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2026-07-17 - 16:16
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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 rack3slot0.osadl.org (updated Fri Jul 17, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31622900,0sleep52906-21nscd11:17:055
69662870,1sleep773-21ksoftirqd/712:19:387
248322850,2sleep61939399cyclictest11:42:056
51162710,1sleep665-21ksoftirqd/612:12:086
49582690,0sleep10-21swapper/109:28:001
67342510,0sleep60-21swapper/609:51:446
315352510,0sleep60-21swapper/611:11:216
280272500,0sleep5709-21systemd-logind12:11:435
248892500,0sleep70-21swapper/710:58:097
322592490,2sleep71940199cyclictest10:29:257
234882490,1sleep123486-21sshd09:23:361
136332490,1sleep6641ktimersoftd/612:20:016
1922824826,8sleep50-21swapper/507:06:325
175842480,1sleep6721-21dbus-daemon10:55:596
30502470,0sleep10-21swapper/110:04:121
287402470,0sleep60-21swapper/609:14:526
24422470,1sleep12415-21cp10:49:381
24422470,1sleep12415-21cp10:49:381
88462460,0sleep10-21swapper/111:50:251
283742450,0sleep50-21swapper/511:33:075
143192450,0sleep20-21swapper/211:19:342
51312440,1sleep6721-21dbus-daemon11:55:426
258182440,0sleep20-21swapper/210:25:282
256882440,0sleep30-21swapper/311:23:523
1677024431,9sleep40-21swapper/407:01:504
94912430,0sleep20-21swapper/210:19:032
297702430,0sleep40-21swapper/412:13:344
297682430,0sleep00-21swapper/011:11:150
10112430,1sleep5721-21dbus-daemon11:05:595
10112430,1sleep5721-21dbus-daemon11:05:595
73982420,0sleep00-21swapper/009:29:590
60592420,0sleep60-21swapper/609:19:006
54552420,1sleep665-21ksoftirqd/612:10:246
28412420,0sleep10-21swapper/110:31:271
241352420,0sleep70-21swapper/712:29:477
1919024230,8sleep70-21swapper/707:06:027
191672420,0sleep40-21swapper/412:25:524
188662420,0sleep70-21swapper/710:05:067
91482410,0sleep00-21swapper/010:53:370
80852410,0sleep30-21swapper/312:19:423
245732410,0sleep70-21swapper/711:29:167
245342410,2sleep51938699cyclictest09:06:505
220042410,0sleep40-21swapper/409:23:314
198272410,0sleep50-21swapper/510:25:075
33582400,2sleep01936099cyclictest11:35:260
1924524027,9sleep20-21swapper/207:06:452
190122400,0sleep3391rcuc/311:21:433
42022390,0sleep50-21swapper/509:53:195
282092390,0sleep40-21swapper/408:17:004
1899623926,9sleep00-21swapper/007:03:220
1898623927,8sleep30-21swapper/307:03:173
269922380,0sleep6631rcuc/610:40:056
1909123827,8sleep10-21swapper/107:04:441
1892523825,9sleep60-21swapper/607:02:246
244752350,2sleep41938199cyclictest12:20:394
1938699268,2cyclictest57-21ksoftirqd/511:37:335
90252240,0sleep10-21swapper/111:28:221
1936099242,6cyclictest452-21grepconf.sh11:13:150
1937799230,8cyclictest20035-21sshd09:17:573
250992220,0sleep130488-21kworker/1:509:43:381
247762220,0sleep40-21swapper/409:56:224
1937799224,8cyclictest25480-21grepconf.sh11:55:003
1937799220,7cyclictest2706-21cp11:15:163
1937799220,7cyclictest18357-21grepconf.sh10:19:343
1937799220,5cyclictest0-21swapper/312:24:103
1937799220,5cyclictest0-21swapper/310:32:533
1937799220,10cyclictest1288-21grepconf.sh11:46:203
1936099223,3cyclictest2458-21grep11:57:180
1936099223,3cyclictest2458-21grep11:57:180
19386992118,3cyclictest57-21ksoftirqd/510:20:125
1937799210,8cyclictest13509-21grep11:32:153
1937799210,5cyclictest0-21swapper/309:23:113
1936099213,7cyclictest20672-21sshd11:03:230
1936099213,7cyclictest20672-21sshd11:03:230
1936099213,6cyclictest13430-21bash09:23:010
1936099212,6cyclictest26780-21grepconf.sh09:58:140
1936099212,6cyclictest0-21swapper/009:09:260
1936099212,5cyclictest31178-21cp12:33:480
1936099212,2cyclictest26608-21sshd11:53:110
1936099211,4cyclictest0-21swapper/012:06:360
1936099211,3cyclictest6027-21systemd-cgroups10:09:480
19386992017,3cyclictest57-21ksoftirqd/510:28:525
1937799200,8cyclictest8973-21sshd09:59:043
1937799200,8cyclictest26900-21grepconf.sh09:27:243
1937799200,7cyclictest20841-21grep10:41:373
1937799200,6cyclictest17161-21grepconf.sh12:12:513
1937799200,10cyclictest3704-21bash11:40:583
1937799200,10cyclictest0-21swapper/310:52:213
19371992012,5cyclictest23393-21sshd11:07:102
1936099203,5cyclictest2768-21sshd11:50:040
1936099203,2cyclictest5524-21bash11:41:040
1936099202,5cyclictest721-21dbus-daemon10:39:450
1936099202,5cyclictest0-21swapper/010:27:020
1936099202,4cyclictest28672-21kill12:07:590
1936099202,3cyclictest25283-21id10:58:100
1936099202,2cyclictest1013-21bash09:53:080
1936099201,3cyclictest0-21swapper/009:49:540
20072190,0sleep00-21swapper/010:46:000
1940199190,19cyclictest9333-21kworker/7:009:30:297
1938699197,1cyclictest57-21ksoftirqd/510:47:225
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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