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2026-06-20 - 04:06
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack0slot2.osadl.org (updated Sat Jun 20, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
234374621040,1sleep40-21swapper/421:15:084
21145102980,1sleep7911-21dbus-daemon19:19:497
208176525038,8sleep50-21swapper/519:04:575
209098624713,29sleep70-21swapper/719:09:257
208176424736,7sleep40-21swapper/419:04:564
2091282994240,2cyclictest2437172-21kworker/u16:3+events_unbound22:20:045
2091282993735,2cyclictest2658886-21kworker/u16:0+events_unbound23:49:485
2091282993735,2cyclictest2571361-21kworker/u16:1+events_unbound23:02:195
2091282993735,2cyclictest2509988-21kworker/u16:2+events_unbound22:42:445
2091282993634,2cyclictest2830415-21kworker/u16:4+events_unbound00:39:285
2091282993634,2cyclictest2729947-21kworker/u16:1+events_unbound23:52:195
2091282993634,2cyclictest2708189-21kworker/u16:3+events_unbound23:56:485
2091282993634,2cyclictest2509988-21kworker/u16:2+events_unbound22:51:445
2091282993533,2cyclictest2753845-21kworker/u16:5+events_unbound00:06:525
2091282993533,2cyclictest2509988-21kworker/u16:2+events_unbound23:43:235
2091282993432,2cyclictest2732569-21kworker/u16:2+events_unbound00:32:365
2091282993432,2cyclictest2658886-21kworker/u16:0+events_unbound23:36:525
2091282993432,2cyclictest2571361-21kworker/u16:1+events_unbound23:17:205
2091282993432,2cyclictest2536147-21kworker/u16:1+events_unbound22:37:205
2091282993432,2cyclictest2475934-21kworker/u16:0+events_unbound22:29:395
2091282993432,2cyclictest2376958-21kworker/u16:1+events_unbound21:36:205
2091282993432,2cyclictest2171986-21kworker/u16:5+events_unbound21:31:245
2091282993432,2cyclictest2171986-21kworker/u16:5+events_unbound21:22:315
2091282993432,2cyclictest2144079-21kworker/u16:2+events_unbound19:50:095
209072323423,8sleep60-21swapper/619:05:396
24640942330,2chrt681rcuog/422:05:025
2091282993331,2cyclictest2708189-21kworker/u16:3+events_unbound00:11:125
2091282993331,2cyclictest2708189-21kworker/u16:3+events_unbound00:11:125
2091282993331,2cyclictest2509988-21kworker/u16:2+events_unbound22:45:115
2091282993331,2cyclictest2424588-21kworker/u16:2+events_unbound21:56:125
2091285993230,2cyclictest2437172-21kworker/u16:3+flush-8:022:10:206
2091285993230,2cyclictest2437172-21kworker/u16:3+flush-8:022:10:206
2091282993230,2cyclictest2732569-21kworker/u16:2+flush-8:000:27:265
2091282993230,2cyclictest2708189-21kworker/u16:3+events_unbound00:16:195
2091282993230,2cyclictest2571361-21kworker/u16:1+events_unbound23:24:205
2091282993230,2cyclictest2571361-21kworker/u16:1+events_unbound23:07:085
2091282993230,2cyclictest2376958-21kworker/u16:1+events_unbound21:48:195
2091282993230,2cyclictest2256485-21kworker/u16:3+events_unbound21:16:205
2091282993230,2cyclictest2171986-21kworker/u16:5+events_unbound21:41:195
2091282993230,2cyclictest2120459-21kworker/u16:3+flush-8:019:35:145
2091282993129,2cyclictest2571361-21kworker/u16:1+events_unbound23:27:355
2091282993129,2cyclictest2475934-21kworker/u16:0+events_unbound22:19:315
24861742300,1chrt2486175-21sh22:11:537
24861742300,1chrt2486175-21sh22:11:537
209128899300,28cyclictest2299509-21turbostat20:54:507
2091282993028,2cyclictest2732569-21kworker/u16:2+events_unbound00:23:155
2091282993028,2cyclictest2509988-21kworker/u16:2+flush-8:023:14:445
2091282993028,2cyclictest2411432-21kworker/u16:0+events_unbound21:53:395
2091282993028,2cyclictest2256485-21kworker/u16:3+events_unbound21:26:475
2091288992926,2cyclictest2684381-21entropy23:35:037
2091288992926,2cyclictest2115670-21iostat19:20:057
2091282992927,2cyclictest2509988-21kworker/u16:2+events_unbound23:30:515
2091282992927,2cyclictest2120459-21kworker/u16:3+flush-8:020:05:185
2091288992827,0cyclictest0-21swapper/721:13:457
2091285992826,2cyclictest2171986-21kworker/u16:5+events_unbound21:20:086
2091285992825,2cyclictest2171986-21kworker/u16:5+flush-8:020:45:066
2091282992826,2cyclictest388231-21kworker/u16:4+events_unbound19:29:005
2091282992826,2cyclictest2449709-21kworker/u16:1+events_unbound22:14:345
2091282992826,2cyclictest2449709-21kworker/u16:1+events_unbound22:14:345
2091282992826,2cyclictest2120459-21kworker/u16:3+flush-8:019:30:175
2091282992826,2cyclictest2026636-21kworker/u16:1+events_unbound20:16:005
25474262270,1chrt2547424-21ssh22:37:107
2091288992723,2cyclictest2415726-21perl21:45:037
2091285992725,2cyclictest2449709-21kworker/u16:1+events_unbound22:04:326
2091282992726,1cyclictest2424588-21kworker/u16:2+events_unbound22:02:075
2091282992725,2cyclictest2522967-21kworker/u16:3+flush-8:022:33:375
2091282992725,2cyclictest2241321-21kworker/u16:0+events_unbound21:00:085
2091282992725,2cyclictest2085928-21kworker/u16:0+events_unbound19:24:095
2091279992726,1cyclictest2171986-21kworker/u16:5+events_unbound21:37:364
2091285992624,2cyclictest2708189-21kworker/u16:3+events_unbound23:45:136
2091285992624,2cyclictest2536147-21kworker/u16:1+events_unbound22:37:186
2091285992624,2cyclictest2411432-21kworker/u16:0+events_unbound21:51:346
2091285992624,2cyclictest2120459-21kworker/u16:3+events_unbound20:05:026
2091282992624,2cyclictest2753845-21kworker/u16:5+flush-8:000:02:015
2091282992624,2cyclictest2509988-21kworker/u16:2+events_unbound22:56:115
2091282992624,2cyclictest2256485-21kworker/u16:3+flush-8:020:50:365
2091279992621,4cyclictest2769152-21cat00:09:494
2091288992522,2cyclictest2525741-21ip_192.168.114.22:30:047
2091285992523,2cyclictest2475934-21kworker/u16:0+flush-8:022:47:526
2091285992523,2cyclictest2475934-21kworker/u16:0+events_unbound22:18:306
2091285992523,2cyclictest2171986-21kworker/u16:5+events_unbound20:27:366
2091285992523,2cyclictest2120459-21kworker/u16:3+events_unbound20:13:536
2091285992523,2cyclictest2120459-21kworker/u16:3+events_unbound20:13:536
2091285992523,2cyclictest2026636-21kworker/u16:1+flush-8:019:56:366
2091282992523,2cyclictest2171986-21kworker/u16:5+flush-8:019:55:185
2091282992523,2cyclictest2026636-21kworker/u16:1+events_unbound19:49:295
2091288992420,3cyclictest2832986-21tr00:35:077
2091285992422,2cyclictest2708189-21kworker/u16:3+flush-8:000:10:466
2091285992422,2cyclictest2708189-21kworker/u16:3+flush-8:000:10:466
2091285992422,2cyclictest2509988-21kworker/u16:2+events_unbound22:25:156
2091282992422,2cyclictest2026636-21kworker/u16:1+flush-8:020:20:045
2091282992422,2cyclictest2026636-21kworker/u16:1+events_unbound19:44:275
2091282992421,2cyclictest2171986-21kworker/u16:5+events_unbound20:45:025
2091279992422,2cyclictest2120459-21kworker/u16:3+flush-8:019:30:194
2091288992322,0cyclictest0-21swapper/700:29:497
2091288992317,5cyclictest650-21systemd-journal23:29:437
2091285992321,2cyclictest388231-21kworker/u16:4+events_unbound19:17:566
2091285992321,2cyclictest2708189-21kworker/u16:3+flush-8:000:19:566
2091285992321,2cyclictest2522967-21kworker/u16:3+events_unbound22:30:376
2091285992321,2cyclictest2509988-21kworker/u16:2+flush-8:022:54:006
2091285992321,2cyclictest2376958-21kworker/u16:1+events_unbound21:36:236
2091285992321,2cyclictest2171986-21kworker/u16:5+events_unbound20:56:246
2091285992321,2cyclictest2171986-21kworker/u16:5+events_unbound20:40:226
2091285992321,2cyclictest2144079-21kworker/u16:2+flush-8:019:50:026
2091285992321,2cyclictest2026636-21kworker/u16:1+events_unbound20:22:276
2091282992321,2cyclictest2241321-21kworker/u16:0+flush-8:020:39:555
2091282992321,2cyclictest2026636-21kworker/u16:1+flush-8:019:14:485
2091279992319,3cyclictest2182652-21latency_hist19:54:504
2091288992220,1cyclictest2586784-21ssh22:55:057
2091285992220,2cyclictest2658886-21kworker/u16:0+events_unbound23:35:016
2091285992220,2cyclictest2256485-21kworker/u16:3+flush-8:021:07:366
2091282992220,2cyclictest2241321-21kworker/u16:0+flush-8:020:29:555
2091282992220,2cyclictest2191433-21kworker/u16:0+flush-8:020:10:135
2091282992220,2cyclictest2191433-21kworker/u16:0+flush-8:020:10:135
2091282992220,2cyclictest2171986-21kworker/u16:5+flush-8:021:05:195
2091282992220,2cyclictest2171986-21kworker/u16:5+events_unbound20:01:275
2091282992220,2cyclictest2085928-21kworker/u16:0+events_unbound19:17:445
2091288992119,1cyclictest2259569-21ntpq20:30:157
2091288992119,1cyclictest0-21swapper/723:20:437
209128899210,19cyclictest1278-21snmpd23:09:507
2091285992119,2cyclictest2791227-21kworker/u16:0+flush-8:000:30:266
2091285992119,2cyclictest2610376-21kworker/u16:4+flush-8:023:09:326
2091285992117,3cyclictest2100908-21latency_hist19:14:496
2091282992119,2cyclictest2256485-21kworker/u16:3+events_unbound20:35:135
2091282992119,2cyclictest2241321-21kworker/u16:0+events_unbound20:58:275
209128899200,18cyclictest2583575-21ssh22:51:117
2091285992018,2cyclictest2144079-21kworker/u16:2+flush-8:019:39:326
2091282992018,2cyclictest2026636-21kworker/u16:1+events_unbound20:25:255
25512772190,0chrt2551280-21kthreadcore22:40:067
2091288991915,3cyclictest1278-21snmpd20:58:207
2091288991914,4cyclictest2222798-21cat20:15:067
2091285991917,2cyclictest388231-21kworker/u16:4+events_unbound19:42:126
2091285991917,2cyclictest2424588-21kworker/u16:2+flush-8:022:05:056
2091285991917,2cyclictest2171986-21kworker/u16:5+flush-8:020:02:406
2091285991917,2cyclictest2171986-21kworker/u16:5+events_unbound21:03:126
2091285991917,2cyclictest2171986-21kworker/u16:5+events_unbound20:51:156
2091285991816,2cyclictest2171986-21kworker/u16:5+flush-8:021:30:436
2091285991816,2cyclictest2120459-21kworker/u16:3+events_unbound19:34:116
2091285991816,2cyclictest2085928-21kworker/u16:0+events_unbound19:20:056
2091279991814,3cyclictest2153544-21cat19:39:494
2091288991716,0cyclictest0-21swapper/719:14:497
209128899170,15cyclictest650-21systemd-journal20:49:457
2091285991715,2cyclictest2729947-21kworker/u16:1+events_unbound23:54:106
2091288991613,2cyclictest2606928-21ntp_states23:00:217
2091288991612,3cyclictest1278-21snmpd20:43:317
2091285991614,2cyclictest2732569-21kworker/u16:2+flush-8:000:15:416
2091285991614,2cyclictest2571361-21kworker/u16:1+flush-8:023:30:326
2091282991614,2cyclictest2330066-21kworker/u16:2+events_unbound21:10:325
2091279991615,1cyclictest0-21swapper/422:36:094
25640772150,0sleep40-21swapper/422:45:084
2091288991514,0cyclictest0-21swapper/700:15:327
2091288991513,1cyclictest2460706-21ssh22:00:207
2091288991512,2cyclictest0-21swapper/700:05:197
2091288991511,3cyclictest2802823-21wc00:20:187
209128899150,14cyclictest0-21swapper/721:14:597
2091285991513,2cyclictest2171986-21kworker/u16:5+flush-8:021:15:056
209128599150,15cyclictest0-21swapper/621:13:216
2091279991512,2cyclictest2171986-21kworker/u16:5+flush-8:021:14:494
2091288991413,0cyclictest0-21swapper/722:28:027
2091288991413,0cyclictest0-21swapper/700:09:567
2091288991413,0cyclictest0-21swapper/700:09:567
2091288991412,1cyclictest0-21swapper/722:16:127
2091288991412,1cyclictest0-21swapper/721:20:167
2091288991412,1cyclictest0-21swapper/720:25:127
2091288991411,2cyclictest2709307-21irqcore23:45:057
2091288991411,2cyclictest1278-21snmpd22:45:557
2091285991413,1cyclictest0-21swapper/600:28:566
2091285991412,2cyclictest2571361-21kworker/u16:1+events_unbound23:02:176
2091285991412,2cyclictest2241321-21kworker/u16:0+events_unbound20:38:016
2091285991412,2cyclictest2171986-21kworker/u16:5+events_unbound21:25:526
2091285991411,2cyclictest2251168-21kworker/u16:2+events_unbound20:31:326
209128599140,14cyclictest0-21swapper/600:36:216
2091279991413,1cyclictest0-21swapper/400:34:054
209127999140,1cyclictest0-21swapper/423:32:074
209127999140,14cyclictest0-21swapper/422:31:444
209127999140,14cyclictest0-21swapper/400:29:404
209128899138,4cyclictest2427995-21cat21:50:057
209128899138,4cyclictest2213048-21cat20:10:047
209128899138,4cyclictest2213048-21cat20:10:047
2091288991312,0cyclictest0-21swapper/721:27:307
2091288991311,1cyclictest0-21swapper/723:50:167
2091288991310,2cyclictest1278-21snmpd19:27:427
209128899130,3cyclictest2634876-21ssh23:14:577
209128899130,3cyclictest2464347-21diskstats22:05:037
209128899130,11cyclictest2391116-21perl21:35:037
2091285991312,1cyclictest0-21swapper/623:17:216
2091285991312,1cyclictest0-21swapper/600:04:306
2091285991311,2cyclictest2753845-21kworker/u16:5+events_unbound00:05:056
2091285991311,2cyclictest2571361-21kworker/u16:1+events_unbound23:10:086
2091285991311,2cyclictest2509988-21kworker/u16:2+events_unbound22:59:416
2091285991311,2cyclictest2171986-21kworker/u16:5+events_unbound20:19:256
209128599130,13cyclictest0-21swapper/622:41:066
209128599130,13cyclictest0-21swapper/621:45:086
2091279991312,1cyclictest0-21swapper/423:56:154
2091279991312,1cyclictest0-21swapper/423:44:164
2091279991312,1cyclictest0-21swapper/423:36:424
2091279991312,1cyclictest0-21swapper/423:12:064
2091279991312,1cyclictest0-21swapper/423:01:134
2091279991312,1cyclictest0-21swapper/422:59:484
2091279991312,1cyclictest0-21swapper/422:11:054
2091279991312,1cyclictest0-21swapper/422:11:054
2091279991312,1cyclictest0-21swapper/422:09:404
2091279991312,1cyclictest0-21swapper/421:23:574
2091279991312,1cyclictest0-21swapper/400:35:304
209127999130,13cyclictest0-21swapper/422:19:554
209127999130,13cyclictest0-21swapper/421:30:534
209127999130,13cyclictest0-21swapper/400:03:494
209128899129,2cyclictest0-21swapper/720:05:047
209128899128,3cyclictest1278-21snmpd21:05:597
209128899128,3cyclictest1278-21snmpd19:51:187
209128899128,3cyclictest1278-21snmpd00:34:167
209128899121,9cyclictest2201195-21ntpq20:00:157
209128899120,3cyclictest2236210-21kthreadcore20:20:107
209128899120,11cyclictest2135162-21cat19:30:057
209128899120,11cyclictest1278-21snmpd19:58:217
209128899120,10cyclictest2378267-21cpuspeed21:30:007
2091285991211,1cyclictest0-21swapper/622:20:176
2091285991210,2cyclictest2659290-21kworker/u16:4+flush-8:023:55:216
2091285991210,2cyclictest2424588-21kworker/u16:2+events_unbound21:55:236
209128599120,1cyclictest0-21swapper/619:26:526
209127999128,3cyclictest2211878-21latency_hist20:09:504
2091279991211,1cyclictest0-21swapper/420:28:564
2091279991211,1cyclictest0-21swapper/400:14:234
2091279991211,1cyclictest0-21swapper/400:14:234
209128899119,1cyclictest0-21swapper/723:40:147
209128899118,2cyclictest1278-21snmpd23:31:237
209128899118,2cyclictest1278-21snmpd21:41:277
209128899118,2cyclictest0-21swapper/723:59:497
209128899117,3cyclictest1278-21snmpd20:36:047
209128899117,3cyclictest1278-21snmpd19:47:397
209128899116,5cyclictest6341-21gvfs-afc-volume22:22:187
209128899115,5cyclictest6341-21gvfs-afc-volume00:00:297
209128899110,2cyclictest2144782-21grep19:35:027
209128899110,10cyclictest2632902-21ssh23:12:017
209128599119,2cyclictest2509988-21kworker/u16:2+events_unbound23:42:286
209127999116,4cyclictest2173042-21cat19:49:504
2091279991110,1cyclictest0-21swapper/422:52:244
2091279991110,1cyclictest0-21swapper/422:40:344
2091279991110,1cyclictest0-21swapper/422:25:454
2091279991110,1cyclictest0-21swapper/420:31:554
2091279991110,1cyclictest0-21swapper/419:22:144
2091279991110,1cyclictest0-21swapper/419:17:404
2091279991110,1cyclictest0-21swapper/400:23:314
209127999110,11cyclictest0-21swapper/420:54:474
209127999110,11cyclictest0-21swapper/420:12:134
209127999110,11cyclictest0-21swapper/420:12:134
209127999110,11cyclictest0-21swapper/419:13:064
209128899105,4cyclictest2310427-21cat21:00:057
209128899104,4cyclictest2439499-21grep21:55:027
209128899100,9cyclictest1278-21snmpd19:39:547
209128599108,2cyclictest2509988-21kworker/u16:2-xprtiod23:24:486
209128599108,2cyclictest2376958-21kworker/u16:1+flush-8:021:40:156
209128599103,6cyclictest0-21swapper/623:29:486
209127999109,1cyclictest0-21swapper/423:45:414
209127999109,1cyclictest0-21swapper/400:18:574
209127999100,10cyclictest0-21swapper/421:00:464
209127999100,10cyclictest0-21swapper/420:57:474
209127999100,10cyclictest0-21swapper/420:38:044
20912859997,2cyclictest2026636-21kworker/u16:1+flush-8:019:45:206
20912799998,1cyclictest2449709-21kworker/u16:1+flush-8:022:00:104
20912799998,1cyclictest0-21swapper/423:53:154
20912799998,1cyclictest0-21swapper/421:57:514
20912799998,1cyclictest0-21swapper/421:50:264
20912799998,1cyclictest0-21swapper/419:43:224
20912799987,1cyclictest0-21swapper/420:24:214
20912799986,1cyclictest0-21swapper/421:29:494
20912799984,3cyclictest2289437-21pool-udisksd20:45:214
20912799984,3cyclictest2231636-21cut20:19:504
20912799984,3cyclictest2201944-21chrt20:01:534
2647665271,1sleep4681rcuog/423:20:034
20912799976,1cyclictest1614-21dockerd22:16:364
20912799976,1cyclictest0-21swapper/423:18:154
20912799973,3cyclictest2414810-21sed21:44:494
20912799972,4cyclictest2280080-21cut20:44:504
20912799965,1cyclictest0-21swapper/421:46:114
20912799965,1cyclictest0-21swapper/419:25:144
20912799963,2cyclictest2619636-21pool-udisksd23:05:204
20912799962,3cyclictest2671278-21date23:29:494
20912799962,1cyclictest0-21swapper/419:56:014
20912799950,5cyclictest0-21swapper/421:05:524
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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