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2026-07-10 - 17:24
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Fri Jul 10, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67410321080,1sleep00-21swapper/011:24:010
5374452980,2sleep30-21swapper/309:49:453
5215002350,2sleep30-21swapper/309:39:433
33122999288,9cyclictest0-21swapper/010:05:030
331229992818,9cyclictest657742-21grep11:10:010
331229992810,12cyclictest711367-21aten_repower_po11:49:360
33122999270,5cyclictest517257-21ssh09:35:200
331229992617,5cyclictest724247-21/usr/sbin/munin11:55:010
33122999260,3cyclictest629968-21/usr/sbin/munin10:54:370
33122999255,14cyclictest769260-21sh12:25:340
331229992522,2cyclictest406497-21systemd08:10:010
331229992517,7cyclictest728135-21kthreadcore11:59:420
331229992515,8cyclictest781-21gmain09:10:020
33122999250,14cyclictest400012-21python308:04:500
33122999244,14cyclictest0-21swapper/012:34:350
33122999243,12cyclictest431284-21taskset08:30:020
33122999243,12cyclictest431284-21taskset08:30:020
331229992415,8cyclictest526390-21tr09:44:370
331229992415,8cyclictest0-21swapper/008:45:000
331229992414,6cyclictest331227-21cyclictest12:15:020
33122999241,3cyclictest578665-21sh10:19:380
33122999241,3cyclictest502818-21taskset09:27:160
33122999241,14cyclictest791158-21ssh12:40:020
33122999241,14cyclictest532159-21sh09:45:420
33122999241,13cyclictest680479-21sh11:26:030
33122999241,13cyclictest591555-21taskset10:25:260
33122999241,13cyclictest337183-21runrttasks07:14:590
33122999240,14cyclictest455640-21taskset08:51:040
33122999240,14cyclictest364350-21taskset07:38:550
33122999240,12cyclictest449776-21taskset08:48:270
33122999234,13cyclictest1020-21runrttasks12:00:180
33122999234,11cyclictest0-21swapper/012:08:550
33122999231,17cyclictest382350-21taskset07:51:250
33122999231,15cyclictest468000-21taskset09:03:300
33122999231,13cyclictest625529-21cut10:49:440
33122999231,12cyclictest479920-21sh09:10:210
33122999231,12cyclictest425346-21taskset08:26:320
33122999231,12cyclictest413094-21runrttasks08:15:450
33122999231,12cyclictest351969-21taskset07:25:410
331229992310,12cyclictest609138-21kthreadcore10:39:430
33122999230,4cyclictest376512-21taskset07:49:250
33122999230,18cyclictest762931-21taskset12:23:380
33122999230,18cyclictest339809-21taskset07:15:510
33122999230,16cyclictest695097-21taskset11:35:320
33122999230,13cyclictest437527-21taskset08:37:110
33122999230,13cyclictest358015-21taskset07:30:170
33122999230,13cyclictest1020-21runrttasks10:30:200
331230992214,3cyclictest0-21swapper/110:45:011
33122999226,7cyclictest17750irq/132-ahci[0000:00:17.0]08:25:000
33122999221,4cyclictest562919-21runrttasks10:08:150
33122999221,4cyclictest562919-21runrttasks10:08:150
33122999221,3cyclictest1020-21runrttasks09:55:290
33122999221,16cyclictest479557-21diskmemload09:15:280
33122999221,12cyclictest554719-21taskset10:00:580
33122999221,12cyclictest540501-21taskset09:53:280
33122999221,12cyclictest388541-21taskset07:55:060
33122999221,12cyclictest0-21swapper/009:21:000
33122999221,11cyclictest688074-21seq11:31:390
33122999221,11cyclictest406921-21runrttasks08:12:170
33122999221,11cyclictest370143-21runrttasks07:40:030
33122999220,5cyclictest754441-21taskset12:15:280
33122999220,5cyclictest635961-21runrttasks10:55:200
33122999220,3cyclictest658150-21sh11:10:290
33122999220,12cyclictest702601-21taskset11:40:530
33122999220,12cyclictest665564-21taskset11:15:360
33122999220,12cyclictest644623-21taskset11:04:120
33122999220,12cyclictest461659-21taskset08:55:210
33122999220,12cyclictest345885-21taskset07:20:160
331231992118,1cyclictest0-21swapper/211:50:002
33122999211,3cyclictest584713-21taskset10:22:020
33122999211,12cyclictest510100-21taskset09:31:120
33122999210,2cyclictest613625-21sh10:40:030
33122999210,11cyclictest569679-21taskset10:11:280
331231992017,1cyclictest0-21swapper/210:20:002
33123099200,1cyclictest672003-21ssh11:19:481
7706182190,2sleep30-21swapper/312:29:333
331231991916,1cyclictest0-21swapper/210:45:012
331231991914,2cyclictest0-21swapper/210:29:352
331230991916,2cyclictest739036-21apt-config12:05:011
331230991916,2cyclictest660-21dbus-daemon11:10:011
331230991914,1cyclictest67250irq/126-eno107:54:431
3153791191,2phc2sys0-21swapper/311:18:083
3153791190,2phc2sys0-21swapper/310:29:433
3153791190,2phc2sys0-21swapper/309:53:163
33123199183,9cyclictest0-21swapper/208:20:012
331231991816,1cyclictest0-21swapper/210:05:022
331231991816,1cyclictest0-21swapper/210:05:022
331231991815,1cyclictest0-21swapper/211:30:022
331231991815,1cyclictest0-21swapper/208:14:402
331231991815,1cyclictest0-21swapper/207:15:012
331230991815,2cyclictest665328-21systemd-run11:15:031
331230991815,2cyclictest628339-21systemd10:50:021
331230991815,2cyclictest608277-21cstates10:39:371
331230991815,2cyclictest517051-21/usr/sbin/munin09:35:021
331230991815,2cyclictest486473-21mailstats09:14:491
331230991815,2cyclictest400391-21dump-pmu-power08:05:011
331230991815,2cyclictest337547-21sh07:15:021
331230991812,2cyclictest67250irq/126-eno111:05:011
33122999181,5cyclictest331341-21systemd-run07:10:020
3153791180,3phc2sys0-21swapper/310:00:043
3153791180,2phc2sys0-21swapper/311:13:233
3153791180,2phc2sys0-21swapper/310:34:043
5501522170,2sleep20-21swapper/209:59:422
331231991715,1cyclictest0-21swapper/209:55:022
331231991715,1cyclictest0-21swapper/209:50:032
331231991715,1cyclictest0-21swapper/209:45:012
331231991714,1cyclictest0-21swapper/211:35:012
331231991714,1cyclictest0-21swapper/209:29:492
331230991714,2cyclictest731551-21sendmail12:00:001
331230991714,2cyclictest722966-21kthreadcore11:54:441
331230991714,2cyclictest548252-21/usr/sbin/munin09:59:471
331230991714,2cyclictest479557-21diskmemload10:19:441
331230991714,2cyclictest466383-21kthreadcore08:59:451
331230991714,2cyclictest458548-21kthreadcore08:54:441
331230991714,2cyclictest1247-21mta-sts-daemon12:09:501
331230991714,2cyclictest1237-21mta-sts-daemon07:59:481
331230991714,2cyclictest0-21swapper/109:25:021
331230991714,2cyclictest0-21swapper/109:10:021
3153791170,3phc2sys0-21swapper/310:03:543
3153791170,3phc2sys0-21swapper/310:03:543
3153791170,2phc2sys0-21swapper/310:55:153
3153791170,2phc2sys0-21swapper/309:26:063
39431721611,2sleep30-21swapper/308:00:023
33123199161,5cyclictest0-21swapper/207:50:012
331231991613,1cyclictest0-21swapper/212:04:352
331231991613,1cyclictest0-21swapper/209:19:462
331231991613,1cyclictest0-21swapper/209:14:402
331231991613,1cyclictest0-21swapper/207:58:162
331231991613,1cyclictest0-21swapper/207:35:012
331231991612,1cyclictest0-21swapper/211:20:012
331230991613,2cyclictest754781-21sh12:16:301
331230991613,2cyclictest518814-21head09:39:371
331230991613,2cyclictest424932-21ls08:25:001
331230991613,2cyclictest1247-21mta-sts-daemon08:30:011
331230991613,2cyclictest1020-21runrttasks12:22:521
331230991613,2cyclictest1020-21runrttasks11:48:211
331230991612,2cyclictest693-21systemd-logind10:55:021
331230991611,2cyclictest479557-21diskmemload12:38:531
331230991610,5cyclictest770980-21cpuspeed_turbos12:29:361
331230991610,5cyclictest1242-21mta-sts-daemon09:45:461
33123099160,1cyclictest0-21swapper/107:40:021
3153791160,3phc2sys0-21swapper/310:35:393
3153791160,2phc2sys0-21swapper/312:25:023
3153791160,2phc2sys0-21swapper/312:14:273
3153791160,2phc2sys0-21swapper/312:04:483
3153791160,2phc2sys0-21swapper/309:04:483
331231991513,1cyclictest0-21swapper/211:39:402
331231991512,1cyclictest0-21swapper/212:35:012
331231991512,1cyclictest0-21swapper/212:17:082
331231991512,1cyclictest0-21swapper/211:40:272
331231991512,1cyclictest0-21swapper/210:37:162
331231991512,1cyclictest0-21swapper/210:34:402
331231991512,1cyclictest0-21swapper/209:40:012
331231991512,1cyclictest0-21swapper/209:24:522
331231991512,1cyclictest0-21swapper/208:54:502
331231991511,2cyclictest0-21swapper/212:09:442
331231991511,2cyclictest0-21swapper/207:25:002
331231991510,3cyclictest0-21swapper/210:07:282
331231991510,3cyclictest0-21swapper/210:07:282
33123099159,5cyclictest1242-21mta-sts-daemon11:30:221
33123099157,3cyclictest0-21swapper/109:53:081
33123099152,5cyclictest1246-21mta-sts-daemon09:44:061
331230991512,2cyclictest709233-21unixbench_multi11:44:491
331230991512,2cyclictest678512-21kthreadcore11:24:441
331230991512,2cyclictest600972-21fschecks_count10:34:381
331230991512,2cyclictest594126-21irqrtprio10:29:411
331230991512,2cyclictest331227-21cyclictest09:19:421
331230991512,2cyclictest1020-21runrttasks10:24:321
331230991512,2cyclictest0-21swapper/108:40:001
331230991511,3cyclictest684507-21kthreadcore11:29:431
331230991511,3cyclictest572120-21kthreadcore10:14:421
331230991511,3cyclictest568394-21ptp4l-jitter10:09:481
331230991511,3cyclictest568394-21ptp4l-jitter10:09:481
331230991511,3cyclictest450132-21cpuspeed_turbos08:49:371
331230991511,3cyclictest349026-21kthreadcore07:24:461
331230991511,3cyclictest0-21swapper/107:29:441
331230991510,2cyclictest1237-21mta-sts-daemon12:11:031
31537911510,2phc2sys0-21swapper/310:44:363
3153791150,2phc2sys0-21swapper/311:45:433
33123199141,2cyclictest0-21swapper/207:20:012
331231991411,1cyclictest0-21swapper/212:38:372
331231991411,1cyclictest0-21swapper/212:24:442
331231991411,1cyclictest0-21swapper/212:14:012
331231991411,1cyclictest0-21swapper/210:52:052
331231991411,1cyclictest0-21swapper/210:46:482
331231991411,1cyclictest0-21swapper/210:25:002
331231991411,1cyclictest0-21swapper/210:12:062
331231991411,1cyclictest0-21swapper/209:34:392
331231991411,1cyclictest0-21swapper/209:04:562
331231991411,1cyclictest0-21swapper/208:09:392
331231991411,1cyclictest0-21swapper/208:04:502
331231991411,1cyclictest0-21swapper/207:45:012
33123099146,1cyclictest501rcuop/208:14:381
331230991412,2cyclictest351ktimers/110:55:481
331230991412,1cyclictest4922-21rtkit-daemon09:27:161
331230991412,1cyclictest0-21swapper/110:00:041
331230991412,1cyclictest0-21swapper/110:00:041
331230991411,2cyclictest469897-21kthreadcore09:04:431
331230991411,2cyclictest413261-21sshd08:17:481
331230991411,2cyclictest401795-21gltestperf08:09:421
331230991411,2cyclictest345666-21sh07:20:011
331230991411,2cyclictest1247-21mta-sts-daemon11:39:081
331230991411,2cyclictest1247-21mta-sts-daemon07:49:471
331230991410,3cyclictest1247-21mta-sts-daemon12:32:431
331230991410,2cyclictest0-21swapper/108:35:011
331230991410,2cyclictest0-21swapper/108:35:011
3153791148,3phc2sys0-21swapper/311:59:373
3153791141,6phc2sys0-21swapper/308:19:373
3153791141,2phc2sys0-21swapper/310:54:083
3153791140,4phc2sys0-21swapper/311:34:353
3153791140,3phc2sys0-21swapper/309:09:433
3153791140,2phc2sys0-21swapper/311:50:023
3153791140,2phc2sys0-21swapper/311:40:213
3153791140,2phc2sys0-21swapper/307:12:463
33123199139,2cyclictest0-21swapper/211:00:182
33123199136,4cyclictest0-21swapper/208:49:362
33123199131,5cyclictest0-21swapper/211:54:362
33123199131,4cyclictest0-21swapper/211:10:012
331231991311,1cyclictest0-21swapper/209:10:012
331231991310,1cyclictest0-21swapper/212:27:412
331231991310,1cyclictest0-21swapper/211:59:422
331231991310,1cyclictest0-21swapper/211:20:362
331231991310,1cyclictest0-21swapper/211:10:512
331231991310,1cyclictest0-21swapper/208:44:432
331231991310,1cyclictest0-21swapper/208:24:472
331231991310,1cyclictest0-21swapper/207:53:292
33123199130,7cyclictest0-21swapper/211:00:012
33123199130,6cyclictest0-21swapper/208:40:012
33123099138,4cyclictest1237-21mta-sts-daemon08:44:101
331230991310,2cyclictest331227-21cyclictest07:34:391
33123099130,5cyclictest373807-21kthreadcore07:44:461
3153791134,2phc2sys0-21swapper/309:22:533
3153791132,2phc2sys0-21swapper/308:56:123
3153791131,2phc2sys0-21swapper/307:29:413
3153791130,4phc2sys0-21swapper/311:00:073
3153791130,2phc2sys0-21swapper/311:26:263
3153791130,2phc2sys0-21swapper/310:46:503
7767182120,5sleep30-21swapper/312:30:543
33123199121,5cyclictest0-21swapper/207:30:012
33123199121,3cyclictest0-21swapper/208:30:012
331231991210,1cyclictest0-21swapper/208:59:442
33123099129,2cyclictest331227-21cyclictest07:10:011
3153791123,2phc2sys0-21swapper/310:11:073
3153791121,1phc2sys0-21swapper/309:42:393
3153791120,4phc2sys0-21swapper/312:39:363
3153791120,2phc2sys0-21swapper/310:05:253
3153791120,2phc2sys0-21swapper/310:05:253
33123199119,1cyclictest0-21swapper/208:31:232
33123199119,1cyclictest0-21swapper/208:31:232
33123199119,1cyclictest0-21swapper/207:35:042
3153791113,2phc2sys0-21swapper/310:17:373
3153791112,2phc2sys0-21swapper/309:17:443
3153791112,2phc2sys0-21swapper/309:14:433
3153791110,5phc2sys0-21swapper/307:09:363
3153791110,3phc2sys0-21swapper/311:24:423
3153791110,2phc2sys0-21swapper/310:24:063
3153791110,2phc2sys0-21swapper/308:54:403
3153791110,2phc2sys0-21swapper/308:34:363
3153791110,2phc2sys0-21swapper/308:34:363
3153791110,2phc2sys0-21swapper/307:54:373
3153791110,2phc2sys0-21swapper/307:39:433
3153791110,1phc2sys0-21swapper/307:15:513
33123199101,4cyclictest0-21swapper/207:10:012
3153791101,2phc2sys0-21swapper/312:08:103
3153791101,2phc2sys0-21swapper/307:44:443
3153791101,2phc2sys0-21swapper/307:24:443
3153791101,1phc2sys0-21swapper/308:29:433
3153791100,3phc2sys0-21swapper/311:36:203
3153791100,2phc2sys0-21swapper/312:19:413
3153791100,2phc2sys0-21swapper/311:06:023
3153791100,2phc2sys0-21swapper/309:32:193
3153791100,2phc2sys0-21swapper/308:39:213
3153791100,2phc2sys0-21swapper/308:14:453
3153791100,2phc2sys0-21swapper/308:07:593
3153791100,2phc2sys0-21swapper/307:35:023
315379190,2phc2sys0-21swapper/308:49:353
315379190,2phc2sys0-21swapper/308:24:563
315379190,2phc2sys0-21swapper/307:47:043
315379190,1phc2sys0-21swapper/308:41:013
315379190,1phc2sys0-21swapper/308:02:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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