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2026-04-28 - 20:08
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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 Apr 28, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89022770,0sleep40-21swapper/410:26:384
46042520,0sleep00-21swapper/010:56:450
246862500,0sleep20-21swapper/209:29:092
79922490,0sleep57977-21sshd11:10:045
42002490,0sleep70-21swapper/710:28:177
254362490,0sleep625433-21sshd09:36:426
254362490,0sleep625433-21sshd09:36:426
50812480,0sleep15080-21systemd-cgroups09:52:311
316772480,0sleep0101ktimersoftd/009:48:210
214722480,0sleep321469-21systemd-cgroups12:24:583
214722480,0sleep321469-21systemd-cgroups12:24:583
126532480,0sleep70-21swapper/711:52:117
87972470,0sleep1721-21dbus-daemon11:14:001
323622470,3sleep732359-21grep09:25:467
303202460,0sleep40-21swapper/409:52:024
276862460,0sleep10-21swapper/112:08:141
111212460,0sleep50-21swapper/507:50:075
280282450,0sleep10-21swapper/110:27:471
99292440,0sleep0111rcuc/009:24:340
98082440,0sleep6641ktimersoftd/612:24:216
98082440,0sleep6641ktimersoftd/612:24:216
58752440,0sleep00-21swapper/010:03:590
43552440,0sleep30-21swapper/311:06:093
268382440,0sleep30-21swapper/310:10:433
129062440,0sleep10-21swapper/111:02:551
60332430,1sleep76034-21bash09:45:007
221672430,1sleep61828599cyclictest10:21:436
57922420,0sleep50-21swapper/511:55:295
45852420,0sleep70-21swapper/711:15:347
24132420,2sleep31826099cyclictest11:41:573
238962420,0sleep50-21swapper/512:29:095
238962420,0sleep50-21swapper/512:29:095
230592420,0sleep40-21swapper/409:11:494
75722410,0sleep50-21swapper/510:00:125
45172410,0sleep5561ktimersoftd/512:06:505
238572410,0sleep00-21swapper/011:14:550
18992410,0sleep10-21swapper/110:35:321
18992410,0sleep10-21swapper/110:35:321
1805424129,9sleep20-21swapper/207:09:052
1776524129,8sleep70-21swapper/707:05:097
1754824127,9sleep50-21swapper/507:05:075
266722400,0sleep00-21swapper/010:40:430
1809624027,9sleep40-21swapper/407:09:394
1808324029,8sleep00-21swapper/007:09:270
1793323926,9sleep10-21swapper/107:07:281
1791623926,9sleep60-21swapper/607:07:176
1563323926,9sleep30-21swapper/307:04:493
85342380,0sleep00-21swapper/011:21:280
248132380,0sleep60-21swapper/612:17:326
93502370,0sleep40-21swapper/410:04:114
110152370,2sleep41827199cyclictest11:04:424
107282370,2sleep61828599cyclictest10:28:406
18246992410,2cyclictest9-21ksoftirqd/012:38:550
26762230,1sleep5464-21systemd-journal12:23:565
26762230,1sleep5464-21systemd-journal12:23:565
18246992310,2cyclictest9-21ksoftirqd/010:22:290
1827799227,1cyclictest57-21ksoftirqd/510:49:135
18277992219,2cyclictest27112-21cp09:34:555
18277992219,2cyclictest27112-21cp09:34:555
1824699229,3cyclictest9-21ksoftirqd/011:30:070
1824699228,2cyclictest9-21ksoftirqd/010:11:500
1824699227,3cyclictest9-21ksoftirqd/011:53:460
18246992210,2cyclictest9-21ksoftirqd/011:11:040
110142220,1sleep665-21ksoftirqd/609:30:096
57492210,0sleep10-21swapper/109:12:501
18246992111,3cyclictest9-21ksoftirqd/010:46:500
18246992110,2cyclictest9-21ksoftirqd/012:05:230
1824699211,3cyclictest9-21ksoftirqd/010:26:120
46682200,0sleep40-21swapper/412:12:344
1827799207,3cyclictest57-21ksoftirqd/512:01:565
1827799206,3cyclictest57-21ksoftirqd/510:13:285
18277992015,2cyclictest121rcu_preempt11:54:135
1824699209,2cyclictest9-21ksoftirqd/009:25:080
1824699208,3cyclictest9-21ksoftirqd/011:40:340
1824699208,3cyclictest9-21ksoftirqd/009:38:050
1824699208,3cyclictest9-21ksoftirqd/009:38:050
1824699208,2cyclictest9-21ksoftirqd/012:27:060
1824699208,2cyclictest9-21ksoftirqd/012:27:060
1824699207,1cyclictest9-21ksoftirqd/009:40:520
1824699206,3cyclictest9-21ksoftirqd/012:31:290
1824699200,3cyclictest0-21swapper/011:36:360
1824699200,1cyclictest3073-21sshd12:10:330
185032190,1sleep318433-21sshd11:01:213
18277991916,2cyclictest57-21ksoftirqd/511:23:325
18277991915,3cyclictest57-21ksoftirqd/509:33:045
1824699199,2cyclictest9-21ksoftirqd/009:14:550
1824699199,1cyclictest9-21ksoftirqd/011:00:290
1824699199,1cyclictest9-21ksoftirqd/009:50:450
1824699198,3cyclictest9-21ksoftirqd/010:08:350
1824699198,1cyclictest9-21ksoftirqd/011:25:530
1824699198,1cyclictest9-21ksoftirqd/011:25:530
1824699197,1cyclictest9-21ksoftirqd/012:20:530
1824699197,1cyclictest9-21ksoftirqd/012:20:530
1824699197,1cyclictest9-21ksoftirqd/011:55:010
1824699195,3cyclictest9-21ksoftirqd/010:50:590
1824699195,3cyclictest9-21ksoftirqd/009:29:490
1824699195,1cyclictest9-21ksoftirqd/011:46:540
18246991910,3cyclictest9-21ksoftirqd/010:17:030
1824699191,4cyclictest9-21ksoftirqd/010:31:060
1824699190,1cyclictest0-21swapper/012:03:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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