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2026-03-16 - 13:23
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Mon Mar 16, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385099448525,0cyclictest0-21swapper23:51:150
3850992923807,0cyclictest5561-21sendmail_mailtr23:19:540
3850992561284,0cyclictest30406-1kworker/0:1H19:04:530
3850992509276,0cyclictest30406-1kworker/0:1H21:04:530
38509924701946,0cyclictest0-21swapper00:20:040
3850992315314,0cyclictest30406-1kworker/0:1H23:39:530
3850992300279,0cyclictest30406-1kworker/0:1H20:09:530
3850992238268,0cyclictest30406-1kworker/0:1H22:44:530
3850992151261,0cyclictest30406-1kworker/0:1H21:49:540
3850992109251,0cyclictest30406-1kworker/0:1H20:19:530
3850992095286,0cyclictest30406-1kworker/0:1H22:59:520
3850992082127,0cyclictest30406-1kworker/0:1H23:09:550
3850992016311,0cyclictest30406-1kworker/0:1H20:04:530
3850991945248,0cyclictest30406-1kworker/0:1H22:09:520
3850991860105,0cyclictest30406-1kworker/0:1H20:24:530
3850991795262,0cyclictest30406-1kworker/0:1H21:24:530
3850991782247,0cyclictest30406-1kworker/0:1H19:49:540
3850991749303,0cyclictest30406-1kworker/0:1H00:09:520
3850991743731,0cyclictest9-21ksoftirqd/022:19:540
3850991722294,0cyclictest30406-1kworker/0:1H23:44:540
3850991712291,0cyclictest30406-1kworker/0:1H20:59:520
3850991709239,0cyclictest30406-1kworker/0:1H19:39:520
3850991703152,0cyclictest30406-1kworker/0:1H00:29:510
3850991701284,0cyclictest30406-1kworker/0:1H19:59:530
3850991694304,0cyclictest30406-1kworker/0:1H22:39:530
3850991688266,0cyclictest30406-1kworker/0:1H21:19:530
3850991678826,0cyclictest7821-21munin-node19:19:540
3850991677277,0cyclictest30406-1kworker/0:1H21:09:540
3850991666310,0cyclictest30406-1kworker/0:1H19:44:560
3850991658257,0cyclictest30406-1kworker/0:1H21:44:530
3850991653258,0cyclictest30406-1kworker/0:1H21:59:530
3850991652289,0cyclictest30406-1kworker/0:1H22:24:530
3850991634676,0cyclictest9-21ksoftirqd/019:29:570
3850991628551,0cyclictest9-21ksoftirqd/020:29:530
3850991626409,0cyclictest30406-1kworker/0:1H19:54:570
3850991611316,0cyclictest30406-1kworker/0:1H21:29:540
38509916111482,0cyclictest0-21swapper23:27:010
3850991607284,0cyclictest30406-1kworker/0:1H22:49:510
3850991599724,0cyclictest9-21ksoftirqd/020:44:510
3850991598407,0cyclictest9-21ksoftirqd/023:57:500
3850991590255,0cyclictest30406-1kworker/0:1H00:34:570
3850991576277,0cyclictest30406-1kworker/0:1H21:39:530
3850991551217,0cyclictest30406-1kworker/0:1H20:49:530
3850991505640,0cyclictest9-21ksoftirqd/023:15:040
3850991472512,0cyclictest9-21ksoftirqd/019:27:410
3850991462227,0cyclictest30406-1kworker/0:1H21:35:030
3850991454250,0cyclictest30406-1kworker/0:1H19:15:040
3850991443280,0cyclictest30406-1kworker/0:1H21:55:030
38509914431334,0cyclictest30406-1kworker/0:1H20:16:230
3850991437283,0cyclictest30406-1kworker/0:1H23:35:030
3850991431671,0cyclictest9-21ksoftirqd/000:15:020
3850991421286,0cyclictest30406-1kworker/0:1H22:29:590
3850991384115,0cyclictest3849-21cyclictest23:34:420
3850991356295,0cyclictest30406-1kworker/0:1H19:35:040
3850991345238,0cyclictest30406-1kworker/0:1H20:55:060
3850991335262,0cyclictest30406-1kworker/0:1H22:04:570
3850991333269,0cyclictest30406-1kworker/0:1H21:15:070
3850991328362,0cyclictest30406-1kworker/0:1H22:55:070
38509913151204,0cyclictest30406-1kworker/0:1H19:11:190
3850991311178,0cyclictest30406-1kworker/0:1H22:15:030
3850991294319,0cyclictest30406-1kworker/0:1H00:04:570
3850991250315,0cyclictest30406-1kworker/0:1H23:04:560
3850991179291,0cyclictest30406-1kworker/0:1H20:49:580
3850991102992,0cyclictest30406-1kworker/0:1H00:04:180
10110450,0rcuc/01986-21cron18:59:440
3850991037227,0cyclictest30406-1kworker/0:1H22:35:060
385099963265,0cyclictest30406-1kworker/0:1H20:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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