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2026-09-07 - 12:47
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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 Sun Sep 06, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17116220727,50sleep00-21swapper/007:09:460
172089912197,13cyclictest0-21swapper/007:10:030
172089911167,25cyclictest0-21swapper/011:06:570
172089911021,47cyclictest1408-21nginx10:56:220
172089910542,42cyclictest0-21swapper/007:36:020
172089910538,25cyclictest5398-21df_inode08:30:200
172089910343,43cyclictest17217-21apt-key11:20:140
172089910339,44cyclictest22038-21cron09:35:010
172089910127,19cyclictest27022-21apt09:55:010
172089910027,34cyclictest7654-21apt-config08:40:080
17208999954,25cyclictest0-21swapper/010:41:510
17208999938,28cyclictest3296-21aten_r7power_cu12:30:140
17208999930,49cyclictest10374-21runrttasks10:52:120
17208999838,24cyclictest10250irq/56-4a10000009:35:580
17208999827,19cyclictest25191-21apt-get11:51:320
17208999770,10cyclictest101ktimersoftd/010:06:430
17208999727,20cyclictest9204-21latency_hist08:45:050
17208999723,54cyclictest754-21systemd-journal10:34:080
17208999645,39cyclictest30071-21runrttasks08:00:330
17208999637,41cyclictest32740-21wget08:10:160
17208999625,19cyclictest12582-21ntp_states08:55:400
17208999615,61cyclictest28845-21grep10:00:140
17208999525,49cyclictest754-21systemd-journal09:29:070
17208999525,33cyclictest2585-21latency_hist08:20:010
17208999524,19cyclictest9206-21apt-get08:46:110
17208999523,32cyclictest2911-21df08:20:170
17208999518,22cyclictest26050-21aten_r7power_cu07:45:130
17208999459,17cyclictest22161-21cron07:30:000
17208999450,31cyclictest15461-21sshd09:07:080
17208999447,30cyclictest3650irq/20-4900000011:32:130
17208999425,37cyclictest23362-21/usr/sbin/munin11:40:510
17208999423,30cyclictest805-21rs:main0
17208999420,20cyclictest27646-21df09:55:240
17208999334,44cyclictest3650irq/20-4900000008:06:280
17208999233,41cyclictest4341-21ntp_states08:25:380
17208999220,18cyclictest28899-21ntp_states07:55:410
17208999148,31cyclictest2050-21aten_r7power_cu12:25:150
17208999147,33cyclictest17034-21seq11:20:080
17208999026,45cyclictest12067-21latency_hist08:55:000
17208998940,32cyclictest22648-21runrttasks07:30:370
17208998935,37cyclictest22190-21seq11:35:550
17208998926,21cyclictest18921-21diskstats11:25:240
17208998922,50cyclictest10250irq/56-4a10000010:25:150
17208998921,48cyclictest1305-21snmpd09:10:480
17208998921,22cyclictest28298-21wget12:00:370
17208998920,32cyclictest14680-21wget11:10:140
17208998917,51cyclictest8183-21/usr/sbin/munin10:45:240
17208998843,35cyclictest25392-21users07:40:490
17208998839,32cyclictest20012-21sshd07:20:210
17208998838,31cyclictest25190-21apt11:50:010
17208998814,37cyclictest29627-21df12:05:180
1720899876,51cyclictest10150irq/55-4a10000012:19:390
17208998735,40cyclictest1217-21apt-get10:17:100
17208998726,20cyclictest2010-21node09:49:470
17208998719,31cyclictest1305-21snmpd07:51:050
17208998712,39cyclictest1070-21load12:20:310
17208998646,30cyclictest31134-21ntpq12:11:000
17208998616,52cyclictest31714-21aten_r7power_po10:10:130
17208998534,40cyclictest17719-21/usr/sbin/munin09:15:450
17208998524,47cyclictest18590-21wget07:15:130
17208998444,29cyclictest27132-21seq11:55:210
17208998420,46cyclictest12661-21cut11:00:460
17208998328,39cyclictest24033-21runrttasks09:40:500
17208998323,41cyclictest5452-21sshd10:35:080
17208998313,51cyclictest1305-21snmpd09:21:310
17208998150,21cyclictest2789-21runrttasks10:24:240
17208998050,22cyclictest5056-21aten_r7power_vo12:35:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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