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2026-06-20 - 18:52
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack4slot2.osadl.org (updated Sat Jun 20, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502740,0irq/46-4a1000009084-1kworker/u3:107:07:570
7350970,0irq/45-4a1000001703-21sort07:39:560
23296999157,0cyclictest0-21swapper09:25:080
23296999060,0cyclictest0-21swapper07:40:540
23296999056,0cyclictest0-21swapper07:45:500
7350890,0irq/45-4a1000008849-1kworker/u3:008:20:060
23296998968,0cyclictest0-21swapper12:05:440
23296998958,0cyclictest0-21swapper08:40:310
23296998957,0cyclictest0-21swapper11:25:490
23296998957,0cyclictest0-21swapper09:55:340
23296998957,0cyclictest0-21swapper07:50:170
23296998954,0cyclictest0-21swapper08:35:460
7350880,0irq/45-4a10000012-21ksoftirqd/012:25:160
23296998857,0cyclictest0-21swapper12:30:030
23296998855,0cyclictest0-21swapper11:45:350
7350870,0irq/45-4a10000030543-1kworker/u3:009:20:450
23296998762,0cyclictest0-21swapper08:50:010
23296998756,0cyclictest0-21swapper10:45:440
23296998756,0cyclictest0-21swapper09:05:460
23296998755,0cyclictest0-21swapper11:30:290
23296998755,0cyclictest0-21swapper08:30:420
23296998754,0cyclictest0-21swapper10:30:050
7350860,0irq/45-4a10000025279-1kworker/u3:108:49:250
292982867,0sleep029320-21df12:10:070
23296998665,0cyclictest0-21swapper09:45:250
23296998657,0cyclictest0-21swapper12:15:170
23296998657,0cyclictest0-21swapper09:50:100
23296998656,0cyclictest0-21swapper11:35:450
23296998656,0cyclictest0-21swapper10:25:130
23296998654,0cyclictest0-21swapper08:00:510
23296998652,0cyclictest0-21swapper10:40:540
23296998652,0cyclictest0-21swapper10:35:250
23296998652,0cyclictest0-21swapper08:15:050
7350850,0irq/45-4a10000027132-1kworker/u3:207:20:290
23296998565,0cyclictest0-21swapper07:15:260
23296998557,0cyclictest0-21swapper08:05:200
7350840,0irq/45-4a10000021247-21kworker/0:409:42:000
23296998452,0cyclictest0-21swapper07:55:490
7350830,0irq/45-4a1000001657-21debian-sa109:14:520
7450820,0irq/46-4a1000007516-21meminfo09:30:330
7450820,0irq/46-4a10000024417-21fschecks_time10:20:230
7350820,0irq/45-4a10000018970-21/usr/sbin/munin11:40:070
7350820,0irq/45-4a10000017557-21cut10:00:220
23296998249,0cyclictest0-21swapper08:10:060
7450810,0irq/46-4a10000032759-21seq12:20:100
7350810,0irq/45-4a10000025709-21chrt12:00:000
64732810,0chrt4990-1kworker/u3:011:02:200
23296998160,0cyclictest0-21swapper11:55:410
23296998149,0cyclictest0-21swapper08:25:240
23296998149,0cyclictest0-21swapper07:25:180
23296998148,0cyclictest0-21swapper08:55:250
7450800,0irq/46-4a1000009559-21timerandwakeup11:10:480
7450800,0irq/46-4a1000003986-21/usr/sbin/munin10:55:260
7450800,0irq/46-4a1000003432-21latency_hist10:54:550
7450800,0irq/46-4a10000031262-21grep07:30:200
7450800,0irq/46-4a100000302332sleep009:01:000
7450800,0irq/46-4a10000024485-21/usr/sbin/munin07:10:540
7450800,0irq/46-4a1000002447-21/usr/sbin/munin09:15:380
23296998050,0cyclictest0-21swapper11:50:280
23296998050,0cyclictest0-21swapper11:20:480
23296998048,0cyclictest0-21swapper10:10:470
23296998048,0cyclictest0-21swapper10:05:380
7450790,0irq/46-4a1000008672-21wget09:35:030
7450790,0irq/46-4a1000007764-21grep11:05:440
7450790,0irq/46-4a1000006019-21seq12:35:440
7450790,0irq/46-4a10000023900-21sendmail-msp10:19:530
7450790,0irq/46-4a10000010317-21/usr/sbin/munin11:15:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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