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2026-04-13 - 07:37
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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 Apr 13, 2026 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
396366721460,1sleep73963665-21ntpq22:27:197
37543712960,1sleep50-21swapper/521:02:135
3516624995351,2cyclictest3833954-21kworker/u16:1+events_unbound21:37:194
3516624995250,2cyclictest3870198-21kworker/u16:4+events_unbound22:42:234
3516624995249,2cyclictest3488210-21kworker/u16:3+events_unbound19:17:074
3516624995149,2cyclictest3870198-21kworker/u16:4+events_unbound22:17:074
3516624995149,2cyclictest3488210-21kworker/u16:3+events_unbound19:52:084
3516624995048,2cyclictest3833954-21kworker/u16:1+flush-8:021:47:094
3516624995048,2cyclictest3488210-21kworker/u16:3+events_unbound21:22:084
351632625040,7sleep50-21swapper/519:01:395
3516624994948,1cyclictest3918456-21kworker/u16:0+events_unbound22:32:104
351631824838,7sleep60-21swapper/619:01:326
3516624994746,1cyclictest3488210-21kworker/u16:3+flush-8:021:27:094
3516624994745,2cyclictest4181857-21kworker/u16:2+events_unbound00:27:164
3516624994745,2cyclictest4112196-21kworker/u16:5+events_unbound23:46:554
3516624994744,2cyclictest3783457-21kworker/u16:2+events_unbound21:17:074
3516624994644,2cyclictest3991360-21kworker/u16:3+events_unbound23:56:554
3516624994643,2cyclictest3488210-21kworker/u16:3+events_unbound20:02:084
3516624994543,2cyclictest4015507-21kworker/u16:2+events_unbound23:31:114
3516624994543,2cyclictest3870198-21kworker/u16:4+events_unbound22:07:244
3516624994543,2cyclictest3673122-21kworker/u16:1+flush-8:021:11:534
3516624994543,2cyclictest3606316-21kworker/u16:4+events_unbound20:47:234
3516624994543,2cyclictest3488210-21kworker/u16:3+flush-8:020:07:214
3516624994543,2cyclictest3488210-21kworker/u16:3+flush-8:020:07:214
3516624994442,2cyclictest3783457-21kworker/u16:2+events_unbound21:52:084
3516624994341,2cyclictest4181857-21kworker/u16:2+events_unbound00:17:284
3516624994341,2cyclictest3870198-21kworker/u16:4+flush-8:021:57:194
3516624994240,2cyclictest4181857-21kworker/u16:2+events_unbound00:11:114
3516624994240,2cyclictest3673122-21kworker/u16:1+events_unbound21:05:204
3516633994137,3cyclictest124-21kswapd000:17:077
3516624994139,2cyclictest3966856-21kworker/u16:1+events_unbound22:48:314
3516624994139,2cyclictest3783457-21kworker/u16:2+events_unbound21:15:594
3516624994139,2cyclictest14274-21kworker/u16:0+events_unbound00:22:214
351633424130,8sleep40-21swapper/419:01:474
3516624994038,2cyclictest4061270-21kworker/u16:0+events_unbound23:18:114
3516624994038,2cyclictest3870198-21kworker/u16:4+events_unbound22:23:084
3516624994038,2cyclictest3606316-21kworker/u16:4+flush-8:020:17:214
3516624994038,2cyclictest3488210-21kworker/u16:3+events_unbound22:14:404
3516624994038,2cyclictest3488210-21kworker/u16:3+events_unbound22:14:404
3516624994037,2cyclictest4061270-21kworker/u16:0+events_unbound23:24:114
3516624994037,2cyclictest3991360-21kworker/u16:3+flush-8:023:12:094
35160802403,31sleep70-21swapper/718:58:137
3516629993937,2cyclictest4112156-21kworker/u16:4+flush-8:023:32:236
3516629993937,2cyclictest4112156-21kworker/u16:4+flush-8:023:32:236
3516629993937,2cyclictest3488210-21kworker/u16:3+flush-8:022:12:246
3516629993937,2cyclictest3488210-21kworker/u16:3+flush-8:022:12:246
3516629993936,2cyclictest3488210-21kworker/u16:3+flush-8:021:26:486
3516624993937,2cyclictest4015507-21kworker/u16:2+flush-8:023:02:254
3516624993937,2cyclictest3991360-21kworker/u16:3+events_unbound23:46:514
3516624993937,2cyclictest3991360-21kworker/u16:3+events_unbound23:38:234
3516624993937,2cyclictest3991360-21kworker/u16:3+events_unbound23:38:234
3516624993937,2cyclictest3966856-21kworker/u16:1+events_unbound22:37:244
3516624993937,2cyclictest3918456-21kworker/u16:0+events_unbound22:29:044
3516624993937,2cyclictest14274-21kworker/u16:0+events_unbound00:12:564
3516624993937,2cyclictest14274-21kworker/u16:0+events_unbound00:12:564
3516624993936,2cyclictest4015507-21kworker/u16:2+events_unbound23:10:204
3516624993837,1cyclictest4015507-21kworker/u16:2+events_unbound22:59:204
3516624993836,2cyclictest3783457-21kworker/u16:2+events_unbound22:06:004
3516624993835,2cyclictest4112196-21kworker/u16:5+events_unbound00:02:354
3516624993835,2cyclictest4112156-21kworker/u16:4+flush-8:023:32:554
3516624993835,2cyclictest4112156-21kworker/u16:4+flush-8:023:32:554
3516633993734,2cyclictest3540553-21iwlist19:12:087
3516629993733,3cyclictest3488210-21kworker/u16:3+flush-8:019:17:196
3516627993735,2cyclictest4181857-21kworker/u16:2+flush-8:000:12:235
3516627993735,2cyclictest4181857-21kworker/u16:2+flush-8:000:12:235
3516624993735,2cyclictest3539546-21kworker/u16:2+events_unbound19:22:244
3516624993734,2cyclictest3783457-21kworker/u16:2+events_unbound21:31:564
3516624993734,2cyclictest3488210-21kworker/u16:3+events_unbound19:37:114
3516629993634,2cyclictest3488210-21kworker/u16:3+flush-8:021:46:486
3516624993634,2cyclictest3991360-21kworker/u16:3+events_unbound23:56:514
3516627993531,3cyclictest3558486-21kworker/u16:0+flush-8:019:52:195
3516624993533,2cyclictest3966856-21kworker/u16:1+flush-8:022:52:214
3516624993533,2cyclictest3488210-21kworker/u16:3+events_unbound21:45:554
3516629993431,2cyclictest3488210-21kworker/u16:3+events_unbound19:07:096
3516624993432,2cyclictest3488210-21kworker/u16:3+events_unbound19:07:194
3516629993331,2cyclictest3991360-21kworker/u16:3+flush-8:022:47:206
3516629993331,2cyclictest3739558-21kworker/u16:0+flush-8:020:56:536
3516629993331,2cyclictest3739558-21kworker/u16:0+flush-8:020:56:536
3516629993331,2cyclictest3539546-21kworker/u16:2+events_unbound19:22:086
3516624993330,2cyclictest3673122-21kworker/u16:1+flush-8:020:57:084
3516633993230,1cyclictest3710287-21ntpq20:37:197
3516629993229,2cyclictest3991360-21kworker/u16:3+events_unbound23:17:076
3516627993230,2cyclictest3966856-21kworker/u16:1+flush-8:023:01:485
3516627993130,1cyclictest3870198-21kworker/u16:4+events_unbound21:59:575
3516629993028,2cyclictest4112196-21kworker/u16:5+flush-8:023:42:236
3516627993029,1cyclictest3991360-21kworker/u16:3+events_unbound23:11:015
3516627993028,2cyclictest3539546-21kworker/u16:2+flush-8:019:21:535
3516627993027,2cyclictest3606316-21kworker/u16:4+flush-8:020:32:105
3516624993027,3cyclictest3488210-21kworker/u16:3+flush-8:019:27:094
351663399290,28cyclictest902-21dbus-daemon23:46:537
3516624992927,2cyclictest3606316-21kworker/u16:4+flush-8:020:52:204
3516624992927,2cyclictest3606316-21kworker/u16:4+flush-8:020:52:204
3516624992927,2cyclictest3488210-21kworker/u16:3+events_unbound19:47:194
3516627992825,2cyclictest3991360-21kworker/u16:3+flush-8:023:36:525
3516627992825,2cyclictest3991360-21kworker/u16:3+flush-8:023:36:525
3516624992826,2cyclictest3673122-21kworker/u16:1+events_unbound20:35:284
36630582270,1chrt3663059-21unixbench_multi20:12:247
351663399270,26cyclictest4110806-21sh23:30:127
3516629992624,2cyclictest4112196-21kworker/u16:5+events_unbound23:37:206
3516629992624,2cyclictest4112196-21kworker/u16:5+events_unbound23:37:206
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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