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2025-05-02 - 12:36
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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 100 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
25010912217,3phc2sys0-21swapper/320:01:093
25010912217,3phc2sys0-21swapper/319:40:183
25010912217,3phc2sys0-21swapper/319:30:563
25010912217,3phc2sys0-21swapper/300:37:473
25010912217,3phc2sys0-21swapper/300:26:013
25010912217,3phc2sys0-21swapper/300:15:513
25010912216,2phc2sys0-21swapper/323:31:423
247510122218,2sleep20-21swapper/221:47:522
2257746992219,1cyclictest0-21swapper/222:40:002
2257740992219,2cyclictest2357150-21systemd20:30:010
2257740992219,2cyclictest1-21systemd00:30:010
277547022117,2sleep20-21swapper/200:38:262
276100022117,2sleep20-21swapper/200:30:252
274884622117,2sleep20-21swapper/200:23:232
273868222117,2sleep20-21swapper/200:16:102
270323022117,2sleep20-21swapper/223:55:462
269449622117,2sleep20-21swapper/223:50:492
268618222117,2sleep20-21swapper/223:46:362
264218822117,2sleep20-21swapper/223:22:072
263327122117,2sleep20-21swapper/223:16:582
262598622117,2sleep20-21swapper/223:14:222
260984322117,2sleep30-21swapper/323:05:223
259084522117,2sleep20-21swapper/222:54:262
257119322117,2sleep20-21swapper/222:41:112
255420022117,2sleep20-21swapper/222:32:172
253868422117,2sleep20-21swapper/222:25:202
253607322117,2sleep20-21swapper/222:21:512
251966922117,2sleep20-21swapper/222:13:502
250274822117,2sleep20-21swapper/222:04:562
250274822117,2sleep20-21swapper/222:04:562
25010912117,2phc2sys0-21swapper/322:49:073
25010912117,2phc2sys0-21swapper/322:40:293
25010912117,2phc2sys0-21swapper/321:55:253
25010912117,2phc2sys0-21swapper/321:30:323
25010912117,2phc2sys0-21swapper/320:25:163
249282022117,2sleep20-21swapper/221:58:062
246633022117,2sleep20-21swapper/221:42:592
245854222117,2sleep20-21swapper/221:39:432
244748822117,2sleep20-21swapper/221:31:012
244048022117,2sleep20-21swapper/221:28:572
243061822117,2sleep20-21swapper/221:22:232
241491822117,2sleep20-21swapper/221:15:142
238103522118,2sleep30-21swapper/320:45:533
236969222117,2sleep20-21swapper/220:40:232
235613322117,2sleep20-21swapper/220:25:292
235003322117,2sleep20-21swapper/220:20:322
233227322118,2sleep20-21swapper/220:05:572
230816522118,2sleep20-21swapper/219:48:022
228408022118,2sleep30-21swapper/319:29:153
227238122117,2sleep30-21swapper/319:20:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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