks22:10:280
328095992010,6cyclictest464247-21irqrtprio20:55:340
328097991916,1cyclictest0-21swapper/220:35:002
328097991916,1cyclictest0-21swapper/200:40:022
32809699198,6cyclictest0-21swapper/120:27:381
32809699197,4cyclictest412242-21kworker/u16:1-events_unbound23:28:481
328096991916,2cyclictest594292-21cron22:25:001
328096991916,2cyclictest335100-21irqcore19:15:011
328096991916,2cyclictest1290-21dbus-daemon23:35:001
328096991915,3cyclictest489109-21/usr/sbin/munin21:15:011
328096991911,3cyclictest0-21swapper/121:25:281
328096991910,2cyclictest0-21swapper/122:00:021
32809599199,6cyclictest350014-21/usr/sbin/munin19:25:380
32809599199,5cyclictest0-21swapper/023:08:020
328095991916,2cyclictest587162-21sh22:20:170
328095991916,2cyclictest420081-21kthreadcore20:20:330
328095991916,2cyclictest356997-21gltestperf19:30:310
328095991915,3cyclictest764929-21kthreadcore00:20:340
328095991915,3cyclictest695395-21kthreadcore23:30:360
328095991915,3cyclictest380330-21timerwakeupswit19:45:410
328095991915,3cyclictest0-21swapper/023:25:020
328095991913,5cyclictest3851703-21mta-sts-daemon00:06:300
328095991913,2cyclictest387219-21kworker/u16:3-events_unbound21:35:270
328095991911,4cyclictest0-21swapper/022:35:270
328095991911,1cyclictest191rcu_preempt19:40:290
328095991910,5cyclictest0-21swapper/000:30:010
2649091191,2phc2sys0-21swapper/320:50:293
2649091190,2phc2sys0-21swapper/321:56:543
328097991815,1cyclictest0-21swapper/200:10:012
328097991814,2cyclictest0-21swapper/221:35:392
32809699188,6cyclictest0-21swapper/121:03:021
32809699187,6cyclictest0-21swapper/120:07:021
32809699187,3cyclictest779035-21ssh00:30:361
328096991815,2cyclictest655644-21gltestperf23:05:341
328096991815,2cyclictest624586-21cut22:45:021
328096991815,2cyclictest3851703-21mta-sts-daemon00:35:341
328096991815,2cyclictest328093-21cyclictest19:40:351
328096991815,2cyclictest0-21swapper/100:05:011
32809599189,5cyclictest549319-21systemd-run21:55:000
32809599189,5cyclictest241rcuc/021:40:340
32809599188,6cyclictest0-21swapper/020:35:390
32809599187,10cyclictest3827634-1atopacctd20:32:390
32809599184,1cyclictest754870-21ssh00:15:280
32809599183,7cyclictest343155-21grep19:20:000
328095991816,1cyclictest450414-21aten2.4-expect20:45:280
328095991816,1cyclictest3824565-21in:imuxsock00:15:020
328095991815,2cyclictest728359-21unixbench-2d23:50:430
328095991815,2cyclictest719249-21kthreadcore23:45:360
328095991815,2cyclictest686289-21kthreadcore23:25:340
328095991815,2cyclictest381968-21gltestperf19:50:310
328095991814,1cyclictest0-21swapper/019:20:390
328095991811,4cyclictest509374-21ssh21:25:390
26490911810,2phc2sys0-21swapper/322:20:033
2649091180,2phc2sys0-21swapper/300:14:183
328097991714,2cyclictest0-21swapper/223:25:372
328097991714,2cyclictest0-21swapper/200:15:002
328097991714,1cyclictest0-21swapper/223:45:002
328097991714,1cyclictest0-21swapper/222:10:002
32809699179,1cyclictest134050irq/121-eno123:50:421
32809699176,2cyclictest134050irq/121-eno121:55:011
32809699171,6cyclictest722576-21systemd-run23:50:021
328096991714,2cyclictest708946-21irqrtprio23:40:351
328096991714,2cyclictest562472-21mailstats22:00:401
328096991714,2cyclictest481482-21diskmemload21:30:361
328096991714,2cyclictest1-21systemd20:10:021
328096991714,2cyclictest0-21swapper/120:45:001
32809599179,4cyclictest0-21swapper/020:15:330
32809599179,2cyclictest0-21swapper/022:55:450
32809599179,2cyclictest0-21swapper/022:52:100
32809599176,6cyclictest707011-21latency_hist23:40:020
328095991714,2cyclictest708327-21sh23:40:320
2649091170,2phc2sys0-21swapper/323:29:443
2649091170,2phc2sys0-21swapper/322:59:513
2649091170,2phc2sys0-21swapper/321:39:133
32809799162,8cyclictest0-21swapper/219:30:012
32809799162,7cyclictest0-21swapper/222:00:012
328097991614,1cyclictest0-21swapper/219:15:012
328097991613,2cyclictest0-21swapper/219:35:342
328097991613,1cyclictest0-21swapper/223:57:472
328097991613,1cyclictest0-21swapper/223:40:012
328097991613,1cyclictest0-21swapper/223:10:302
328097991613,1cyclictest0-21swapper/223:05:002
328097991613,1cyclictest0-21swapper/222:25:012
328097991613,1cyclictest0-21swapper/221:05:002
328097991613,1cyclictest0-21swapper/219:15:032
328097991613,1cyclictest0-21swapper/200:30:002
328097991612,1cyclictest0-21swapper/221:45:012
32809699167,3cyclictest0-21swapper/100:10:241
32809699167,1cyclictest383433398rtkit-daemon20:50:111
32809699165,4cyclictest768503-21sshd00:22:011
32809699165,3cyclictest0-21swapper/123:21:391
328096991613,2cyclictest771291-21kthreadcore00:25:381
328096991613,2cyclictest747035-21latency_hist00:10:011
328096991613,2cyclictest598405-21kthreadcore22:25:341
328096991613,2cyclictest532684-21timerwakeupswit21:40:421
328096991613,2cyclictest363068-21fschecks_count19:35:291
328096991613,2cyclictest328093-21cyclictest19:15:311
328096991613,2cyclictest0-21swapper/119:55:001
328096991612,3cyclictest453234-21sort20:45:341
328096991612,3cyclictest352902-21kthreadcore19:25:351
32809599168,7cyclictest0-21swapper/021:00:310
32809599168,5cyclictest400343-21cpuspeed_turbos20:05:280
328095991613,2cyclictest3827634-1atopacctd20:00:000
2649091160,2phc2sys0-21swapper/320:35:393
328097991513,1cyclictest0-21swapper/220:00:012
328097991512,1cyclictest0-21swapper/223:52:582
328097991512,1cyclictest0-21swapper/223:45:462
328097991512,1cyclictest0-21swapper/222:45:432
328097991512,1cyclictest0-21swapper/221:50:332
328097991512,1cyclictest0-21swapper/221:35:012
328097991512,1cyclictest0-21swapper/220:55:002
328097991512,1cyclictest0-21swapper/220:45:392
328097991512,1cyclictest0-21swapper/220:25:352
328097991512,1cyclictest0-21swapper/200:01:082
328097991511,2cyclictest0-21swapper/221:10:322
328096991512,2cyclictest463339-21cpuspeed_turbos20:55:301
328096991512,2cyclictest395276-21kthreadcore20:00:351
328096991511,3cyclictest624488-21kworker/u16:2+nfsiod23:12:041
328096991511,3cyclictest377021-21kthreadcore19:45:351
328096991510,3cyclictest756702-21kthreadcore00:15:351
32809599158,4cyclictest0-21swapper/021:05:280
32809599158,4cyclictest0-21swapper/020:00:320
2649091151,2phc2sys0-21swapper/320:01:163
2649091151,2phc2sys0-21swapper/300:36:193
2649091150,4phc2sys0-21swapper/300:00:283
2649091150,2phc2sys0-21swapper/323:51:533
2649091150,2phc2sys0-21swapper/321:32:293
2649091150,1phc2sys0-21swapper/323:33:343
32809799149,3cyclictest0-21swapper/219:32:042
32809799141,1cyclictest0-21swapper/221:25:282
328097991411,2cyclictest0-21swapper/222:10:312
328097991411,1cyclictest0-21swapper/223:21:032
328097991411,1cyclictest0-21swapper/223:05:562
328097991411,1cyclictest0-21swapper/222:50:362
328097991411,1cyclictest0-21swapper/220:15:362
328097991411,1cyclictest0-21swapper/219:40:342
328097991410,2cyclictest0-21swapper/219:48:542
328097991410,1cyclictest0-21swapper/223:35:022
32809799140,9cyclictest0-21swapper/220:10:412
328095991410,2cyclictest0-21swapper/019:10:000
2649091141,6phc2sys0-21swapper/322:31:053
2649091141,6phc2sys0-21swapper/322:31:053
2649091141,5phc2sys0-21swapper/320:40:263
2649091141,3phc2sys0-21swapper/319:21:593
2649091141,2phc2sys0-21swapper/300:26:293
2649091140,5phc2sys0-21swapper/322:03:103
2649091140,2phc2sys0-21swapper/323:23:443
2649091140,2phc2sys0-21swapper/320:15:403
2649091140,2phc2sys0-21swapper/319:25:293
2649091140,1phc2sys0-21swapper/320:21:193
32809799139,2cyclictest0-21swapper/222:44:292
32809799139,2cyclictest0-21swapper/220:00:362
328097991311,1cyclictest0-21swapper/223:15:352
328097991311,1cyclictest0-21swapper/222:35:412
328097991311,1cyclictest0-21swapper/222:00:352
328097991311,1cyclictest0-21swapper/221:20:322
328097991310,2cyclictest0-21swapper/222:15:392
328097991310,1cyclictest0-21swapper/222:34:452
328097991310,1cyclictest0-21swapper/222:34:452
328097991310,1cyclictest0-21swapper/220:56:402
328097991310,1cyclictest0-21swapper/220:41:512
328097991310,1cyclictest0-21swapper/220:35:392
328097991310,1cyclictest0-21swapper/220:10:002
328097991310,1cyclictest0-21swapper/219:20:402
328097991310,1cyclictest0-21swapper/200:20:332
328097991310,1cyclictest0-21swapper/200:15:342
32809699139,3cyclictest418817-21tail20:20:271
328096991310,2cyclictest3851704-21mta-sts-daemon19:10:001
328096991310,2cyclictest345812-21kthreadcore19:20:341
2649091130,6phc2sys0-21swapper/319:45:283
2649091130,3phc2sys0-21swapper/321:52:033
2649091130,2phc2sys0-21swapper/323:55:193
2649091130,2phc2sys0-21swapper/323:43:273
2649091130,2phc2sys0-21swapper/323:02:283
2649091130,2phc2sys0-21swapper/322:35:473
2649091130,2phc2sys0-21swapper/322:21:483
2649091130,2phc2sys0-21swapper/321:44:273
32809799129,1cyclictest0-21swapper/222:25:282
32809799129,1cyclictest0-21swapper/219:50:302
32809799128,2cyclictest0-21swapper/222:55:282
328097991210,1cyclictest0-21swapper/221:45:142
328097991210,1cyclictest0-21swapper/219:10:012
2649091122,1phc2sys0-21swapper/319:55:023
2649091120,2phc2sys0-21swapper/323:14:503
2649091120,2phc2sys0-21swapper/322:12:543
2649091120,2phc2sys0-21swapper/321:28:083
2649091120,1phc2sys0-21swapper/323:48:463
32809799119,1cyclictest0-21swapper/221:05:362
32809799119,1cyclictest0-21swapper/220:20:352
2649091112,2phc2sys0-21swapper/322:28:173
2649091112,2phc2sys0-21swapper/320:25:403
2649091111,3phc2sys0-21swapper/320:55:303
2649091111,2phc2sys0-21swapper/322:45:003
2649091111,2phc2sys0-21swapper/319:35:393
2649091110,2phc2sys0-21swapper/321:23:113
2649091110,2phc2sys0-21swapper/320:13:063
2649091110,2phc2sys0-21swapper/300:32:103
2649091110,2phc2sys0-21swapper/300:23:083
2649091110,1phc2sys0-21swapper/322:07:563
2649091110,1phc2sys0-21swapper/321:07:243
2649091110,1phc2sys0-21swapper/321:00:273
2649091110,1phc2sys0-21swapper/320:32:133
2649091102,2phc2sys0-21swapper/319:55:273
2649091101,3phc2sys0-21swapper/320:05:433
2649091101,2phc2sys0-21swapper/319:05:323
2649091100,2phc2sys0-21swapper/322:45:293
2649091100,2phc2sys0-21swapper/321:15:373
2649091100,2phc2sys0-21swapper/319:40:283
2649091100,2phc2sys0-21swapper/319:15:033
2649091100,1phc2sys0-21swapper/319:13:313
264909191,2phc2sys0-21swapper/323:06:053
264909190,2phc2sys0-21swapper/322:50:183
264909190,2phc2sys0-21swapper/321:10:043
264909190,2phc2sys0-21swapper/300:15:033
264909190,2phc2sys0-21swapper/300:05:533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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