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2025-12-15 - 20:14
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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 792 highest latencies:
System rack6slot7.osadl.org (updated Mon Dec 15, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
"interval":200,4564
"cycles":100000000,4563
"load":"idle",4562
"condition":{4561
"clock":"2300"4559
"family":"x86",4558
"vendor":"Intel",4557
"processor":{4555
"dataset":"2024-01-08T15:37:35+0100"4553
"origin":"2024-01-08T12:43:22+0100",4552
"timestamps":{4551
"granularity":"microseconds"4549
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24,23:29:193808
3,23:28:583807
1,23:28:563806
0,23:28:553805
10,23:29:053804
30,23:29:253803
11,23:29:063802
7,23:29:023801
6,23:29:013800
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8,23:29:033797
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26,23:29:213795
13,23:29:083794
8,23:29:033793
1,23:28:563792
2,23:28:573791
2,23:28:573790
3,23:28:583789
3,23:28:583788
5,23:29:003787
9,23:29:043786
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27,23:29:223784
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27,23:29:223782
24,23:29:193781
25,23:29:203780
67,23:30:023779
121,23:30:563778
201,23:32:163777
330,23:34:253776
576,23:38:313775
1163,23:48:183774
1939,00:01:143773
3419,00:25:543772
5227,00:56:023771
7584,01:35:193770
9657,02:09:523769
10501,02:23:563768
10085,02:17:003767
9793,02:12:083766
10120,02:17:353765
5811,01:05:463764
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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