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2025-12-19 - 01:25
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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 100 highest latencies:
System rack8slot5.osadl.org (updated Thu Dec 18, 2025 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
"interval":200,6586
"cycles":100000000,6585
"load":"idle",6584
"condition":{6583
"clock":"3400"6581
"family":"x86",6580
"vendor":"Intel",6579
"processor":{6577
"dataset":"2024-01-08T15:37:47+0100"6575
"origin":"2024-01-08T12:43:21+0100",6574
"timestamps":{6573
"granularity":"microseconds"6571
2010:49:286569
18,10:49:266568
18,10:49:266567
19,10:49:276566
18,10:49:266565
18,10:49:266564
18,10:49:266563
18,10:49:266562
"maxima":[6561
010:49:086558
0,10:49:086557
0,10:49:086556
0,10:49:086555
0,10:49:086554
0,10:49:086553
0,10:49:086552
0,10:49:086551
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0,10:49:086549
0,10:49:086548
0,10:49:086547
0,10:49:086546
0,10:49:086545
0,10:49:086544
0,10:49:086543
0,10:49:086542
0,10:49:086541
0,10:49:086540
0,10:49:086539
0,10:49:086538
0,10:49:086537
0,10:49:086536
0,10:49:086535
0,10:49:086534
0,10:49:086533
0,10:49:086532
0,10:49:086531
0,10:49:086530
0,10:49:086529
0,10:49:086528
0,10:49:086527
0,10:49:086526
0,10:49:086525
0,10:49:086524
0,10:49:086523
0,10:49:086522
0,10:49:086521
0,10:49:086520
0,10:49:086519
0,10:49:086518
0,10:49:086517
0,10:49:086516
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0,10:49:086514
0,10:49:086513
0,10:49:086512
0,10:49:086511
0,10:49:086510
0,10:49:086509
0,10:49:086508
0,10:49:086507
0,10:49:086506
0,10:49:086505
0,10:49:086504
0,10:49:086503
0,10:49:086502
0,10:49:086501
0,10:49:086500
0,10:49:086499
0,10:49:086498
0,10:49:086497
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0,10:49:086480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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