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2026-07-04 - 02:45
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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 Jul 04, 2026 01:01:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1890799250245,3cyclictest0-21swapper/819:50:1638
1890799250245,3cyclictest0-21swapper/819:50:1638
1890099230223,5cyclictest0-21swapper/323:00:1223
1890099230223,5cyclictest0-21swapper/323:00:1223
1890399217192,6cyclictest0-21swapper/522:42:5835
1890399217192,6cyclictest0-21swapper/522:42:5835
1890399217192,6cyclictest0-21swapper/522:42:5735
1893699216204,10cyclictest37257-21qemu-system-x8623:20:1227
1893699216204,10cyclictest37257-21qemu-system-x8623:20:1127
1890399216193,4cyclictest0-21swapper/500:25:5235
1890399216193,4cyclictest0-21swapper/500:25:5235
1890099216207,7cyclictest0-21swapper/322:20:4523
1890099216207,7cyclictest0-21swapper/322:20:4523
1890099216204,10cyclictest0-21swapper/300:34:2723
1890099216204,10cyclictest0-21swapper/300:34:2723
1894199215199,10cyclictest0-21swapper/3722:06:1931
1894199215199,10cyclictest0-21swapper/3722:06:1931
1890099215202,11cyclictest0-21swapper/323:47:2023
1890099215202,11cyclictest0-21swapper/323:47:2023
1890099215200,13cyclictest0-21swapper/323:15:2523
1890099215200,13cyclictest0-21swapper/323:15:2523
1892899214205,7cyclictest0-21swapper/2621:14:4719
1892899214205,7cyclictest0-21swapper/2621:14:4719
1892899214205,7cyclictest0-21swapper/2621:14:4719
1892599214187,25cyclictest0-21swapper/2423:46:3617
1892599214187,25cyclictest0-21swapper/2423:46:3617
1890099214206,6cyclictest0-21swapper/300:20:0123
1890099214206,6cyclictest0-21swapper/300:20:0123
1890099214205,7cyclictest0-21swapper/300:20:5823
1890099214205,7cyclictest0-21swapper/300:20:5823
1890099213200,10cyclictest0-21swapper/322:09:0723
1890099213200,10cyclictest0-21swapper/322:09:0723
1890099211204,5cyclictest0-21swapper/300:06:3323
1890099211204,5cyclictest0-21swapper/300:06:3323
1890099211199,10cyclictest0-21swapper/300:25:1923
1890099211199,10cyclictest0-21swapper/300:25:1923
1890099210203,5cyclictest0-21swapper/323:12:4623
1890099210203,5cyclictest0-21swapper/323:12:4623
1890099210198,8cyclictest0-21swapper/322:03:3223
1890099210198,8cyclictest0-21swapper/322:03:3223
1890099210198,8cyclictest0-21swapper/322:03:3223
1892599209201,5cyclictest0-21swapper/2422:45:4317
1892599209201,5cyclictest0-21swapper/2422:45:4317
1892599209201,5cyclictest0-21swapper/2422:45:4317
1890099209205,2cyclictest0-21swapper/322:29:3723
1890099209205,2cyclictest0-21swapper/322:29:3723
1890099209205,2cyclictest0-21swapper/322:29:3723
1890099209204,4cyclictest0-21swapper/323:58:3723
1890099209204,4cyclictest0-21swapper/323:58:3723
1890099209204,4cyclictest0-21swapper/323:58:3623
1890099208201,5cyclictest0-21swapper/300:10:1123
1890099208201,5cyclictest0-21swapper/300:10:1123
1891699207197,8cyclictest0-21swapper/1723:19:289
1891699207197,8cyclictest0-21swapper/1723:19:289
1890399207186,12cyclictest171rcu_preempt21:13:5335
1890399207186,12cyclictest171rcu_preempt21:13:5335
1890399207186,12cyclictest171rcu_preempt21:13:5335
1892899205195,8cyclictest0-21swapper/2622:52:4819
1892899205195,8cyclictest0-21swapper/2622:52:4819
1890099205198,5cyclictest0-21swapper/323:08:0423
1890099205198,5cyclictest0-21swapper/323:08:0423
1890099205197,6cyclictest0-21swapper/322:45:5523
1890099205197,6cyclictest0-21swapper/322:45:5523
1890099205197,6cyclictest0-21swapper/322:45:5523
1890099205197,6cyclictest0-21swapper/321:40:2923
1890099205197,6cyclictest0-21swapper/321:40:2923
1890099205196,7cyclictest0-21swapper/321:24:2023
1890099205196,7cyclictest0-21swapper/321:24:2023
1890099205194,9cyclictest0-21swapper/322:56:2423
1890099205194,9cyclictest0-21swapper/322:56:2423
1890099204198,5cyclictest0-21swapper/322:12:5923
1890099204198,5cyclictest0-21swapper/322:12:5923
1890099204197,5cyclictest0-21swapper/300:35:2023
1890099204197,5cyclictest0-21swapper/300:35:2023
1892599203192,8cyclictest2454-21CPU17
1892599203192,8cyclictest2454-21CPU17
1892599203174,26cyclictest2466-21CPU17
1892599203174,26cyclictest2466-21CPU17
1890099203196,5cyclictest2327-21qemu-system-x8622:43:2423
1890099203196,5cyclictest2327-21qemu-system-x8622:43:2423
1890099203196,5cyclictest2327-21qemu-system-x8622:43:2423
1890099203196,4cyclictest0-21swapper/323:44:1323
1890099203196,4cyclictest0-21swapper/323:44:1323
1890099203196,4cyclictest0-21swapper/323:44:1223
1890099203188,12cyclictest0-21swapper/322:17:4723
1890099203188,12cyclictest0-21swapper/322:17:4723
1890099203186,15cyclictest0-21swapper/321:29:0723
1890099203186,15cyclictest0-21swapper/321:29:0723
1893099202191,6cyclictest0-21swapper/2721:52:0120
1893099202191,6cyclictest0-21swapper/2721:52:0120
1892599202176,16cyclictest0-21swapper/2419:41:0617
1891899202181,11cyclictest0-21swapper/1821:23:2810
1891899202181,11cyclictest0-21swapper/1821:23:2810
1890099202196,4cyclictest0-21swapper/323:37:4823
1890099202196,4cyclictest0-21swapper/323:37:4823
1890099202194,5cyclictest0-21swapper/300:01:0423
1890099202194,5cyclictest0-21swapper/300:01:0423
1890099202193,6cyclictest0-21swapper/321:10:5323
1890099202193,6cyclictest0-21swapper/321:10:5323
1890099202193,6cyclictest0-21swapper/321:10:5223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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