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2025-09-03 - 00:44
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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 Tue Sep 02, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21542730,1sleep449-21ksoftirqd/410:50:484
190562720,2sleep61812499cyclictest11:07:486
36882520,2sleep41810699cyclictest11:33:494
75572510,0sleep47565-21sshd09:37:284
1770025025,8sleep20-21swapper/206:53:512
167932500,0sleep50-21swapper/512:10:185
154742500,0sleep50-21swapper/511:24:375
317432480,0sleep40-21swapper/411:25:564
1779224825,9sleep00-21swapper/006:55:090
161832470,0sleep60-21swapper/612:20:206
1793824625,8sleep40-21swapper/406:57:054
231872450,2sleep41810699cyclictest11:16:594
74222440,0sleep20-21swapper/210:02:002
54332440,0sleep70-21swapper/710:20:477
30882440,0sleep60-21swapper/611:51:376
277982440,0sleep00-21swapper/011:56:030
150322430,0sleep10-21swapper/112:00:051
222162420,0sleep773-21ksoftirqd/711:47:537
1547324229,9sleep70-21swapper/706:52:207
119782420,0sleep60-21swapper/610:54:346
205962410,0sleep40-21swapper/409:35:434
178882410,0sleep00-21swapper/009:56:460
1769124129,9sleep60-21swapper/606:53:476
1761824128,9sleep30-21swapper/306:52:483
160592410,0sleep70-21swapper/711:16:227
48562400,0sleep00-21swapper/009:31:310
256812400,0sleep40-21swapper/410:25:494
1783424027,9sleep50-21swapper/506:55:465
302052390,0sleep40-21swapper/409:01:484
286722390,0sleep30-21swapper/312:01:113
1792023928,8sleep10-21swapper/106:56:541
158062390,0sleep10-21swapper/112:12:381
153822390,0sleep50-21swapper/510:46:085
1812999202,17cyclictest23690-21sshd10:49:477
1809899201,18cyclictest7830-21sshd11:12:412
1812999198,5cyclictest0-21swapper/708:43:457
1812999198,5cyclictest0-21swapper/708:34:317
1812999198,5cyclictest0-21swapper/707:50:327
1812999198,5cyclictest0-21swapper/707:19:127
1812999198,0cyclictest0-21swapper/711:44:077
1812999198,0cyclictest0-21swapper/709:35:337
1812999198,0cyclictest0-21swapper/707:30:567
1812999196,12cyclictest12880-21sshd12:17:317
1812999192,12cyclictest14994-21sshd09:15:097
1809899190,18cyclictest2513-21grepconf.sh09:55:152
18090991916,3cyclictest25-21ksoftirqd/111:53:071
18090991915,3cyclictest25-21ksoftirqd/110:37:161
1812999188,0cyclictest0-21swapper/711:24:377
1812999187,0cyclictest0-21swapper/709:22:397
1812999187,0cyclictest0-21swapper/708:47:197
1812999187,0cyclictest0-21swapper/708:31:537
1812999187,0cyclictest0-21swapper/708:17:577
1812999187,0cyclictest0-21swapper/708:08:327
1812999187,0cyclictest0-21swapper/707:47:067
1812999187,0cyclictest0-21swapper/707:36:167
1812999187,0cyclictest0-21swapper/707:07:087
1812999180,17cyclictest19974-21sshd10:34:097
18090991815,3cyclictest25-21ksoftirqd/111:43:151
1809099181,2cyclictest121rcu_preempt09:42:161
1809099180,17cyclictest21239-21grepconf.sh09:32:471
1812999176,0cyclictest0-21swapper/712:15:137
1812999176,0cyclictest0-21swapper/709:00:417
1812999176,0cyclictest0-21swapper/707:10:227
1812999175,6cyclictest0-21swapper/712:23:497
1812999174,12cyclictest11529-21sshd09:43:457
18118991711,6cyclictest57-21ksoftirqd/510:07:155
1809099177,1cyclictest25-21ksoftirqd/110:49:421
1809099175,3cyclictest25-21ksoftirqd/112:24:341
18090991716,1cyclictest25-21ksoftirqd/110:54:271
18090991715,1cyclictest25-21ksoftirqd/111:24:451
18090991714,3cyclictest25-21ksoftirqd/108:58:411
18090991713,3cyclictest25-21ksoftirqd/109:49:131
18090991712,3cyclictest25-21ksoftirqd/111:33:021
109092170,0sleep60-21swapper/611:54:416
77442160,0sleep00-21swapper/010:11:110
48122160,0sleep10-21swapper/109:25:471
1812999166,5cyclictest5643-21sshd11:28:537
1812999165,5cyclictest0-21swapper/709:57:437
1812999165,5cyclictest0-21swapper/708:04:017
1812999165,0cyclictest0-21swapper/708:55:317
1812999165,0cyclictest0-21swapper/707:13:547
1812999165,0cyclictest0-21swapper/707:13:547
1812999160,15cyclictest9875-21sshd11:57:137
1812499160,15cyclictest19110-21systemd-cgroups09:38:266
1812499160,15cyclictest14122-21bash11:21:576
1811899168,2cyclictest0-21swapper/510:54:415
1811899168,2cyclictest0-21swapper/508:32:395
1811899168,0cyclictest0-21swapper/508:22:155
1811899168,0cyclictest0-21swapper/507:07:545
1810399160,13cyclictest25842-21kworker/3:111:06:113
1810399160,13cyclictest25842-21kworker/3:111:06:113
1809899160,15cyclictest23045-21sshd09:12:562
1809099165,2cyclictest25-21ksoftirqd/109:46:171
18090991616,0cyclictest15668-21kworker/1:008:15:391
18090991616,0cyclictest10617-21kworker/1:208:38:011
18090991615,1cyclictest32189-21kworker/1:011:50:451
18090991614,1cyclictest25-21ksoftirqd/111:38:081
18090991614,1cyclictest25-21ksoftirqd/111:13:521
18090991614,1cyclictest25-21ksoftirqd/110:59:391
18090991614,1cyclictest25-21ksoftirqd/110:29:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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