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2026-06-10 - 01:51
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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 Wed Jun 10, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9499122610,2sleep094992-21grep23:15:140
7765222520,3chrt77653-21timerwakeupswit22:11:210
3281822410,3chrt32814-21ps19:31:150
5519822370,3chrt55196-21systemctl20:51:180
2845222190,4chrt28449-21ntpq19:15:430
7860422060,3chrt78605-21ld22:15:370
9819322010,3chrt98183-21ntpq23:25:530
10488921990,3chrt104887-21if_wlan023:50:230
2655699198167,20cyclictest68360-21kworker/u2:022:30:040
4378621970,2sleep043787-21ld20:10:450
7464121930,3sleep074643-21proc_pri22:01:150
2655699189159,20cyclictest111209-21kworker/u2:100:20:030
2655699189159,19cyclictest34008-21kworker/u2:219:50:030
4750621880,3sleep047508-21sort20:25:060
2655699186154,22cyclictest50251-21kworker/u2:220:40:060
2655699185154,19cyclictest56294-21kworker/u2:221:31:230
2655699184153,19cyclictest48845-21kworker/u2:020:45:060
5669421830,2sleep056697-21grep20:56:200
4100521810,4chrt41006-21ntpq20:00:430
5805221800,2sleep058053-21switchtime21:01:190
2655699180150,20cyclictest68360-21kworker/u2:021:55:060
2655699179147,20cyclictest34008-21kworker/u2:220:15:370
8418821770,4chrt84183-21ntpq22:35:400
2655699177147,20cyclictest48845-21kworker/u2:020:50:040
9130021740,3chrt91298-21ntp_states23:01:060
7348821740,4chrt73487-21/usr/sbin/munin21:56:220
2733821740,4chrt27337-21systemctl19:11:160
2655699174143,20cyclictest56294-21kworker/u2:221:06:190
6071121720,2sleep060712-21rt-features21:11:160
2655699172143,18cyclictest96740-21kworker/u2:223:35:060
2655699172141,20cyclictest68360-21kworker/u2:023:10:040
2655699171139,20cyclictest96740-21kworker/u2:223:45:060
2655699170140,19cyclictest68360-21kworker/u2:021:45:070
2655699170140,19cyclictest48845-21kworker/u2:020:30:310
2655699169139,20cyclictest68360-21kworker/u2:023:00:050
11578521680,3chrt115786-21cat00:30:290
4791921670,4chrt47918-21ld20:25:340
2655699167137,19cyclictest105986-21kworker/u2:100:05:030
2655699166135,19cyclictest56294-21kworker/u2:221:40:040
2655699165137,18cyclictest27950-21kworker/u2:019:20:360
2655699165133,20cyclictest68360-21kworker/u2:023:15:040
2655699164135,18cyclictest114497-21kworker/u2:200:30:010
2655699164134,19cyclictest56294-21kworker/u2:221:50:040
2655699164133,19cyclictest96740-21kworker/u2:200:10:340
2655699163130,20cyclictest96740-21kworker/u2:223:35:270
2655699162131,19cyclictest96740-21kworker/u2:200:10:040
2655699161131,20cyclictest114497-21kworker/u2:200:35:090
2655699160131,18cyclictest111209-21kworker/u2:100:20:540
2655699159129,19cyclictest68360-21kworker/u2:022:40:380
2655699158126,20cyclictest68360-21kworker/u2:022:05:240
2655699157126,20cyclictest25651-21kworker/u2:219:10:060
2655699155127,19cyclictest105986-21kworker/u2:100:00:070
2655699155125,19cyclictest68360-21kworker/u2:022:55:070
2655699153122,20cyclictest56294-21kworker/u2:221:20:320
2655699152122,19cyclictest56294-21kworker/u2:221:20:000
2655699151121,20cyclictest34008-21kworker/u2:219:45:030
2655699151120,19cyclictest32136-21kworker/u2:019:35:140
2655699149118,19cyclictest34008-21kworker/u2:219:50:130
2655699148116,20cyclictest96740-21kworker/u2:223:21:190
2655699145116,19cyclictest68360-21kworker/u2:022:46:180
2655699145115,19cyclictest56294-21kworker/u2:221:25:310
2655699142111,20cyclictest68360-21kworker/u2:022:21:150
2655699141114,18cyclictest96740-21kworker/u2:223:50:030
2655699141112,19cyclictest30147-21kworker/u2:119:30:040
2655699139109,19cyclictest34008-21kworker/u2:220:00:030
2655699136106,19cyclictest68360-21kworker/u2:022:30:320
2655699132101,20cyclictest34008-21kworker/u2:220:06:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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