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2026-09-04 - 03:19
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 all highest latencies:
System rack7slot8.osadl.org (updated Thu Sep 03, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17029220117,31sleep00-21swapper/007:08:090
173129916224,30cyclictest787-21haveged07:40:040
173129915737,33cyclictest27886-21aten_r7power_vo07:50:220
173129915545,21cyclictest2342-21runrttasks08:17:120
173129915055,15cyclictest19934-21aten_r7power_cu07:20:120
173129915049,13cyclictest10150irq/55-4a10000009:55:090
173129915047,26cyclictest3650irq/20-4900000012:37:130
173129913560,11cyclictest101ktimersoftd/011:05:290
4646211413,88sleep04673-21latency_hist12:35:080
3030521076,84sleep030243-21/usr/sbin/munin08:00:130
1057621014,84sleep010630-21wc08:50:030
17312999940,41cyclictest0-21swapper/009:21:000
200552975,78sleep020057-21sshd09:26:070
64292965,80sleep06441-21latency_hist08:35:030
254032966,79sleep024260-21apt-get09:46:330
140622964,80sleep01305-21snmpd09:03:110
317992956,78sleep01305-21snmpd08:05:340
17312999554,28cyclictest101ktimersoftd/010:17:040
17312999347,30cyclictest3650irq/20-4900000010:52:110
53902926,73sleep05182-21/usr/sbin/munin10:35:240
44912926,11sleep04517-21ps08:25:430
17312999269,11cyclictest101ktimersoftd/009:50:230
17312999263,15cyclictest22109-21runrttasks09:35:240
17312999225,30cyclictest787-21haveged11:35:040
156522926,75sleep015666-21fw_conntrack11:10:240
17312999148,29cyclictest101ktimersoftd/011:00:020
17312999137,17cyclictest18875-21sshd07:15:270
286142905,14sleep00-21swapper/012:01:300
17312999042,35cyclictest0-21swapper/012:10:050
17312999038,37cyclictest91762chrt10:49:570
17312999038,33cyclictest28989-21apt07:55:110
17312998934,37cyclictest0-21swapper/009:05:570
17312998839,32cyclictest29614-21runrttasks10:01:420
17312998744,30cyclictest680-21seq12:20:200
132952875,71sleep012055-21apt-get11:01:440
17312998524,30cyclictest787-21haveged10:30:020
320532845,68sleep032059-21ntp_states12:15:370
17312998449,27cyclictest0-21swapper/009:40:200
17312998438,31cyclictest10250irq/56-4a10000008:50:280
17312998432,19cyclictest24484-21sshd11:45:340
17312998360,13cyclictest0-21swapper/007:10:030
17312998329,19cyclictest32487-21munin-plugin-st10:15:020
17312998236,27cyclictest362-21aten_r7power_vo08:10:190
17312998214,33cyclictest787-21haveged08:40:040
226342816,64sleep0101ktimersoftd/007:30:310
17312998162,11cyclictest101ktimersoftd/007:40:220
17312998051,12cyclictest10150irq/55-4a10000011:25:480
17312998050,13cyclictest10150irq/55-4a10000008:55:170
17312998020,14cyclictest2583-21latency_hist10:25:030
1731299798,19cyclictest29361-21diskstats12:05:250
17312997959,12cyclictest101ktimersoftd/010:40:400
17312997950,13cyclictest10150irq/55-4a10000007:25:250
17312997932,29cyclictest15678-21aten_r7power_en09:10:110
1731299787,35cyclictest27773-21latency_hist12:00:030
17312997849,13cyclictest10150irq/55-4a10000010:08:520
17312997848,14cyclictest10150irq/55-4a10000011:17:090
17312997840,31cyclictest10250irq/56-4a10000008:20:130
17312997821,39cyclictest21671-21/usr/sbin/munin11:35:100
17312997816,15cyclictest5060-21latency_hist10:35:030
17312997759,11cyclictest101ktimersoftd/011:20:280
17312997747,13cyclictest10150irq/55-4a10000011:50:380
17312997648,18cyclictest23526-21/usr/sbin/munin11:40:470
17312997645,15cyclictest10150irq/55-4a10000012:25:280
17312997629,39cyclictest26734-21sshd07:45:500
17312997614,30cyclictest787-21haveged09:17:120
17312997556,12cyclictest101ktimersoftd/009:30:230
17312997548,19cyclictest8408-21/usr/sbin/munin08:40:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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