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2026-04-28 - 20:57
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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 Tue Apr 28, 2026 13:03:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1937899196174,11cyclictest0-21swapper/1409:41:206
1937899196174,11cyclictest0-21swapper/1409:41:206
1936799185124,58cyclictest0-21swapper/410:20:1334
1936799185124,58cyclictest0-21swapper/410:20:1334
1936799185124,58cyclictest0-21swapper/410:20:1234
1940299184168,8cyclictest0-21swapper/3409:50:5828
1940299184168,8cyclictest0-21swapper/3409:50:5728
1940399179143,27cyclictest3544-21CPU29
1940399179143,27cyclictest3544-21CPU29
1940299178157,19cyclictest739-21systemd09:35:0028
1940299178157,19cyclictest739-21systemd09:34:5928
1940299178157,19cyclictest739-21systemd09:34:5928
1938899178139,17cyclictest0-21swapper/2109:56:4814
1938899178139,17cyclictest0-21swapper/2109:56:4714
1937899178163,9cyclictest0-21swapper/1412:06:556
1937899178163,9cyclictest0-21swapper/1412:06:546
1937899178163,9cyclictest0-21swapper/1412:06:546
1940299177172,4cyclictest0-21swapper/3409:25:4028
1940299177172,4cyclictest0-21swapper/3409:25:4028
1940299177172,4cyclictest0-21swapper/3409:25:3928
1938899177136,19cyclictest0-21swapper/2111:19:3614
1938899177136,19cyclictest0-21swapper/2111:19:3514
1940299176167,7cyclictest0-21swapper/3407:50:1628
1940299176167,7cyclictest0-21swapper/3407:50:1528
1938899176167,5cyclictest0-21swapper/2110:11:3214
1938899176167,5cyclictest0-21swapper/2110:11:3114
1938299176154,12cyclictest0-21swapper/1711:58:299
1938299176154,12cyclictest0-21swapper/1711:58:289
1938299176154,12cyclictest0-21swapper/1711:58:289
193959917516,83cyclictest0-21swapper/2810:45:2021
193959917516,83cyclictest0-21swapper/2810:45:2021
1940399174166,7cyclictest0-21swapper/3512:32:4429
1940399174166,7cyclictest0-21swapper/3512:32:4429
1940399174166,7cyclictest0-21swapper/3512:32:4329
1937199174168,4cyclictest0-21swapper/812:16:0838
1937199174168,4cyclictest0-21swapper/812:16:0738
1937199174168,4cyclictest0-21swapper/812:16:0738
1940299173159,8cyclictest0-21swapper/3409:18:3928
1940299173159,8cyclictest0-21swapper/3409:18:3828
1940299173151,18cyclictest0-21swapper/3412:23:1928
1940299173151,18cyclictest0-21swapper/3412:23:1828
1940299173151,18cyclictest0-21swapper/3412:23:1828
1938899173125,20cyclictest0-21swapper/2108:33:5714
1938899173125,20cyclictest0-21swapper/2108:33:5614
1937699172164,4cyclictest37264-21CPU4
1937699172164,4cyclictest37264-21CPU4
193729917214,148cyclictest0-21swapper/911:11:0339
193729917214,148cyclictest0-21swapper/911:11:0239
193729917214,148cyclictest0-21swapper/911:11:0239
1938899170148,11cyclictest0-21swapper/2109:35:0014
1938899170148,11cyclictest0-21swapper/2109:35:0014
1938899170148,11cyclictest0-21swapper/2109:35:0014
1937899170152,10cyclictest0-21swapper/1409:48:386
1937899170152,10cyclictest0-21swapper/1409:48:386
1937899170152,10cyclictest0-21swapper/1409:48:386
1940299169157,9cyclictest0-21swapper/3409:55:2928
1940299169157,9cyclictest0-21swapper/3409:55:2928
1937899169152,14cyclictest0-21swapper/1410:26:036
1937899169152,14cyclictest0-21swapper/1410:26:036
1937899169152,14cyclictest0-21swapper/1410:26:026
1940399168150,10cyclictest0-21swapper/3509:05:4629
1940399168150,10cyclictest0-21swapper/3509:05:4629
1940399168150,10cyclictest0-21swapper/3509:05:4529
1940299168156,2cyclictest0-21swapper/3410:04:1428
1940299168156,2cyclictest0-21swapper/3410:04:1428
1940299168156,2cyclictest0-21swapper/3410:04:1428
1940299168156,2cyclictest0-21swapper/3410:04:1328
1940299168144,16cyclictest0-21swapper/3409:43:4828
1940299168144,16cyclictest0-21swapper/3409:43:4728
1938899168150,3cyclictest0-21swapper/2109:13:5314
1938899168150,3cyclictest0-21swapper/2109:13:5314
1937899168154,6cyclictest0-21swapper/1407:15:536
1940399167158,8cyclictest0-21swapper/3509:52:3729
1940399167158,8cyclictest0-21swapper/3509:52:3729
1940099167159,7cyclictest0-21swapper/3211:14:3026
1940099167159,7cyclictest0-21swapper/3211:14:3026
1940099167159,7cyclictest0-21swapper/3211:14:2926
193899916722,139cyclictest1430-21polkitd11:35:2015
193899916722,139cyclictest1430-21polkitd11:35:2015
193899916722,139cyclictest1430-21polkitd11:35:2015
1940899166154,7cyclictest0-21swapper/3810:38:3532
1940899166154,7cyclictest0-21swapper/3810:38:3532
1940299165159,5cyclictest0-21swapper/3410:10:5028
1940299165159,5cyclictest0-21swapper/3410:10:5028
1940299165142,17cyclictest0-21swapper/3409:20:1228
1940299165142,17cyclictest0-21swapper/3409:20:1228
1940199165159,4cyclictest0-21swapper/3310:35:1227
1940199165159,4cyclictest0-21swapper/3310:35:1227
1940099165160,3cyclictest0-21swapper/3211:35:1726
1940099165160,3cyclictest0-21swapper/3211:35:1626
1940099165160,3cyclictest0-21swapper/3211:35:1626
1937899165140,10cyclictest0-21swapper/1410:02:346
1937899165140,10cyclictest0-21swapper/1410:02:336
1937899165140,10cyclictest0-21swapper/1410:02:336
1937899165140,10cyclictest0-21swapper/1410:02:336
1937699165156,4cyclictest0-21swapper/1209:51:154
1937699165156,4cyclictest0-21swapper/1209:51:144
1940299164147,9cyclictest0-21swapper/3412:06:5528
1940299164147,9cyclictest0-21swapper/3412:06:5428
1940299164147,9cyclictest0-21swapper/3412:06:5428
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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