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2026-09-22 - 14:13
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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 Tue Sep 22, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
296249025848,7sleep40-21swapper/407:07:484
618789460,39rtkit-daemon0-21swapper/607:08:356
2962889994641,4cyclictest3249064-21latency_hist09:29:137
2962882994139,2cyclictest3616534-21kworker/u16:0+events_unbound12:09:145
296238624131,7sleep50-21swapper/507:06:215
2962882994037,2cyclictest3310282-21kworker/u16:0+events_unbound10:34:135
29541062403,30sleep70-21swapper/707:04:307
2962883993836,2cyclictest3170278-21kworker/u16:2+flush-8:009:24:126
33588472370,0sleep73358846-21rm10:12:127
32606002370,0sleep73260601-21sh09:32:537
2962882993734,2cyclictest3434321-21kworker/u16:1+events_unbound11:59:145
2962889993635,0cyclictest0-21swapper/710:38:577
2962889993632,3cyclictest3273735-21systemd-run09:39:127
2962882993634,2cyclictest3310282-21kworker/u16:0+events_unbound11:08:155
2962882993634,2cyclictest3236783-21kworker/u16:1+events_unbound09:54:155
2962889993533,1cyclictest3679004-21ssh12:22:067
2962882993533,2cyclictest3616534-21kworker/u16:0+events_unbound12:06:105
2962882993533,2cyclictest3323079-21kworker/u16:2+events_unbound10:05:435
2962882993533,2cyclictest3236783-21kworker/u16:1+events_unbound09:37:585
2962882993533,2cyclictest3131925-21kworker/u16:0+events_unbound09:18:475
2962889993433,0cyclictest0-21swapper/710:50:347
2962883993432,2cyclictest3170278-21kworker/u16:2+events_unbound09:18:146
2962882993432,2cyclictest3692524-21kworker/u16:4+events_unbound12:35:545
2962882993432,2cyclictest3644534-21kworker/u16:2+events_unbound12:32:065
2962882993432,2cyclictest3546350-21kworker/u16:5+events_unbound11:43:305
2962882993432,2cyclictest3310282-21kworker/u16:0+flush-8:010:44:535
2962882993432,2cyclictest3238499-21kworker/u16:4+events_unbound09:31:355
2962882993432,2cyclictest2879633-21kworker/u16:5+flush-8:007:19:145
2962882993331,2cyclictest3434321-21kworker/u16:1+events_unbound11:20:015
2962882993331,2cyclictest3434321-21kworker/u16:1+events_unbound11:18:545
2962882993331,2cyclictest3372711-21kworker/u16:5+events_unbound10:25:025
2962882993331,2cyclictest3372711-21kworker/u16:5+events_unbound10:25:025
2962882993331,2cyclictest3323079-21kworker/u16:2+events_unbound10:43:385
2962882993331,2cyclictest3323079-21kworker/u16:2+events_unbound10:20:345
2962882993331,2cyclictest3310282-21kworker/u16:0+events_unbound10:31:195
2962882993331,2cyclictest3238499-21kworker/u16:4+events_unbound09:25:395
2962882993331,2cyclictest3236783-21kworker/u16:1+flush-8:009:39:585
2962889993231,0cyclictest0-21swapper/710:16:267
2962889993230,1cyclictest3617816-21ssh11:57:407
2962883993229,2cyclictest3310282-21kworker/u16:0+flush-8:011:24:176
2962882993230,2cyclictest3644534-21kworker/u16:2+events_unbound12:29:065
2962882993230,2cyclictest3616534-21kworker/u16:0+events_unbound12:18:375
2962882993230,2cyclictest3616534-21kworker/u16:0+events_unbound11:57:545
2962882993230,2cyclictest3360024-21kworker/u16:3+flush-8:010:16:545
2962882993230,2cyclictest3323079-21kworker/u16:2+events_unbound10:13:465
2962882993230,2cyclictest3310282-21kworker/u16:0+events_unbound10:01:105
2962882993230,2cyclictest3170278-21kworker/u16:2+events_unbound09:48:185
2962882993230,2cyclictest3121980-21kworker/u16:3+events_unbound09:11:575
2962882993229,2cyclictest3310282-21kworker/u16:0+events_unbound10:59:165
2962889993130,0cyclictest0-21swapper/708:04:417
2962882993129,2cyclictest3546350-21kworker/u16:5+events_unbound11:51:015
2962882993129,2cyclictest3546350-21kworker/u16:5+events_unbound11:45:455
2962882993129,2cyclictest3532266-21kworker/u16:3+flush-8:011:27:535
2962882993129,2cyclictest3456013-21kworker/u16:2+flush-8:010:54:575
2962882993129,2cyclictest3456013-21kworker/u16:2+flush-8:010:53:255
2962882993129,2cyclictest3131925-21kworker/u16:0+events_unbound09:20:585
2962889993029,0cyclictest0-21swapper/710:22:537
2962889993029,0cyclictest0-21swapper/709:40:077
2962882993028,2cyclictest3546350-21kworker/u16:5+flush-8:011:31:215
2962882993028,2cyclictest3434321-21kworker/u16:1+events_unbound12:20:465
2962882993028,2cyclictest3170278-21kworker/u16:2+events_unbound09:51:105
2962882993028,2cyclictest2962641-21kworker/u16:0+flush-8:007:37:505
2962882993028,2cyclictest2962641-21kworker/u16:0+flush-8:007:37:505
2962882993028,2cyclictest2962641-21kworker/u16:0+events_unbound08:20:235
2962878993027,2cyclictest3323079-21kworker/u16:2+flush-8:010:14:124
2962889992928,0cyclictest0-21swapper/708:15:517
2962883992927,2cyclictest3434321-21kworker/u16:1+events_unbound12:24:466
2962883992927,2cyclictest3323079-21kworker/u16:2+events_unbound10:04:336
2962883992927,2cyclictest3236783-21kworker/u16:1+flush-8:009:39:416
2962882992927,2cyclictest3434321-21kworker/u16:1+events_unbound11:12:455
2962889992827,0cyclictest0-21swapper/712:11:407
2962889992827,0cyclictest0-21swapper/710:28:397
2962889992827,0cyclictest0-21swapper/710:28:397
2962889992827,0cyclictest0-21swapper/709:23:527
2962889992826,1cyclictest3580995-21ssh11:43:017
2962889992726,0cyclictest0-21swapper/712:07:057
2962889992726,0cyclictest0-21swapper/710:40:197
2962889992726,0cyclictest0-21swapper/707:48:517
2962889992726,0cyclictest0-21swapper/707:35:267
2962889992726,0cyclictest0-21swapper/707:35:267
2962889992723,3cyclictest3222544-21ssh09:15:577
2962883992725,2cyclictest3616534-21kworker/u16:0+events_unbound12:10:226
2962883992725,2cyclictest3546350-21kworker/u16:5+events_unbound11:30:306
2962883992725,2cyclictest3372711-21kworker/u16:5+events_unbound10:36:106
2962882992725,2cyclictest2962641-21kworker/u16:0+events_unbound07:50:235
2962889992625,0cyclictest0-21swapper/712:37:567
2962889992625,0cyclictest0-21swapper/711:24:157
2962889992624,1cyclictest0-21swapper/711:11:217
2962889992624,1cyclictest0-21swapper/710:45:437
2962883992624,2cyclictest3434321-21kworker/u16:1+events_unbound11:49:086
2962883992624,2cyclictest2879633-21kworker/u16:5+events_unbound07:17:516
2962883992623,2cyclictest3594648-21kworker/u16:3+events_unbound11:54:306
2962882992625,1cyclictest3024880-21kworker/u16:3+events_unbound07:47:575
2962882992624,2cyclictest3532690-21kworker/u16:4+events_unbound11:38:025
2962889992524,0cyclictest0-21swapper/712:33:257
2962889992524,0cyclictest0-21swapper/711:20:337
2962889992524,0cyclictest0-21swapper/711:07:017
2962889992524,0cyclictest0-21swapper/710:56:537
2962889992524,0cyclictest0-21swapper/710:04:137
2962889992523,1cyclictest3333438-21ssh10:00:487
2962889992522,2cyclictest3209559-21ssh09:09:507
2962882992522,2cyclictest3073626-21kworker/u16:2+events_unbound08:29:135
2962889992423,0cyclictest0-21swapper/708:39:097
2962889992422,1cyclictest0-21swapper/710:34:017
2962883992422,2cyclictest3616534-21kworker/u16:0+events_unbound12:08:056
2962883992422,2cyclictest3434321-21kworker/u16:1+events_unbound11:14:136
2962883992422,2cyclictest3372711-21kworker/u16:5+events_unbound10:25:226
2962883992422,2cyclictest3372711-21kworker/u16:5+events_unbound10:25:226
2962883992422,2cyclictest3170278-21kworker/u16:2+events_unbound09:52:556
2962882992422,2cyclictest2995514-21kworker/u16:1+events_unbound08:47:525
2962889992322,0cyclictest0-21swapper/712:15:417
2962889992322,0cyclictest0-21swapper/711:38:507
2962889992322,0cyclictest0-21swapper/709:58:207
2962889992322,0cyclictest0-21swapper/707:11:227
2962883992321,2cyclictest3628869-21kworker/u16:2+flush-8:012:00:426
2962883992321,2cyclictest3434321-21kworker/u16:1+flush-8:012:29:226
2962883992321,2cyclictest3434321-21kworker/u16:1+events_unbound11:24:076
2962883992321,2cyclictest3323079-21kworker/u16:2+events_unbound10:20:236
2962883992321,2cyclictest2995514-21kworker/u16:1+events_unbound07:29:076
2962883992321,2cyclictest2913956-21kworker/u16:4+events_unbound07:19:366
2962882992321,2cyclictest3170278-21kworker/u16:2+events_unbound08:53:425
2962882992321,2cyclictest3024880-21kworker/u16:3+events_unbound07:58:265
2962882992321,2cyclictest3024880-21kworker/u16:3+events_unbound07:40:235
2962882992321,2cyclictest2879633-21kworker/u16:5+events_unbound07:13:235
2962889992221,0cyclictest0-21swapper/712:26:397
2962889992221,0cyclictest0-21swapper/712:02:087
2962889992221,0cyclictest0-21swapper/708:28:067
2962889992219,2cyclictest3480916-21ssh11:00:147
2962883992220,2cyclictest3505162-21kworker/u16:2+events_unbound11:37:096
2962883992220,2cyclictest3434321-21kworker/u16:1+flush-8:012:19:496
2962883992220,2cyclictest3310282-21kworker/u16:0+events_unbound10:12:026
2962883992220,2cyclictest3199843-21kworker/u16:1+flush-8:009:09:586
2962883992220,2cyclictest2962641-21kworker/u16:0+flush-8:008:19:126
2962882992220,2cyclictest2995514-21kworker/u16:1+events_unbound08:41:435
2962889992120,0cyclictest0-21swapper/711:46:007
2962889992120,0cyclictest0-21swapper/709:46:327
2962889992120,0cyclictest0-21swapper/708:51:397
2962889992120,0cyclictest0-21swapper/708:47:377
2962889992120,0cyclictest0-21swapper/708:12:467
296288999210,19cyclictest1124-21lldpd11:31:447
2962883992119,2cyclictest3323079-21kworker/u16:2+events_unbound10:18:536
2962883992119,2cyclictest3310282-21kworker/u16:0+events_unbound10:43:466
2962882992119,2cyclictest3131925-21kworker/u16:0+events_unbound08:59:505
2962889992019,0cyclictest0-21swapper/708:57:277
2962889992019,0cyclictest0-21swapper/707:50:527
2962883992018,2cyclictest3372711-21kworker/u16:5+flush-8:010:30:536
2962883992018,2cyclictest3323079-21kworker/u16:2+events_unbound10:01:196
2962883992018,2cyclictest3310282-21kworker/u16:0+events_unbound10:48:066
2962882992018,2cyclictest3131925-21kworker/u16:0+events_unbound09:08:515
2962882992018,2cyclictest3131925-21kworker/u16:0+events_unbound09:08:515
2962882992018,2cyclictest2962641-21kworker/u16:0+flush-8:008:24:415
2962882992018,2cyclictest2962641-21kworker/u16:0+flush-8:008:04:425
2962889991918,0cyclictest0-21swapper/709:02:557
2962889991918,0cyclictest0-21swapper/708:21:557
2962889991918,0cyclictest0-21swapper/707:15:597
2962883991917,2cyclictest3456013-21kworker/u16:2+events_unbound10:58:156
2962883991917,2cyclictest3434321-21kworker/u16:1+events_unbound12:16:416
2962883991917,2cyclictest3434321-21kworker/u16:1+events_unbound11:41:216
2962883991917,2cyclictest3238499-21kworker/u16:4+events_unbound09:28:106
2962883991917,2cyclictest3170278-21kworker/u16:2+flush-8:009:34:336
2962883991917,2cyclictest3170278-21kworker/u16:2+events_unbound09:34:116
2962883991917,2cyclictest3121980-21kworker/u16:3+events_unbound08:47:236
2962883991917,2cyclictest2962641-21kworker/u16:0+events_unbound07:34:336
2962883991917,2cyclictest2962641-21kworker/u16:0+events_unbound07:34:336
2962883991916,2cyclictest3121980-21kworker/u16:3+flush-8:009:04:326
2962883991916,2cyclictest3121980-21kworker/u16:3+flush-8:009:04:326
2962889991817,0cyclictest0-21swapper/711:52:437
2962883991816,2cyclictest3546350-21kworker/u16:5+flush-8:011:49:216
2962883991816,2cyclictest3434321-21kworker/u16:1+events_unbound11:03:386
2962883991816,2cyclictest3310282-21kworker/u16:0+events_unbound09:58:276
2962883991816,2cyclictest3170278-21kworker/u16:2+events_unbound09:46:506
2962883991816,2cyclictest3170278-21kworker/u16:2+events_unbound08:51:226
2962883991816,2cyclictest3131925-21kworker/u16:0+events_unbound08:54:416
2962883991816,2cyclictest2962641-21kworker/u16:0+flush-8:008:24:276
2962882991816,2cyclictest3131925-21kworker/u16:0+flush-8:008:55:505
2962882991816,2cyclictest3121980-21kworker/u16:3+flush-8:008:39:135
2962882991816,2cyclictest2995514-21kworker/u16:1+events_unbound08:17:585
2962882991816,2cyclictest2962641-21kworker/u16:0+events_unbound07:28:515
2962882991816,2cyclictest2913956-21kworker/u16:4+events_unbound07:17:475
2962889991716,0cyclictest0-21swapper/709:04:517
2962889991716,0cyclictest0-21swapper/709:04:517
2962889991716,0cyclictest0-21swapper/708:40:117
2962889991715,1cyclictest0-21swapper/707:23:107
2962883991715,2cyclictest3434321-21kworker/u16:1+events_unbound11:12:146
2962883991715,2cyclictest2995514-21kworker/u16:1+events_unbound07:59:326
2962882991715,2cyclictest2995514-21kworker/u16:1+flush-8:008:03:065
2962882991714,2cyclictest2995514-21kworker/u16:1+events_unbound07:29:155
296287899170,16cyclictest3241303-21kthreadcore09:24:304
2962889991615,0cyclictest0-21swapper/709:53:517
2962889991615,0cyclictest0-21swapper/708:34:097
2962889991615,0cyclictest0-21swapper/707:26:277
2962883991614,2cyclictest3456013-21kworker/u16:2+events_unbound10:53:306
2962883991614,2cyclictest3434321-21kworker/u16:1+events_unbound12:37:346
2962883991614,2cyclictest3073626-21kworker/u16:2+flush-8:008:09:356
2962878991613,2cyclictest3502183-21kthreadcore11:09:314
2962889991514,0cyclictest0-21swapper/707:43:587
2962889991514,0cyclictest0-21swapper/707:30:567
2962883991513,2cyclictest2995514-21kworker/u16:1+events_unbound08:30:236
2962883991513,2cyclictest2995514-21kworker/u16:1+events_unbound07:39:326
2962878991513,2cyclictest3310282-21kworker/u16:0+flush-8:011:00:174
2962878991513,1cyclictest0-21swapper/407:29:374
2962878991511,3cyclictest3310282-21kworker/u16:0+flush-8:010:49:434
2962889991413,0cyclictest0-21swapper/707:56:067
2962883991412,2cyclictest3121980-21kworker/u16:3+events_unbound08:34:276
2962883991412,2cyclictest2962641-21kworker/u16:0+flush-8:007:09:286
2962878991413,1cyclictest0-21swapper/412:08:574
2962878991413,1cyclictest0-21swapper/410:25:034
2962878991413,1cyclictest0-21swapper/410:25:034
2962878991413,1cyclictest0-21swapper/409:14:534
2962878991413,1cyclictest0-21swapper/407:34:274
2962878991413,1cyclictest0-21swapper/407:34:274
2962878991411,2cyclictest3627938-21/usr/sbin/munin11:59:394
296287899140,1cyclictest0-21swapper/411:52:434
296287899140,1cyclictest0-21swapper/410:01:054
296287899140,14cyclictest0-21swapper/412:16:224
296287899140,14cyclictest0-21swapper/411:38:504
296287899140,14cyclictest0-21swapper/410:06:364
296287899140,14cyclictest0-21swapper/409:29:334
296288399139,3cyclictest3103794-21cat08:19:266
296288399139,3cyclictest3006557-21cat07:29:276
2962883991311,2cyclictest3434321-21kworker/u16:1+events_unbound11:06:016
2962882991311,2cyclictest2962641-21kworker/u16:0+flush-8:008:10:025
2962878991312,1cyclictest0-21swapper/411:22:454
2962878991312,1cyclictest0-21swapper/410:35:084
2962878991312,1cyclictest0-21swapper/410:29:374
2962878991312,1cyclictest0-21swapper/409:19:284
2962878991312,1cyclictest0-21swapper/407:54:294
296287899130,13cyclictest0-21swapper/411:44:504
296287899130,13cyclictest0-21swapper/410:41:084
296287899130,13cyclictest0-21swapper/408:25:424
296287899130,0cyclictest0-21swapper/410:47:074
296288999129,2cyclictest1274-21snmpd11:18:527
296288999128,3cyclictest1274-21snmpd08:04:027
296287899127,4cyclictest2996862-21cat07:24:284
2962878991211,1cyclictest0-21swapper/411:26:514
2962878991211,1cyclictest0-21swapper/409:09:224
2962878991211,1cyclictest0-21swapper/408:07:154
2962878991211,1cyclictest0-21swapper/408:03:004
296287899120,1cyclictest0-21swapper/407:17:354
296287899120,1cyclictest0-21swapper/407:09:524
296288399119,2cyclictest2962641-21kworker/u16:0+events_unbound07:54:356
296288399117,3cyclictest3035773-21cat07:44:286
2962883991110,1cyclictest0-21swapper/608:41:076
2962878991110,1cyclictest0-21swapper/411:31:264
2962878991110,1cyclictest0-21swapper/411:18:114
2962878991110,1cyclictest0-21swapper/411:05:254
2962878991110,1cyclictest0-21swapper/410:57:414
2962878991110,1cyclictest0-21swapper/409:51:004
2962878991110,1cyclictest0-21swapper/409:42:194
2962878991110,1cyclictest0-21swapper/408:47:464
296287899110,1cyclictest0-21swapper/408:10:054
296288399108,2cyclictest2962641-21kworker/u16:0+flush-8:008:04:336
296287899106,3cyclictest3026024-21cat07:39:264
29628839997,2cyclictest3121980-21kworker/u16:3+events_unbound08:59:306
29628839997,1cyclictest0-21swapper/607:49:346
29628789998,1cyclictest0-21swapper/409:55:344
29628789997,1cyclictest0-21swapper/408:17:574
29628789996,2cyclictest5718-21JS11:28:244
29628789994,4cyclictest3607631-21fw_packets11:54:264
29628789994,4cyclictest3191564-21sed09:04:284
29628789994,4cyclictest3191564-21sed09:04:284
29628789990,8cyclictest3287844-21kthreadcore09:44:334
29628789987,1cyclictest0-21swapper/409:37:454
29628789985,2cyclictest3103743-21hddtemp_smartct08:19:264
29628789984,3cyclictest3679926-21chrt12:23:444
29628789984,3cyclictest3183939-21kthreadcore08:59:314
29628789984,3cyclictest3142997-21cut08:39:294
29628789984,3cyclictest3130432-21cut08:29:344
29628789984,3cyclictest3035079-21tr07:44:254
29628789983,4cyclictest3693394-21expr12:29:234
29628789983,4cyclictest3689245-21ntpq12:24:354
29628789983,4cyclictest3375687-21cut10:19:314
29628789983,4cyclictest3045216-21cat07:49:264
29628789980,4cyclictest3363026-21kthreadcore10:14:314
29628789976,1cyclictest0-21swapper/407:19:294
29628789975,1cyclictest0-21swapper/411:39:244
29628789974,2cyclictest3643877-21cpuspeed_turbos12:09:254
29628789973,3cyclictest3705797-21forks12:34:254
29628789973,3cyclictest3161576-21cat08:49:264
29628789972,4cyclictest3132575-21expr08:34:254
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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