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2026-05-06 - 00:09
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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 Tue May 05, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94946121050,2sleep30-21swapper/311:55:003
7548962720,2sleep20-21swapper/209:30:292
7969582590,1sleep0796956-21ssh10:13:400
8806692510,1sleep10-21swapper/111:09:001
6599142430,2sleep30-21swapper/308:20:283
56769999314,18cyclictest934314-21turbostat11:45:000
567699993116,7cyclictest945470-21kthreadcore11:50:300
567699992821,2cyclictest3851703-21mta-sts-daemon08:20:210
10143482280,2sleep30-21swapper/312:35:283
567700992522,2cyclictest787983-21latency_hist10:05:011
567699992320,2cyclictest953081-21kthreadcore11:55:300
567699992320,2cyclictest1010442-21latency_hist12:35:000
567701992119,1cyclictest0-21swapper/208:30:022
567701992118,1cyclictest0-21swapper/208:40:002
567700992118,2cyclictest714543-21idleruntime-cro09:05:001
567700992118,2cyclictest1-21systemd08:10:011
567699992113,7cyclictest0-21swapper/009:20:000
383433398210,3rtkit-daemon3851703-21mta-sts-daemon10:48:370
567700992017,2cyclictest812801-21grep10:25:001
56769999209,6cyclictest0-21swapper/010:09:350
56769999202,3cyclictest926965-21kworker/u16:1+rpciod12:30:000
567699992017,2cyclictest888783-21/usr/sbin/munin11:15:010
567699992013,6cyclictest0-21swapper/009:45:000
567699992010,5cyclictest0-21swapper/011:35:190
567701991916,1cyclictest0-21swapper/210:50:012
567700991918,0cyclictest766273-21ssh09:39:431
567700991916,2cyclictest567697-21cyclictest08:55:291
567700991914,4cyclictest1290-21dbus-daemon10:15:011
56769999198,6cyclictest0-21swapper/010:25:350
56769999198,6cyclictest0-21swapper/009:45:280
567699991913,5cyclictest893899-21latency11:15:280
567699991912,6cyclictest0-21swapper/007:40:000
567699991910,5cyclictest981420-21if_err_enp1s012:15:250
567699991910,5cyclictest0-21swapper/009:33:140
56770199181,6cyclictest0-21swapper/211:20:002
567701991816,1cyclictest0-21swapper/210:00:022
567701991815,1cyclictest0-21swapper/212:35:002
567701991815,1cyclictest0-21swapper/211:40:002
567701991815,1cyclictest0-21swapper/210:20:012
567701991815,1cyclictest0-21swapper/207:50:022
567700991815,2cyclictest906371-21kthreadcore11:25:291
567700991815,2cyclictest734435-21users09:15:351
567700991814,3cyclictest790290-21kthreadcore10:05:291
567700991811,6cyclictest3851698-21mta-sts-daemon09:41:331
567700991810,3cyclictest3827634-1atopacctd12:20:241
567700991810,3cyclictest0-21swapper/112:05:221
56769999186,7cyclictest0-21swapper/009:35:220
56769999184,8cyclictest588881-1cat07:25:010
567699991815,2cyclictest911444-21systemd-run11:30:020
567699991815,2cyclictest858346-21systemd-run10:55:000
567699991815,2cyclictest785609-21sendmail10:00:000
567699991815,2cyclictest582504-21cron07:20:000
567699991815,2cyclictest0-21swapper/009:15:000
567699991815,2cyclictest0-21swapper/009:10:010
567699991814,2cyclictest0-21swapper/012:15:020
567699991812,5cyclictest825899-21proc_pri10:30:320
2649091180,3phc2sys0-21swapper/309:17:003
567701991715,1cyclictest0-21swapper/207:15:012
567701991714,1cyclictest0-21swapper/212:15:022
567701991714,1cyclictest0-21swapper/211:50:342
567701991714,1cyclictest0-21swapper/211:45:342
567700991715,1cyclictest1996-21runrttasks12:28:151
567700991714,2cyclictest980123-21idleruntime-cro12:15:001
567700991714,2cyclictest965052-21systemd-run12:05:001
567700991714,2cyclictest927089-21/usr/sbin/munin11:40:321
567700991714,2cyclictest888624-21cron11:15:001
567700991714,2cyclictest852235-21cut10:50:271
567700991714,2cyclictest821261-21df10:30:231
567700991714,2cyclictest688635-21pmu-power08:40:331
567700991714,2cyclictest574198-21cpuspeed_turbos07:15:011
567700991714,2cyclictest0-21swapper/109:10:021
567700991714,2cyclictest0-21swapper/108:30:011
567700991713,2cyclictest987866-21munin-plugin-st12:20:021
567699991714,2cyclictest744763-21sed09:25:270
567699991714,2cyclictest741539-21pmu-power09:20:330
567699991713,3cyclictest3827634-1atopacctd08:15:010
383433398170,2rtkit-daemon0-21swapper/111:55:061
2649091170,2phc2sys0-21swapper/312:25:113
2649091170,2phc2sys0-21swapper/311:36:453
2649091170,2phc2sys0-21swapper/311:26:043
567701991614,1cyclictest0-21swapper/212:05:012
567701991614,1cyclictest0-21swapper/207:40:022
567701991613,1cyclictest0-21swapper/211:30:302
567701991613,1cyclictest0-21swapper/211:30:022
567701991613,1cyclictest0-21swapper/211:05:002
567701991613,1cyclictest0-21swapper/209:35:252
567701991613,1cyclictest0-21swapper/207:34:352
567701991612,2cyclictest0-21swapper/211:25:012
567701991611,3cyclictest0-21swapper/210:40:232
56770199160,9cyclictest0-21swapper/209:20:222
56770099169,3cyclictest645814-21tail08:10:231
56770099169,2cyclictest134050irq/121-eno109:25:231
56770099168,3cyclictest0-21swapper/110:55:221
567700991613,2cyclictest912079-21cpuspeed11:30:231
567700991613,2cyclictest627316-21grep07:55:271
567700991613,2cyclictest619177-21pmu-power07:45:321
567700991613,2cyclictest0-21swapper/111:15:191
567700991613,2cyclictest0-21swapper/110:50:011
567700991612,3cyclictest797556-21kworker/u16:3+nfsiod12:38:591
567700991612,3cyclictest778547-21aten_repower_vo09:55:231
567700991612,3cyclictest720775-21kworker/u16:0+nfsiod09:24:541
567700991611,2cyclictest3851703-21mta-sts-daemon11:39:311
567700991610,2cyclictest134050irq/121-eno109:45:261
56769999168,2cyclictest0-21swapper/012:25:000
56769999167,5cyclictest0-21swapper/010:35:270
56769999166,5cyclictest0-21swapper/010:45:010
56769999166,2cyclictest0-21swapper/011:07:090
56769999164,7cyclictest633085-21aten2.4-expect08:00:220
56769999164,6cyclictest652033-21aten2.4-expect08:15:210
567699991614,1cyclictest614012-21cut07:45:020
567699991613,2cyclictest901226-21kthreadcore11:20:290
567699991613,2cyclictest873496-21sh11:05:000
567699991613,2cyclictest645160-21apt-key08:10:000
567699991613,2cyclictest601467-21latency_hist07:35:010
2649091160,2phc2sys0-21swapper/309:30:233
2649091160,2phc2sys0-21swapper/309:20:253
567701991513,1cyclictest0-21swapper/210:20:312
567701991513,1cyclictest0-21swapper/209:45:222
567701991513,1cyclictest0-21swapper/208:15:012
567701991512,1cyclictest0-21swapper/212:35:322
567701991512,1cyclictest0-21swapper/211:10:272
567701991512,1cyclictest0-21swapper/210:35:282
567701991512,1cyclictest0-21swapper/209:25:112
567701991512,1cyclictest0-21swapper/208:45:012
567701991512,1cyclictest0-21swapper/208:05:002
567701991511,2cyclictest0-21swapper/209:18:122
56770199150,10cyclictest0-21swapper/210:25:212
567700991512,2cyclictest939020-21kthreadcore11:45:311
567700991512,2cyclictest833418-21grep10:35:311
567700991512,2cyclictest586314-21kthreadcore07:20:291
567700991512,2cyclictest567697-21cyclictest10:40:311
567700991512,2cyclictest3851704-21mta-sts-daemon10:25:371
567700991512,2cyclictest0-21swapper/111:25:011
567700991512,2cyclictest0-21swapper/109:55:001
567700991511,3cyclictest694956-21rt-features08:45:321
567700991511,3cyclictest694956-21rt-features08:45:321
56770099150,3cyclictest601263-21latency_hist07:35:001
56769999159,5cyclictest3851698-21mta-sts-daemon10:20:220
56769999156,5cyclictest939039-21kthreadcore11:45:300
56769999152,7cyclictest797950-21aten2.4-expect10:15:180
567699991512,2cyclictest595270-21cut07:30:020
567699991512,2cyclictest3851703-21mta-sts-daemon09:00:260
567699991512,2cyclictest3851702-21mta-sts-daemon12:38:050
567699991512,2cyclictest3851702-21mta-sts-daemon12:05:200
567699991512,2cyclictest0-21swapper/010:05:020
567699991511,2cyclictest0-21swapper/009:55:020
56769999150,10cyclictest670007-21grep08:25:350
2649091151,6phc2sys0-21swapper/311:40:213
2649091150,2phc2sys0-21swapper/310:08:503
8769282140,2sleep30-21swapper/311:05:293
56770199145,4cyclictest0-21swapper/207:55:242
56770199141,6cyclictest0-21swapper/207:20:002
567701991412,1cyclictest0-21swapper/211:05:032
567701991412,1cyclictest0-21swapper/210:05:062
567701991412,1cyclictest0-21swapper/208:20:022
567701991411,1cyclictest0-21swapper/212:28:442
567701991411,1cyclictest0-21swapper/212:21:212
567701991411,1cyclictest0-21swapper/211:55:242
567701991411,1cyclictest0-21swapper/210:58:272
567701991411,1cyclictest0-21swapper/210:50:292
567701991411,1cyclictest0-21swapper/210:12:092
567701991411,1cyclictest0-21swapper/209:55:272
567701991411,1cyclictest0-21swapper/209:10:282
567701991411,1cyclictest0-21swapper/208:55:552
567701991411,1cyclictest0-21swapper/208:05:222
567701991410,2cyclictest0-21swapper/209:05:242
56770099149,2cyclictest3851702-21mta-sts-daemon11:01:321
56770099147,5cyclictest700412-21tr08:50:291
56770099147,5cyclictest700412-21tr08:50:291
567700991411,2cyclictest800778-21kthreadcore10:15:241
567700991411,2cyclictest756914-21mailstats09:30:331
567700991411,2cyclictest726291-21proc_pri09:10:321
567700991411,2cyclictest673936-21kthreadcore08:30:291
567700991411,2cyclictest663218-21phc2sys08:20:321
567700991411,2cyclictest653777-21kthreadcore08:15:271
567700991411,2cyclictest633910-21tr08:00:281
567700991411,2cyclictest602341-21tail07:35:251
567700991411,2cyclictest1296-21polkitd12:35:011
567700991410,3cyclictest589705-21fschecks_count07:25:261
567700991410,3cyclictest575356-21kthreadcore07:15:021
567700991410,2cyclictest0-21swapper/108:40:011
56769999149,4cyclictest911811-21/usr/sbin/munin11:30:220
56769999146,4cyclictest689982-21tail08:45:210
56769999146,4cyclictest689982-21tail08:45:210
56769999145,5cyclictest858911-21cpu10:55:220
56769999145,4cyclictest677284-21/usr/sbin/munin08:35:220
56769999141,8cyclictest1290-21dbus-daemon07:10:010
56769999141,8cyclictest1290-21dbus-daemon07:10:010
567699991411,2cyclictest958450-21gltestperf12:00:250
567699991411,2cyclictest697390-21kthreadcore08:50:290
567699991411,2cyclictest697390-21kthreadcore08:50:280
567699991411,2cyclictest672359-21kthreadcore08:30:280
567699991411,2cyclictest574623-21irqcore07:15:010
567699991410,3cyclictest705969-21kthreadcore08:55:290
567699991410,3cyclictest628463-21kthreadcore07:55:300
567699991410,3cyclictest614423-21cpuspeed_turbos07:45:230
56769999140,9cyclictest686491-21kthreadcore08:40:310
2649091143,2phc2sys0-21swapper/310:44:263
2649091141,6phc2sys0-21swapper/311:15:203
2649091141,6phc2sys0-21swapper/307:30:213
2649091141,3phc2sys0-21swapper/312:30:213
2649091140,3phc2sys0-21swapper/310:55:203
2649091140,3phc2sys0-21swapper/309:43:003
2649091140,3phc2sys0-21swapper/309:36:423
2649091140,2phc2sys0-21swapper/308:37:403
7873482130,4sleep30-21swapper/310:04:223
56770199139,2cyclictest0-21swapper/209:40:472
56770199139,2cyclictest0-21swapper/208:50:332
56770199139,2cyclictest0-21swapper/208:50:332
56770199137,2cyclictest0-21swapper/209:00:212
567701991311,1cyclictest0-21swapper/212:15:232
567701991311,1cyclictest0-21swapper/211:40:272
567701991311,1cyclictest0-21swapper/210:30:292
567701991311,1cyclictest0-21swapper/208:45:222
567701991311,1cyclictest0-21swapper/208:45:222
567701991311,1cyclictest0-21swapper/207:10:012
567701991311,1cyclictest0-21swapper/207:10:012
567701991310,1cyclictest0-21swapper/209:50:252
567701991310,1cyclictest0-21swapper/207:20:252
56770099139,3cyclictest623301-21kthreadcore07:50:281
567700991310,2cyclictest926965-21kworker/u16:1-rpciod11:50:281
567700991310,2cyclictest0-21swapper/107:45:021
567699991310,2cyclictest621589-21irqrtprio07:50:270
2649091132,2phc2sys0-21swapper/307:10:283
2649091131,1phc2sys0-21swapper/310:54:083
2649091130,4phc2sys0-21swapper/310:13:413
2649091130,2phc2sys0-21swapper/312:05:283
2649091130,2phc2sys0-21swapper/311:03:593
2649091130,2phc2sys0-21swapper/309:46:213
2649091130,1phc2sys0-21swapper/312:19:513
2649091130,1phc2sys0-21swapper/309:06:103
2649091130,1phc2sys0-21swapper/308:16:563
56770199129,1cyclictest0-21swapper/208:30:282
56770199129,1cyclictest0-21swapper/208:20:292
56770199129,1cyclictest0-21swapper/207:25:302
567701991210,1cyclictest0-21swapper/212:05:232
567701991210,1cyclictest0-21swapper/207:50:282
2649091124,3phc2sys0-21swapper/307:20:023
2649091120,5phc2sys0-21swapper/310:25:213
2649091120,3phc2sys0-21swapper/311:30:553
2649091120,2phc2sys0-21swapper/311:23:233
2649091120,2phc2sys0-21swapper/311:11:293
2649091120,2phc2sys0-21swapper/310:15:523
2649091120,2phc2sys0-21swapper/308:05:223
2649091120,1phc2sys0-21swapper/309:26:313
56770199110,6cyclictest0-21swapper/207:40:212
56770099119,1cyclictest0-21swapper/107:10:011
56770099119,1cyclictest0-21swapper/107:10:011
2649091113,2phc2sys0-21swapper/309:55:403
2649091111,3phc2sys0-21swapper/309:14:323
2649091111,2phc2sys0-21swapper/307:55:373
2649091110,3phc2sys0-21swapper/311:55:223
2649091110,2phc2sys0-21swapper/310:35:203
2649091110,1phc2sys0-21swapper/312:12:453
2649091110,1phc2sys0-21swapper/308:46:473
2649091110,1phc2sys0-21swapper/308:46:473
2649091110,1phc2sys0-21swapper/308:28:563
2649091110,1phc2sys0-21swapper/307:26:343
2649091110,1phc2sys0-21swapper/307:22:103
2649091101,4phc2sys0-21swapper/307:05:213
2649091101,4phc2sys0-21swapper/307:05:213
2649091101,2phc2sys0-21swapper/310:30:233
2649091101,2phc2sys0-21swapper/307:35:213
2649091100,2phc2sys0-21swapper/312:00:353
2649091100,2phc2sys0-21swapper/311:47:483
2649091100,2phc2sys0-21swapper/310:46:063
2649091100,2phc2sys0-21swapper/310:21:223
264909191,3phc2sys0-21swapper/312:20:223
264909191,2phc2sys0-21swapper/309:50:193
264909191,2phc2sys0-21swapper/307:45:233
264909190,6phc2sys702320-21chrt08:55:193
264909190,2phc2sys0-21swapper/308:50:323
264909190,2phc2sys0-21swapper/308:50:323
264909190,2phc2sys0-21swapper/308:44:553
264909190,2phc2sys0-21swapper/308:34:563
264909190,2phc2sys0-21swapper/308:10:313
264909190,2phc2sys0-21swapper/307:50:283
264909190,2phc2sys0-21swapper/307:40:223
264909180,2phc2sys0-21swapper/308:00:213
264909180,1phc2sys0-21swapper/309:00:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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