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2026-04-27 - 19:42
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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 Mon Apr 27, 2026 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221279921680,4sleep0191rcu_preempt07:40:460
221279921680,4sleep0191rcu_preempt07:40:450
225461221610,3sleep12254616-21kthreadcore08:15:411
217731821070,2sleep30-21swapper/307:15:393
24158362990,1sleep00-21swapper/010:10:430
22879052970,1sleep00-21swapper/008:40:440
22670652350,3sleep02267068-21kthreadcore08:25:420
2166912992817,6cyclictest2599357-21acpi12:15:310
2166912992810,13cyclictest0-21swapper/010:48:060
2166912992724,2cyclictest2188172-21http07:25:010
2166912992615,7cyclictest0-21swapper/010:20:020
216691299250,8cyclictest2440644-21ssh10:30:010
2166913992421,2cyclictest2166909-21cyclictest07:10:011
216691299249,7cyclictest0-21swapper/009:30:020
2166912992411,5cyclictest2617031-21kthreadcore12:25:380
216691299239,5cyclictest0-21swapper/011:45:330
2166912992314,5cyclictest2307796-21/usr/sbin/munin09:00:360
2166912992313,6cyclictest2564664-21grep11:50:400
2166912992312,6cyclictest2454113-21cat10:35:460
2166912992312,5cyclictest2478466-21latency_hist10:55:020
383433398220,5rtkit-daemon3851705-21mta-sts-daemon11:57:590
2166913992219,2cyclictest2173606-21grep07:15:021
2166913992219,2cyclictest0-21swapper/109:55:021
2166913992217,3cyclictest0-21swapper/110:20:031
2166913992216,2cyclictest2451536-21kthreadcore10:35:421
216691299229,6cyclictest0-21swapper/009:45:020
2166912992219,2cyclictest2167072-21/usr/sbin/munin07:10:020
216691299221,2cyclictest2448126-21munin-run10:35:000
2166912992212,5cyclictest3851702-21mta-sts-daemon12:24:460
2166912992212,5cyclictest3851702-21mta-sts-daemon12:24:460
2166914992118,1cyclictest0-21swapper/212:35:362
2166914992118,1cyclictest0-21swapper/208:40:002
2166913992117,3cyclictest3827634-1atopacctd10:28:051
2166913992117,3cyclictest0-21swapper/107:25:021
2166913992114,2cyclictest17350irq/127-ahci[0000:00:17.0]10:45:351
2166913992112,2cyclictest2521545-21mailstats11:20:451
216691299216,10cyclictest2521537-21mailstats11:20:450
216691299214,4cyclictest2340791-21tr09:20:450
2166912992119,1cyclictest2334993-21grep09:20:000
2166914992018,1cyclictest0-21swapper/207:15:022
2166914992017,1cyclictest0-21swapper/208:10:012
2166914992017,1cyclictest0-21swapper/208:05:002
2166913992017,2cyclictest2294241-21sensors_temp08:45:451
2166913992017,2cyclictest0-21swapper/112:00:011
2166913992015,1cyclictest134050irq/121-eno107:25:341
2166913992013,3cyclictest2412367-21kthreadcore10:10:381
2166913992013,2cyclictest134050irq/121-eno112:05:201
2166913992012,1cyclictest383433398rtkit-daemon12:03:131
216691299208,7cyclictest0-21swapper/010:55:350
216691299207,2cyclictest0-21swapper/010:43:040
216691299206,4cyclictest0-21swapper/008:55:340
216691299200,2cyclictest2276506-21/usr/sbin/munin08:35:450
2166914991916,1cyclictest0-21swapper/212:05:402
2166914991916,1cyclictest0-21swapper/210:25:002
216691399198,1cyclictest134050irq/121-eno111:53:361
216691399193,5cyclictest2611480-21cut12:20:401
216691399193,5cyclictest2611480-21cut12:20:401
2166913991916,2cyclictest3851875-21systemd-journal12:30:021
2166913991915,1cyclictest491rcuog/209:35:511
2166913991914,1cyclictest25314221systemd-run11:30:021
2166913991914,1cyclictest134050irq/121-eno111:20:021
2166913991912,2cyclictest134050irq/121-eno110:55:011
216691299199,5cyclictest0-21swapper/010:05:140
216691299198,3cyclictest0-21swapper/007:50:340
216691299194,5cyclictest2257699-21cat08:20:020
216691299190,18cyclictest0-21swapper/012:00:440
2649091180,2phc2sys0-21swapper/309:42:343
2166914991814,2cyclictest0-21swapper/211:25:412
216691399184,9cyclictest2554235-21aten2.4-expect11:45:331
2166913991815,2cyclictest2592573-21gltestperf12:10:361
2166913991815,2cyclictest2592573-21gltestperf12:10:361
2166913991814,3cyclictest3827634-1atopacctd08:55:421
2166913991814,3cyclictest2197928-21kthreadcore07:30:391
2166913991814,3cyclictest0-21swapper/108:30:021
2166913991812,5cyclictest2375375-21kthreadcore09:45:401
2166913991812,2cyclictest134050irq/121-eno109:30:451
216691399180,6cyclictest2320506-21ssh09:10:331
216691299187,5cyclictest0-21swapper/011:25:060
2166912991815,2cyclictest2200970-21systemd-run07:35:000
2166912991815,2cyclictest1996-21runrttasks12:12:480
2166912991815,2cyclictest1996-21runrttasks12:12:480
2166912991815,2cyclictest1996-21runrttasks11:43:310
2649091170,2phc2sys0-21swapper/310:28:543
216691499172,7cyclictest0-21swapper/208:20:012
2166914991715,1cyclictest0-21swapper/211:10:012
2166914991715,1cyclictest0-21swapper/207:45:012
2166914991715,1cyclictest0-21swapper/207:45:012
2166914991714,1cyclictest0-21swapper/211:10:332
2166914991714,1cyclictest0-21swapper/211:00:392
2166914991714,1cyclictest0-21swapper/210:15:012
216691399179,2cyclictest383433398rtkit-daemon09:19:471
216691399175,7cyclictest3834332-21rtkit-daemon11:36:421
216691399175,7cyclictest2500305-21diskmemload11:08:391
216691399173,9cyclictest2396401-21irqcore10:00:381
2166913991714,2cyclictest3827634-1atopacctd10:30:401
2166913991714,2cyclictest2479356-21cut10:55:371
2166913991714,2cyclictest2246030-21gltestperf08:10:361
2166913991714,2cyclictest1326-21systemd-logind10:45:011
2166913991714,2cyclictest0-21swapper/112:20:011
2166913991713,3cyclictest2406510-21kthreadcore10:05:421
2166913991713,3cyclictest2273170-21kthreadcore08:30:401
2166913991713,3cyclictest0-21swapper/107:55:001
2166913991712,4cyclictest2309891-21kthreadcore09:00:401
216691399171,11cyclictest2336051-21diskstats09:20:361
216691399170,2cyclictest0-21swapper/109:40:341
216691299175,4cyclictest0-21swapper/011:00:460
216691299174,6cyclictest0-21swapper/011:05:060
216691299174,6cyclictest0-21swapper/007:10:060
216691299173,7cyclictest2478241-21kworker/u16:1+xprtiod12:30:040
216691299172,5cyclictest491rcuog/209:35:510
216691299171,4cyclictest2239005-21/usr/sbin/munin08:05:370
2166912991714,2cyclictest2386013-21grep09:50:460
2166912991714,2cyclictest2321317-21if_eno109:10:380
2166912991714,2cyclictest1290-21dbus-daemon08:15:000
2649091162,2phc2sys0-21swapper/309:54:173
2649091160,2phc2sys0-21swapper/312:08:343
2649091160,2phc2sys0-21swapper/309:47:143
2649091160,1phc2sys0-21swapper/312:28:283
2166914991614,1cyclictest0-21swapper/209:00:012
2166914991614,1cyclictest0-21swapper/207:55:022
2166914991613,1cyclictest0-21swapper/211:40:012
2166914991613,1cyclictest0-21swapper/210:57:122
2166914991613,1cyclictest0-21swapper/210:35:002
2166914991613,1cyclictest0-21swapper/210:15:362
2166914991613,1cyclictest0-21swapper/209:59:302
2166914991613,1cyclictest0-21swapper/209:50:462
2166914991613,1cyclictest0-21swapper/209:30:002
2166914991613,1cyclictest0-21swapper/208:20:392
216691399168,4cyclictest134050irq/121-eno108:05:321
216691399168,3cyclictest134050irq/121-eno108:50:361
216691399168,3cyclictest134050irq/121-eno108:35:321
216691399164,7cyclictest2491367-21proc_pri11:00:441
216691399164,3cyclictest2427275-21irqrtprio10:20:381
2166913991613,2cyclictest2504171-21kthreadcore11:10:411
2166913991613,2cyclictest0-21swapper/112:40:021
2166913991613,2cyclictest0-21swapper/108:05:001
2166913991612,3cyclictest2537519-21sh11:31:261
2166913991612,3cyclictest2316970-21kthreadcore09:05:421
2166913991612,3cyclictest2229165-21kthreadcore07:55:411
2166913991610,1cyclictest383433398rtkit-daemon11:41:181
216691399160,6cyclictest2617389-21kthreadcore12:25:381
216691299163,6cyclictest0-21swapper/012:06:060
216691299162,3cyclictest0-21swapper/012:35:430
216691299162,3cyclictest0-21swapper/011:14:350
216691299162,3cyclictest0-21swapper/009:49:510
216691299161,5cyclictest2276300-21cat08:35:010
2166912991613,2cyclictest2531710-21aten2.4-expect11:30:330
2166912991613,2cyclictest1290-21dbus-daemon09:10:000
2166912991611,4cyclictest2428536-21cut10:20:390
2166912991610,4cyclictest1-21systemd07:30:010
216691299160,8cyclictest2178933-21cut07:15:400
216691299160,4cyclictest2290537-21grep08:45:400
216691299160,3cyclictest0-21swapper/009:55:180
216691299160,3cyclictest0-21swapper/009:33:580
2649091151,2phc2sys0-21swapper/311:44:143
2649091150,3phc2sys0-21swapper/309:18:313
2649091150,2phc2sys0-21swapper/311:49:553
216691499151,8cyclictest0-21swapper/212:30:012
216691499151,6cyclictest0-21swapper/209:10:332
2166914991513,1cyclictest0-21swapper/210:40:012
2166914991513,1cyclictest0-21swapper/208:10:362
2166914991513,1cyclictest0-21swapper/207:15:392
2166914991512,1cyclictest0-21swapper/212:10:392
2166914991512,1cyclictest0-21swapper/212:10:392
2166914991512,1cyclictest0-21swapper/212:00:432
2166914991512,1cyclictest0-21swapper/211:55:362
2166914991512,1cyclictest0-21swapper/211:53:412
2166914991512,1cyclictest0-21swapper/211:31:492
2166914991512,1cyclictest0-21swapper/210:29:522
2166914991512,1cyclictest0-21swapper/207:50:012
2166914991511,2cyclictest0-21swapper/212:18:132
216691399159,2cyclictest134050irq/121-eno109:55:381
216691399151,9cyclictest2343646-21perl09:25:361
216691399151,3cyclictest2214902-21irqrtprio07:45:381
2166913991512,2cyclictest2283480-21gltestperf08:40:381
2166913991512,2cyclictest2202596-21kthreadcore07:35:401
2166913991512,2cyclictest2202596-21kthreadcore07:35:401
2166913991512,2cyclictest2177189-21kernelversion07:15:391
2166913991511,3cyclictest2208892-21kthreadcore07:40:391
2166913991511,3cyclictest2208892-21kthreadcore07:40:391
216691299158,6cyclictest3851698-21mta-sts-daemon08:50:350
216691299158,5cyclictest2514099-21/usr/sbin/munin11:15:450
216691299158,5cyclictest2204643-21tr07:35:410
216691299158,5cyclictest2204643-21tr07:35:410
216691299157,7cyclictest2541174-21kthreadcore11:35:400
2166912991512,2cyclictest3851705-21mta-sts-daemon07:50:000
2166912991512,2cyclictest2258082-21cpuspeed_turbos08:20:350
2166912991512,2cyclictest2238538-21apt-config08:05:000
2166912991512,2cyclictest2226621-21cstates07:55:350
2649091141,3phc2sys0-21swapper/312:30:323
2649091141,2phc2sys0-21swapper/311:39:573
2649091140,6phc2sys0-21swapper/307:05:343
2649091140,4phc2sys0-21swapper/310:11:133
2649091140,3phc2sys0-21swapper/310:00:333
2649091140,2phc2sys0-21swapper/312:12:243
2649091140,2phc2sys0-21swapper/312:12:243
2649091140,2phc2sys0-21swapper/309:57:263
2649091140,2phc2sys0-21swapper/307:13:203
216691499141,5cyclictest0-21swapper/209:45:332
2166914991412,1cyclictest0-21swapper/210:05:412
2166914991412,1cyclictest0-21swapper/208:25:412
2166914991412,1cyclictest0-21swapper/207:10:022
2166914991411,1cyclictest0-21swapper/212:32:042
2166914991411,1cyclictest0-21swapper/212:20:352
2166914991411,1cyclictest0-21swapper/212:20:352
2166914991411,1cyclictest0-21swapper/211:40:392
2166914991411,1cyclictest0-21swapper/211:20:352
2166914991411,1cyclictest0-21swapper/210:45:402
2166914991411,1cyclictest0-21swapper/209:45:012
2166914991411,1cyclictest0-21swapper/209:35:442
2166914991411,1cyclictest0-21swapper/209:30:322
2166914991411,1cyclictest0-21swapper/209:15:342
2166914991411,1cyclictest0-21swapper/207:25:452
2166914991411,1cyclictest0-21swapper/207:25:012
216691399141,8cyclictest2257828-21apt-get08:20:331
2166912991410,3cyclictest2398222-21kthreadcore10:00:400
2649091131,2phc2sys0-21swapper/311:58:133
2649091130,2phc2sys0-21swapper/312:17:583
2649091130,2phc2sys0-21swapper/310:56:373
2649091130,2phc2sys0-21swapper/309:22:153
2649091130,2phc2sys0-21swapper/309:13:513
2649091130,2phc2sys0-21swapper/308:00:283
2649091130,1phc2sys0-21swapper/308:44:503
2649091130,1phc2sys0-21swapper/308:25:303
2166914991311,1cyclictest0-21swapper/210:50:402
2166914991311,1cyclictest0-21swapper/209:05:432
2166914991311,1cyclictest0-21swapper/209:00:332
2166914991311,1cyclictest0-21swapper/208:45:372
2166914991311,1cyclictest0-21swapper/207:30:322
2166914991310,1cyclictest0-21swapper/211:15:392
2166914991310,1cyclictest0-21swapper/210:00:402
2166914991310,1cyclictest0-21swapper/209:23:182
2166914991310,1cyclictest0-21swapper/208:55:012
2166914991310,1cyclictest0-21swapper/208:40:442
2166914991310,1cyclictest0-21swapper/208:30:412
2649091123,3phc2sys0-21swapper/311:05:013
2649091122,5phc2sys0-21swapper/311:50:453
2649091120,5phc2sys0-21swapper/309:25:323
2649091120,3phc2sys0-21swapper/310:20:333
2649091120,2phc2sys0-21swapper/312:01:383
2649091120,2phc2sys0-21swapper/310:43:063
2649091120,2phc2sys0-21swapper/310:05:343
2649091120,2phc2sys0-21swapper/309:35:353
2649091120,2phc2sys0-21swapper/308:17:073
216691499129,1cyclictest0-21swapper/208:00:012
216691499129,1cyclictest0-21swapper/207:35:392
216691499129,1cyclictest0-21swapper/207:35:392
2166914991210,1cyclictest0-21swapper/211:45:412
2649091111,2phc2sys0-21swapper/311:10:313
2649091111,2phc2sys0-21swapper/311:05:453
2649091111,2phc2sys0-21swapper/310:20:013
2649091110,2phc2sys0-21swapper/310:35:003
2649091110,2phc2sys0-21swapper/308:46:013
2649091110,1phc2sys0-21swapper/309:06:303
2649091110,1phc2sys0-21swapper/309:04:083
2649091110,1phc2sys0-21swapper/308:33:113
2649091110,1phc2sys0-21swapper/308:23:143
216691499119,1cyclictest0-21swapper/210:40:372
2649091102,2phc2sys0-21swapper/307:20:473
2649091101,2phc2sys0-21swapper/311:28:353
2649091101,2phc2sys0-21swapper/311:24:543
2649091101,2phc2sys0-21swapper/311:17:293
2649091101,2phc2sys0-21swapper/308:10:393
2649091101,1phc2sys0-21swapper/308:38:213
2649091100,6phc2sys0-21swapper/310:45:323
2649091100,2phc2sys0-21swapper/312:20:383
2649091100,2phc2sys0-21swapper/312:20:383
2649091100,2phc2sys0-21swapper/310:54:083
2649091100,1phc2sys0-21swapper/308:05:243
264909191,2phc2sys0-21swapper/311:30:433
264909191,2phc2sys0-21swapper/308:55:363
264909190,2phc2sys0-21swapper/310:35:283
264909190,2phc2sys0-21swapper/309:30:383
264909190,2phc2sys0-21swapper/308:50:273
264909190,2phc2sys0-21swapper/307:55:413
264909190,2phc2sys0-21swapper/307:50:363
264909190,2phc2sys0-21swapper/307:45:393
264909190,2phc2sys0-21swapper/307:41:053
264909190,2phc2sys0-21swapper/307:41:053
264909190,2phc2sys0-21swapper/307:35:333
264909190,2phc2sys0-21swapper/307:35:333
264909190,2phc2sys0-21swapper/307:30:323
264909190,1phc2sys0-21swapper/312:35:413
264909180,2phc2sys0-21swapper/307:25:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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