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2024-04-15 - 01:40
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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 Tue Feb 06, 2024 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1701799741736,3cyclictest367-20systemd-journal11:41:332
1701999726218,20cyclictest30667-2191-release-upgr08:40:524
17020995537,447cyclictest3746-21apt-config10:29:455
170209955026,520cyclictest662-21dbus-daemon10:33:425
17020995499,536cyclictest828-21nfsd10:41:145
1702299538472,26cyclictest11034-21dpkg12:04:557
17020995384,533cyclictest0-21swapper/510:22:065
170219953710,34cyclictest68-21ksoftirqd/608:44:126
170209953511,523cyclictest9840-21stat10:16:355
1702299529522,6cyclictest6725-21sshd09:27:557
17016995298,2cyclictest332-21jbd2/nvme0n1p2-810:13:101
17020995265,520cyclictest332-21jbd2/nvme0n1p2-810:39:475
1702299525523,2cyclictest67650irq/125-eno112:15:547
1702299525523,1cyclictest0-21swapper/709:24:347
1701699524519,2cyclictest13559-21kworker/1:2+events10:47:591
1702099523519,3cyclictest28722-21lsb_release10:57:295
1701899523519,3cyclictest18942-21kworker/3:1+events09:27:553
1701899522520,2cyclictest4500-21kworker/3:0+events12:15:543
1701899521520,0cyclictest18942-21kworker/3:1+events09:24:343
1701999520512,5cyclictest24307-21lsb_release10:22:374
1702199517512,4cyclictest3776-21kworker/6:1+events11:54:126
1701599517515,1cyclictest54450irq/140-i91511:54:540
1702299516515,0cyclictest3037-21kworker/7:0+events11:27:047
1702299516514,1cyclictest76-21ksoftirqd/712:09:527
17021995162,513cyclictest0-21swapper/608:51:346
1702299515510,4cyclictest29019-21kworker/7:2+events10:06:567
1701599515514,0cyclictest54450irq/140-i91510:22:370
1701999514512,1cyclictest0-21swapper/411:54:544
1701899514512,1cyclictest421rcuc/311:27:043
1701899514511,2cyclictest4500-21kworker/3:0+events12:09:523
17022995131,511cyclictest0-21swapper/708:22:437
1702299512510,1cyclictest26329-21kworker/7:1+events11:15:207
1702199512509,2cyclictest0-21swapper/608:32:516
1702099512509,2cyclictest14801-21kworker/5:2+events07:14:525
1701899512507,4cyclictest20737-21apt-config10:06:563
1702299511509,1cyclictest15923-21sshd09:37:407
1702299511506,4cyclictest662-21dbus-daemon09:42:397
1701999511507,3cyclictest27183-21apt-config12:09:524
1701799511507,3cyclictest28408-21kworker/2:2+events08:51:342
1701799511507,3cyclictest28408-21kworker/2:2+events08:31:472
1701799511506,4cyclictest22823-2198-fsck-at-rebo11:54:122
1702299510507,2cyclictest20295-21kworker/7:0+events12:33:027
1702099510508,1cyclictest0-21swapper/510:52:165
1701899510508,1cyclictest44-21ksoftirqd/311:15:203
1701899510506,2cyclictest18814-21kworker/3:3+events09:37:403
1701699510508,1cyclictest2732-21kworker/1:1+events11:00:201
1701599510509,0cyclictest54450irq/140-i91512:09:520
1702199509507,1cyclictest12932-21kworker/6:1+events11:35:216
1701899509509,0cyclictest28033-21kworker/3:0+events08:22:433
1701899509507,1cyclictest27030-21kworker/3:3+events12:02:583
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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