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2026-01-01 - 10:42
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack0slot2.osadl.org (updated Thu Jan 01, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
68132725747,7sleep60-21swapper/619:06:586
68114424737,7sleep50-21swapper/519:04:255
6812822439,30sleep70-21swapper/719:06:197
68140923424,7sleep40-21swapper/419:08:094
681736993230,2cyclictest1179546-21kworker/u16:3+events_unbound23:26:526
681736993129,2cyclictest1257092-21kworker/u16:6+events_unbound00:27:516
681736993129,2cyclictest1044978-21kworker/u16:2+events_unbound22:28:446
681736993129,2cyclictest1044978-21kworker/u16:2+events_unbound22:19:526
681736993129,2cyclictest1044978-21kworker/u16:2+events_unbound22:19:526
681736993028,2cyclictest918236-21kworker/u16:3+events_unbound21:15:526
681736993028,2cyclictest3303372-21kworker/u16:2+events_unbound19:54:526
681736993028,2cyclictest1307665-21kworker/u16:2+events_unbound00:37:516
681727993028,2cyclictest1122637-21kworker/u16:4+events_unbound22:54:084
681736992927,2cyclictest918236-21kworker/u16:3+events_unbound22:17:166
681736992927,2cyclictest879742-21kworker/u16:1+events_unbound21:21:526
681736992927,2cyclictest1228090-21kworker/u16:3+events_unbound23:56:526
681736992927,2cyclictest1189878-21kworker/u16:1+events_unbound23:48:426
681736992927,2cyclictest1112454-21kworker/u16:3+events_unbound23:02:526
681733992927,2cyclictest681514-21kworker/u16:1+flush-8:019:39:205
681736992826,2cyclictest928075-21kworker/u16:4+events_unbound21:42:526
681736992826,2cyclictest1237620-21kworker/u16:4+events_unbound00:30:566
681736992826,2cyclictest1112454-21kworker/u16:3+events_unbound22:52:526
681727992825,2cyclictest681514-21kworker/u16:1+flush-8:019:28:574
681727992825,2cyclictest3303372-21kworker/u16:2+events_unbound19:08:564
681736992725,2cyclictest986362-21kworker/u16:0+events_unbound21:59:476
681736992725,2cyclictest928075-21kworker/u16:4+events_unbound22:10:126
681736992725,2cyclictest928075-21kworker/u16:4+events_unbound22:05:486
681736992725,2cyclictest879742-21kworker/u16:1+events_unbound21:27:536
681736992725,2cyclictest811842-21kworker/u16:0+events_unbound20:14:526
681736992725,2cyclictest681514-21kworker/u16:1+events_unbound19:50:166
681736992725,2cyclictest1044978-21kworker/u16:2+events_unbound23:42:286
681736992625,1cyclictest879742-21kworker/u16:1+events_unbound21:11:246
681736992624,2cyclictest879742-21kworker/u16:1+flush-8:021:03:426
681736992624,2cyclictest753291-21kworker/u16:3+events_unbound20:42:176
681736992624,2cyclictest4151265-21kworker/u16:0+events_unbound19:11:176
681736992624,2cyclictest3303372-21kworker/u16:2+events_unbound20:09:066
681736992624,2cyclictest1257092-21kworker/u16:6+events_unbound00:17:256
681736992624,2cyclictest1247976-21kworker/u16:5+events_unbound00:02:156
681736992623,2cyclictest1228090-21kworker/u16:3+events_unbound00:07:006
681733992623,2cyclictest986552-21kworker/u16:2+flush-8:021:43:575
9127702250,1chrt0-21swapper/421:04:014
681736992523,2cyclictest918236-21kworker/u16:3+flush-8:021:48:376
681736992523,2cyclictest879742-21kworker/u16:1+events_unbound21:30:166
681736992523,2cyclictest879742-21kworker/u16:1+events_unbound20:52:176
681736992523,2cyclictest743235-21kworker/u16:0+events_unbound19:35:176
681736992523,2cyclictest3303372-21kworker/u16:2+events_unbound20:27:526
681736992523,2cyclictest1189878-21kworker/u16:1+events_unbound23:33:396
681736992523,2cyclictest1044978-21kworker/u16:2+events_unbound23:17:246
681727992521,3cyclictest1044978-21kworker/u16:2+events_unbound23:04:044
681738992422,1cyclictest908529-21basename21:03:427
681736992422,2cyclictest879742-21kworker/u16:1+events_unbound21:51:326
681736992422,2cyclictest879742-21kworker/u16:1+events_unbound21:07:166
681736992422,2cyclictest830969-21kworker/u16:1+events_unbound20:37:526
681736992422,2cyclictest1257092-21kworker/u16:6+flush-8:000:23:416
681736992422,2cyclictest1064386-21kworker/u16:1+events_unbound22:39:486
681736992421,2cyclictest879742-21kworker/u16:1+events_unbound21:53:436
681727992422,2cyclictest753291-21kworker/u16:3+flush-8:020:18:574
681727992421,2cyclictest928075-21kworker/u16:4+events_unbound21:13:594
681727992421,2cyclictest3303372-21kworker/u16:2+events_unbound20:48:564
681736992321,2cyclictest681514-21kworker/u16:1+events_unbound19:27:566
681736992321,2cyclictest681514-21kworker/u16:1+events_unbound19:19:206
681736992321,2cyclictest3303372-21kworker/u16:2+events_unbound20:03:166
681736992321,2cyclictest3303372-21kworker/u16:2+events_unbound20:03:166
681736992321,2cyclictest3303372-21kworker/u16:2+events_unbound19:41:566
681736992321,2cyclictest3303372-21kworker/u16:2+events_unbound19:17:486
681736992321,2cyclictest3303372-21kworker/u16:2+events_unbound19:17:486
681736992321,2cyclictest1177661-21kworker/u16:0+events_unbound23:35:486
681736992321,2cyclictest1044978-21kworker/u16:2+events_unbound22:35:486
681733992319,3cyclictest1249523-21iostat_ios23:58:595
681727992321,2cyclictest3303372-21kworker/u16:2+events_unbound19:39:244
681727992321,2cyclictest1044978-21kworker/u16:2+events_unbound23:18:554
681727992320,2cyclictest1064386-21kworker/u16:1+flush-8:022:49:084
681727992319,3cyclictest1307665-21kworker/u16:2+events_unbound00:33:544
681736992220,2cyclictest860135-21kworker/u16:4+events_unbound20:56:336
681736992220,2cyclictest753291-21kworker/u16:3+events_unbound20:47:576
681736992220,2cyclictest681514-21kworker/u16:1+events_unbound19:29:416
681733992220,2cyclictest1044978-21kworker/u16:2+flush-8:023:09:125
681727992220,2cyclictest918236-21kworker/u16:3+events_unbound21:18:564
681727992220,2cyclictest3303372-21kworker/u16:2+events_unbound19:34:014
681727992219,2cyclictest879742-21kworker/u16:1+flush-8:021:29:074
681736992119,2cyclictest753291-21kworker/u16:3+events_unbound20:29:536
681736992119,2cyclictest3303372-21kworker/u16:2+events_unbound19:47:566
681736992119,2cyclictest1228090-21kworker/u16:3+events_unbound23:44:356
681736992119,2cyclictest1228090-21kworker/u16:3+events_unbound00:12:486
681736992119,2cyclictest1064386-21kworker/u16:1+events_unbound22:24:406
681727992119,2cyclictest928075-21kworker/u16:4+flush-8:021:48:524
681738992015,4cyclictest650-21systemd-journal21:28:427
681738992013,6cyclictest1170765-21latency_hist23:18:427
681736992018,2cyclictest986362-21kworker/u16:0+events_unbound22:58:286
681736992018,2cyclictest918236-21kworker/u16:3+events_unbound21:36:596
681736992018,2cyclictest1122637-21kworker/u16:4+flush-8:023:18:516
681736991917,2cyclictest791810-21kworker/u16:0+events_unbound20:04:406
681736991917,2cyclictest1064386-21kworker/u16:1+events_unbound22:46:236
681733991916,2cyclictest753291-21kworker/u16:3+flush-8:020:04:465
681738991812,5cyclictest937605-21latency_hist21:18:417
681736991816,2cyclictest1044978-21kworker/u16:2+events_unbound23:10:596
681733991815,2cyclictest1307665-21kworker/u16:2+flush-8:000:34:105
681727991816,2cyclictest986362-21kworker/u16:0+events_unbound22:14:104
681727991816,2cyclictest753291-21kworker/u16:3+events_unbound20:43:594
681727991815,3cyclictest1247976-21kworker/u16:5+flush-8:000:03:414
681738991714,2cyclictest1267-21snmpd22:07:437
681738991714,2cyclictest1267-21snmpd20:04:587
681736991714,2cyclictest1044978-21kworker/u16:2+events_unbound23:03:496
681733991713,3cyclictest1122637-21kworker/u16:4+flush-8:023:04:075
681727991716,1cyclictest0-21swapper/420:59:064
68173899169,6cyclictest1228881-21latency_hist23:48:417
681738991613,2cyclictest1267-21snmpd22:57:507
681738991612,3cyclictest1267-21snmpd23:52:517
681738991612,3cyclictest1267-21snmpd22:09:347
681738991612,3cyclictest1267-21snmpd00:13:257
681738991610,5cyclictest898800-21latency_hist20:58:427
681738991610,5cyclictest1267-21snmpd22:14:137
681736991614,2cyclictest811842-21kworker/u16:0+events_unbound20:22:006
681733991613,3cyclictest1064386-21kworker/u16:1+flush-8:022:49:145
681727991614,2cyclictest753291-21kworker/u16:3+flush-8:020:04:134
681727991614,2cyclictest1177661-21kworker/u16:0+flush-8:023:38:554
681727991614,2cyclictest1044978-21kworker/u16:2+events_unbound23:09:114
68173899159,5cyclictest1267-21snmpd20:21:377
68173899158,5cyclictest1267-21snmpd19:42:127
68173899150,13cyclictest948643-21sed21:23:557
681727991512,2cyclictest986362-21kworker/u16:0+events_unbound22:38:544
681727991511,3cyclictest1122637-21kworker/u16:4+flush-8:022:59:074
68173899148,5cyclictest650-21systemd-journal00:38:417
68173899148,5cyclictest1267-21snmpd23:03:027
68173899140,1cyclictest0-21swapper/722:44:067
68173899140,1cyclictest0-21swapper/720:29:067
68173899140,13cyclictest0-21swapper/723:19:057
68173899140,12cyclictest650-21systemd-journal22:38:427
68173899140,12cyclictest1208187-21kthreadcore23:34:027
68173899140,12cyclictest1112953-21/usr/sbin/munin22:49:077
681733991411,2cyclictest0-21swapper/523:33:555
68172799140,14cyclictest0-21swapper/422:34:114
68172799140,13cyclictest0-21swapper/423:49:074
68173899139,3cyclictest1267-21snmpd23:40:517
68173899139,3cyclictest1267-21snmpd22:28:017
68173899139,3cyclictest1267-21snmpd21:57:217
68173899139,3cyclictest1267-21snmpd21:36:397
68173899139,3cyclictest1267-21snmpd20:23:467
68173899139,3cyclictest1267-21snmpd19:49:127
68173899137,5cyclictest782388-21latency_hist19:58:427
68173899137,5cyclictest1267-21snmpd20:14:047
68173899137,5cyclictest1267-21snmpd20:01:407
68173899137,5cyclictest1267-21snmpd20:01:407
68173899137,5cyclictest1267-21snmpd19:25:067
68173899136,6cyclictest6184-21gvfs-afc-volume19:34:097
68173899135,7cyclictest0-21swapper/719:11:057
68173899130,12cyclictest650-21systemd-journal00:03:417
68173899130,12cyclictest0-21swapper/723:04:357
68173899130,11cyclictest714578-21crond19:23:427
681733991312,1cyclictest742540-21strings19:34:075
681733991311,2cyclictest1044978-21kworker/u16:2+flush-8:022:19:455
681733991311,2cyclictest1044978-21kworker/u16:2+flush-8:022:19:455
681733991310,2cyclictest0-21swapper/519:43:575
68173399130,13cyclictest0-21swapper/522:58:165
68173399130,13cyclictest0-21swapper/520:14:095
68172799139,3cyclictest851478-21cat20:33:594
681727991312,1cyclictest0-21swapper/420:54:044
681727991311,2cyclictest681514-21kworker/u16:1+events_unbound19:44:054
68173899129,2cyclictest1267-21snmpd23:28:477
68173899129,2cyclictest1267-21snmpd21:44:247
68173899129,2cyclictest1267-21snmpd21:39:127
68173899129,2cyclictest1267-21snmpd21:03:447
68173899129,2cyclictest1267-21snmpd00:08:107
68173899128,3cyclictest1267-21snmpd23:10:027
68173899128,3cyclictest1267-21snmpd22:00:227
68173899128,3cyclictest1267-21snmpd20:39:447
68173899127,4cyclictest1267-21snmpd23:56:097
68173899126,5cyclictest5756-21JS21:50:157
68173899126,5cyclictest1267-21snmpd22:29:127
68173899126,5cyclictest1267-21snmpd20:49:027
68173899126,5cyclictest1267-21snmpd19:45:547
68173899126,5cyclictest1267-21snmpd00:18:467
68173899124,2cyclictest0-21swapper/720:09:087
68173899122,9cyclictest924-21NetworkManager19:29:037
68173899120,11cyclictest650-21systemd-journal22:23:427
68173899120,11cyclictest650-21systemd-journal22:23:427
68173899120,11cyclictest650-21systemd-journal20:38:427
68173399129,2cyclictest1229850-21fschecks_count23:48:575
68173399120,1cyclictest0-21swapper/522:24:135
68173399120,1cyclictest0-21swapper/522:05:565
68173399120,1cyclictest0-21swapper/521:03:015
68173399120,11cyclictest0-21swapper/520:43:475
68172799129,2cyclictest1041-21lldpd20:39:444
68172799128,2cyclictest753291-21kworker/u16:3+events_unbound19:53:554
68173899118,2cyclictest1267-21snmpd00:24:077
68173899116,3cyclictest0-21swapper/719:14:017
68173899116,3cyclictest0-21swapper/719:14:017
68173899112,8cyclictest0-21swapper/700:28:577
68173899111,9cyclictest924-21NetworkManager23:23:567
68173899111,9cyclictest1267-21snmpd21:49:047
68173899110,3cyclictest847-21systemd-oomd00:14:067
68173899110,1cyclictest0-21swapper/720:44:057
68173899110,10cyclictest924-21NetworkManager22:39:397
68173399119,2cyclictest0-21swapper/523:54:145
68173399118,2cyclictest918236-21kworker/u16:3+flush-8:021:38:535
681733991110,1cyclictest0-21swapper/522:43:185
681733991110,1cyclictest0-21swapper/522:35:065
681733991110,1cyclictest0-21swapper/520:41:075
681733991110,1cyclictest0-21swapper/520:10:035
681733991110,1cyclictest0-21swapper/520:02:105
681733991110,1cyclictest0-21swapper/520:02:105
681733991110,1cyclictest0-21swapper/519:30:015
681733991110,1cyclictest0-21swapper/519:12:405
68173399110,11cyclictest0-21swapper/519:58:235
68173399110,11cyclictest0-21swapper/500:30:015
68173399110,11cyclictest0-21swapper/500:19:375
68173399110,0cyclictest0-21swapper/523:23:495
68172799119,2cyclictest1015032-21kworker/u16:2+flush-8:021:59:104
68172799116,4cyclictest832118-21cat20:23:594
68172799116,4cyclictest1189247-21open_inodes23:24:074
681727991110,1cyclictest0-21swapper/423:35:404
681727991110,1cyclictest0-21swapper/421:24:394
68172799110,1cyclictest0-21swapper/422:28:494
68172799110,1cyclictest0-21swapper/422:20:474
68172799110,1cyclictest0-21swapper/422:20:474
68172799110,11cyclictest0-21swapper/422:26:084
68172799110,11cyclictest0-21swapper/421:10:284
68173899103,2cyclictest0-21swapper/721:08:557
68173399109,1cyclictest0-21swapper/522:32:255
68173399109,1cyclictest0-21swapper/521:13:545
68173399109,1cyclictest0-21swapper/520:22:125
68173399109,1cyclictest0-21swapper/500:27:215
68173399108,2cyclictest3303372-21kworker/u16:2+events_unbound19:48:565
68173399100,0cyclictest0-21swapper/523:41:475
68173399100,0cyclictest0-21swapper/500:04:295
68172799109,1cyclictest0-21swapper/422:47:164
68172799109,1cyclictest0-21swapper/422:10:134
68172799109,1cyclictest0-21swapper/422:07:424
68172799109,1cyclictest0-21swapper/420:13:334
68172799109,1cyclictest0-21swapper/420:01:344
68172799109,1cyclictest0-21swapper/420:01:344
68172799109,1cyclictest0-21swapper/400:08:374
68172799108,2cyclictest681514-21kworker/u16:1+flush-8:019:19:094
68172799108,2cyclictest1005196-21kworker/u16:5+events_unbound21:58:424
68172799106,3cyclictest704472-21grep19:14:094
68172799106,3cyclictest704472-21grep19:14:094
68172799106,3cyclictest1279833-21kernelversion00:18:584
68172799100,9cyclictest967319-21cpuspeed_turbos21:33:554
68172799100,10cyclictest0-21swapper/419:25:094
68172799100,10cyclictest0-21swapper/400:26:074
68172799100,0cyclictest0-21swapper/421:47:594
68172799100,0cyclictest0-21swapper/400:13:394
6817339998,1cyclictest0-21swapper/523:44:095
6817339998,1cyclictest0-21swapper/523:03:195
6817339998,1cyclictest0-21swapper/522:03:245
6817339998,1cyclictest0-21swapper/521:22:345
6817339998,1cyclictest0-21swapper/520:49:095
6817339998,1cyclictest0-21swapper/520:30:055
6817339998,1cyclictest0-21swapper/519:16:555
6817339998,1cyclictest0-21swapper/519:16:555
6817339997,2cyclictest1179546-21kworker/u16:3+flush-8:023:29:155
6817339996,2cyclictest967403-21cpuspeed_turbos21:33:555
6817339996,2cyclictest0-21swapper/522:44:035
6817339995,3cyclictest1267633-21grep00:09:055
6817279998,1cyclictest0-21swapper/400:31:284
6817279995,3cyclictest1189878-21kworker/u16:1+events_unbound23:44:104
6817339987,1cyclictest0-21swapper/521:53:285
6817339987,1cyclictest0-21swapper/520:38:265
6817339986,1cyclictest0-21swapper/523:14:035
6817339985,2cyclictest0-21swapper/522:08:595
6817339983,4cyclictest910142-21cut21:04:005
6817339983,4cyclictest834739-21cut20:24:025
6817339983,4cyclictest723098-21memory19:24:055
6817339983,4cyclictest1050653-21cut22:14:015
6817339983,4cyclictest1006925-21sed21:53:585
6817279986,1cyclictest0-21swapper/400:14:014
6817279984,3cyclictest1242604-21kthreadcore23:53:584
6817279984,3cyclictest1163089-21kthreadcore23:14:014
6817279983,4cyclictest841917-21irqcore20:28:584
6817279983,4cyclictest814260-21grep20:14:004
6817279983,4cyclictest763778-21cat19:48:534
6817339975,1cyclictest0-21swapper/521:08:575
6817339975,1cyclictest0-21swapper/520:53:595
6817339973,3cyclictest957751-21expr21:28:555
6817339973,3cyclictest951373-21cut21:23:585
6817339973,3cyclictest1171513-21expr23:18:545
6817339972,4cyclictest705368-21cat19:18:555
6817339972,4cyclictest1270089-21irqcore00:13:595
6817279975,1cyclictest0-21swapper/421:39:014
6817279974,2cyclictest1194755-21kthreadcore23:29:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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