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2025-05-02 - 12:43
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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 Fri May 02, 2025 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23278582350,3sleep30-21swapper/320:05:263
2257745992821,6cyclictest1-21systemd00:00:011
225774699271,9cyclictest0-21swapper/200:10:012
25010912518,2phc2sys0-21swapper/321:46:053
2257740992516,8cyclictest2240602-1atopacctd21:30:030
25010912418,2phc2sys0-21swapper/323:46:373
25010912418,2phc2sys0-21swapper/322:24:013
25010912418,2phc2sys0-21swapper/321:24:303
25010912418,2phc2sys0-21swapper/319:16:213
25010912417,3phc2sys0-21swapper/323:24:213
25010912417,2phc2sys0-21swapper/323:52:303
25010912417,2phc2sys0-21swapper/323:18:113
25010912417,2phc2sys0-21swapper/322:54:113
25010912417,2phc2sys0-21swapper/321:25:293
25010912417,2phc2sys0-21swapper/300:09:153
25010912417,2phc2sys0-21swapper/300:00:163
25010912317,3phc2sys0-21swapper/323:40:073
25010912317,2phc2sys0-21swapper/323:36:363
25010912317,2phc2sys0-21swapper/323:27:023
25010912317,2phc2sys0-21swapper/323:13:193
25010912317,2phc2sys0-21swapper/323:04:533
25010912317,2phc2sys0-21swapper/322:57:273
25010912317,2phc2sys0-21swapper/322:36:393
25010912317,2phc2sys0-21swapper/322:15:443
25010912317,2phc2sys0-21swapper/322:12:553
25010912317,2phc2sys0-21swapper/322:02:183
25010912317,2phc2sys0-21swapper/322:02:173
25010912317,2phc2sys0-21swapper/321:54:483
25010912317,2phc2sys0-21swapper/321:42:103
25010912317,2phc2sys0-21swapper/321:12:323
25010912317,2phc2sys0-21swapper/321:00:583
25010912317,2phc2sys0-21swapper/320:50:443
25010912317,2phc2sys0-21swapper/320:42:063
25010912317,2phc2sys0-21swapper/320:20:493
25010912317,2phc2sys0-21swapper/320:10:473
25010912317,2phc2sys0-21swapper/319:36:413
25010912317,2phc2sys0-21swapper/319:11:343
25010912317,2phc2sys0-21swapper/300:31:143
25010912317,2phc2sys0-21swapper/300:23:363
25010912317,2phc2sys0-21swapper/300:12:143
2257745992320,2cyclictest2263901-21munin-node19:15:011
2257745992318,1cyclictest178850irq/121-eno123:30:001
251028222218,2sleep30-21swapper/322:07:543
25010912217,3phc2sys0-21swapper/323:58:223
25010912217,3phc2sys0-21swapper/322:31:573
25010912217,3phc2sys0-21swapper/322:28:213
25010912217,3phc2sys0-21swapper/321:37:193
25010912217,3phc2sys0-21swapper/321:19:353
25010912217,3phc2sys0-21swapper/321:08:253
25010912217,3phc2sys0-21swapper/320:34:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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