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2026-04-28 - 10:59
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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 rack5slot2.osadl.org (updated Tue Apr 28, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313122209194,10sleep10-21swapper/119:09:481
310232191173,13sleep00-21swapper/019:06:060
291072183167,11sleep30-21swapper/319:05:083
31318210385,14sleep20-21swapper/219:09:532
159682480,0sleep20-21swapper/200:14:452
228092470,0sleep10-21swapper/121:55:051
228092470,0sleep10-21swapper/121:55:051
88332450,0sleep10-21swapper/122:03:581
136322450,0sleep30-21swapper/322:37:473
114682440,0sleep00-21swapper/000:12:000
88822430,0sleep30-21swapper/321:16:123
313952410,0sleep10-21swapper/123:02:151
3150499102,4cyclictest7125-21munin-run20:30:000
152492100,1sleep23151399cyclictest23:58:052
315049991,4cyclictest205-21systemd-journal20:05:000
6454270,0sleep20-21swapper/222:02:312
315049972,5cyclictest13661-21kworker/0:123:52:010
315049972,5cyclictest13661-21kworker/0:123:48:210
315049972,5cyclictest13661-21kworker/0:123:39:200
315049972,5cyclictest13661-21kworker/0:123:28:490
315049972,5cyclictest13661-21kworker/0:123:20:570
315049972,5cyclictest13661-21kworker/0:122:53:530
315049972,5cyclictest13661-21kworker/0:122:45:490
315049972,5cyclictest13661-21kworker/0:122:40:080
315049972,5cyclictest13661-21kworker/0:122:28:010
315049972,5cyclictest13661-21kworker/0:122:17:170
315049972,5cyclictest13661-21kworker/0:122:07:370
315049972,5cyclictest13661-21kworker/0:121:27:300
315049972,5cyclictest13661-21kworker/0:121:23:060
315049972,5cyclictest13661-21kworker/0:121:15:180
315049972,5cyclictest13661-21kworker/0:121:10:380
315049972,5cyclictest13661-21kworker/0:100:35:530
315049971,6cyclictest13661-21kworker/0:100:34:290
315189960,5cyclictest32671-21apt-get23:35:013
315189960,5cyclictest0-21swapper/322:10:113
315049962,4cyclictest13661-21kworker/0:123:16:050
315049962,4cyclictest13661-21kworker/0:123:10:570
315049962,4cyclictest13661-21kworker/0:123:00:490
315049962,4cyclictest13661-21kworker/0:122:35:370
315049962,4cyclictest13661-21kworker/0:121:48:330
315049962,4cyclictest13661-21kworker/0:120:09:210
315049962,4cyclictest13661-21kworker/0:119:19:130
315049962,4cyclictest13661-21kworker/0:100:25:000
315049962,4cyclictest13661-21kworker/0:100:20:010
315049962,4cyclictest13661-21kworker/0:100:05:570
315049961,5cyclictest13661-21kworker/0:123:57:290
315049961,5cyclictest13661-21kworker/0:123:41:050
315049961,5cyclictest13661-21kworker/0:123:32:450
315049961,5cyclictest13661-21kworker/0:123:06:240
315049961,5cyclictest13661-21kworker/0:122:31:050
315049961,5cyclictest13661-21kworker/0:122:21:130
315049961,5cyclictest13661-21kworker/0:122:10:250
315049961,5cyclictest13661-21kworker/0:122:01:410
315049961,5cyclictest13661-21kworker/0:121:55:450
315049961,5cyclictest13661-21kworker/0:121:55:450
315049961,5cyclictest13661-21kworker/0:121:51:130
315049961,5cyclictest13661-21kworker/0:121:40:450
315049961,5cyclictest13661-21kworker/0:121:35:020
315049961,5cyclictest13661-21kworker/0:121:31:300
315049961,5cyclictest13661-21kworker/0:119:35:010
315049961,5cyclictest13661-21kworker/0:100:16:090
315049961,5cyclictest13661-21kworker/0:100:00:090
21529260,0sleep10-21swapper/122:41:211
8274250,0sleep20-21swapper/221:47:382
5839250,0sleep10-21swapper/123:21:171
315189950,5cyclictest0-21swapper/323:57:243
315189950,5cyclictest0-21swapper/300:32:453
315189950,0cyclictest0-21swapper/323:17:403
315139955,0cyclictest0-21swapper/221:23:232
315139955,0cyclictest0-21swapper/219:30:022
315139952,2cyclictest12063-21if_eth022:05:152
315139950,5cyclictest0-21swapper/223:48:272
315139950,5cyclictest0-21swapper/221:40:512
315139950,5cyclictest0-21swapper/221:32:072
315139950,5cyclictest0-21swapper/200:29:122
315099951,3cyclictest0-21swapper/122:25:111
315099951,2cyclictest0-21swapper/121:50:131
315099951,2cyclictest0-21swapper/100:35:111
315099950,5cyclictest0-21swapper/121:30:431
315099950,5cyclictest0-21swapper/121:21:591
315049951,4cyclictest13661-21kworker/0:122:55:450
315049951,4cyclictest13661-21kworker/0:120:54:290
315049951,4cyclictest13661-21kworker/0:120:35:210
315049951,4cyclictest13661-21kworker/0:120:24:250
315049951,4cyclictest13661-21kworker/0:119:30:210
315049951,4cyclictest13661-21kworker/0:119:25:210
315049951,4cyclictest13661-21kworker/0:119:14:130
315189944,0cyclictest0-21swapper/323:32:133
315189943,1cyclictest15405-21memory21:35:163
315189942,1cyclictest4713-21ssh23:52:503
315189940,4cyclictest23912-21apt-get21:40:023
315189940,4cyclictest0-21swapper/323:40:113
315189940,4cyclictest0-21swapper/323:29:313
315189940,4cyclictest0-21swapper/323:20:113
315189940,4cyclictest0-21swapper/323:05:013
315189940,4cyclictest0-21swapper/323:00:123
315189940,4cyclictest0-21swapper/322:45:283
315189940,4cyclictest0-21swapper/322:32:253
315189940,4cyclictest0-21swapper/322:25:353
315189940,4cyclictest0-21swapper/321:50:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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