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2026-03-21 - 11:34
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot2.osadl.org (updated Sat Mar 21, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
226634422640,2sleep02266345-21ntpq22:50:500
225885422620,2sleep02258856-21sh22:25:000
226098622490,2sleep02260988-21grep22:31:190
220367822490,4chrt2203672-21ntp_states19:05:460
224266722460,4chrt2242665-21ld21:25:520
221894622420,2chrt22-21kcompactd020:00:420
220450699211183,18cyclictest2289672-21kworker/u2:000:40:060
222966322080,2sleep02229665-21latency_hist20:40:070
220450699203172,19cyclictest2270548-21kworker/u2:100:00:260
223107922000,2sleep02231081-21latency_hist20:45:070
220450699200170,18cyclictest2289672-21kworker/u2:000:20:060
220450699198168,18cyclictest2268996-21kworker/u2:023:05:070
220450699198167,19cyclictest2200295-21kworker/u2:019:15:020
220450699196166,18cyclictest2206338-21kworker/u2:219:20:020
220878421950,4chrt2208785-21latency_hist19:25:070
220450699192164,18cyclictest2235165-21kworker/u2:222:30:040
220450699190162,18cyclictest2289672-21kworker/u2:000:35:070
220450699190160,19cyclictest2270548-21kworker/u2:123:20:030
220450699190160,18cyclictest2270548-21kworker/u2:123:55:070
220450699189160,18cyclictest2270548-21kworker/u2:123:15:040
220450699189159,19cyclictest2270548-21kworker/u2:123:30:040
220450699188160,18cyclictest2235165-21kworker/u2:221:05:030
220450699188158,19cyclictest2270548-21kworker/u2:100:06:230
220450699187159,17cyclictest2270548-21kworker/u2:100:15:060
220450699187157,19cyclictest2289672-21kworker/u2:000:26:210
220450699187157,18cyclictest2270548-21kworker/u2:100:00:060
220450699186159,17cyclictest2270548-21kworker/u2:123:40:050
220450699186159,16cyclictest2235165-21kworker/u2:221:35:070
220450699186158,17cyclictest2218843-21kworker/u2:120:50:040
220450699186156,19cyclictest2215213-21kworker/u2:119:50:040
220450699186156,18cyclictest2218843-21kworker/u2:120:10:070
220450699186155,19cyclictest2289672-21kworker/u2:000:20:380
220450699185156,18cyclictest2270548-21kworker/u2:123:46:240
220450699184155,17cyclictest2218843-21kworker/u2:120:25:070
220450699184154,19cyclictest2235165-21kworker/u2:221:41:230
220450699184154,18cyclictest2279754-21kworker/u2:223:40:430
220450699183154,17cyclictest2260259-21kworker/u2:022:40:060
220450699183153,18cyclictest2235165-21kworker/u2:222:00:040
220450699183152,19cyclictest2212886-21kworker/u2:220:00:040
220450699182154,18cyclictest2218843-21kworker/u2:120:30:050
220450699182153,17cyclictest2260259-21kworker/u2:022:45:090
220450699182151,19cyclictest2235165-21kworker/u2:221:05:320
220450699178151,18cyclictest2235165-21kworker/u2:222:18:500
220450699178148,20cyclictest2218843-21kworker/u2:120:15:050
220450699177148,18cyclictest2235165-21kworker/u2:222:06:160
220450699176149,17cyclictest2270548-21kworker/u2:123:06:160
220450699175146,19cyclictest2206338-21kworker/u2:219:30:470
220450699172142,19cyclictest2218843-21kworker/u2:120:56:210
220450699172141,19cyclictest2235165-21kworker/u2:221:21:170
222276821710,4chrt2222769-21cpu20:15:120
220450699171142,17cyclictest2206338-21kworker/u2:219:25:470
220450699171140,19cyclictest2208699-21kworker/u2:019:35:330
220450699168139,18cyclictest2235165-21kworker/u2:221:40:020
220450699167139,18cyclictest2235165-21kworker/u2:221:20:050
226862421660,3chrt2268622-21systemctl23:00:050
220450699165137,17cyclictest2270548-21kworker/u2:123:30:370
220450699163134,18cyclictest2208699-21kworker/u2:019:45:020
220450699162133,16cyclictest2235165-21kworker/u2:222:05:040
220450699161130,18cyclictest2235165-21kworker/u2:221:10:320
220450699160130,18cyclictest2212886-21kworker/u2:219:55:060
225514621590,4chrt2255132-21ntpq22:10:450
220450699158129,17cyclictest2235165-21kworker/u2:221:45:440
220450699157128,17cyclictest2218843-21kworker/u2:120:31:190
220450699156126,17cyclictest2270548-21kworker/u2:123:20:370
220450699156125,20cyclictest2218843-21kworker/u2:120:55:060
220450699151122,19cyclictest2235165-21kworker/u2:221:50:470
220450699149119,19cyclictest2260259-21kworker/u2:022:45:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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