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2025-04-26 - 10:07
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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 rackeslot2.osadl.org (updated Sat Apr 26, 2025 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35840062540,3sleep30-21swapper/322:40:003
35840062540,3sleep30-21swapper/322:40:003
36442812320,2sleep30-21swapper/323:20:163
33379412320,1sleep13337945-21grep19:30:261
25010913217,2phc2sys0-21swapper/300:16:133
25010912618,3phc2sys0-21swapper/322:00:023
25010912618,3phc2sys0-21swapper/322:00:023
25010912518,2phc2sys0-21swapper/323:42:023
25010912518,2phc2sys0-21swapper/323:01:423
25010912418,3phc2sys0-21swapper/321:23:543
25010912418,3phc2sys0-21swapper/300:32:463
25010912418,2phc2sys0-21swapper/323:53:243
25010912418,2phc2sys0-21swapper/323:53:233
25010912418,2phc2sys0-21swapper/323:33:523
25010912418,2phc2sys0-21swapper/322:32:483
25010912418,2phc2sys0-21swapper/322:18:583
25010912418,2phc2sys0-21swapper/321:51:163
25010912418,2phc2sys0-21swapper/321:39:463
25010912418,2phc2sys0-21swapper/321:31:203
25010912418,2phc2sys0-21swapper/321:29:443
25010912417,2phc2sys0-21swapper/323:55:333
25010912417,2phc2sys0-21swapper/300:36:573
360323122318,3sleep30-21swapper/322:52:073
343478122318,3sleep30-21swapper/321:00:173
3308997992320,2cyclictest1695-21dbus-daemon23:50:010
25010912318,3phc2sys0-21swapper/323:17:363
25010912318,3phc2sys0-21swapper/322:55:043
25010912318,3phc2sys0-21swapper/321:12:233
25010912317,3phc2sys0-21swapper/300:11:103
25010912317,2phc2sys0-21swapper/322:28:243
25010912317,2phc2sys0-21swapper/321:16:543
25010912317,2phc2sys0-21swapper/320:36:213
25010912317,2phc2sys0-21swapper/320:36:213
25010912317,2phc2sys0-21swapper/320:33:413
25010912317,2phc2sys0-21swapper/320:24:513
25010912317,2phc2sys0-21swapper/320:11:453
25010912317,2phc2sys0-21swapper/320:01:353
25010912317,2phc2sys0-21swapper/319:50:053
25010912317,2phc2sys0-21swapper/319:20:153
25010912317,2phc2sys0-21swapper/319:10:053
25010912317,2phc2sys0-21swapper/300:26:273
25010912317,2phc2sys0-21swapper/300:08:473
353013122218,2sleep30-21swapper/322:01:013
330899999221,15cyclictest0-21swapper/219:40:192
25010912217,3phc2sys0-21swapper/323:07:463
25010912217,3phc2sys0-21swapper/322:45:263
25010912217,3phc2sys0-21swapper/322:44:023
25010912217,3phc2sys0-21swapper/320:50:353
25010912217,3phc2sys0-21swapper/320:41:213
25010912217,3phc2sys0-21swapper/320:19:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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