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2026-08-31 - 06:14
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot2.osadl.org (updated Mon Aug 31, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
616389650,61rtkit-daemon0-21swapper/519:09:445
616389650,61rtkit-daemon0-21swapper/519:09:445
8338325644,8sleep40-21swapper/419:06:054
8338325644,8sleep40-21swapper/419:06:054
7432425420,29sleep70-21swapper/719:04:487
7432425420,29sleep70-21swapper/719:04:487
83926995347,4cyclictest686587-21latency_hist23:39:427
83917993634,2cyclictest686979-21kworker/u16:4+events_unbound23:53:404
83917993634,2cyclictest479987-21kworker/u16:2+events_unbound23:13:254
83917993634,2cyclictest479987-21kworker/u16:2+events_unbound23:07:124
83917993634,2cyclictest479987-21kworker/u16:2+events_unbound23:07:124
83917993634,2cyclictest443351-21kworker/u16:3+events_unbound22:06:294
83917993634,2cyclictest345718-21kworker/u16:1+events_unbound22:45:444
83917993634,2cyclictest345718-21kworker/u16:1+events_unbound22:40:494
83917993634,2cyclictest345717-21kworker/u16:0+events_unbound21:56:464
83917993634,2cyclictest253140-21kworker/u16:3+events_unbound21:17:574
83917993633,2cyclictest345718-21kworker/u16:1+events_unbound21:47:414
83917993633,2cyclictest345718-21kworker/u16:1+events_unbound21:47:414
83917993533,2cyclictest735805-21kworker/u16:1+events_unbound00:34:134
83917993533,2cyclictest613865-21kworker/u16:3+events_unbound23:32:054
83917993533,2cyclictest613865-21kworker/u16:3+events_unbound00:04:004
83917993533,2cyclictest565135-21kworker/u16:0+events_unbound23:03:134
83917993533,2cyclictest479987-21kworker/u16:2+events_unbound22:33:334
83917993533,2cyclictest345718-21kworker/u16:1+events_unbound21:41:454
83917993533,2cyclictest345718-21kworker/u16:1+events_unbound21:41:454
83917993533,2cyclictest345717-21kworker/u16:0+events_unbound21:28:144
83917993533,2cyclictest300869-21kworker/u16:5+events_unbound21:51:454
83917993533,2cyclictest194951-21kworker/u16:2+events_unbound21:22:344
8339423525,7sleep60-21swapper/619:06:156
8339423525,7sleep60-21swapper/619:06:156
83917993432,2cyclictest565135-21kworker/u16:0+events_unbound23:59:204
83917993432,2cyclictest479987-21kworker/u16:2+events_unbound22:53:254
83917993432,2cyclictest345718-21kworker/u16:1+events_unbound23:36:054
83917993432,2cyclictest345718-21kworker/u16:1+events_unbound22:17:294
83922993331,2cyclictest300869-21kworker/u16:5+events_unbound21:49:426
83922993331,2cyclictest300869-21kworker/u16:5+events_unbound21:49:426
83917993331,2cyclictest735805-21kworker/u16:1+events_unbound00:27:134
83917993331,2cyclictest735805-21kworker/u16:1+events_unbound00:27:134
83917993331,2cyclictest565135-21kworker/u16:0+events_unbound23:25:204
83917993331,2cyclictest565135-21kworker/u16:0+events_unbound23:22:054
83917993331,2cyclictest479987-21kworker/u16:2+events_unbound23:18:574
83917993331,2cyclictest345718-21kworker/u16:1+events_unbound23:45:454
83917993331,2cyclictest345718-21kworker/u16:1+events_unbound23:45:454
83917993331,2cyclictest345718-21kworker/u16:1+events_unbound22:36:484
83917993331,2cyclictest345718-21kworker/u16:1+events_unbound21:38:054
83917993331,2cyclictest345717-21kworker/u16:0+events_unbound22:24:244
83917993331,2cyclictest300869-21kworker/u16:5+events_unbound21:30:294
83922993230,2cyclictest565135-21kworker/u16:0+events_unbound00:01:086
83917993230,2cyclictest735805-21kworker/u16:1+events_unbound00:15:414
83917993230,2cyclictest443351-21kworker/u16:3+events_unbound22:59:174
83917993230,2cyclictest345718-21kworker/u16:1+events_unbound22:04:414
83917993230,2cyclictest345717-21kworker/u16:0+events_unbound22:14:374
83917993230,2cyclictest194951-21kworker/u16:2+events_unbound21:10:574
83926993129,1cyclictest0-21swapper/722:53:547
83917993129,2cyclictest565135-21kworker/u16:0+events_unbound00:22:124
83917993129,2cyclictest443351-21kworker/u16:3+events_unbound22:25:244
83917993129,2cyclictest345718-21kworker/u16:1+events_unbound23:40:564
83926993024,5cyclictest93508-21latency_hist19:14:437
83922993028,2cyclictest253140-21kworker/u16:3+events_unbound21:13:176
83922993028,2cyclictest253140-21kworker/u16:3+events_unbound20:43:456
83922993028,2cyclictest117130-21kworker/u16:0+events_unbound19:59:006
83917993028,2cyclictest735805-21kworker/u16:1+events_unbound00:38:244
83917993028,2cyclictest735805-21kworker/u16:1+events_unbound00:12:444
83917993028,2cyclictest253140-21kworker/u16:3+events_unbound20:41:144
83917993028,2cyclictest165575-21kworker/u16:3+events_unbound20:22:544
83922992927,2cyclictest443351-21kworker/u16:3+events_unbound22:51:186
83922992927,2cyclictest36355-21kworker/u16:4+events_unbound19:38:016
83922992927,2cyclictest345718-21kworker/u16:1+events_unbound22:24:186
83922992927,2cyclictest345718-21kworker/u16:1+events_unbound22:16:586
83919992927,2cyclictest194951-21kworker/u16:2+flush-8:021:00:455
83917992927,2cyclictest613865-21kworker/u16:3+events_unbound00:09:094
83922992826,2cyclictest686979-21kworker/u16:4+events_unbound23:52:226
83922992826,2cyclictest565135-21kworker/u16:0+events_unbound00:04:496
83922992826,2cyclictest479987-21kworker/u16:2+events_unbound23:12:346
83922992826,2cyclictest345718-21kworker/u16:1+events_unbound23:45:516
83922992826,2cyclictest345718-21kworker/u16:1+events_unbound23:45:516
83922992826,2cyclictest345718-21kworker/u16:1+events_unbound21:51:346
83919992826,1cyclictest0-21swapper/519:34:585
83917992826,2cyclictest253140-21kworker/u16:3+events_unbound20:53:534
8392699270,26cyclictest601469-21latency_hist23:04:427
83922992725,2cyclictest735805-21kworker/u16:1+events_unbound00:32:556
83922992725,2cyclictest565135-21kworker/u16:0+events_unbound22:58:346
83922992725,2cyclictest479987-21kworker/u16:2+events_unbound23:07:106
83922992725,2cyclictest479987-21kworker/u16:2+events_unbound23:07:106
83922992725,2cyclictest443351-21kworker/u16:3+events_unbound22:06:446
83922992725,2cyclictest36355-21kworker/u16:4+events_unbound19:21:526
83922992725,2cyclictest345718-21kworker/u16:1+events_unbound22:01:186
83922992725,2cyclictest300869-21kworker/u16:5+events_unbound21:21:476
83922992725,2cyclictest19826-21kworker/u16:1+events_unbound20:03:026
83922992725,2cyclictest165575-21kworker/u16:3+events_unbound19:53:066
83922992724,2cyclictest345717-21kworker/u16:0+events_unbound21:54:476
6725142270,1chrt672513-21rm23:30:597
6673432270,1chrt0-21swapper/623:30:026
83922992624,2cyclictest735805-21kworker/u16:1+events_unbound00:16:226
83922992624,2cyclictest613865-21kworker/u16:3+events_unbound23:24:356
83922992624,2cyclictest565135-21kworker/u16:0+events_unbound23:56:466
83922992624,2cyclictest565135-21kworker/u16:0+events_unbound00:22:306
83922992624,2cyclictest443351-21kworker/u16:3+events_unbound22:43:276
83922992624,2cyclictest345718-21kworker/u16:1+events_unbound23:37:276
83922992624,2cyclictest345718-21kworker/u16:1+events_unbound22:48:226
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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