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2026-01-12 - 02:12
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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 highest latencies:
System rack3slot2.osadl.org (updated Mon Jan 12, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238383422750,3chrt2383829-21ntpq23:55:550
237439322590,3sleep02374394-21xargs23:21:190
239546922500,3chrt2395468-21sendmail-msp00:40:010
237959422390,4chrt2379589-21ntpq23:40:390
234473822270,3chrt2344736-21ld21:35:340
238592022190,2sleep02385921-21/usr/sbin/munin00:05:140
233741122080,2sleep02337412-21date21:10:060
230294822080,3sleep02302950-21ntpq19:05:320
232654522040,2sleep02326546-21cat20:30:260
239305821980,3sleep02393059-21/usr/sbin/munin00:30:290
230388199198165,20cyclictest2309465-21kworker/u2:119:51:170
230388199196167,18cyclictest2358217-21kworker/u2:222:30:020
230388199194166,16cyclictest2360021-21kworker/u2:122:31:190
230388199194165,19cyclictest2324789-21kworker/u2:220:40:370
232363821870,2sleep02323639-21/usr/sbin/munin20:20:200
230388199185158,18cyclictest2349847-21kworker/u2:122:01:190
230596121830,3chrt2305962-21ps19:16:170
230388199182152,19cyclictest2294314-21kworker/u2:219:30:390
230388199181150,19cyclictest2360021-21kworker/u2:122:35:140
230388199181149,20cyclictest2364271-21kworker/u2:223:00:370
230388199180148,21cyclictest2364271-21kworker/u2:223:05:370
230388199179150,18cyclictest2349847-21kworker/u2:121:55:060
230388199179149,19cyclictest2372129-21kworker/u2:123:46:190
230388199177147,19cyclictest2319617-21kworker/u2:020:11:200
230388199176149,17cyclictest2333622-21kworker/u2:121:25:120
230388199176147,19cyclictest2369356-21kworker/u2:023:16:140
230388199176145,20cyclictest2333622-21kworker/u2:121:20:320
237118021740,4chrt2371177-21ntpq23:10:290
230388199174143,19cyclictest2351276-21kworker/u2:022:25:070
230388199173143,19cyclictest2372129-21kworker/u2:123:30:060
230388199171141,19cyclictest2372129-21kworker/u2:100:00:160
238226521690,4chrt2382264-21/usr/sbin/munin23:50:280
231422721690,4chrt2314224-21ntpq19:45:560
230388199168140,19cyclictest2324789-21kworker/u2:220:45:110
230388199168140,19cyclictest2309465-21kworker/u2:120:00:380
230388199168137,20cyclictest2372129-21kworker/u2:100:10:480
230388199168137,19cyclictest2333622-21kworker/u2:121:15:120
230388199167137,18cyclictest2364271-21kworker/u2:222:50:370
230388199165135,19cyclictest2351276-21kworker/u2:022:20:070
230388199163133,19cyclictest2372129-21kworker/u2:100:16:130
230388199161131,19cyclictest2360021-21kworker/u2:122:40:360
230388199159129,19cyclictest2294314-21kworker/u2:219:10:370
230388199155131,15cyclictest2324789-21kworker/u2:220:36:170
230388199153123,19cyclictest2309465-21kworker/u2:119:55:220
230388199152123,19cyclictest2349847-21kworker/u2:122:05:120
230388199148118,19cyclictest2333622-21kworker/u2:121:00:460
230388199145115,19cyclictest2345692-21kworker/u2:221:45:380
230388199145111,23cyclictest2321990-21kworker/u2:120:25:510
230388199144115,18cyclictest2309465-21kworker/u2:119:41:160
231158121420,2sleep02311583-21grep19:36:170
230388199142113,18cyclictest2372129-21kworker/u2:123:35:120
230388199141111,20cyclictest2333622-21kworker/u2:121:40:360
230388199141111,19cyclictest2372129-21kworker/u2:123:30:320
239057121400,3sleep02390572-21awk00:21:150
230388199140109,19cyclictest2333622-21kworker/u2:121:00:080
230388199139110,18cyclictest2294314-21kworker/u2:219:25:380
230388199137107,20cyclictest2333622-21kworker/u2:121:30:460
230388199135106,19cyclictest2349847-21kworker/u2:121:56:190
230388199134106,17cyclictest2319617-21kworker/u2:020:18:440
230388199134104,19cyclictest2294314-21kworker/u2:219:20:380
230388199133103,20cyclictest2324789-21kworker/u2:220:51:170
230388199133103,19cyclictest2333622-21kworker/u2:121:10:320
230388199132106,18cyclictest2364271-21kworker/u2:222:45:480
23038819912897,18cyclictest2364271-21kworker/u2:222:55:090
23038819912596,19cyclictest2351276-21kworker/u2:022:10:320
23038819912392,20cyclictest2319617-21kworker/u2:020:05:380
23038819910777,19cyclictest2391293-21kworker/u2:000:30:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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