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2026-03-22 - 01:38
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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 Sat Mar 21, 2026 13:03:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2476799207198,7cyclictest0-21swapper/210:41:1512
2476799207198,7cyclictest0-21swapper/210:41:1512
2480199206193,8cyclictest0-21swapper/3211:25:5226
2480199206193,8cyclictest0-21swapper/3211:25:5226
2480199206193,8cyclictest0-21swapper/3211:25:5126
2476899198159,33cyclictest0-21swapper/308:00:1923
2476899198159,33cyclictest0-21swapper/308:00:1923
2479699196189,5cyclictest0-21swapper/2809:51:4421
2479699196189,5cyclictest0-21swapper/2809:51:4321
2479299193182,9cyclictest0-21swapper/2407:15:0617
2479299193182,9cyclictest0-21swapper/2407:15:0617
2480199190177,10cyclictest31294-21sshd12:19:0826
2480199190177,10cyclictest31294-21sshd12:19:0826
2480199190177,10cyclictest31294-21sshd12:19:0726
2476899189171,12cyclictest0-21swapper/310:51:0523
2476899189171,12cyclictest0-21swapper/310:51:0523
2476899188176,11cyclictest0-21swapper/310:47:5123
2476899188176,11cyclictest0-21swapper/310:47:5123
2476899188176,11cyclictest0-21swapper/310:47:5123
2476799185173,10cyclictest0-21swapper/210:38:2912
2476799185173,10cyclictest0-21swapper/210:38:2812
2476799185173,10cyclictest0-21swapper/210:38:2812
2479499184173,9cyclictest0-21swapper/2608:40:3019
2479499184173,9cyclictest0-21swapper/2608:40:3019
2479699183168,13cyclictest0-21swapper/2808:20:1121
2479699183168,13cyclictest0-21swapper/2808:20:1121
2479499183140,10cyclictest0-21swapper/2610:48:3619
2479499183140,10cyclictest0-21swapper/2610:48:3619
2479499183140,10cyclictest0-21swapper/2610:48:3619
2480199181155,24cyclictest0-21swapper/3209:40:5726
2480199181155,24cyclictest0-21swapper/3209:40:5726
2480199180171,7cyclictest0-21swapper/3212:21:2626
2480199180171,7cyclictest0-21swapper/3212:21:2626
2480199180171,7cyclictest0-21swapper/3212:21:2626
2480199180171,7cyclictest0-21swapper/3212:11:2326
2480199180171,7cyclictest0-21swapper/3212:11:2226
2480199180169,7cyclictest0-21swapper/3210:10:0026
2480199180169,7cyclictest0-21swapper/3210:10:0026
2476899180168,6cyclictest142150irq/43-eno1-TxRx-108:00:0023
2476899180168,6cyclictest142150irq/43-eno1-TxRx-108:00:0023
2480199177164,9cyclictest0-21swapper/3210:14:4426
2480199177164,9cyclictest0-21swapper/3210:14:4426
2480199177164,9cyclictest0-21swapper/3210:14:4426
2479699177158,17cyclictest0-21swapper/2810:07:4721
2479699177158,17cyclictest0-21swapper/2810:07:4721
2480199176160,11cyclictest0-21swapper/3210:27:3826
2480199176160,11cyclictest0-21swapper/3210:27:3826
2479499176169,6cyclictest0-21swapper/2612:39:4619
2479499176169,6cyclictest0-21swapper/2612:39:4619
2479499176169,6cyclictest0-21swapper/2612:39:4619
2479499176153,21cyclictest0-21swapper/2612:25:1419
2479499176153,21cyclictest0-21swapper/2612:25:1419
2476799176169,4cyclictest0-21swapper/207:20:4112
2476799176169,4cyclictest0-21swapper/207:20:4112
2480199174164,8cyclictest22781-21sshd10:55:2926
2480199174164,8cyclictest22781-21sshd10:55:2926
2480199174161,10cyclictest0-21swapper/3211:09:1026
2480199174161,10cyclictest0-21swapper/3211:09:1026
2480199174161,10cyclictest0-21swapper/3211:09:0926
2480199174153,16cyclictest0-21swapper/3210:15:1826
2480199174153,16cyclictest0-21swapper/3210:15:1826
2479699174159,8cyclictest0-21swapper/2811:01:3421
2479699174159,8cyclictest0-21swapper/2811:01:3421
2479699174159,8cyclictest0-21swapper/2811:01:3421
2479699173163,9cyclictest0-21swapper/2810:03:1721
2479699173163,9cyclictest0-21swapper/2810:03:1721
2479699173163,9cyclictest0-21swapper/2810:03:1721
2479699173158,9cyclictest0-21swapper/2809:27:5921
2479699173158,9cyclictest0-21swapper/2809:27:5921
2480199172152,18cyclictest0-21swapper/3208:30:1726
2480199172152,18cyclictest0-21swapper/3208:30:1626
2480199172140,26cyclictest0-21swapper/3211:21:2926
2480199172140,26cyclictest0-21swapper/3211:21:2926
2476899172151,13cyclictest0-21swapper/310:44:4723
2476899172151,13cyclictest0-21swapper/310:44:4623
2480199171162,7cyclictest15920-21sshd09:57:4426
2480199171162,7cyclictest15920-21sshd09:57:4426
2479499171157,13cyclictest0-21swapper/2610:25:0419
2479499171157,13cyclictest0-21swapper/2610:25:0419
2479499171157,13cyclictest0-21swapper/2610:25:0419
2480199170152,16cyclictest0-21swapper/3210:30:2126
2480199170152,16cyclictest0-21swapper/3210:30:2126
2480199170145,23cyclictest0-21swapper/3211:17:2826
2480199170145,23cyclictest0-21swapper/3211:17:2826
2479699170159,5cyclictest0-21swapper/2810:25:2121
2479699170159,5cyclictest0-21swapper/2810:25:2021
2479699170156,12cyclictest0-21swapper/2811:52:2721
2479699170156,12cyclictest0-21swapper/2811:52:2621
2479699170156,12cyclictest0-21swapper/2811:52:2621
2479699169159,6cyclictest755-21systemd-journal10:42:3421
2479699169159,6cyclictest755-21systemd-journal10:42:3421
2480199168163,2cyclictest0-21swapper/3210:35:1626
2480199168163,2cyclictest0-21swapper/3210:35:1626
2480199168163,2cyclictest0-21swapper/3210:35:1526
2480199168142,16cyclictest0-21swapper/3210:22:4826
2480199168142,16cyclictest0-21swapper/3210:22:4726
2480199168142,16cyclictest0-21swapper/3210:22:4726
2479699168130,14cyclictest171rcu_preempt09:10:2621
2479699168130,14cyclictest171rcu_preempt09:10:2621
2479699168130,14cyclictest171rcu_preempt09:10:2621
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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