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2025-12-20 - 15:43
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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 Dec 20, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
316672810,1sleep11337099cyclictest12:13:171
316672810,1sleep11337099cyclictest12:13:171
84372770,0sleep50-21swapper/511:35:015
213412570,0sleep60-21swapper/611:27:096
53742510,0sleep60-21swapper/610:14:456
1307924927,8sleep40-21swapper/407:07:464
1305724926,8sleep00-21swapper/007:07:260
284362470,0sleep60-21swapper/611:15:566
204652470,0sleep40-21swapper/411:30:034
188632470,1sleep09-21ksoftirqd/009:43:320
254792460,2sleep5561ktimersoftd/509:29:355
238072460,1sleep09-21ksoftirqd/009:14:400
70352450,0sleep70-21swapper/709:45:157
46932450,0sleep00-21swapper/012:13:480
46932450,0sleep00-21swapper/012:13:480
319862430,1sleep631985-21grep11:22:126
319862430,1sleep631985-21grep11:22:126
219872430,0sleep60-21swapper/611:45:116
192292430,0sleep2311rcuc/211:57:002
1317724324,15sleep30-21swapper/307:09:053
1290524320,8sleep60-21swapper/607:05:236
146532420,0sleep40-21swapper/410:30:134
1309224229,9sleep50-21swapper/507:07:555
322582410,0sleep032257-21sshd11:01:240
211862410,1sleep71-21systemd11:12:207
146812410,0sleep40-21swapper/410:42:064
1312324128,9sleep70-21swapper/707:08:217
309332400,0sleep70-21swapper/710:14:067
233252400,1sleep123324-21id09:32:111
152742400,0sleep00-21swapper/011:35:360
1312724029,8sleep20-21swapper/207:08:242
87882390,0sleep10-21swapper/109:45:251
246342390,0sleep10-21swapper/111:30:241
1300023927,9sleep10-21swapper/107:06:391
50782380,0sleep10-21swapper/110:59:011
225712380,0sleep10-21swapper/109:23:221
129582360,0sleep20-21swapper/211:05:342
158362280,0sleep30-21swapper/307:10:403
1339499234,3cyclictest57-21ksoftirqd/512:25:135
1337099219,1cyclictest25-21ksoftirqd/111:29:371
1337099218,2cyclictest25-21ksoftirqd/111:42:171
1339499206,3cyclictest57-21ksoftirqd/511:24:485
1339499198,1cyclictest492-21systemd-journal09:42:375
13394991913,4cyclictest57-21ksoftirqd/511:51:175
1339499190,2cyclictest121rcu_preempt11:20:005
1339499190,2cyclictest121rcu_preempt11:20:005
13370991915,3cyclictest25-21ksoftirqd/112:02:411
13370991915,3cyclictest25-21ksoftirqd/111:35:241
49952180,0sleep40-21swapper/410:11:394
13400991815,1cyclictest13697-21systemd-cgroups10:24:256
1339499186,3cyclictest57-21ksoftirqd/510:25:375
13394991815,2cyclictest57-21ksoftirqd/509:09:545
13394991813,3cyclictest57-21ksoftirqd/510:46:465
13394991812,4cyclictest57-21ksoftirqd/509:56:025
13394991810,1cyclictest57-21ksoftirqd/509:47:485
1337099187,1cyclictest25-21ksoftirqd/111:49:471
13370991816,2cyclictest25-21ksoftirqd/111:09:021
13370991816,1cyclictest25-21ksoftirqd/111:14:351
13370991815,1cyclictest25-21ksoftirqd/110:33:411
13370991815,1cyclictest25-21ksoftirqd/109:44:331
13370991813,1cyclictest25-21ksoftirqd/110:10:551
13394991716,1cyclictest57-21ksoftirqd/510:08:235
13394991716,1cyclictest57-21ksoftirqd/510:08:235
13394991715,2cyclictest57-21ksoftirqd/512:03:325
13394991715,2cyclictest57-21ksoftirqd/511:47:065
13394991715,1cyclictest57-21ksoftirqd/512:36:195
13394991715,1cyclictest57-21ksoftirqd/512:14:455
13394991714,3cyclictest57-21ksoftirqd/510:02:305
13394991713,3cyclictest57-21ksoftirqd/510:21:525
13394991713,1cyclictest57-21ksoftirqd/510:40:005
13394991712,3cyclictest57-21ksoftirqd/510:11:005
13394991711,3cyclictest57-21ksoftirqd/512:33:535
13394991711,3cyclictest57-21ksoftirqd/509:54:245
13383991715,1cyclictest49-21ksoftirqd/411:10:054
1337099179,4cyclictest25-21ksoftirqd/111:02:581
1337099176,2cyclictest25-21ksoftirqd/109:27:391
1337099173,1cyclictest25-21ksoftirqd/110:25:191
13370991715,2cyclictest25-21ksoftirqd/110:50:041
13370991715,1cyclictest25-21ksoftirqd/112:17:431
13370991715,1cyclictest25-21ksoftirqd/111:22:381
13370991715,1cyclictest25-21ksoftirqd/111:22:381
13370991715,1cyclictest25-21ksoftirqd/110:44:561
13370991715,1cyclictest25-21ksoftirqd/110:15:361
13370991715,1cyclictest25-21ksoftirqd/109:35:031
13370991715,1cyclictest25-21ksoftirqd/109:16:541
13370991714,2cyclictest25-21ksoftirqd/110:00:111
13370991713,1cyclictest25-21ksoftirqd/110:09:191
13370991713,1cyclictest25-21ksoftirqd/110:09:191
13370991712,3cyclictest25-21ksoftirqd/112:07:151
13370991712,3cyclictest25-21ksoftirqd/112:07:151
222922160,0sleep30-21swapper/312:27:203
1339499167,1cyclictest57-21ksoftirqd/510:38:275
1339499166,1cyclictest57-21ksoftirqd/510:15:175
1339499165,2cyclictest57-21ksoftirqd/511:10:055
13394991615,1cyclictest57-21ksoftirqd/512:19:465
13394991615,1cyclictest492-21systemd-journal09:17:065
13394991614,2cyclictest57-21ksoftirqd/511:41:235
13394991614,1cyclictest57-21ksoftirqd/510:58:495
13394991614,1cyclictest492-21systemd-journal11:34:095
13394991614,1cyclictest492-21systemd-journal10:31:205
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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