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2026-08-28 - 15:16
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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 100 highest latencies:
System rack0slot2.osadl.org (updated Fri Aug 28, 2026 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33951952970,1sleep73395197-21cut12:15:127
269666425645,8sleep50-21swapper/507:06:355
269687725419,30sleep70-21swapper/707:09:347
269680824937,8sleep40-21swapper/407:08:354
269686723828,7sleep60-21swapper/607:09:256
2697164993634,2cyclictest3229819-21kworker/u16:6+events_unbound11:10:076
27619492290,1chrt2761950-21kthreadcore07:40:107
2697161992927,2cyclictest3270137-21kworker/u16:0+events_unbound11:35:425
2697161992927,2cyclictest3229818-21kworker/u16:5+flush-8:011:24:525
2697161992624,2cyclictest2971951-21kworker/u16:1+events_unbound09:25:055
2697164992523,2cyclictest3287284-21kworker/u16:1+flush-8:011:50:186
2697164992522,2cyclictest2925255-21kworker/u16:0+events_unbound09:05:076
2697164992422,2cyclictest2971951-21kworker/u16:1+flush-8:009:54:476
2697161992321,2cyclictest2993249-21kworker/u16:4+events_unbound10:03:375
33608822220,1chrt3360883-21kthreadcore12:00:147
2697161992220,2cyclictest2758465-21kworker/u16:1+flush-8:008:52:065
2697161992220,2cyclictest2020738-21kworker/u16:0+events_unbound07:31:115
2697161992119,2cyclictest2993249-21kworker/u16:4+flush-8:009:30:295
2697161992119,2cyclictest2855652-21kworker/u16:6+events_unbound08:41:425
2697161992119,2cyclictest2855652-21kworker/u16:6+events_unbound08:41:425
2697161992119,2cyclictest2855652-21kworker/u16:6+events_unbound08:31:465
2697161992119,2cyclictest2813108-21kworker/u16:0+flush-8:008:22:245
2697161992119,2cyclictest2768671-21kworker/u16:2+events_unbound07:43:295
2697161992117,2cyclictest2993249-21kworker/u16:4+events_unbound10:09:585
31936492200,1chrt3193647-21ssh10:53:547
31936492200,1chrt3193647-21ssh10:53:547
2697164992018,2cyclictest3227343-21kworker/u16:2+flush-8:011:20:226
2697161992018,2cyclictest2993249-21kworker/u16:4+events_unbound09:44:595
2697161992018,2cyclictest2993249-21kworker/u16:4+events_unbound09:34:595
2697161992018,2cyclictest2912133-21kworker/u16:4+events_unbound08:55:505
2697161992018,2cyclictest2768671-21kworker/u16:2+flush-8:007:53:545
2697161992018,2cyclictest2758465-21kworker/u16:1+events_unbound07:38:505
2697161992018,2cyclictest2676617-21kworker/u16:2+events_unbound07:13:225
2697159992018,2cyclictest2925255-21kworker/u16:0+events_unbound09:39:034
2697166991915,3cyclictest1277-21snmpd12:28:147
2697166991915,3cyclictest1277-21snmpd09:31:237
2697161991917,2cyclictest2912133-21kworker/u16:4+flush-8:009:08:175
2697161991917,2cyclictest2855652-21kworker/u16:6+events_unbound08:38:425
2697161991917,2cyclictest2768671-21kworker/u16:2+flush-8:007:56:465
2697161991917,2cyclictest2758465-21kworker/u16:1+events_unbound09:02:175
2697161991917,2cyclictest2758465-21kworker/u16:1+events_unbound08:19:375
2697161991917,2cyclictest2686962-21kworker/u16:3+flush-8:007:19:595
2697159991917,2cyclictest2971951-21kworker/u16:1+events_unbound09:40:234
2697166991811,5cyclictest648-21systemd-journal11:49:527
2697164991816,2cyclictest3064812-21kworker/u16:1+flush-8:010:00:476
2697161991816,2cyclictest2768671-21kworker/u16:2+events_unbound08:48:345
2697161991816,2cyclictest2758465-21kworker/u16:1+events_unbound08:08:425
2697161991816,2cyclictest2686962-21kworker/u16:3+flush-8:008:10:525
2697159991816,2cyclictest3439396-21kworker/u16:2+events_unbound12:39:184
2697159991816,2cyclictest3252516-21kworker/u16:3+events_unbound11:17:474
2697159991816,2cyclictest3092951-21kworker/u16:0+events_unbound10:42:504
2697159991816,2cyclictest2971951-21kworker/u16:1+events_unbound09:48:124
2697159991816,2cyclictest2894673-21kworker/u16:3+events_unbound09:10:104
2697166991713,3cyclictest1277-21snmpd12:06:257
2697166991712,4cyclictest0-21swapper/710:15:147
2697164991715,2cyclictest3021665-21kworker/u16:2+events_unbound10:34:476
2697161991715,2cyclictest2894673-21kworker/u16:3+flush-8:010:49:475
2697161991715,2cyclictest2813108-21kworker/u16:0+flush-8:008:25:285
2697161991715,2cyclictest2779905-21kworker/u16:4+events_unbound08:03:065
2697159991715,2cyclictest3315430-21kworker/u16:2+events_unbound11:41:474
2697159991715,2cyclictest2993249-21kworker/u16:4+events_unbound09:32:584
2697159991715,2cyclictest2894673-21kworker/u16:3+events_unbound09:21:384
2697159991715,2cyclictest2855652-21kworker/u16:6+events_unbound09:16:074
34523752160,1sleep60-21swapper/612:37:236
2697166991615,0cyclictest0-21swapper/709:39:537
2697166991614,1cyclictest0-21swapper/708:10:157
2697166991613,2cyclictest1277-21snmpd10:23:377
2697164991614,2cyclictest2686962-21kworker/u16:3+flush-8:007:10:076
2697161991614,2cyclictest3388630-21kworker/u16:2+events_unbound12:17:315
2697161991614,2cyclictest3270137-21kworker/u16:0+flush-8:011:49:525
2697161991614,2cyclictest2768671-21kworker/u16:2+events_unbound07:46:255
2697161991614,2cyclictest2706466-21kworker/u16:1+flush-8:007:17:215
2697159991614,2cyclictest3317983-21kworker/u16:4+events_unbound12:13:034
2697159991614,2cyclictest3229818-21kworker/u16:5+events_unbound11:29:384
2697159991614,2cyclictest3092951-21kworker/u16:0+events_unbound10:13:074
269716699159,5cyclictest648-21systemd-journal11:00:517
269716699157,7cyclictest6387-21gmain10:49:147
269716699156,8cyclictest5988-21gmain11:57:427
2697166991512,2cyclictest5805-21gsd-housekeepin09:24:587
269716699150,13cyclictest1277-21snmpd10:25:347
2697161991513,2cyclictest3227343-21kworker/u16:2+events_unbound11:08:145
2697161991513,2cyclictest3138359-21kworker/u16:4+flush-8:010:30:525
2697161991513,2cyclictest3092951-21kworker/u16:0+flush-8:010:39:475
2697161991513,2cyclictest2894673-21kworker/u16:3+events_unbound11:02:055
269716199150,1cyclictest0-21swapper/510:05:385
2697159991513,2cyclictest3363975-21kworker/u16:0+events_unbound12:29:384
2697159991513,2cyclictest3315430-21kworker/u16:2+events_unbound11:53:154
2697159991513,2cyclictest3229818-21kworker/u16:5+events_unbound11:32:554
2697159991513,2cyclictest3153644-21kworker/u16:1+events_unbound10:45:464
2697159991513,2cyclictest2706466-21kworker/u16:1+events_unbound07:17:034
2697159991512,2cyclictest6127-21gvfs-udisks2-vo12:05:424
34060032140,1sleep73406006-21cut12:20:097
2697166991412,1cyclictest0-21swapper/712:35:117
2697166991410,3cyclictest1277-21snmpd08:31:287
269716699140,12cyclictest3432869-21kthreadcore12:30:117
269716699140,12cyclictest3290088-21ntpq11:30:227
269716699140,12cyclictest3009369-21cat09:40:037
2697164991413,1cyclictest0-21swapper/612:15:186
2697164991413,1cyclictest0-21swapper/611:30:236
2697164991413,1cyclictest0-21swapper/609:38:276
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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