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2026-05-05 - 01:28
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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 Mon May 04, 2026 13:03:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3130499219188,16cyclictest0-21swapper/411:29:2534
3130499219188,16cyclictest0-21swapper/411:29:2534
3130499219188,16cyclictest0-21swapper/411:29:2434
3130499217184,11cyclictest0-21swapper/411:13:1534
3130499217184,11cyclictest0-21swapper/411:13:1434
3133399205198,3cyclictest0-21swapper/2811:00:2021
3133399205198,3cyclictest0-21swapper/2811:00:2021
3133399204176,15cyclictest15757-21cut11:45:1321
3133399204176,15cyclictest15757-21cut11:45:1321
3132899202175,13cyclictest171rcu_preempt09:51:2516
3132899202175,13cyclictest171rcu_preempt09:51:2516
3132899202175,13cyclictest171rcu_preempt09:51:2416
3133399199188,9cyclictest0-21swapper/2812:30:2021
3133399199188,9cyclictest0-21swapper/2812:30:1921
3133399198172,19cyclictest2327-21qemu-system-x8612:37:2621
3133399198172,19cyclictest2327-21qemu-system-x8612:37:2621
3133399198172,19cyclictest2327-21qemu-system-x8612:37:2521
3133399198158,33cyclictest0-21swapper/2807:35:2421
3133399198158,33cyclictest0-21swapper/2807:35:2421
3130399197193,2cyclictest0-21swapper/309:40:0423
3130399197193,2cyclictest0-21swapper/309:40:0323
3133399196173,16cyclictest1392-21gdbus09:13:3521
3133399196173,16cyclictest1392-21gdbus09:13:3421
3133399196173,16cyclictest1392-21gdbus09:13:3421
3130499196180,9cyclictest0-21swapper/410:11:5834
3130499196180,9cyclictest0-21swapper/410:11:5734
3130499196180,9cyclictest0-21swapper/410:11:5734
3130399196189,4cyclictest0-21swapper/308:30:2023
3130399196189,4cyclictest0-21swapper/308:30:2023
3133399195182,9cyclictest0-21swapper/2810:55:1321
3133399195182,9cyclictest0-21swapper/2810:55:1221
3133399195182,9cyclictest0-21swapper/2810:55:1221
3133399195178,11cyclictest25005-21gdbus10:02:2621
3133399195178,11cyclictest25005-21gdbus10:02:2621
3130499195165,12cyclictest0-21swapper/410:41:2034
3130499195165,12cyclictest0-21swapper/410:41:1934
3134499194185,6cyclictest0-21swapper/3711:46:1431
3134499194185,6cyclictest0-21swapper/3711:46:1431
3133399194155,31cyclictest0-21swapper/2811:19:5221
3133399194155,31cyclictest0-21swapper/2811:19:5121
31305991942,182cyclictest2456-21CPU35
31305991942,182cyclictest2456-21CPU35
3132499193179,7cyclictest0-21swapper/2011:36:2813
3132499193179,7cyclictest0-21swapper/2011:36:2813
3132499193179,7cyclictest0-21swapper/2011:36:2813
3133399192180,10cyclictest0-21swapper/2809:35:1421
3133399192180,10cyclictest0-21swapper/2809:35:1321
3133399192176,13cyclictest0-21swapper/2810:05:1821
3133399192176,13cyclictest0-21swapper/2810:05:1821
3133399192164,15cyclictest0-21swapper/2810:25:2221
3133399192164,15cyclictest0-21swapper/2810:25:2121
3133399192164,15cyclictest0-21swapper/2810:25:2121
31325991922,186cyclictest0-21swapper/2110:40:1614
31325991922,186cyclictest0-21swapper/2110:40:1514
3133399191163,12cyclictest0-21swapper/2811:32:0221
3133399191163,12cyclictest0-21swapper/2811:32:0221
3133399191161,20cyclictest0-21swapper/2810:50:1921
3133399191161,20cyclictest0-21swapper/2810:50:1821
3131999191171,18cyclictest0-21swapper/1510:25:507
3131999191171,18cyclictest0-21swapper/1510:25:507
3131999191171,18cyclictest0-21swapper/1510:25:497
3130599191145,37cyclictest0-21swapper/512:01:1235
3130599191145,37cyclictest0-21swapper/512:01:1135
3130599191145,37cyclictest0-21swapper/512:01:1135
3130099191137,22cyclictest0-21swapper/012:34:090
3130099191137,22cyclictest0-21swapper/012:34:080
3132899190178,8cyclictest0-21swapper/2309:20:4716
3132899190178,8cyclictest0-21swapper/2309:20:4616
3132899190178,8cyclictest0-21swapper/2309:20:4616
3130099189174,4cyclictest0-21swapper/009:39:510
3130099189174,4cyclictest0-21swapper/009:39:500
3133399188178,7cyclictest2462-21CPU21
3133399188178,7cyclictest2462-21CPU21
3133399188178,7cyclictest2462-21CPU21
3134599187147,31cyclictest2447-21CPU32
3134599187147,31cyclictest2447-21CPU32
3133399187155,21cyclictest0-21swapper/2811:43:3721
3133399187155,21cyclictest0-21swapper/2811:43:3621
3131199187179,6cyclictest0-21swapper/1011:29:562
3131199187179,6cyclictest0-21swapper/1011:29:562
3131199187179,6cyclictest0-21swapper/1011:29:562
3133399186176,5cyclictest0-21swapper/2809:25:1721
3133399186176,5cyclictest0-21swapper/2809:25:1721
3132899186176,3cyclictest171rcu_preempt10:33:4716
3132899186176,3cyclictest171rcu_preempt10:33:4716
3132099186175,7cyclictest0-21swapper/1609:21:518
3132099186175,7cyclictest0-21swapper/1609:21:518
3132099186175,7cyclictest0-21swapper/1609:21:518
3131199186172,10cyclictest0-21swapper/1010:28:222
3131199186172,10cyclictest0-21swapper/1010:28:222
3131199186172,10cyclictest0-21swapper/1010:28:212
3132899185173,3cyclictest0-21swapper/2310:58:1316
3132899185173,3cyclictest0-21swapper/2310:58:1216
3132899185173,3cyclictest0-21swapper/2310:58:1216
313309918464,42cyclictest0-21swapper/2508:15:0018
3133399183172,3cyclictest0-21swapper/2809:46:1921
3133399183172,3cyclictest0-21swapper/2809:46:1921
3133399183162,9cyclictest0-21swapper/2811:09:1421
3133399183162,9cyclictest0-21swapper/2811:09:1421
31305991831,2cyclictest0-21swapper/508:25:0135
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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