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2026-04-03 - 17:46
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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 376 highest latencies:
System rack3slot2.osadl.org (updated Fri Apr 03, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40349326350,4sleep0403494-21ls07:10:010
40350399313284,18cyclictest411897-21kworker/u2:307:40:020
40350399272237,22cyclictest412538-21ntpq07:41:020
43747422670,4chrt437462-21ntpq09:10:390
40350399267236,20cyclictest29-21kswapd007:46:030
45003522550,3chrt450032-21ntpq09:55:440
47808922530,3chrt478090-21open_inodes11:36:140
40350399243209,22cyclictest414938-21/usr/sbin/munin07:50:200
43192922290,4chrt431924-21ntpq08:50:450
40350399219189,18cyclictest432043-21kworker/u2:209:05:030
49461522080,2sleep0494617-21ntp_kernel_pll_12:35:360
40350399204174,18cyclictest432043-21kworker/u2:209:00:030
40350399202174,16cyclictest420278-21kworker/u2:108:45:070
40350399201173,17cyclictest476060-21kworker/u2:011:45:080
40444822000,3sleep0404446-21vmstat07:11:240
40350399200172,17cyclictest406746-21kworker/u2:208:05:070
40350399199172,17cyclictest480702-21kworker/u2:112:20:020
45661521970,2sleep0456616-21latency_hist10:20:080
40350399196167,17cyclictest420278-21kworker/u2:108:30:040
40350399196166,19cyclictest451907-21kworker/u2:110:30:070
48169821940,2sleep0481700-21sort11:50:070
40350399194166,18cyclictest406746-21kworker/u2:208:00:030
40350399194165,18cyclictest440235-21kworker/u2:109:30:060
40350399193163,18cyclictest440235-21kworker/u2:109:50:070
40350399193163,18cyclictest420278-21kworker/u2:108:25:040
40350399192165,17cyclictest420278-21kworker/u2:108:50:070
40350399192164,17cyclictest458332-21kworker/u2:211:10:070
40350399192163,18cyclictest440235-21kworker/u2:109:45:020
40350399191162,18cyclictest480702-21kworker/u2:112:20:420
40350399190160,18cyclictest440235-21kworker/u2:109:35:060
40350399188159,17cyclictest469473-21kworker/u2:111:20:080
40350399187159,17cyclictest458332-21kworker/u2:210:55:030
40350399187157,18cyclictest480702-21kworker/u2:112:10:320
40350399186157,17cyclictest458332-21kworker/u2:210:35:070
40350399186156,19cyclictest458332-21kworker/u2:211:00:380
40350399185157,17cyclictest480702-21kworker/u2:112:25:320
40350399185157,17cyclictest436096-21kworker/u2:009:20:070
40350399185155,18cyclictest420278-21kworker/u2:108:20:020
40350399184155,17cyclictest480702-21kworker/u2:112:10:020
40350399183155,17cyclictest404893-21kworker/u2:007:20:080
40350399183154,18cyclictest406746-21kworker/u2:208:09:590
40350399183153,18cyclictest480702-21kworker/u2:111:55:320
40350399183153,18cyclictest469473-21kworker/u2:111:35:060
40350399183150,22cyclictest435725-40mandb09:05:570
40350399182153,18cyclictest448142-21kworker/u2:210:01:180
40350399182152,19cyclictest406746-21kworker/u2:207:35:020
40350399180153,18cyclictest440235-21kworker/u2:109:40:000
40350399180151,18cyclictest458332-21kworker/u2:210:55:320
40350399180150,18cyclictest480702-21kworker/u2:112:31:170
40350399180148,21cyclictest473268-21kworker/u2:011:25:060
40350399179150,18cyclictest469473-21kworker/u2:111:15:020
40350399179148,19cyclictest406746-21kworker/u2:208:10:120
40350399179146,21cyclictest480702-21kworker/u2:111:50:320
40350399177149,18cyclictest406746-21kworker/u2:207:25:080
40350399176145,19cyclictest440235-21kworker/u2:109:51:180
46243821740,4chrt462440-21ls10:40:260
40350399173143,18cyclictest420278-21kworker/u2:108:31:080
40350399172145,17cyclictest440235-21kworker/u2:109:21:160
40350399172144,18cyclictest469473-21kworker/u2:111:26:220
40350399172141,20cyclictest480702-21kworker/u2:112:00:320
40350399171143,18cyclictest451907-21kworker/u2:110:10:430
45287321700,4chrt452870-21ntpq10:05:540
40350399170141,18cyclictest451907-21kworker/u2:110:21:180
40350399169140,17cyclictest458332-21kworker/u2:210:45:070
40350399166139,17cyclictest458332-21kworker/u2:210:40:010
40350399162135,17cyclictest420278-21kworker/u2:108:35:430
40350399161133,17cyclictest406746-21kworker/u2:207:20:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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