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2026-01-03 - 17:04
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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 792 highest latencies:
System rack3slot2.osadl.org (updated Sat Jan 03, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235770322670,4chrt2357706-21ntp_kernel_err09:05:310
238400622600,3sleep02384004-21if_eth010:40:220
234610222590,2sleep02346103-21latency_hist08:25:010
232515499252221,19cyclictest2325161-21kworker/u2:207:39:500
239586122470,3chrt2395859-21users11:21:210
240654022310,3chrt2406537-21ntpq12:00:370
232515499214188,17cyclictest2382777-21kworker/u2:211:50:320
232515499213184,17cyclictest2382777-21kworker/u2:211:10:060
232515499209178,19cyclictest2353463-21kworker/u2:109:15:130
232515499206174,20cyclictest2373984-21kworker/u2:010:20:430
232515499204173,20cyclictest2332123-21kworker/u2:108:06:200
238537922020,2sleep02385380-21sh10:45:150
232515499200171,18cyclictest2347508-21kworker/u2:008:46:200
236570721980,2sleep02365709-21wc09:35:070
232515499197166,19cyclictest2332123-21kworker/u2:108:00:140
232515499197165,20cyclictest2380944-21kworker/u2:110:40:070
232515499195165,19cyclictest2405109-21kworker/u2:112:10:370
232515499191161,19cyclictest2382777-21kworker/u2:211:40:340
232515499188158,18cyclictest2382777-21kworker/u2:211:46:200
232515499188157,20cyclictest2344752-21kworker/u2:308:35:020
232515499188157,19cyclictest2373984-21kworker/u2:010:30:050
232515499187158,18cyclictest2373984-21kworker/u2:010:15:370
232515499187157,19cyclictest2347508-21kworker/u2:008:45:010
232515499185157,19cyclictest2382777-21kworker/u2:211:31:190
232515499185155,18cyclictest2382777-21kworker/u2:211:10:360
232515499184155,18cyclictest2412090-21kworker/u2:012:30:390
234314321830,3chrt2343142-21sshd08:13:400
232515499183152,20cyclictest2353463-21kworker/u2:108:55:030
232515499183152,19cyclictest2369810-21kworker/u2:210:00:010
232515499183152,19cyclictest2325161-21kworker/u2:207:40:120
232515499181152,18cyclictest2366093-21kworker/u2:009:40:120
232515499181151,19cyclictest2325161-21kworker/u2:207:31:180
232515499180152,19cyclictest2373984-21kworker/u2:010:31:180
232515499180148,20cyclictest2369810-21kworker/u2:210:10:050
232515499178147,20cyclictest2325161-21kworker/u2:207:26:180
232515499178147,20cyclictest2322825-21kworker/u2:107:10:140
236239121770,4chrt2361569-21/usr/sbin/munin09:21:250
232515499177146,19cyclictest2382777-21kworker/u2:211:25:360
232515499175144,19cyclictest2382777-21kworker/u2:211:56:180
232515499174144,17cyclictest2382777-21kworker/u2:211:35:140
232515499173144,19cyclictest2405109-21kworker/u2:112:25:130
232515499173143,19cyclictest2347508-21kworker/u2:008:40:010
232515499172143,18cyclictest2405109-21kworker/u2:112:16:190
236616321710,4chrt2366164-21collect209:35:540
232515499170141,19cyclictest2353463-21kworker/u2:109:11:190
232515499170141,19cyclictest2332123-21kworker/u2:108:20:030
232515499169138,20cyclictest2382777-21kworker/u2:211:20:020
241635621660,3chrt2416353-21ntpq12:35:520
232844121660,4chrt2328438-21ntpq07:20:390
232515499165136,18cyclictest2405109-21kworker/u2:112:21:170
232515499164132,19cyclictest2382777-21kworker/u2:211:00:120
232515499163134,19cyclictest2322825-21kworker/u2:107:10:020
232515499163132,19cyclictest2361450-21kworker/u2:009:25:330
232515499161132,18cyclictest2405109-21kworker/u2:112:05:320
232515499161131,19cyclictest2382777-21kworker/u2:210:55:060
232515499156128,18cyclictest2325161-21kworker/u2:207:20:060
232515499156127,19cyclictest2332123-21kworker/u2:107:45:370
232515499154125,19cyclictest2332123-21kworker/u2:107:55:320
232515499153124,18cyclictest2369810-21kworker/u2:210:00:370
232515499152124,18cyclictest2353463-21kworker/u2:109:00:010
232515499149120,18cyclictest2382777-21kworker/u2:210:56:110
232515499147117,19cyclictest2369810-21kworker/u2:210:10:370
232515499147117,19cyclictest2353463-21kworker/u2:109:00:440
232515499144115,18cyclictest2344752-21kworker/u2:308:30:040
232515499143113,19cyclictest2332123-21kworker/u2:107:50:230
232515499140110,19cyclictest2366093-21kworker/u2:009:46:180
232515499134105,19cyclictest2366093-21kworker/u2:009:50:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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