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2026-04-03 - 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 Fri Apr 03, 2026 01:02:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1538399258253,2cyclictest0-21swapper/3121:20:1525
1538399258253,2cyclictest0-21swapper/3121:20:1525
1538399258253,2cyclictest0-21swapper/3121:20:1525
1537299195161,32cyclictest0-21swapper/2121:05:0214
1537299195161,32cyclictest0-21swapper/2121:05:0214
15357991941,92cyclictest0-21swapper/1022:40:192
15357991941,92cyclictest0-21swapper/1022:40:192
1535199193140,39cyclictest0-21swapper/419:47:5434
1535199193140,39cyclictest0-21swapper/419:47:5434
1534899192185,5cyclictest0-21swapper/123:56:401
1534899192185,5cyclictest0-21swapper/123:56:401
1534899192185,5cyclictest0-21swapper/123:56:391
1534899188179,4cyclictest3548-21CPU1
1534899188179,4cyclictest3548-21CPU1
1534899188179,4cyclictest3548-21CPU1
1537299187139,33cyclictest0-21swapper/2100:24:2314
1537299187139,33cyclictest0-21swapper/2100:24:2314
15373991842,7cyclictest3609-21CPU15
15373991842,7cyclictest3609-21CPU15
15373991842,7cyclictest3609-21CPU15
1534899184178,4cyclictest0-21swapper/123:26:441
1534899184178,4cyclictest0-21swapper/123:26:441
1534899183175,5cyclictest0-21swapper/100:18:221
1534899183175,5cyclictest0-21swapper/100:18:221
1534899183175,5cyclictest0-21swapper/100:18:211
1537799182114,65cyclictest0-21swapper/2621:58:4119
1537799182114,65cyclictest0-21swapper/2621:58:4119
1537799182114,65cyclictest0-21swapper/2621:58:4019
1534899181165,14cyclictest0-21swapper/123:46:501
1534899181165,14cyclictest0-21swapper/123:46:501
1538999180176,3cyclictest0-21swapper/3621:30:1930
1538999180176,3cyclictest0-21swapper/3621:30:1930
1535799180139,33cyclictest0-21swapper/1023:42:392
1535799180139,33cyclictest0-21swapper/1023:42:392
1535799180139,33cyclictest0-21swapper/1023:42:392
1537799179146,27cyclictest0-21swapper/2623:22:5919
1537799179146,27cyclictest0-21swapper/2623:22:5919
1537799179146,27cyclictest0-21swapper/2623:22:5919
1537299179119,52cyclictest0-21swapper/2123:25:5614
1537299179119,52cyclictest0-21swapper/2123:25:5614
1534899179173,4cyclictest0-21swapper/121:42:061
1534899179173,4cyclictest0-21swapper/121:42:061
1534899179173,4cyclictest0-21swapper/121:42:051
1534899179169,7cyclictest755-21systemd-journal21:26:421
1534899179169,7cyclictest755-21systemd-journal21:26:421
1534899179168,9cyclictest0-21swapper/121:16:361
1534899179168,9cyclictest0-21swapper/121:16:361
1537299178153,22cyclictest0-21swapper/2123:05:0314
1537299178153,22cyclictest0-21swapper/2123:05:0314
1534899177171,4cyclictest0-21swapper/122:37:091
1534899177171,4cyclictest0-21swapper/122:37:091
1534899177170,5cyclictest0-21swapper/100:25:361
1534899177170,5cyclictest0-21swapper/100:25:361
1534899177169,7cyclictest0-21swapper/121:10:281
1534899177169,7cyclictest0-21swapper/121:10:281
1534899175168,5cyclictest0-21swapper/123:12:001
1534899175168,5cyclictest0-21swapper/123:12:001
1534899175168,5cyclictest0-21swapper/123:12:001
1534899175165,8cyclictest0-21swapper/121:51:441
1534899175165,8cyclictest0-21swapper/121:51:441
1534899174165,7cyclictest4398-21qemu-system-x8623:15:151
1534899174165,7cyclictest4398-21qemu-system-x8623:15:151
15357991731,87cyclictest0-21swapper/1022:30:152
15357991731,87cyclictest0-21swapper/1022:30:152
1535799173101,57cyclictest3544-21CPU2
1535799173101,57cyclictest3544-21CPU2
153559917398,67cyclictest3609-21CPU38
153559917398,67cyclictest3609-21CPU38
15351991731,167cyclictest0-21swapper/422:00:0134
15351991731,167cyclictest0-21swapper/422:00:0134
15351991731,167cyclictest0-21swapper/422:00:0034
1539199172160,10cyclictest0-21swapper/3721:43:4331
1539199172160,10cyclictest0-21swapper/3721:43:4331
1539199172160,10cyclictest0-21swapper/3721:43:4331
15377991721,161cyclictest0-21swapper/2600:15:1819
15377991721,161cyclictest0-21swapper/2600:15:1819
15377991721,161cyclictest0-21swapper/2600:15:1819
1534899172164,6cyclictest0-21swapper/121:55:171
1534899172164,6cyclictest0-21swapper/121:55:171
1534899172164,6cyclictest0-21swapper/121:55:171
153729917177,88cyclictest0-21swapper/2100:02:3314
153729917177,88cyclictest0-21swapper/2100:02:3314
153729917177,88cyclictest0-21swapper/2100:02:3314
1535799171132,32cyclictest0-21swapper/1022:49:122
1535799171132,32cyclictest0-21swapper/1022:49:122
1535799171132,32cyclictest0-21swapper/1022:49:122
1534899171166,4cyclictest0-21swapper/100:07:041
1534899171166,4cyclictest0-21swapper/100:07:041
1534899171161,3cyclictest0-21swapper/122:25:161
1534899171161,3cyclictest0-21swapper/122:25:161
1534899171159,11cyclictest0-21swapper/122:19:421
1534899171159,11cyclictest0-21swapper/122:19:421
1534899171159,11cyclictest0-21swapper/122:19:421
1537799170131,35cyclictest0-21swapper/2623:15:2519
1537799170131,35cyclictest0-21swapper/2623:15:2519
1537299170125,41cyclictest0-21swapper/2121:49:1914
1537299170125,41cyclictest0-21swapper/2121:49:1914
1537299170111,49cyclictest0-21swapper/2122:58:4714
1537299170111,49cyclictest0-21swapper/2122:58:4614
153579917090,69cyclictest0-21swapper/1022:20:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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