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2026-03-15 - 00:56
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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 all highest latencies:
System rackeslot2.osadl.org (updated Sat Mar 14, 2026 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96934021090,1sleep00-21swapper/012:24:210
53170421000,2sleep11288-1atopacctd07:51:411
7969052850,2sleep30-21swapper/310:46:413
6821092550,2sleep30-21swapper/309:41:403
7417032510,2sleep20-21swapper/210:16:342
477226992919,3cyclictest634374-21latency_hist09:15:021
477227992819,4cyclictest0-21swapper/207:50:012
477226992616,3cyclictest1290-21dbus-daemon12:10:021
477226992421,2cyclictest522030-21apt-key07:45:001
477226992414,3cyclictest1288-1atopacctd11:11:391
477225992414,9cyclictest1288-1atopacctd07:36:420
477225992413,5cyclictest935508-1ssh12:06:000
477226992320,2cyclictest1327-21in:imuxsock12:25:011
477226992314,2cyclictest0-21swapper/111:20:011
477226992314,2cyclictest0-21swapper/111:20:011
477226992219,2cyclictest660694-21kworker/u16:3-ext4-rsv-conversion12:35:001
477225992216,2cyclictest134050irq/121-eno111:01:420
477225992214,7cyclictest1288-1atopacctd10:36:430
477227992118,1cyclictest0-21swapper/212:36:442
477226992118,2cyclictest996601-21latency_hist12:40:011
477226992111,1cyclictest134050irq/121-eno109:19:571
477226992110,2cyclictest134050irq/121-eno110:06:411
47722599219,6cyclictest689723-21cut09:46:390
477225992118,2cyclictest503695-21apt-key07:30:000
477225992110,6cyclictest768542-21grep10:31:380
47722599209,7cyclictest843536-21ptp4l11:11:430
47722599208,7cyclictest0-21swapper/012:01:390
47722599208,5cyclictest0-21swapper/009:11:400
47722599203,8cyclictest540894-21telnet08:01:330
477225992014,5cyclictest856351-21/usr/sbin/munin11:21:410
477225992012,7cyclictest547169-21aten2.4-expect08:06:350
2902298200,6rtkit-daemon625103-21GUsbEventThread10:11:181
2649091200,2phc2sys0-21swapper/312:16:163
2649091200,2phc2sys0-21swapper/312:16:163
7386702190,1sleep20-21swapper/210:12:412
477227991916,1cyclictest0-21swapper/211:46:282
477227991916,1cyclictest0-21swapper/207:30:012
477227991914,3cyclictest0-21swapper/208:51:322
477227991914,3cyclictest0-21swapper/208:51:322
477226991916,2cyclictest583170-21systemd-run08:35:021
477226991916,2cyclictest546569-21apt-key08:05:001
47722599199,6cyclictest665542-21cut09:31:410
47722599198,7cyclictest679689-21acpi09:41:330
47722599198,7cyclictest599161-21kthreadcore08:46:410
47722599198,6cyclictest0-21swapper/010:01:340
47722599197,8cyclictest988185-21sh12:35:210
47722599197,8cyclictest654373-21uname09:26:390
47722599196,8cyclictest4117662-1atop11:30:010
47722599195,6cyclictest660694-21kworker/u16:3+xprtiod09:52:320
47722599193,4cyclictest874772-21grep11:31:360
477225991916,2cyclictest1326-21systemd-logind11:50:010
477225991915,3cyclictest887448-21kthreadcore11:36:410
477225991915,3cyclictest753039-21kthreadcore10:21:410
477225991915,3cyclictest616357-21kthreadcore09:01:400
477225991915,3cyclictest580131-21kthreadcore08:31:420
477225991915,3cyclictest523987-21kthreadcore07:46:400
477225991915,3cyclictest0-21swapper/012:15:000
477225991915,3cyclictest0-21swapper/010:50:020
477225991912,6cyclictest802978-21/usr/sbin/munin10:51:410
477225991910,5cyclictest489418-21tr07:16:420
477225991910,5cyclictest0-21swapper/009:55:020
2649091190,2phc2sys0-21swapper/311:07:263
477227991815,1cyclictest0-21swapper/211:12:392
477226991815,2cyclictest810544-21idleruntime-cro10:55:001
477226991815,2cyclictest696352-21/usr/sbin/munin09:50:011
477226991815,2cyclictest483488-21/usr/sbin/munin07:15:011
477226991814,2cyclictest0-21swapper/112:00:021
47722599189,5cyclictest850122-21kthreadcore11:16:400
47722599189,5cyclictest850122-21kthreadcore11:16:400
47722599189,5cyclictest791276-21ssh10:42:230
47722599189,5cyclictest0-21swapper/011:06:370
47722599189,5cyclictest0-21swapper/010:26:480
47722599188,7cyclictest911769-21kthreadcore11:51:400
47722599187,7cyclictest956747-21kthreadcore12:16:390
47722599187,7cyclictest956747-21kthreadcore12:16:390
47722599187,6cyclictest516492-21aten2.4-expect07:41:360
47722599185,8cyclictest675647-21pmu-power09:36:460
477225991815,2cyclictest749166-21wc10:20:010
477225991815,2cyclictest610295-21kthreadcore08:56:410
477225991815,2cyclictest586158-21kthreadcore08:36:420
477225991815,2cyclictest480350-21kthreadcore07:11:410
477225991814,3cyclictest982936-21kthreadcore12:31:400
477225991814,3cyclictest893302-21kthreadcore11:41:410
477225991814,3cyclictest592219-21kthreadcore08:41:410
477225991814,3cyclictest571459-21aten_repower_vo08:26:350
477225991814,3cyclictest507031-21kthreadcore07:31:410
477225991812,5cyclictest724182-21cstates10:06:350
477225991810,4cyclictest812399-21cstates10:56:360
477225991810,4cyclictest637557-21cut09:16:410
47722799176,6cyclictest0-21swapper/211:00:012
477227991714,1cyclictest0-21swapper/212:15:002
477227991714,1cyclictest0-21swapper/210:45:002
477227991714,1cyclictest0-21swapper/207:55:422
477226991715,1cyclictest704960-21/usr/sbin/munin09:55:001
477226991714,2cyclictest945114-21runrttasks12:11:351
477226991714,2cyclictest881622-21apt-key11:35:001
477226991714,2cyclictest619235-21cut09:05:001
477226991714,2cyclictest1-21systemd11:36:411
477226991713,2cyclictest768506-21fschecks_time10:31:381
477226991711,4cyclictest793206-21latency_hist10:45:021
47722599178,7cyclictest0-21swapper/009:21:380
47722599177,7cyclictest569928-21runrttasks08:21:430
47722599177,6cyclictest625384-21unin-run09:10:010
477225991714,2cyclictest918474-21aten_repower_vo11:56:330
477225991713,3cyclictest561959-21kthreadcore08:16:420
477225991713,3cyclictest555923-21kthreadcore08:11:410
477225991713,3cyclictest531488-21kthreadcore07:51:420
477225991710,4cyclictest0-21swapper/010:11:380
2902298170,4rtkit-daemon0-21swapper/108:05:471
2649091170,2phc2sys0-21swapper/310:24:383
2649091170,2phc2sys0-21swapper/310:02:583
2649091170,1phc2sys0-21swapper/311:43:053
47722799161,6cyclictest0-21swapper/208:50:012
477227991614,1cyclictest0-21swapper/210:29:142
477227991614,1cyclictest0-21swapper/210:25:022
477227991614,1cyclictest0-21swapper/208:35:022
477227991613,1cyclictest0-21swapper/212:35:002
477227991613,1cyclictest0-21swapper/212:25:012
477227991613,1cyclictest0-21swapper/211:30:012
477227991613,1cyclictest0-21swapper/210:40:002
47722699168,2cyclictest134050irq/121-eno111:08:011
47722699168,2cyclictest134050irq/121-eno109:39:301
47722699166,2cyclictest134050irq/121-eno112:26:381
477226991614,1cyclictest477223-21cyclictest09:25:121
477226991613,2cyclictest927774-21fschecks_time12:01:381
477226991613,2cyclictest822272-21kthreadcore11:01:411
477226991613,2cyclictest761772-21kthreadcore10:26:411
477226991613,2cyclictest592400-21kthreadcore08:41:411
477226991613,2cyclictest527411-21grep07:46:421
477226991613,2cyclictest510905-21fschecks_count07:36:391
477226991613,2cyclictest1288-1atopacctd09:31:411
477226991613,2cyclictest0-21swapper/111:00:001
477226991611,3cyclictest795433-21irqrtprio10:46:391
477226991611,3cyclictest753039-21kthreadcore10:21:411
47722599165,7cyclictest660694-21kworker/u16:3+xprtiod12:25:040
477225991613,2cyclictest535880-21irqrtprio07:56:410
477225991612,3cyclictest602714-21irqrtprio08:51:380
477225991612,3cyclictest602714-21irqrtprio08:51:380
477225991612,3cyclictest492587-21fschecks_time07:21:380
477225991612,3cyclictest492587-21fschecks_time07:21:380
2649091161,2phc2sys0-21swapper/311:04:153
2649091160,2phc2sys0-21swapper/311:55:403
2649091160,2phc2sys0-21swapper/309:59:173
2649091160,2phc2sys0-21swapper/309:26:143
2649091160,1phc2sys0-21swapper/312:38:283
2649091160,1phc2sys0-21swapper/310:54:253
477227991513,1cyclictest0-21swapper/210:55:012
477227991513,1cyclictest0-21swapper/208:25:012
477227991512,1cyclictest0-21swapper/212:16:352
477227991512,1cyclictest0-21swapper/212:16:352
477227991512,1cyclictest0-21swapper/212:05:012
477227991512,1cyclictest0-21swapper/211:30:072
477227991512,1cyclictest0-21swapper/211:25:012
477227991512,1cyclictest0-21swapper/211:15:232
477227991512,1cyclictest0-21swapper/211:15:232
477227991512,1cyclictest0-21swapper/211:10:012
477227991512,1cyclictest0-21swapper/209:35:002
477227991512,1cyclictest0-21swapper/209:26:462
477227991512,1cyclictest0-21swapper/209:10:012
477227991512,1cyclictest0-21swapper/208:05:002
477227991512,1cyclictest0-21swapper/207:45:002
477227991511,2cyclictest0-21swapper/211:05:002
47722699156,2cyclictest134050irq/121-eno108:46:341
477226991512,2cyclictest719943-21phc2sys10:01:451
477226991512,2cyclictest706510-21ssh09:56:361
477226991512,2cyclictest681053-21kthreadcore09:41:401
477226991512,2cyclictest645613-21kthreadcore09:21:411
477226991512,2cyclictest29021-21rtkit-daemon11:51:031
477226991512,2cyclictest1286-21avahi-daemon11:25:021
477226991511,3cyclictest744234-21kthreadcore10:16:401
477226991511,3cyclictest622388-21kthreadcore09:06:421
477226991511,3cyclictest575809-21kthreadcore08:26:421
477226991511,3cyclictest1288-1atopacctd11:26:401
47722699150,6cyclictest1996-21runrttasks12:19:251
47722699150,6cyclictest1996-21runrttasks12:19:251
2649091150,3phc2sys0-21swapper/312:34:293
47722799141,5cyclictest0-21swapper/208:30:012
47722799141,5cyclictest0-21swapper/207:20:012
477227991412,1cyclictest0-21swapper/209:45:002
477227991411,1cyclictest0-21swapper/212:30:012
477227991411,1cyclictest0-21swapper/210:46:402
477227991411,1cyclictest0-21swapper/209:37:492
477227991411,1cyclictest0-21swapper/209:21:362
477227991411,1cyclictest0-21swapper/209:20:002
477227991411,1cyclictest0-21swapper/209:14:492
477227991411,1cyclictest0-21swapper/208:56:342
477227991411,1cyclictest0-21swapper/208:06:462
477227991411,1cyclictest0-21swapper/207:25:002
477227991411,1cyclictest0-21swapper/207:25:002
477227991411,1cyclictest0-21swapper/207:11:402
477227991410,2cyclictest0-21swapper/210:00:122
47722699147,5cyclictest257-21systemd-journal07:55:421
47722699146,7cyclictest483833-21tr07:15:021
47722699141,7cyclictest1288-1atopacctd11:46:091
477226991411,2cyclictest570892-21apt08:25:001
477226991411,2cyclictest558419-21unixbench_multi08:11:471
477226991411,2cyclictest492712-21idleruntime07:21:381
477226991411,2cyclictest492712-21idleruntime07:21:381
477226991411,2cyclictest477223-21cyclictest11:40:351
477226991410,3cyclictest560184-21irqcore08:16:401
477226991410,3cyclictest506786-21kthreadcore07:31:401
47722699140,6cyclictest7763682ssh10:36:191
47722599140,1cyclictest0-21swapper/007:10:020
2649091145,2phc2sys0-21swapper/310:44:463
2649091140,2phc2sys0-21swapper/311:50:423
47722799139,2cyclictest0-21swapper/211:51:402
47722799139,2cyclictest0-21swapper/208:41:412
47722799138,2cyclictest0-21swapper/211:56:392
477227991311,1cyclictest0-21swapper/212:06:422
477227991311,1cyclictest0-21swapper/209:05:022
477227991310,1cyclictest0-21swapper/211:36:412
477227991310,1cyclictest0-21swapper/210:35:002
477227991310,1cyclictest0-21swapper/210:07:042
477227991310,1cyclictest0-21swapper/209:56:422
477227991310,1cyclictest0-21swapper/209:47:462
477227991310,1cyclictest0-21swapper/207:51:472
47722699139,3cyclictest499122-21irqrtprio07:26:401
477226991310,2cyclictest613329-21latency_hist09:00:011
477226991310,2cyclictest604264-21kthreadcore08:51:401
477226991310,2cyclictest604264-21kthreadcore08:51:401
477226991310,2cyclictest0-21swapper/108:36:441
2649091130,2phc2sys0-21swapper/311:49:453
2649091130,2phc2sys0-21swapper/311:38:213
2649091130,2phc2sys0-21swapper/311:30:033
2649091130,2phc2sys0-21swapper/311:24:583
2649091130,2phc2sys0-21swapper/310:38:103
2649091130,2phc2sys0-21swapper/310:29:053
2649091130,2phc2sys0-21swapper/310:15:573
2649091130,2phc2sys0-21swapper/309:39:333
2649091130,2phc2sys0-21swapper/308:31:483
2649091130,2phc2sys0-21swapper/307:33:503
2649091130,1phc2sys0-21swapper/312:01:213
2649091130,1phc2sys0-21swapper/309:32:393
47722799129,1cyclictest0-21swapper/211:40:532
47722799129,1cyclictest0-21swapper/208:16:362
47722799129,1cyclictest0-21swapper/208:11:402
477227991210,1cyclictest0-21swapper/209:51:402
2649091123,2phc2sys0-21swapper/311:11:153
2649091123,2phc2sys0-21swapper/308:36:413
2649091121,5phc2sys0-21swapper/309:01:333
2649091121,1phc2sys0-21swapper/309:06:023
2649091120,2phc2sys0-21swapper/312:25:013
2649091120,1phc2sys0-21swapper/309:11:273
2649091120,1phc2sys0-21swapper/308:57:013
2649091120,1phc2sys0-21swapper/307:51:133
47722799119,1cyclictest0-21swapper/208:35:332
47722799119,1cyclictest0-21swapper/207:35:082
47722799119,1cyclictest0-21swapper/207:31:022
47722799119,1cyclictest0-21swapper/207:10:012
2649091111,2phc2sys0-21swapper/311:00:013
2649091111,2phc2sys0-21swapper/310:11:323
2649091111,2phc2sys0-21swapper/310:06:473
2649091110,3phc2sys0-21swapper/312:11:433
2649091110,2phc2sys0-21swapper/311:26:383
2649091110,2phc2sys0-21swapper/309:21:483
2649091110,2phc2sys0-21swapper/308:40:503
2649091110,2phc2sys0-21swapper/308:15:013
2649091110,1phc2sys0-21swapper/308:20:503
2649091110,1phc2sys0-21swapper/307:43:073
2649091102,1phc2sys0-21swapper/309:54:203
2649091101,3phc2sys0-21swapper/307:40:023
2649091101,2phc2sys0-21swapper/312:05:373
2649091101,2phc2sys0-21swapper/311:18:003
2649091101,2phc2sys0-21swapper/311:18:003
2649091101,2phc2sys0-21swapper/309:46:343
2649091101,2phc2sys0-21swapper/309:17:413
2649091100,2phc2sys0-21swapper/312:25:493
2649091100,2phc2sys0-21swapper/310:31:243
2649091100,2phc2sys0-21swapper/308:51:403
2649091100,2phc2sys0-21swapper/308:51:403
2649091100,2phc2sys0-21swapper/308:27:433
2649091100,2phc2sys0-21swapper/307:11:383
264909190,2phc2sys0-21swapper/308:46:393
264909190,2phc2sys0-21swapper/308:16:503
264909190,2phc2sys0-21swapper/308:06:443
264909190,2phc2sys0-21swapper/308:01:353
264909190,2phc2sys0-21swapper/308:00:023
264909190,2phc2sys0-21swapper/307:46:363
264909190,2phc2sys0-21swapper/307:30:013
264909190,2phc2sys0-21swapper/307:21:443
264909190,2phc2sys0-21swapper/307:21:443
264909190,2phc2sys0-21swapper/307:15:023
264909190,2phc2sys0-21swapper/307:06:373
471499281,3sleep1471532-21apt-get07:06:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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