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2025-07-01 - 04:26
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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 Tue Jul 01, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11449421650,2sleep30-21swapper/323:10:023
2470812930,1sleep10-21swapper/100:26:231
2653012810,0sleep0265300-21ssh00:36:520
40018092320,1sleep10-21swapper/119:50:211
3948975992623,1cyclictest0-21swapper/200:00:002
25010912517,2phc2sys0-21swapper/321:18:373
25010912418,2phc2sys0-21swapper/319:30:263
25010912418,2phc2sys0-21swapper/300:20:493
25010912418,2phc2sys0-21swapper/300:12:073
25010912417,3phc2sys0-21swapper/323:28:363
25010912417,2phc2sys0-21swapper/323:47:443
25010912417,2phc2sys0-21swapper/322:59:143
25010912417,2phc2sys0-21swapper/322:18:223
25010912417,2phc2sys0-21swapper/300:31:553
3948974992314,3cyclictest105960-21/usr/sbin/munin23:05:231
3948973992317,5cyclictest4029810-21grep20:15:000
3948973992313,6cyclictest4153892-21kthreadcore21:40:230
25010912318,3phc2sys0-21swapper/323:56:123
25010912318,3phc2sys0-21swapper/323:43:013
25010912318,3phc2sys0-21swapper/322:11:233
25010912318,3phc2sys0-21swapper/321:40:173
25010912318,3phc2sys0-21swapper/320:46:103
25010912318,2phc2sys0-21swapper/320:16:333
25010912317,3phc2sys0-21swapper/300:17:043
25010912317,3phc2sys0-21swapper/300:05:063
25010912317,2phc2sys0-21swapper/323:38:023
25010912317,2phc2sys0-21swapper/323:21:093
25010912317,2phc2sys0-21swapper/323:19:583
25010912317,2phc2sys0-21swapper/323:10:393
25010912317,2phc2sys0-21swapper/322:36:183
25010912317,2phc2sys0-21swapper/322:07:003
25010912317,2phc2sys0-21swapper/321:56:063
25010912317,2phc2sys0-21swapper/321:47:363
25010912317,2phc2sys0-21swapper/321:37:103
25010912317,2phc2sys0-21swapper/321:34:453
25010912317,2phc2sys0-21swapper/321:25:193
25010912317,2phc2sys0-21swapper/320:59:303
25010912317,2phc2sys0-21swapper/319:55:413
25010912317,2phc2sys0-21swapper/319:45:393
25010912317,2phc2sys0-21swapper/319:44:083
25010912317,2phc2sys0-21swapper/319:23:163
25010912317,2phc2sys0-21swapper/319:11:423
410268522218,2sleep30-21swapper/321:10:433
394897399220,17cyclictest4048890-21perl20:30:200
394845222217,3sleep20-21swapper/219:05:432
25010912217,3phc2sys0-21swapper/323:33:073
25010912217,3phc2sys0-21swapper/322:42:533
25010912217,3phc2sys0-21swapper/322:30:313
25010912217,3phc2sys0-21swapper/322:21:413
25010912217,3phc2sys0-21swapper/322:00:253
25010912217,3phc2sys0-21swapper/321:50:153
25010912217,3phc2sys0-21swapper/321:20:283
25010912217,3phc2sys0-21swapper/321:05:063
25010912217,3phc2sys0-21swapper/320:43:293
25010912217,3phc2sys0-21swapper/320:11:593
25010912217,3phc2sys0-21swapper/320:09:193
25010912217,3phc2sys0-21swapper/319:50:163
25010912217,3phc2sys0-21swapper/319:26:233
25010912217,3phc2sys0-21swapper/319:17:173
25010912217,3phc2sys0-21swapper/300:03:213
19134622218,2sleep30-21swapper/323:51:593
10306822218,2sleep30-21swapper/323:01:013
9432422117,2sleep20-21swapper/222:56:042
8722022117,2sleep30-21swapper/322:53:433
8540422117,2sleep20-21swapper/222:50:422
7716922117,2sleep20-21swapper/222:46:302
5881922117,2sleep20-21swapper/222:35:322
5119222117,2sleep20-21swapper/222:31:462
419210122117,2sleep20-21swapper/222:02:002
4187122117,2sleep20-21swapper/222:25:542
415576022117,2sleep20-21swapper/221:40:402
414644322117,2sleep20-21swapper/221:35:322
413222022117,2sleep20-21swapper/221:30:022
412953622117,2sleep20-21swapper/221:26:022
412298022117,2sleep20-21swapper/221:24:372
406119322117,2sleep20-21swapper/220:40:202
399327022118,2sleep20-21swapper/219:41:532
398171222117,2sleep30-21swapper/319:35:133
3948974992118,2cyclictest4114355-21systemd-run21:20:011
3948974992114,3cyclictest1-21systemd22:40:001
3948973992118,2cyclictest17687-21apt-config22:15:000
3948973992114,6cyclictest31972-21missed_timers22:20:270
3948973992112,5cyclictest186312-21kthreadcore23:50:230
3948973992110,6cyclictest0-21swapper/022:55:160
3948973992110,6cyclictest0-21swapper/000:05:010
25624922118,2sleep20-21swapper/200:31:422
25010912117,2phc2sys0-21swapper/300:38:143
25010912116,1phc2sys0-21swapper/320:52:163
25010912115,2phc2sys0-21swapper/320:35:133
24839322117,2sleep20-21swapper/200:28:332
24091922117,2sleep30-21swapper/300:25:063
23868722117,2sleep20-21swapper/200:21:522
23133422117,2sleep20-21swapper/200:19:112
22226522117,2sleep20-21swapper/200:13:382
21175222117,2sleep20-21swapper/200:05:492
20972822117,2sleep20-21swapper/200:03:002
18276322117,2sleep20-21swapper/223:47:092
16473022117,2sleep20-21swapper/223:36:242
13816322117,2sleep20-21swapper/223:21:042
13011022117,2sleep20-21swapper/223:17:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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