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2026-06-01 - 21:06
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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 Jun 01, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20689672670,1sleep02068965-21ssh09:29:380
21421312610,1sleep20-21swapper/210:14:542
1890478992721,5cyclictest1290-21dbus-daemon10:15:001
1890478992521,3cyclictest2043842-21grep09:10:001
383433398240,8rtkit-daemon3851704-21mta-sts-daemon09:20:240
1890477992416,3cyclictest2256439-21ssh11:30:020
189047799240,19cyclictest2197529-21/usr/sbin/munin10:54:450
189047799240,19cyclictest2197529-21/usr/sbin/munin10:54:450
1890479992320,1cyclictest0-21swapper/212:40:002
1890479992320,1cyclictest0-21swapper/210:25:012
1890478992321,1cyclictest501rcuop/207:14:511
20567862220,2sleep12056290-21ssh09:19:501
1890479992219,1cyclictest0-21swapper/207:50:002
1890478992219,2cyclictest1290-21dbus-daemon12:30:001
1890477992218,2cyclictest1962405-21sh08:05:020
2649091215,2phc2sys0-21swapper/307:19:493
21722212210,2sleep00-21swapper/010:34:520
1890479992119,1cyclictest0-21swapper/207:15:012
1890479992118,1cyclictest0-21swapper/208:05:012
1890478992118,2cyclictest0-21swapper/111:35:031
1890478992117,1cyclictest134050irq/121-eno110:25:181
1890478992115,2cyclictest0-21swapper/110:55:011
1890478992115,2cyclictest0-21swapper/110:55:011
1890478992113,3cyclictest0-21swapper/108:20:001
1890477992118,2cyclictest2218662-21/usr/sbin/munin11:05:020
1890477992118,1cyclictest0-21swapper/007:15:020
1890477992112,5cyclictest2182390-21/usr/sbin/munin10:44:470
1890477992111,6cyclictest2109870-21kthreadcore09:54:520
1890477992110,6cyclictest0-21swapper/009:34:420
1890479992017,1cyclictest0-21swapper/211:20:012
1890478992016,3cyclictest1961951-21latency_hist08:05:011
1890478992013,3cyclictest2339186-21apt-key12:25:001
1890478992013,3cyclictest2132370-21kthreadcore10:09:471
189047799208,7cyclictest0-21swapper/009:59:430
1890479991916,1cyclictest0-21swapper/210:09:432
1890479991916,1cyclictest0-21swapper/209:35:012
1890478991916,2cyclictest2840498-21systemd-journal07:35:001
1890478991916,2cyclictest2120277-21sh10:00:011
1890478991916,2cyclictest2082665-21systemd09:35:011
1890478991916,2cyclictest1290-21dbus-daemon11:15:011
1890478991914,4cyclictest3840937-21lldpd12:16:431
189047799198,6cyclictest0-21swapper/011:14:430
1890477991916,2cyclictest2278868-21dump-pmu-power11:44:590
1890477991916,2cyclictest1-21systemd12:40:030
1890477991912,2cyclictest2235500-21/usr/sbin/munin11:19:460
2649091180,7phc2sys0-21swapper/309:19:413
1890479991815,1cyclictest0-21swapper/212:34:492
1890479991815,1cyclictest0-21swapper/212:25:002
1890479991815,1cyclictest0-21swapper/211:34:472
1890479991815,1cyclictest0-21swapper/211:25:062
1890479991815,1cyclictest0-21swapper/208:20:012
189047899188,3cyclictest501rcuop/208:22:321
189047899185,7cyclictest36-21ksoftirqd/111:04:541
1890478991815,2cyclictest2354576-21/usr/sbin/munin12:35:011
1890478991815,2cyclictest0-21swapper/110:35:011
1890478991813,1cyclictest601rcuop/311:55:401
1890478991812,1cyclictest383433398rtkit-daemon10:47:351
1890478991811,1cyclictest501rcuop/211:47:051
189047799187,7cyclictest2131407-21kthreadcore10:09:460
189047799187,6cyclictest0-21swapper/010:21:520
189047799187,6cyclictest0-21swapper/009:19:460
1890477991815,2cyclictest3851702-21mta-sts-daemon10:04:420
1890477991815,2cyclictest0-21swapper/012:10:010
1890477991814,2cyclictest0-21swapper/012:25:000
1890477991810,4cyclictest2342577-21kthreadcore12:29:500
189047799180,2cyclictest2325876-21/usr/sbin/munin12:19:480
2649091170,5phc2sys0-21swapper/307:59:413
2649091170,2phc2sys0-21swapper/312:27:563
189047999171,7cyclictest0-21swapper/210:54:432
189047999171,7cyclictest0-21swapper/210:54:432
1890479991715,1cyclictest0-21swapper/211:10:012
1890479991715,1cyclictest0-21swapper/211:00:012
1890479991715,1cyclictest0-21swapper/209:25:002
1890479991715,1cyclictest0-21swapper/208:50:012
1890479991714,1cyclictest0-21swapper/210:05:012
1890479991714,1cyclictest0-21swapper/209:39:562
1890479991714,1cyclictest0-21swapper/209:19:432
1890479991714,1cyclictest0-21swapper/209:12:102
189047899173,4cyclictest0-21swapper/109:25:311
1890478991715,1cyclictest0-21swapper/111:45:011
1890478991714,2cyclictest3851702-21mta-sts-daemon09:43:471
1890478991711,2cyclictest0-21swapper/112:10:001
1890478991711,1cyclictest601rcuop/307:15:111
1890478991711,1cyclictest491rcuog/210:39:531
189047799179,4cyclictest3851704-21mta-sts-daemon10:18:390
189047799177,5cyclictest0-21swapper/011:39:490
189047799176,6cyclictest0-21swapper/012:14:410
189047799171,8cyclictest0-21swapper/009:14:130
1890477991714,2cyclictest2263777-21uptime11:34:540
1890477991714,2cyclictest1993647-21cut08:30:020
1890477991714,2cyclictest1918216-21latency_hist07:30:010
1890477991711,5cyclictest1912044-21systemd-run07:25:010
1890477991710,6cyclictest1890474-21cyclictest10:49:540
1890477991710,5cyclictest1290-21dbus-daemon11:50:000
1890477991710,2cyclictest1924385-21munin-run07:35:000
2649091160,2phc2sys0-21swapper/310:08:193
1890479991614,1cyclictest0-21swapper/212:30:012
1890479991614,1cyclictest0-21swapper/211:40:022
1890479991614,1cyclictest0-21swapper/209:25:352
1890479991614,1cyclictest0-21swapper/208:10:022
1890479991613,1cyclictest0-21swapper/212:19:432
1890479991613,1cyclictest0-21swapper/212:01:322
1890479991613,1cyclictest0-21swapper/211:15:012
1890479991613,1cyclictest0-21swapper/210:19:412
1890479991613,1cyclictest0-21swapper/209:54:562
1890479991613,1cyclictest0-21swapper/209:10:012
1890479991613,1cyclictest0-21swapper/208:59:472
1890479991613,1cyclictest0-21swapper/208:00:012
1890479991612,2cyclictest0-21swapper/212:08:352
1890479991612,2cyclictest0-21swapper/211:59:522
1890479991612,2cyclictest0-21swapper/209:59:532
189047899169,1cyclictest501rcuop/210:23:041
189047899168,4cyclictest2025035-21kworker/1:1+events_freezable09:52:571
189047899168,3cyclictest501rcuop/208:37:031
189047899168,3cyclictest501rcuop/207:53:261
189047899168,3cyclictest501rcuop/207:23:531
189047899167,3cyclictest501rcuop/208:58:191
189047899167,3cyclictest501rcuop/208:09:301
189047899167,3cyclictest501rcuop/207:47:131
189047899167,3cyclictest501rcuop/207:27:131
189047899167,2cyclictest501rcuop/208:12:221
1890478991613,2cyclictest3834332-21rtkit-daemon11:54:551
1890478991613,2cyclictest2256373-21sh11:30:011
1890478991613,2cyclictest2023767-21kthreadcore08:54:511
1890478991613,2cyclictest2023767-21kthreadcore08:54:511
1890478991613,2cyclictest1925427-21tr07:39:441
1890478991613,2cyclictest1890474-21cyclictest10:59:461
1890478991613,2cyclictest1296-21polkitd07:45:001
1890478991611,2cyclictest134050irq/121-eno111:20:371
1890478991611,1cyclictest134050irq/121-eno109:46:081
1890478991610,1cyclictest501rcuop/212:00:481
1890478991610,1cyclictest501rcuop/209:12:161
189047799169,6cyclictest0-21swapper/011:10:000
189047799165,6cyclictest0-21swapper/008:52:490
189047799165,6cyclictest0-21swapper/008:52:490
1890477991613,2cyclictest2206841-21kthreadcore10:59:490
1890477991613,2cyclictest0-21swapper/008:40:000
1890477991613,2cyclictest0-21swapper/008:15:010
2649091155,2phc2sys0-21swapper/312:07:003
2649091150,3phc2sys0-21swapper/309:59:263
2649091150,2phc2sys0-21swapper/311:14:483
2649091150,2phc2sys0-21swapper/311:08:303
2649091150,1phc2sys0-21swapper/310:56:483
1890479991513,1cyclictest0-21swapper/210:36:472
1890479991512,2cyclictest0-21swapper/207:34:452
1890479991512,1cyclictest0-21swapper/210:49:552
1890479991512,1cyclictest0-21swapper/210:44:512
1890479991512,1cyclictest0-21swapper/209:42:302
1890479991512,1cyclictest0-21swapper/208:39:502
1890479991512,1cyclictest0-21swapper/207:30:012
1890479991511,2cyclictest0-21swapper/209:46:062
1890479991511,2cyclictest0-21swapper/209:04:552
189047899159,5cyclictest3851702-21mta-sts-daemon10:19:551
189047899158,1cyclictest501rcuop/208:42:311
189047899157,3cyclictest501rcuop/208:28:531
189047899155,5cyclictest0-21swapper/111:09:421
189047899153,6cyclictest36-21ksoftirqd/110:42:441
1890478991512,2cyclictest3851703-21mta-sts-daemon09:04:211
1890478991512,2cyclictest3851703-21mta-sts-daemon08:49:491
1890478991512,2cyclictest2356356-21aten_repower_cu12:39:421
1890478991512,2cyclictest2323334-21missed_timers12:14:501
1890478991512,2cyclictest2127720-21grep10:05:011
1890478991512,2cyclictest1955197-21ptp4l-jitter07:59:531
1890478991510,4cyclictest3851705-21mta-sts-daemon09:39:541
189047799158,6cyclictest0-21swapper/010:30:010
189047799157,4cyclictest1999734-21basename08:35:000
189047799155,5cyclictest0-21swapper/011:55:010
189047799154,6cyclictest0-21swapper/011:59:470
1890477991512,2cyclictest3851702-21mta-sts-daemon09:43:530
1890477991512,2cyclictest2349368-21uniq12:34:450
1890477991512,2cyclictest2180150-21mailstats10:39:530
1890477991512,2cyclictest2089824-21timerwakeupswit09:39:550
1890477991512,2cyclictest2012549-21latency_hist08:45:000
1890477991512,2cyclictest0-21swapper/009:00:010
1890477991512,2cyclictest0-21swapper/007:20:000
1890477991511,3cyclictest3827634-1atopacctd08:49:490
1890477991510,4cyclictest3834328-21sendmail-mta09:07:130
189047799150,3cyclictest1938245-21cut07:49:470
2649091142,2phc2sys0-21swapper/311:44:033
2649091141,3phc2sys0-21swapper/311:39:423
2649091141,2phc2sys0-21swapper/311:54:413
2649091140,5phc2sys0-21swapper/311:46:473
2649091140,4phc2sys0-21swapper/309:49:443
2649091140,2phc2sys0-21swapper/309:39:053
2649091140,1phc2sys0-21swapper/309:27:303
1890479991412,1cyclictest0-21swapper/212:13:512
1890479991412,1cyclictest0-21swapper/208:25:012
1890479991411,2cyclictest0-21swapper/211:43:562
1890479991411,1cyclictest0-21swapper/210:29:562
1890479991411,1cyclictest0-21swapper/208:44:532
1890479991411,1cyclictest0-21swapper/207:40:012
1890479991411,1cyclictest0-21swapper/207:24:502
1890479991410,2cyclictest0-21swapper/210:32:412
1890479991410,2cyclictest0-21swapper/208:34:462
189047899148,5cyclictest3851702-21mta-sts-daemon08:33:041
189047899148,1cyclictest501rcuop/209:20:341
1890478991411,2cyclictest1890538-21sh07:10:011
1890478991411,2cyclictest1890474-21cyclictest11:37:121
189047799149,4cyclictest3851703-21mta-sts-daemon08:07:340
189047799148,5cyclictest1949188-21cat07:54:550
1890477991411,2cyclictest3851704-21mta-sts-daemon08:23:140
1890477991411,2cyclictest3851702-21mta-sts-daemon09:48:040
1890477991411,2cyclictest2034087-21kthreadcore09:04:490
1890477991411,2cyclictest1980565-21switchtime08:19:550
1890477991411,2cyclictest1937137-21latency_hist07:45:010
1890477991411,2cyclictest0-21swapper/008:00:000
1890477991410,3cyclictest2097683-21kworker/u16:0+nfsiod10:11:350
1890477991410,3cyclictest1929616-21kthreadcore07:39:510
2649091131,5phc2sys0-21swapper/310:44:413
2649091130,6phc2sys0-21swapper/310:34:433
2649091130,2phc2sys0-21swapper/312:12:183
2649091130,2phc2sys0-21swapper/310:53:213
2649091130,2phc2sys0-21swapper/310:53:203
2649091130,2phc2sys0-21swapper/310:13:093
2649091130,2phc2sys0-21swapper/309:51:193
2649091130,2phc2sys0-21swapper/309:22:433
2649091130,2phc2sys0-21swapper/309:13:123
2649091130,2phc2sys0-21swapper/308:20:313
2649091130,1phc2sys0-21swapper/311:55:593
1890479991311,1cyclictest0-21swapper/211:47:472
1890479991311,1cyclictest0-21swapper/211:20:082
1890479991311,1cyclictest0-21swapper/207:44:462
1890479991311,1cyclictest0-21swapper/207:19:532
1890479991310,2cyclictest0-21swapper/208:52:122
1890479991310,2cyclictest0-21swapper/208:52:122
1890479991310,2cyclictest0-21swapper/208:14:432
1890479991310,1cyclictest0-21swapper/208:29:492
1890479991310,1cyclictest0-21swapper/207:10:012
1890478991310,2cyclictest3851702-21mta-sts-daemon11:15:391
1890477991310,2cyclictest3851705-21mta-sts-daemon12:02:220
1890477991310,2cyclictest2243872-21idleruntime11:24:480
2649091124,2phc2sys0-21swapper/312:40:023
2649091121,2phc2sys0-21swapper/309:04:423
2649091120,6phc2sys0-21swapper/311:34:073
2649091120,3phc2sys0-21swapper/309:31:063
2649091120,2phc2sys0-21swapper/310:39:413
2649091120,2phc2sys0-21swapper/307:54:553
2649091120,2phc2sys0-21swapper/307:36:573
2649091120,1phc2sys0-21swapper/312:19:563
189047999129,2cyclictest0-21swapper/211:01:462
189047999129,1cyclictest0-21swapper/211:50:112
1890479991210,1cyclictest0-21swapper/207:54:482
2649091112,2phc2sys0-21swapper/307:14:573
2649091111,3phc2sys0-21swapper/307:09:443
2649091110,2phc2sys0-21swapper/312:23:523
2649091110,2phc2sys0-21swapper/312:04:553
2649091110,2phc2sys0-21swapper/310:20:133
2649091110,2phc2sys0-21swapper/307:45:213
2649091110,1phc2sys0-21swapper/310:46:543
2649091110,1phc2sys0-21swapper/308:36:533
2649091110,1phc2sys0-21swapper/308:05:463
2649091110,1phc2sys0-21swapper/307:30:313
19370702117,2sleep30-21swapper/307:45:023
2649091101,2phc2sys0-21swapper/311:29:513
2649091101,2phc2sys0-21swapper/309:00:013
2649091100,3phc2sys0-21swapper/310:19:553
2649091100,2phc2sys0-21swapper/312:35:013
2649091100,2phc2sys0-21swapper/311:17:373
2649091100,2phc2sys0-21swapper/311:02:423
2649091100,2phc2sys0-21swapper/310:26:583
2649091100,2phc2sys0-21swapper/310:01:093
2649091100,2phc2sys0-21swapper/309:43:463
2649091100,2phc2sys0-21swapper/309:09:553
2649091100,2phc2sys0-21swapper/308:54:523
2649091100,2phc2sys0-21swapper/308:54:523
2649091100,2phc2sys0-21swapper/308:34:433
2649091100,2phc2sys0-21swapper/308:16:473
2649091100,2phc2sys0-21swapper/308:04:543
2649091100,1phc2sys0-21swapper/307:27:193
264909191,2phc2sys0-21swapper/308:44:533
264909191,2phc2sys0-21swapper/308:29:503
264909190,2phc2sys0-21swapper/311:22:263
264909190,2phc2sys0-21swapper/308:49:553
264909190,2phc2sys0-21swapper/307:24:433
264909190,1phc2sys0-21swapper/308:10:533
18904779996,2cyclictest17350irq/127-ahci[0000:00:17.0]07:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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