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2025-05-13 - 03:21
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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 the highest latencies:
System rack7slot8.osadl.org (updated Mon May 12, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5763210640,10sleep05762-21/usr/sbin/munin07:05:290
65879916641,34cyclictest13077-21df07:35:200
6587991599,18cyclictest11637-21apt-get12:07:130
65879915953,14cyclictest10150irq/55-4a10000009:40:130
65879915830,18cyclictest17921-21sshd12:31:140
65879915737,27cyclictest3650irq/20-4900000008:35:190
65879915446,13cyclictest10150irq/55-4a10000011:41:310
65879915445,13cyclictest10150irq/55-4a10000011:10:180
65879915343,19cyclictest28073-21latency_hist08:55:030
65879915024,16cyclictest1336-21runrttasks09:03:090
65879914963,11cyclictest101ktimersoftd/007:30:260
65879914838,28cyclictest0-21swapper/012:35:140
6587991477,35cyclictest10508-21aten_r7power_vo07:25:160
65879914747,16cyclictest2949-21runrttasks09:30:100
65879914659,11cyclictest101ktimersoftd/009:50:520
65879914428,41cyclictest98272chrt12:01:280
65879914359,11cyclictest101ktimersoftd/009:55:220
2596211813,92sleep02613-21ntpq11:35:390
15551211011,88sleep015541-21apt-get10:17:050
15454210712,83sleep015455-21sshd12:22:400
279621065,84sleep02822-21apt-config09:30:070
86221057,11sleep0902-21latency_hist11:30:030
1231221059,79sleep00-21swapper/010:05:170
65879910142,44cyclictest0-21swapper/008:40:060
540521015,85sleep05443-21ps09:36:310
1716921005,78sleep017217-21latency_hist10:25:030
1226421005,81sleep012281-21df12:10:200
79442985,82sleep07956-21users09:45:530
70352975,81sleep07053-21ntp_kernel_pll_07:10:430
269042975,69sleep026307-21apt-get08:45:550
304422955,77sleep01356-21snmpd09:07:490
71732945,78sleep01356-21snmpd11:52:310
6587999342,40cyclictest0-21swapper/008:55:380
182292916,72sleep018230-21ntp_states07:55:390
215192885,67sleep021532-21ntp_states08:15:330
319062855,68sleep031904-21ntp_states09:15:390
658799848,23cyclictest30443-21apt-get11:17:110
6587998439,11cyclictest101ktimersoftd/011:22:250
6587998347,25cyclictest0-21swapper/007:45:130
88392804,7sleep00-21swapper/007:18:210
6587998043,26cyclictest0-21swapper/009:20:130
6587998017,18cyclictest21037-21latency_hist08:15:040
6587997960,11cyclictest101ktimersoftd/010:00:400
6587997951,19cyclictest24082-21/usr/sbin/munin10:50:480
6587997950,14cyclictest10150irq/55-4a10000010:55:390
6587997852,16cyclictest227032sleep010:45:460
6587997850,13cyclictest10150irq/55-4a10000007:43:290
6587997759,11cyclictest101ktimersoftd/007:50:410
6587997749,13cyclictest10150irq/55-4a10000010:25:400
6587997745,15cyclictest10150irq/55-4a10000008:33:410
6587997732,32cyclictest101ktimersoftd/010:30:490
6587997732,27cyclictest1336-21runrttasks11:47:530
6587997658,10cyclictest101ktimersoftd/011:00:240
6587997650,12cyclictest10150irq/55-4a10000011:30:350
6587997647,14cyclictest10150irq/55-4a10000010:38:410
6587997633,31cyclictest101ktimersoftd/010:45:020
6587997556,11cyclictest101ktimersoftd/008:05:010
6587997547,18cyclictest7866-21if_eth011:55:310
6587997547,12cyclictest10150irq/55-4a10000010:10:410
6587997448,18cyclictest30998-21sshd09:11:410
6587997448,17cyclictest13879-21cat12:15:480
6587997426,32cyclictest22991-21latency_hist08:25:030
6587997344,13cyclictest10150irq/55-4a10000008:10:040
6587997342,14cyclictest10150irq/55-4a10000012:25:250
6587997321,15cyclictest1674-21ntpd07:20:560
6587997243,13cyclictest10150irq/55-4a10000011:05:370
6587997146,17cyclictest23354-21runrttasks08:27:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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