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2026-06-05 - 16:47
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Fri Jun 05, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158899930091414,0cyclictest0-21swapper07:00:330
15889992682255,0cyclictest21031-1kworker/0:1H08:05:020
15889992673532,0cyclictest24774-21cron07:25:020
15889992641291,0cyclictest21031-1kworker/0:1H11:25:020
15889992640219,0cyclictest21031-1kworker/0:1H08:45:020
15889992627502,0cyclictest9-21ksoftirqd/011:00:010
15889992608200,0cyclictest21031-1kworker/0:1H10:55:010
15889992594519,0cyclictest11950-21cron08:20:010
15889992556735,0cyclictest19184-21cat08:40:020
15889992526542,0cyclictest1595-21jbd2/hda3-812:15:020
15889992503585,0cyclictest9-21ksoftirqd/009:35:020
15889992481536,0cyclictest9-21ksoftirqd/010:35:020
15889992474529,0cyclictest9-21ksoftirqd/010:00:020
15889992430240,0cyclictest21031-1kworker/0:1H07:50:060
15889992418587,0cyclictest9-21ksoftirqd/009:40:020
15889992406237,0cyclictest21031-1kworker/0:1H07:20:020
15889992389654,0cyclictest9-21ksoftirqd/008:55:020
15889992352212,0cyclictest21031-1kworker/0:1H09:10:060
15889992349567,0cyclictest9-21ksoftirqd/011:35:020
15889992339771,0cyclictest11638-21sendmail_mailtr09:50:050
15889992331645,0cyclictest9-21ksoftirqd/010:40:030
15889992321206,0cyclictest21031-1kworker/0:1H11:20:010
15889992315605,0cyclictest30410-21latency_hist10:45:020
15889992312581,0cyclictest15638-21munin-node08:30:060
15889992262271,0cyclictest21031-1kworker/0:1H08:10:050
15889992169255,0cyclictest21031-1kworker/0:1H09:25:030
15889992167493,0cyclictest9-21ksoftirqd/007:35:020
15889992123193,0cyclictest21031-1kworker/0:1H11:45:020
15889992033269,0cyclictest21031-1kworker/0:1H07:40:020
15889992033253,0cyclictest21031-1kworker/0:1H07:30:050
15889992001222,0cyclictest21031-1kworker/0:1H09:15:020
15889991961469,0cyclictest4207-21snmpd09:05:010
15889991930212,0cyclictest21031-1kworker/0:1H07:05:010
15889991904214,0cyclictest21031-1kworker/0:1H10:15:020
15889991900639,0cyclictest9-21ksoftirqd/011:50:050
15889991872211,0cyclictest21031-1kworker/0:1H07:10:060
15889991847528,0cyclictest9-21ksoftirqd/010:10:060
15889991831251,0cyclictest21031-1kworker/0:1H08:50:110
15889991763463,0cyclictest9-21ksoftirqd/011:10:050
15889991722627,0cyclictest9869-21runrttasks09:45:020
15889991713536,0cyclictest9-21ksoftirqd/009:30:050
15889991665483,0cyclictest9-21ksoftirqd/010:50:070
15889991660559,0cyclictest13728-21cron08:25:020
15889991627199,0cyclictest21031-1kworker/0:1H07:55:020
158899916271219,0cyclictest21031-1kworker/0:1H08:17:090
15889991596565,0cyclictest17550-21cron11:40:020
1588999154329,0cyclictest21031-1kworker/0:1H07:17:040
15889991527341,0cyclictest9-21ksoftirqd/008:37:070
15889991485613,0cyclictest9-21ksoftirqd/011:30:090
15889991475215,0cyclictest4450-21runrttasks10:32:090
15889991457532,0cyclictest9-21ksoftirqd/008:02:080
1588999145728,0cyclictest21031-1kworker/0:1H10:22:210
15889991456613,0cyclictest31882-21munin-node12:20:030
1588999145282,0cyclictest21031-1kworker/0:1H12:02:100
15889991442381,0cyclictest9-21ksoftirqd/009:57:080
15889991442230,0cyclictest21031-1kworker/0:1H11:05:010
10114340,0rcuc/014031-21cron06:54:560
15889991418237,0cyclictest21031-1kworker/0:1H10:25:020
15889991415191,0cyclictest9-21ksoftirqd/007:47:000
1588999141427,0cyclictest21031-1kworker/0:1H09:02:120
1588999140028,0cyclictest21031-1kworker/0:1H11:17:030
15889991396205,0cyclictest21031-1kworker/0:1H11:55:020
15889991377240,0cyclictest21031-1kworker/0:1H12:07:170
15889991370332,0cyclictest9-21ksoftirqd/012:12:090
15889991346200,0cyclictest0-21swapper09:22:060
15889991345319,0cyclictest9-21ksoftirqd/012:27:040
15889991288475,0cyclictest9-21ksoftirqd/010:07:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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