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2026-05-01 - 16:37
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Fri May 01, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2758021560,0sleep40-21swapper/411:21:204
75772830,1sleep70-21swapper/709:37:207
124932820,0sleep10-21swapper/112:37:461
124932820,0sleep10-21swapper/112:37:461
36032800,0sleep20-21swapper/211:59:412
314402800,0sleep70-21swapper/712:21:587
171352780,1sleep0121rcuc/009:52:280
60312770,1sleep00-21swapper/009:14:210
109112770,1sleep2321ktimersoftd/212:23:462
78202760,1sleep1221rcuc/109:23:451
78202760,1sleep1221rcuc/109:23:451
131382760,0sleep60-21swapper/612:24:066
72642740,1sleep30-21swapper/309:14:323
111952740,0sleep30-21swapper/312:10:003
43022730,0sleep40-21swapper/410:22:534
320302710,0sleep00-21swapper/010:40:290
310492710,0sleep70-21swapper/709:17:497
310492710,0sleep70-21swapper/709:17:497
220742710,0sleep50-21swapper/512:11:235
193022710,0sleep60-21swapper/611:10:566
139812710,0sleep30-21swapper/310:05:463
118002700,0sleep50-21swapper/510:42:195
77692690,0sleep10-21swapper/111:46:091
18982690,0sleep40-21swapper/409:27:244
103672690,0sleep70-21swapper/710:37:327
102292690,1sleep669-21ksoftirqd/611:28:116
7432680,0sleep20-21swapper/209:27:152
67742680,0sleep00-21swapper/012:27:440
67742680,0sleep00-21swapper/012:27:440
251892670,0sleep10-21swapper/110:16:331
52282630,0sleep10-21swapper/111:59:561
169472630,1sleep778-21ksoftirqd/712:33:537
84342610,0sleep40-21swapper/412:23:244
1377825949,6sleep30-21swapper/307:08:163
236912580,0sleep40-21swapper/412:34:544
1385325847,7sleep40-21swapper/407:09:134
1367625747,6sleep50-21swapper/507:06:565
1367225747,6sleep10-21swapper/107:06:521
1391425039,7sleep70-21swapper/707:09:557
1386625028,7sleep60-21swapper/607:09:226
1366924432,7sleep00-21swapper/007:06:510
1149824028,7sleep20-21swapper/207:05:012
178092250,4sleep11415199cyclictest12:15:181
238682240,1sleep50-21swapper/509:12:115
1414799240,5cyclictest0-21swapper/008:03:460
239552230,1sleep60-21swapper/610:53:186
239552230,1sleep60-21swapper/610:53:186
1415899220,21cyclictest0-21swapper/211:32:422
1414799220,3cyclictest0-21swapper/012:32:030
108952220,1sleep4501ktimersoftd/410:37:364
84202210,1sleep00-21swapper/010:18:570
31072210,0sleep20-21swapper/211:36:172
1415899210,20cyclictest681-21dbus-daemon09:43:452
1414799210,2cyclictest0-21swapper/008:07:160
95682200,1sleep60-21swapper/612:09:466
209272200,0sleep10-21swapper/111:34:241
1415899200,19cyclictest0-21swapper/212:01:552
1414799200,1cyclictest0-21swapper/012:35:390
1414799200,1cyclictest0-21swapper/012:35:390
122712200,1sleep20-21swapper/211:14:462
216692190,0sleep70-21swapper/710:02:227
201892190,0sleep30-21swapper/311:57:183
174982190,0sleep10-21swapper/109:43:241
42942180,0sleep081ktimersoftd/011:08:590
290342180,1sleep50-21swapper/511:30:435
243772180,0sleep70-21swapper/711:48:417
230282170,0sleep10-21swapper/111:25:171
188322170,0sleep50-21swapper/509:39:045
14185991715,1cyclictest539-40kipmi010:55:146
14185991715,1cyclictest539-40kipmi010:55:136
1416499173,2cyclictest658-21polkitd09:28:213
32502160,1sleep00-21swapper/011:45:280
14164991612,2cyclictest7289-21sshd12:23:133
14158991612,3cyclictest0-21swapper/212:32:382
1415899160,10cyclictest0-21swapper/210:40:152
14185991513,1cyclictest6444-21kworker/6:009:43:396
14185991513,1cyclictest30365-21kworker/6:209:27:336
14185991513,1cyclictest27941-21kworker/6:012:17:256
14185991511,3cyclictest0-21swapper/610:17:546
14185991511,3cyclictest0-21swapper/609:57:046
1415899157,6cyclictest0-21swapper/212:17:312
1415899150,12cyclictest0-21swapper/211:02:282
1415199150,2cyclictest0-21swapper/110:03:251
1415199150,13cyclictest0-21swapper/109:32:101
1414799155,5cyclictest0-21swapper/008:59:590
1414799150,13cyclictest0-21swapper/011:33:130
1414799150,13cyclictest0-21swapper/011:25:240
108132150,0sleep20-21swapper/211:42:022
30632140,1sleep70-21swapper/709:32:077
247972140,0sleep00-21swapper/010:58:010
247972140,0sleep00-21swapper/010:58:010
14189991411,2cyclictest0-21swapper/712:12:257
1418999140,12cyclictest19476-21grepconf.sh12:01:487
1418999140,12cyclictest0-21swapper/710:44:477
14185991412,1cyclictest7366-21kworker/6:309:13:406
14185991412,1cyclictest23849-21kworker/6:010:23:216
14185991412,1cyclictest15915-21kworker/6:210:07:556
1418599140,12cyclictest23303-21sshd10:11:436
14177991411,2cyclictest0-21swapper/510:19:575
14168991411,2cyclictest0-21swapper/409:44:114
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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