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2026-05-14 - 07:34
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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 Thu May 14, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101762199184,11sleep10-21swapper/119:08:441
100772195180,11sleep00-21swapper/019:07:250
99372183166,12sleep30-21swapper/319:05:413
99412174156,13sleep20-21swapper/219:05:442
120062460,0sleep00-21swapper/023:18:540
58232450,0sleep00-21swapper/023:31:090
4922450,0sleep30-21swapper/321:53:553
64572430,0sleep00-21swapper/000:03:590
284432120,1sleep228448-21unixbench_singl23:10:212
272362100,0sleep00-21swapper/022:22:300
4501290,0sleep10-21swapper/122:43:171
31668290,0sleep00-21swapper/023:12:190
26968290,0sleep00-21swapper/021:19:330
104329981,3cyclictest26353-21munin-run19:40:010
104329971,6cyclictest6162-21kworker/0:223:55:530
104459960,5cyclictest0-21swapper/323:00:123
104459960,5cyclictest0-21swapper/323:00:123
104409960,5cyclictest0-21swapper/220:25:012
104329962,4cyclictest6162-21kworker/0:223:53:050
104329962,4cyclictest6162-21kworker/0:223:09:410
104329962,4cyclictest6162-21kworker/0:222:45:170
104329962,4cyclictest6162-21kworker/0:222:44:330
104329962,4cyclictest6162-21kworker/0:222:29:320
104329962,4cyclictest6162-21kworker/0:221:58:210
104329962,4cyclictest4968-21kworker/0:019:20:170
104329961,5cyclictest6162-21kworker/0:200:15:170
104329961,5cyclictest6162-21kworker/0:200:05:130
104329960,3cyclictest6374-21perf20:05:010
27797250,4sleep20-21swapper/221:50:472
104459955,0cyclictest24223-21kworker/3:321:05:443
104459955,0cyclictest24223-21kworker/3:320:54:323
104459955,0cyclictest24223-21kworker/3:320:32:093
104459955,0cyclictest24223-21kworker/3:320:09:453
104459955,0cyclictest24223-21kworker/3:319:58:363
104459955,0cyclictest24223-21kworker/3:319:47:233
104459955,0cyclictest24223-21kworker/3:319:24:583
104459955,0cyclictest0-21swapper/323:23:533
104459952,3cyclictest24223-21kworker/3:323:42:293
104459950,5cyclictest0-21swapper/322:46:393
104459950,5cyclictest0-21swapper/322:34:423
104459950,5cyclictest0-21swapper/321:32:083
104459950,5cyclictest0-21swapper/320:45:173
104459950,5cyclictest0-21swapper/300:06:053
104459950,4cyclictest0-21swapper/320:20:023
104409955,0cyclictest0-21swapper/200:26:012
104409952,3cyclictest2424-21ssh23:30:092
104409950,0cyclictest0-21swapper/221:00:162
104369951,2cyclictest0-21swapper/123:40:111
104369951,2cyclictest0-21swapper/123:30:111
104369951,2cyclictest0-21swapper/121:50:101
104369951,2cyclictest0-21swapper/121:35:111
104369951,2cyclictest0-21swapper/100:35:111
104369950,5cyclictest0-21swapper/100:24:161
104329952,3cyclictest6162-21kworker/0:222:01:180
104329952,3cyclictest6162-21kworker/0:221:23:260
104329951,4cyclictest6162-21kworker/0:223:49:320
104329951,4cyclictest6162-21kworker/0:223:40:210
104329951,4cyclictest6162-21kworker/0:223:23:080
104329951,4cyclictest6162-21kworker/0:222:59:210
104329951,4cyclictest6162-21kworker/0:222:53:040
104329951,4cyclictest6162-21kworker/0:222:35:130
104329951,4cyclictest6162-21kworker/0:222:32:570
104329951,4cyclictest6162-21kworker/0:222:18:370
104329951,4cyclictest6162-21kworker/0:222:05:140
104329951,4cyclictest6162-21kworker/0:221:45:220
104329951,4cyclictest6162-21kworker/0:221:41:340
104329951,4cyclictest6162-21kworker/0:221:30:370
104329951,4cyclictest6162-21kworker/0:221:11:060
104329951,4cyclictest6162-21kworker/0:220:15:130
104329951,4cyclictest6162-21kworker/0:220:11:560
104329951,4cyclictest6162-21kworker/0:220:05:170
104329951,2cyclictest0-21swapper/000:20:110
104329950,5cyclictest0-21swapper/021:36:200
104329950,5cyclictest0-21swapper/000:10:320
104329950,2cyclictest22347-21perf23:40:000
782240,0sleep30-21swapper/323:29:203
18179240,0sleep10-21swapper/100:25:181
104459942,1cyclictest14552-21ssh21:45:053
104459940,4cyclictest6915-21diskmemload22:56:553
104459940,4cyclictest6915-21diskmemload22:21:293
104459940,4cyclictest6915-21diskmemload22:02:443
104459940,4cyclictest27907-21diskmemload00:14:443
104459940,4cyclictest21279-21ssh22:35:183
104459940,4cyclictest0-21swapper/323:55:133
104459940,4cyclictest0-21swapper/323:50:173
104459940,4cyclictest0-21swapper/323:45:123
104459940,4cyclictest0-21swapper/323:36:423
104459940,4cyclictest0-21swapper/323:34:513
104459940,4cyclictest0-21swapper/323:17:563
104459940,4cyclictest0-21swapper/322:10:083
104459940,4cyclictest0-21swapper/322:05:123
104459940,4cyclictest0-21swapper/321:37:013
104459940,4cyclictest0-21swapper/321:15:133
104459940,4cyclictest0-21swapper/320:03:583
104459940,4cyclictest0-21swapper/319:10:123
104459940,4cyclictest0-21swapper/300:21:083
104459940,3cyclictest5908-21ntp_states21:40:173
104459940,3cyclictest4172-21nfs4_client21:55:163
104459940,3cyclictest18728-21apt-get19:25:023
104459940,3cyclictest17610-21ntp_states23:05:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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