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2025-06-17 - 02:04
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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
Characteristics of the 50 highest latencies:
System rackdslot2.osadl.org (updated Mon Jun 16, 2025 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137391232165,22phc2sys0-21swapper/307:05:083
51972213164,37sleep00-21swapper/007:07:590
51262205172,22sleep20-21swapper/207:07:052
47292205173,21sleep10-21swapper/107:05:271
226262750,2sleep00-21swapper/011:05:190
5650996928,5cyclictest41-21ksoftirqd/310:00:013
564999696,22cyclictest861-21irqrtprio10:20:222
564999670,23cyclictest28213-21cat12:25:002
5650996631,4cyclictest41-21ksoftirqd/311:15:003
564999630,30cyclictest11968-21/usr/sbin/munin11:50:232
5650996220,4cyclictest41-21ksoftirqd/311:01:173
5650996120,4cyclictest41-21ksoftirqd/307:47:123
564999610,26cyclictest9037-21grep07:15:212
5650996030,4cyclictest41-21ksoftirqd/309:45:003
5650996013,9cyclictest41-21ksoftirqd/309:22:443
564999606,19cyclictest30583-21expr08:00:142
5650995926,4cyclictest41-21ksoftirqd/308:35:003
5650995827,4cyclictest41-21ksoftirqd/310:50:173
5650995821,4cyclictest41-21ksoftirqd/311:24:403
5650995729,4cyclictest41-21ksoftirqd/312:20:243
5650995727,10cyclictest41-21ksoftirqd/309:15:003
5650995722,4cyclictest41-21ksoftirqd/309:45:193
5650995721,4cyclictest41-21ksoftirqd/310:00:553
5650995720,4cyclictest41-21ksoftirqd/312:08:563
5650995720,4cyclictest41-21ksoftirqd/311:49:473
5650995720,4cyclictest41-21ksoftirqd/311:49:473
5650995720,4cyclictest41-21ksoftirqd/308:49:473
5650995719,4cyclictest41-21ksoftirqd/310:59:163
5650995719,4cyclictest41-21ksoftirqd/310:20:333
5650995719,4cyclictest41-21ksoftirqd/308:10:473
5650995719,3cyclictest41-21ksoftirqd/311:08:353
5650995718,4cyclictest41-21ksoftirqd/308:58:043
5650995716,4cyclictest41-21ksoftirqd/307:54:023
5650995628,7cyclictest41-21ksoftirqd/308:30:003
5650995620,4cyclictest41-21ksoftirqd/311:43:493
5650995620,4cyclictest41-21ksoftirqd/308:16:493
5650995620,4cyclictest41-21ksoftirqd/307:56:513
5650995619,4cyclictest41-21ksoftirqd/312:02:313
5650995618,4cyclictest41-21ksoftirqd/307:38:303
564999560,24cyclictest19575-21/usr/sbin/munin11:00:292
5650995527,4cyclictest41-21ksoftirqd/308:05:193
5650995527,4cyclictest41-21ksoftirqd/308:00:163
5650995524,7cyclictest41-21ksoftirqd/312:30:193
5650995521,8cyclictest41-21ksoftirqd/307:30:263
5650995520,4cyclictest41-21ksoftirqd/308:52:233
5650995518,9cyclictest41-21ksoftirqd/311:55:233
5650995518,4cyclictest41-21ksoftirqd/311:25:483
5650995518,4cyclictest41-21ksoftirqd/310:48:283
5650995518,4cyclictest41-21ksoftirqd/310:31:403
5650995427,7cyclictest41-21ksoftirqd/309:05:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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