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2026-07-05 - 03:25
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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 rack6slot0.osadl.org (updated Sun Jul 05, 2026 01:01:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2919599199103,89cyclictest4407-21CPU15
2919599199103,89cyclictest4407-21CPU15
2919699195183,10cyclictest0-21swapper/2321:00:1516
2919699195183,10cyclictest0-21swapper/2321:00:1516
2917599192173,8cyclictest0-21swapper/521:37:0335
2917599192173,8cyclictest0-21swapper/521:37:0235
2918399187151,27cyclictest0-21swapper/1122:13:113
2918399187151,27cyclictest0-21swapper/1122:13:103
2917599183131,13cyclictest0-21swapper/521:41:0935
2917599183131,13cyclictest0-21swapper/521:41:0935
2921499180161,11cyclictest0-21swapper/3800:37:1932
2921499180161,11cyclictest0-21swapper/3800:37:1932
2919699178131,27cyclictest0-21swapper/2321:41:1016
2919699178131,27cyclictest0-21swapper/2321:41:1016
2918199178124,24cyclictest0-21swapper/922:47:1639
2918199178124,24cyclictest0-21swapper/922:47:1639
2918199178124,24cyclictest0-21swapper/922:47:1639
2917399178172,2cyclictest0-21swapper/323:50:3623
2917399178172,2cyclictest0-21swapper/323:50:3623
2920799177107,60cyclictest3543-21CPU25
2920799177107,60cyclictest3543-21CPU25
2919699177162,7cyclictest0-21swapper/2320:56:1116
2919699177162,7cyclictest0-21swapper/2320:56:1116
2917399177108,58cyclictest3609-21CPU23
2917399177108,58cyclictest3609-21CPU23
2921499176160,4cyclictest3609-21CPU32
2921499176160,4cyclictest3609-21CPU32
2919599175162,11cyclictest0-21swapper/2219:40:1715
2919599175143,17cyclictest0-21swapper/2220:15:1715
2919599175143,17cyclictest0-21swapper/2220:15:1715
2921499174155,10cyclictest0-21swapper/3822:26:5232
2921499174155,10cyclictest0-21swapper/3822:26:5132
2917599174159,13cyclictest0-21swapper/523:58:4635
2917599174159,13cyclictest0-21swapper/523:58:4635
2917599174159,13cyclictest0-21swapper/523:58:4635
2921499173162,8cyclictest0-21swapper/3800:01:0632
2921499173162,8cyclictest0-21swapper/3800:01:0632
2919699173158,12cyclictest0-21swapper/2319:21:0116
2919699173158,12cyclictest0-21swapper/2319:21:0116
2918199173108,57cyclictest37354-21CPU39
2918199173108,57cyclictest37354-21CPU39
2917399173166,5cyclictest0-21swapper/321:43:1423
2917399173166,5cyclictest0-21swapper/321:43:1423
2921499172139,24cyclictest0-21swapper/3800:34:2532
2921499172139,24cyclictest0-21swapper/3800:34:2432
2920799172161,8cyclictest0-21swapper/3100:12:2525
2920799172161,8cyclictest0-21swapper/3100:12:2425
29198991711,166cyclictest17483-21nfsd20:31:4518
2919699171111,49cyclictest3610-21CPU16
2919699171111,49cyclictest3610-21CPU16
2918199171124,35cyclictest3547-21CPU39
2918199171124,35cyclictest3547-21CPU39
2917399171130,26cyclictest0-21swapper/323:11:4323
2917399171130,26cyclictest0-21swapper/323:11:4323
2920799170156,4cyclictest0-21swapper/3123:33:5025
2920799170156,4cyclictest0-21swapper/3123:33:4925
2920799170121,45cyclictest3541-21CPU25
2920799170121,45cyclictest3541-21CPU25
2921499169159,7cyclictest0-21swapper/3819:25:1532
2921499169159,7cyclictest0-21swapper/3819:25:1532
2919599169148,11cyclictest0-21swapper/2200:23:3315
2919599169148,11cyclictest0-21swapper/2200:23:3315
2919599169148,11cyclictest0-21swapper/2200:23:3315
291739916999,61cyclictest37351-21CPU23
291739916999,61cyclictest37351-21CPU23
2917199169159,5cyclictest0-21swapper/123:12:451
2917199169159,5cyclictest0-21swapper/123:12:441
2920799168161,6cyclictest0-21swapper/3121:51:3925
2920799168161,6cyclictest0-21swapper/3121:51:3925
29183991682,163cyclictest4408-21CPU3
29183991682,163cyclictest4408-21CPU3
2918399168124,33cyclictest0-21swapper/1100:29:163
2918399168124,33cyclictest0-21swapper/1100:29:153
2921499167147,15cyclictest0-21swapper/3823:13:4932
2921499167147,15cyclictest0-21swapper/3823:13:4832
2919699167158,6cyclictest0-21swapper/2322:12:1716
2919699167158,6cyclictest0-21swapper/2322:12:1716
29187991672,5cyclictest4408-21CPU7
29187991672,5cyclictest4408-21CPU7
2918799167131,30cyclictest0-21swapper/1500:12:507
2918799167131,30cyclictest0-21swapper/1500:12:497
2921499166155,7cyclictest0-21swapper/3820:35:1532
292129916617,144cyclictest0-21swapper/3600:10:2030
292129916617,144cyclictest0-21swapper/3600:10:2030
2920899166127,31cyclictest0-21swapper/3223:06:0326
2920899166127,31cyclictest0-21swapper/3223:06:0226
2920899166127,31cyclictest0-21swapper/3223:06:0226
29183991661,95cyclictest0-21swapper/1100:20:153
29183991661,95cyclictest0-21swapper/1100:20:143
29183991661,95cyclictest0-21swapper/1100:20:143
2918399166135,26cyclictest0-21swapper/1121:48:313
2918399166135,26cyclictest0-21swapper/1121:48:313
2918399166135,26cyclictest0-21swapper/1121:48:313
2918399166134,23cyclictest0-21swapper/1121:25:383
2918399166134,23cyclictest0-21swapper/1121:25:383
2918199166140,9cyclictest171rcu_preempt22:02:5139
2918199166140,9cyclictest171rcu_preempt22:02:5139
2917599166146,13cyclictest0-21swapper/521:52:4435
2917599166146,13cyclictest0-21swapper/521:52:4435
2919699165151,8cyclictest0-21swapper/2323:58:1116
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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