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2023-12-02 - 19:20
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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 50 highest latencies:
System rackeslot0.osadl.org (updated Sat Dec 02, 2023 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1332899752751,1cyclictest12288-21kworker/4:2+events08:09:244
133259957132,536cyclictest29141-21sshd11:55:311
133269955340,0cyclictest0-21swapper/207:21:462
13327995468,0cyclictest0-21swapper/310:16:253
133279954223,518cyclictest0-21swapper/307:58:583
133279954019,520cyclictest0-21swapper/308:43:453
133289953860,477cyclictest22212-21apt-config10:47:484
133309953584,447cyclictest27482-21dpkg10:56:056
133269953410,440cyclictest0-21swapper/212:02:362
133319953213,518cyclictest0-21swapper/709:41:247
1332599531529,1cyclictest6175-21kworker/1:2+events09:14:041
13331995306,523cyclictest0-21swapper/709:39:287
133299952814,513cyclictest17278-21sshd09:19:115
1332699527522,4cyclictest10765-21kworker/2:0+events11:49:542
1333099525518,3cyclictest16169-21kworker/6:3+events12:05:226
13330995244,519cyclictest0-21swapper/608:03:556
133259952424,499cyclictest0-21swapper/111:36:141
133309952374,448cyclictest8908-21apt-config11:02:086
133309952374,448cyclictest8908-21apt-config11:02:076
13331995225,513cyclictest0-21swapper/710:00:217
133259952225,493cyclictest29029-21lsb_release10:41:271
13329995211,519cyclictest0-21swapper/510:53:325
1332599521518,2cyclictest2828-21kworker/1:3+events09:16:241
133279952025,25cyclictest14379-21sshd10:13:313
133279952025,25cyclictest14379-21sshd10:13:313
133279951919,499cyclictest820-21apt-config10:35:533
133269951922,496cyclictest28628-21sshd12:08:442
1333199518516,2cyclictest22035-21kworker/7:1+events07:55:327
13329995180,517cyclictest0-21swapper/508:51:365
1332899518515,2cyclictest478-21lsb_release11:49:544
1332799518516,1cyclictest14477-21kworker/3:1+events09:45:403
1332599518515,2cyclictest2870-21kworker/1:1+events10:48:411
1332799517515,1cyclictest4446-21lsb_release10:34:213
1332799517513,3cyclictest12095-21kworker/3:2+events09:41:243
133259951711,505cyclictest7439-21sshd11:47:391
1332499517515,1cyclictest54750irq/140-i91509:45:410
1333199514512,1cyclictest0-21swapper/711:09:257
13331995145,0cyclictest27065-21run-parts10:24:247
133289951438,473cyclictest511ktimers/409:35:544
1332599514511,2cyclictest2828-21kworker/1:3+events08:57:301
1332799512510,1cyclictest12095-21kworker/3:2+events09:39:273
1332799512488,1cyclictest23928-21lsb_release10:06:263
1333199511508,2cyclictest1-21systemd09:52:107
1333099511508,2cyclictest19238-21kworker/6:1+events07:23:376
1333199510506,3cyclictest27970-21kworker/7:3+events12:19:387
1333199510505,4cyclictest12599-21kworker/7:2+events10:14:557
1333199510505,4cyclictest12599-21kworker/7:2+events10:14:547
133299951060,447cyclictest5914-21apt-config08:56:385
1332999510510,0cyclictest0-21swapper/509:13:025
13327995100,509cyclictest0-21swapper/310:04:553
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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