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2026-05-29 - 01:29
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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 rack6slot0.osadl.org (updated Thu May 28, 2026 13:02:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1863099201191,8cyclictest0-21swapper/1509:10:007
1863099201191,8cyclictest0-21swapper/1509:10:007
1864399184104,71cyclictest0-21swapper/2612:30:1519
1864399184104,71cyclictest0-21swapper/2612:30:1519
1864399184104,71cyclictest0-21swapper/2612:30:1419
1863799182149,14cyclictest0-21swapper/2112:36:0814
1863799182149,14cyclictest0-21swapper/2112:36:0714
1863799182149,14cyclictest0-21swapper/2112:36:0714
1862999181163,11cyclictest4410-21qemu-system-x8612:14:106
1862999181163,11cyclictest4410-21qemu-system-x8612:14:106
1862999181163,11cyclictest4410-21qemu-system-x8612:14:096
1863099179150,5cyclictest0-21swapper/1509:18:077
1863099179150,5cyclictest0-21swapper/1509:18:067
1864399178138,30cyclictest0-21swapper/2610:13:3919
1864399178138,30cyclictest0-21swapper/2610:13:3919
1864399178138,30cyclictest0-21swapper/2610:13:3919
1861399178151,19cyclictest0-21swapper/111:44:161
1861399178151,19cyclictest0-21swapper/111:44:161
1863699176142,20cyclictest0-21swapper/2011:10:0513
1863699176142,20cyclictest0-21swapper/2011:10:0413
1861399176131,36cyclictest0-21swapper/112:40:071
1863699175130,26cyclictest0-21swapper/2010:32:0713
1863699175130,26cyclictest0-21swapper/2010:32:0613
1863699175130,26cyclictest0-21swapper/2010:32:0613
1862599175143,10cyclictest171rcu_preempt10:55:562
1862599175143,10cyclictest171rcu_preempt10:55:562
1862599174162,2cyclictest0-21swapper/1009:21:232
1862599174162,2cyclictest0-21swapper/1009:21:232
1864399173138,28cyclictest0-21swapper/2611:24:2119
1864399173138,28cyclictest0-21swapper/2611:24:2119
1864399173138,28cyclictest0-21swapper/2611:24:2019
1864699172159,11cyclictest0-21swapper/2810:47:3721
1864699172159,11cyclictest0-21swapper/2810:47:3721
1864699172159,11cyclictest0-21swapper/2810:47:3721
1862999172163,2cyclictest0-21swapper/1410:52:576
1862999172163,2cyclictest0-21swapper/1410:52:576
1863799171154,3cyclictest0-21swapper/2111:43:1814
1863799171154,3cyclictest0-21swapper/2111:43:1714
1864399170130,31cyclictest0-21swapper/2607:30:3919
1864399170130,31cyclictest0-21swapper/2607:30:3919
1863099170155,8cyclictest0-21swapper/1511:45:537
1863099170155,8cyclictest0-21swapper/1511:45:537
1862999170149,13cyclictest0-21swapper/1410:25:046
1862999170149,13cyclictest0-21swapper/1410:25:046
1862499169165,2cyclictest0-21swapper/909:45:1839
1862499169165,2cyclictest0-21swapper/909:45:1839
1861399169131,31cyclictest0-21swapper/110:34:071
1861399169131,31cyclictest0-21swapper/110:34:071
1861399169131,31cyclictest0-21swapper/110:34:071
18643991681,157cyclictest0-21swapper/2610:45:1919
18643991681,157cyclictest0-21swapper/2610:45:1919
18643991681,157cyclictest0-21swapper/2610:45:1919
1863799168148,15cyclictest0-21swapper/2109:36:0614
1863799168148,15cyclictest0-21swapper/2109:36:0614
1861399168155,11cyclictest0-21swapper/110:36:501
1861399168155,11cyclictest0-21swapper/110:36:491
1862999167153,2cyclictest0-21swapper/1409:21:246
1862999167153,2cyclictest0-21swapper/1409:21:236
1862999167149,9cyclictest0-21swapper/1409:40:566
1862999167149,9cyclictest0-21swapper/1409:40:566
1865499166141,10cyclictest0-21swapper/3611:48:4330
1865499166141,10cyclictest0-21swapper/3611:48:4230
1863799166153,8cyclictest0-21swapper/2112:06:3114
1863799166153,8cyclictest0-21swapper/2112:06:3014
1862899166130,33cyclictest37265-21CPU5
1862899166130,33cyclictest37265-21CPU5
1862599166146,5cyclictest0-21swapper/1010:04:332
1862599166146,5cyclictest0-21swapper/1010:04:322
1864399165132,26cyclictest0-21swapper/2610:07:3419
1864399165132,26cyclictest0-21swapper/2610:07:3419
1864399165132,26cyclictest0-21swapper/2610:07:3319
1863799165155,8cyclictest0-21swapper/2111:26:0814
1863799165155,8cyclictest0-21swapper/2111:26:0714
1863799165155,8cyclictest0-21swapper/2111:26:0714
1862999165128,22cyclictest3543-21CPU6
1862999165128,22cyclictest3543-21CPU6
1863199164158,4cyclictest0-21swapper/1608:45:468
1863199164158,4cyclictest0-21swapper/1608:45:458
1863099164152,9cyclictest0-21swapper/1512:18:067
1863099164152,9cyclictest0-21swapper/1512:18:067
1862999164145,11cyclictest0-21swapper/1411:00:036
1862999164145,11cyclictest0-21swapper/1411:00:036
1864699163139,6cyclictest0-21swapper/2809:45:3321
1864699163139,6cyclictest0-21swapper/2809:45:3321
1864399163116,42cyclictest0-21swapper/2611:14:1019
1864399163116,42cyclictest0-21swapper/2611:14:0919
1864399163116,42cyclictest0-21swapper/2611:14:0919
1863799163141,13cyclictest0-21swapper/2111:12:5614
1863799163141,13cyclictest0-21swapper/2111:12:5514
1863799163141,13cyclictest0-21swapper/2111:12:5514
1862699163110,45cyclictest0-21swapper/1111:10:463
1862699163110,45cyclictest0-21swapper/1111:10:463
1862699163110,45cyclictest0-21swapper/1111:10:463
1861599163158,4cyclictest0-21swapper/311:05:3823
1861599163158,4cyclictest0-21swapper/311:05:3723
186139916383,76cyclictest3546-21CPU1
186139916383,76cyclictest3546-21CPU1
186139916383,76cyclictest3546-21CPU1
186319916294,54cyclictest3544-21CPU8
186319916294,54cyclictest3544-21CPU8
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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