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2025-12-15 - 08:45
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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 50 highest latencies:
System rack7slot0.osadl.org (updated Mon Dec 15, 2025 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120650670,0irq/26-eth1-rx-0-21swapper/319:08:313
112750650,0irq/25-eth00-21swapper/119:08:311
2103124721,0sleep20-21swapper/219:09:522
2067624324,0sleep00-21swapper/019:05:290
2111199150,0cyclictest0-21swapper/222:58:582
2111199150,0cyclictest0-21swapper/219:30:142
21110991413,0cyclictest13044-21diskmemload00:01:351
2110999142,0cyclictest2907-21sshd22:04:140
112750140,0irq/25-eth01639-21runrttasks23:03:360
9950130,0irq/24-0000:00:13044-21diskmemload23:06:160
21112991312,0cyclictest31153-21sshd23:16:053
21112991312,0cyclictest0-21swapper/319:30:153
21112991311,0cyclictest0-21swapper/323:37:063
21111991312,0cyclictest31707-21sshd23:54:312
21111991311,0cyclictest0-21swapper/221:18:222
21111991311,0cyclictest0-21swapper/200:29:562
21111991311,0cyclictest0-21swapper/200:02:112
112750130,0irq/25-eth00-21swapper/023:35:170
21112991211,0cyclictest0-21swapper/322:30:113
21112991211,0cyclictest0-21swapper/300:36:213
21112991210,0cyclictest0-21swapper/323:54:183
21112991210,0cyclictest0-21swapper/323:28:303
21112991210,0cyclictest0-21swapper/323:03:393
21112991210,0cyclictest0-21swapper/322:09:093
21112991210,0cyclictest0-21swapper/321:31:523
21112991210,0cyclictest0-21swapper/300:02:533
2111299120,0cyclictest0-21swapper/323:07:283
2111299120,0cyclictest0-21swapper/322:55:023
2111299120,0cyclictest0-21swapper/321:48:083
2111299120,0cyclictest0-21swapper/321:35:423
2111299120,0cyclictest0-21swapper/321:19:263
2111299120,0cyclictest0-21swapper/300:15:193
21111991211,0cyclictest9720-21bash00:37:362
21111991211,0cyclictest0-21swapper/200:10:452
21111991210,0cyclictest16037-21sshd00:22:152
21111991210,0cyclictest0-21swapper/222:23:332
21111991210,0cyclictest0-21swapper/222:15:522
21111991210,0cyclictest0-21swapper/221:37:322
21111991210,0cyclictest0-21swapper/220:10:462
21111991210,0cyclictest0-21swapper/200:18:262
2111199120,0cyclictest0-21swapper/222:31:122
2111199120,0cyclictest0-21swapper/219:55:192
21110991211,0cyclictest0-21swapper/121:55:331
21110991210,0cyclictest0-21swapper/100:20:591
2111099120,0cyclictest0-21swapper/122:51:461
2111099120,0cyclictest0-21swapper/121:31:161
21109991211,0cyclictest0-21swapper/022:32:000
21109991211,0cyclictest0-21swapper/000:26:590
21109991210,0cyclictest1480-21nfsd22:57:550
21109991210,0cyclictest0-21swapper/023:32:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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