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2024-07-16 - 08:11
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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 50 highest latencies:
System rack0slot7.osadl.org (updated Tue Jul 16, 2024 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27589672117115,1sleep130-21swapper/1319:09:595
7970201070,105pipewire0-21swapper/019:08:300
797020960,94pipewire0-21swapper/819:08:4414
797320830,81pipewire-pulse0-21swapper/519:06:3011
797020820,81pipewire0-21swapper/1219:06:574
797020770,76pipewire0-21swapper/1019:06:452
275882827730,45sleep140-21swapper/1419:08:406
797020760,74pipewire0-21swapper/619:05:1812
2759232997271,1cyclictest0-21swapper/023:05:470
275886626333,28sleep150-21swapper/1519:08:587
797020610,60pipewire0-21swapper/419:07:1910
2759275996159,1cyclictest2207214-1kworker/u33:223:39:233
275924399613,30cyclictest0-21swapper/323:05:489
2759289995757,0cyclictest0-21swapper/1521:23:387
2759232995453,1cyclictest0-21swapper/020:54:540
29379452530,1sleep12858316-21python20:02:391
2759262995351,2cyclictest21901-21IPC14
275883625229,1sleep30-21swapper/319:08:469
275928999500,8cyclictest0-21swapper/1519:46:497
275928999480,20cyclictest0-21swapper/1523:44:127
2759251994845,3cyclictest2906615-21evince19:53:3011
275928999470,18cyclictest0-21swapper/1522:02:217
2759281994747,0cyclictest2758640-1kworker/u33:019:53:305
275895924544,0sleep90-21swapper/919:09:5515
275928999440,15cyclictest0-21swapper/1522:58:337
275928999440,15cyclictest0-21swapper/1521:58:327
2759289994343,0cyclictest0-21swapper/1519:19:447
275928999420,13cyclictest0-21swapper/1521:42:327
2759275994242,0cyclictest7292-21Xorg23:05:473
275889624138,1sleep20-21swapper/219:09:178
143899410,0ntpd22873-21thunderbird21:54:120
2759289994040,0cyclictest0-21swapper/1523:05:487
275882523937,1sleep110-21swapper/1119:08:373
2759285993838,0cyclictest0-21swapper/1423:05:486
2759262993737,0cyclictest7292-21Xorg23:05:4714
275928999360,17cyclictest0-21swapper/1523:48:447
275862823534,0sleep70-21swapper/719:06:4113
275860123532,1sleep10-21swapper/119:06:191
2759277993332,1cyclictest2758640-1kworker/u33:019:32:184
2759275993229,1cyclictest8526-21gvfs-mtp-volume00:21:103
2759241993220,0cyclictest0-21swapper/220:50:018
275927599316,25cyclictest0-21swapper/1121:47:563
275927599316,25cyclictest0-21swapper/1100:32:403
275925699310,29cyclictest0-21swapper/619:10:4912
2759243993129,1cyclictest23024-21Renderer21:35:239
275928599305,0cyclictest0-21swapper/1423:25:296
2759259993030,0cyclictest56950irq/134-i91500:21:2413
2759251993030,0cyclictest0-21swapper/519:40:4411
2759241993030,0cyclictest0-21swapper/221:10:198
275923299300,29cyclictest0-21swapper/023:41:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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