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2026-04-18 - 10:12
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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 Sat Apr 18, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1982099980,97cyclictest24251-21kworker/3:322:03:073
17272730,2sleep41982899cyclictest00:21:024
12642720,0sleep50-21swapper/522:12:005
169182630,2sleep61984499cyclictest21:15:156
301722530,0sleep10-21swapper/122:11:481
152842530,0sleep50-21swapper/500:12:305
300382520,0sleep70-21swapper/722:52:557
283072510,0sleep40-21swapper/422:54:444
255562510,0sleep40-21swapper/400:15:014
274742480,1sleep21-21systemd00:20:442
211852480,0sleep30-21swapper/322:22:313
19844994812,0cyclictest0-21swapper/622:03:086
122262480,1sleep712225-21bash00:10:327
202362470,1sleep720219-21bash23:35:327
105382470,0sleep20-21swapper/223:49:522
205242460,0sleep60-21swapper/620:01:006
134142460,1sleep11980299cyclictest00:19:551
101532460,0sleep70-21swapper/721:29:417
98262450,0sleep60-21swapper/600:04:466
80482450,0sleep40-21swapper/423:34:494
55422450,0sleep70-21swapper/700:30:507
55422450,0sleep70-21swapper/700:30:507
326902450,0sleep40-21swapper/422:34:264
260222450,1sleep226018-21bash23:35:512
209272450,1sleep420916-21bash21:09:524
20032450,1sleep12001-21bash21:34:481
110352450,0sleep60-21swapper/600:17:526
55342440,0sleep75524-21sshd23:58:547
35322440,0sleep60-21swapper/623:36:196
152592440,0sleep5561ktimersoftd/523:12:395
274512430,0sleep00-21swapper/023:41:250
274512430,0sleep00-21swapper/023:41:250
192212430,0sleep20-21swapper/222:37:202
122192430,0sleep70-21swapper/721:54:007
46562420,0sleep00-21swapper/022:21:320
321192420,0sleep60-21swapper/622:47:256
304952420,0sleep30-21swapper/322:43:383
239592420,0sleep10-21swapper/122:52:331
1957024229,9sleep70-21swapper/719:04:327
105772420,1sleep110576-21bash21:48:171
75762410,1sleep37574-21grepconf.sh00:32:463
75762410,1sleep37574-21grepconf.sh00:32:463
237272410,0sleep40-21swapper/422:28:174
1958724123,14sleep60-21swapper/619:04:476
1942424130,8sleep40-21swapper/419:02:294
321042400,0sleep50-21swapper/523:54:525
1951624029,8sleep20-21swapper/219:03:472
1947924027,9sleep10-21swapper/119:03:141
1945624028,8sleep00-21swapper/019:02:570
155102400,0sleep60-21swapper/623:35:156
111752400,0sleep30-21swapper/321:42:433
258062390,0sleep60-21swapper/622:56:226
1955023927,8sleep50-21swapper/519:04:145
1937423927,9sleep30-21swapper/319:01:483
19809993535,0cyclictest15721-21kworker/2:022:03:082
1980299330,32cyclictest14776-21kworker/u16:022:03:071
19794993114,0cyclictest0-21swapper/022:03:080
106142310,0sleep10-21swapper/123:59:121
19828992610,1cyclictest49-21ksoftirqd/423:37:204
1985299243,20cyclictest0-21swapper/722:03:077
204192220,1sleep620413-21bash21:19:076
1982899225,1cyclictest49-21ksoftirqd/423:18:254
19836992113,5cyclictest57-21ksoftirqd/521:30:255
1982899219,1cyclictest49-21ksoftirqd/400:19:384
1982899218,3cyclictest49-21ksoftirqd/422:18:284
1982899212,3cyclictest49-21ksoftirqd/421:11:334
26032200,5sleep62600-21sshd00:30:416
19794992017,2cyclictest1-21systemd22:27:590
321652190,0sleep30-21swapper/322:08:143
239042190,0sleep6784-21runrttasks22:13:216
19836991916,3cyclictest57-21ksoftirqd/521:58:435
19836991916,3cyclictest57-21ksoftirqd/521:58:435
1982899196,3cyclictest49-21ksoftirqd/422:08:264
1982899194,3cyclictest49-21ksoftirqd/422:41:504
1982899193,4cyclictest49-21ksoftirqd/423:54:164
1982899193,1cyclictest49-21ksoftirqd/421:21:144
19828991917,1cyclictest49-21ksoftirqd/421:16:514
19828991915,4cyclictest49-21ksoftirqd/423:11:364
19828991913,4cyclictest49-21ksoftirqd/421:52:384
272102180,0sleep00-21swapper/021:34:230
19836991816,1cyclictest57-21ksoftirqd/521:07:205
19836991812,4cyclictest57-21ksoftirqd/523:42:565
19836991812,4cyclictest57-21ksoftirqd/523:42:565
1982899186,1cyclictest49-21ksoftirqd/422:38:504
1982899184,1cyclictest49-21ksoftirqd/423:30:304
1982899183,2cyclictest49-21ksoftirqd/422:59:024
19828991816,1cyclictest49-21ksoftirqd/422:12:194
19828991816,1cyclictest49-21ksoftirqd/422:01:514
19828991816,1cyclictest49-21ksoftirqd/400:05:004
19828991815,1cyclictest49-21ksoftirqd/400:05:574
19828991814,3cyclictest49-21ksoftirqd/423:43:454
19828991814,3cyclictest49-21ksoftirqd/423:43:454
19809991813,1cyclictest29400-21systemd00:15:152
19802991817,1cyclictest25-21ksoftirqd/121:42:321
19836991716,1cyclictest57-21ksoftirqd/522:58:085
19836991715,1cyclictest57-21ksoftirqd/523:39:145
19836991715,1cyclictest57-21ksoftirqd/522:28:215
19836991715,1cyclictest57-21ksoftirqd/521:19:245
19836991715,1cyclictest57-21ksoftirqd/500:33:125
19836991715,1cyclictest57-21ksoftirqd/500:33:125
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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