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2025-12-27 - 18:39
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot8.osadl.org (updated Sat Dec 27, 2025 12:48:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199619918027,152cyclictest0-21swapper/1010:40:132
200159917417,148cyclictest0-21swapper/2010:00:2413
200159917317,132cyclictest0-21swapper/2012:10:0213
200159917317,132cyclictest0-21swapper/2012:10:0113
199919916943,84cyclictest0-21swapper/1611:45:028
199919916943,84cyclictest0-21swapper/1611:45:028
199919916555,91cyclictest0-21swapper/1610:08:478
199919916544,91cyclictest0-21swapper/1611:16:088
199919916544,91cyclictest0-21swapper/1611:16:078
20042991560,92cyclictest0-21swapper/2508:30:5418
199919915233,73cyclictest0-21swapper/1612:25:018
199919915233,73cyclictest0-21swapper/1612:25:008
19961991510,90cyclictest0-21swapper/1008:10:362
20042991480,86cyclictest0-21swapper/2509:25:3918
20042991471,85cyclictest0-21swapper/2509:53:2718
19961991460,88cyclictest0-21swapper/1012:22:492
19961991460,88cyclictest0-21swapper/1012:22:492
199459914667,25cyclictest151rcu_preempt09:42:2628
20042991451,88cyclictest0-21swapper/2510:50:0518
20042991450,86cyclictest0-21swapper/2511:38:4418
20042991450,86cyclictest0-21swapper/2511:38:4318
199919914552,20cyclictest0-21swapper/1609:40:158
20042991440,87cyclictest0-21swapper/2509:56:0618
20042991440,85cyclictest0-21swapper/2508:08:4318
20042991430,86cyclictest0-21swapper/2509:41:0918
20042991430,84cyclictest0-21swapper/2508:16:0218
199459914360,29cyclictest151rcu_preempt10:07:0128
20042991420,84cyclictest0-21swapper/2510:03:0418
20042991410,85cyclictest0-21swapper/2510:15:2118
200429914053,55cyclictest0-21swapper/2511:33:2318
200429914053,55cyclictest0-21swapper/2511:33:2218
20042991400,85cyclictest0-21swapper/2510:37:4918
20042991400,84cyclictest0-21swapper/2510:23:5418
20042991400,83cyclictest0-21swapper/2512:01:4318
20042991400,83cyclictest0-21swapper/2512:01:4218
20042991400,83cyclictest0-21swapper/2510:25:3118
199619914027,112cyclictest0-21swapper/1011:52:232
199619914027,112cyclictest0-21swapper/1011:52:222
200429913947,58cyclictest0-21swapper/2512:07:0318
200429913947,58cyclictest0-21swapper/2512:07:0218
20042991390,83cyclictest0-21swapper/2508:25:1618
199619913940,65cyclictest0-21swapper/1009:20:042
20042991380,85cyclictest0-21swapper/2511:43:3318
20042991380,85cyclictest0-21swapper/2511:43:3218
20042991380,83cyclictest0-21swapper/2511:26:5818
20042991380,83cyclictest0-21swapper/2511:26:5718
20042991380,83cyclictest0-21swapper/2511:12:0118
20042991380,83cyclictest0-21swapper/2511:12:0018
199539913826,81cyclictest151rcu_preempt07:30:1830
20042991370,86cyclictest0-21swapper/2511:23:4618
20042991370,86cyclictest0-21swapper/2511:23:4518
20042991370,86cyclictest0-21swapper/2509:32:0418
20042991370,85cyclictest0-21swapper/2512:23:5618
20042991370,85cyclictest0-21swapper/2512:23:5518
20042991370,82cyclictest0-21swapper/2511:17:2118
20042991370,82cyclictest0-21swapper/2511:17:2018
20042991370,81cyclictest0-21swapper/2509:47:3318
199919913718,97cyclictest0-21swapper/1611:21:178
199919913718,97cyclictest0-21swapper/1611:21:178
200429913530,66cyclictest0-21swapper/2508:20:2918
200429913528,65cyclictest0-21swapper/2508:04:2618
20042991351,82cyclictest0-21swapper/2512:29:2918
20042991351,82cyclictest0-21swapper/2512:29:2918
20042991350,84cyclictest0-21swapper/2511:09:5118
20042991350,83cyclictest0-21swapper/2511:54:4518
20042991350,83cyclictest0-21swapper/2511:54:4518
19945991350,85cyclictest0-21swapper/608:30:1928
200429913430,66cyclictest0-21swapper/2510:31:5518
200429913427,68cyclictest0-21swapper/2507:40:2418
20042991340,82cyclictest0-21swapper/2510:47:5818
20042991340,79cyclictest0-21swapper/2510:05:1218
199619913448,55cyclictest0-21swapper/1009:45:422
199919913345,52cyclictest0-21swapper/1610:20:528
199919913322,49cyclictest0-21swapper/1607:48:508
200429913222,72cyclictest0-21swapper/2511:00:0018
20042991320,82cyclictest0-21swapper/2511:56:5418
20042991320,82cyclictest0-21swapper/2511:56:5318
20065991310,84cyclictest0-21swapper/2911:25:5822
20065991310,84cyclictest0-21swapper/2911:25:5722
200529913146,58cyclictest0-21swapper/2711:55:2020
200529913146,58cyclictest0-21swapper/2711:55:1920
200429913138,60cyclictest0-21swapper/2512:33:4618
200429913129,67cyclictest0-21swapper/2512:39:3918
200429913126,70cyclictest0-21swapper/2509:10:4218
200429913116,76cyclictest0-21swapper/2512:16:0818
200429913116,76cyclictest0-21swapper/2512:16:0718
199919913150,61cyclictest0-21swapper/1612:32:228
199919913126,62cyclictest0-21swapper/1609:55:138
199619913127,57cyclictest0-21swapper/1008:45:192
19945991310,95cyclictest0-21swapper/610:15:1228
20042991300,80cyclictest0-21swapper/2509:37:2418
200159913050,56cyclictest0-21swapper/2012:12:4013
200159913050,56cyclictest0-21swapper/2012:12:4013
200159913017,77cyclictest0-21swapper/2009:18:5513
199919913045,59cyclictest0-21swapper/1609:16:118
199919913037,63cyclictest0-21swapper/1609:23:578
200429912926,62cyclictest0-21swapper/2511:48:5318
200429912926,62cyclictest0-21swapper/2511:48:5218
200429912921,77cyclictest0-21swapper/2509:24:3618
20042991290,77cyclictest0-21swapper/2508:14:5918
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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