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2025-11-15 - 11:37
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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 Sat Nov 15, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7403422950,2sleep074035-21sendmail19:20:020
13531322810,3sleep0135314-21sh22:38:480
14052522690,3sleep0140526-21sh22:54:120
13318122600,2sleep0133183-21xargs22:32:020
16149522590,3chrt29-21kswapd023:55:280
11914522520,4chrt119136-21ntp_states21:51:280
11612222420,3chrt116120-21users21:42:010
9671222320,3chrt96715-21cut20:40:270
8118322320,4chrt81182-21/usr/sbin/munin19:45:160
15542422200,2sleep0155428-21wc23:37:010
7208222150,2sleep072084-21switchtime19:11:200
7027922150,3sleep070280-21netstat19:05:280
7125299213179,22cyclictest166594-21cat00:10:280
7125299211182,19cyclictest116634-21kworker/u2:021:45:320
11060122070,3chrt110588-21ntp_states21:26:290
13738622050,2sleep0137387-21date22:45:110
7125299197166,19cyclictest114568-21kworker/u2:222:15:320
16905321960,2sleep0169054-21timerandwakeup00:17:010
14320521960,2sleep0143206-21gcc23:01:450
7125299194165,17cyclictest152271-21kworker/u2:300:00:290
7125299189160,18cyclictest104955-21kworker/u2:021:25:050
7125299186157,17cyclictest74064-21kworker/u2:219:30:050
16524021860,4chrt165242-21ssh00:06:120
7125299184155,18cyclictest152271-21kworker/u2:300:40:020
10225221840,3chrt102253-21/usr/sbin/munin21:00:240
7125299183153,19cyclictest106063-21kworker/u2:321:30:310
7125299182152,19cyclictest140141-21kworker/u2:123:00:050
7125299182152,18cyclictest118457-21kworker/u2:121:55:300
7125299180150,18cyclictest114568-21kworker/u2:222:05:120
7125299179148,19cyclictest79644-21kworker/u2:120:00:050
7125299177147,19cyclictest94902-21kworker/u2:121:20:020
12932421770,3chrt22-21kcompactd022:21:000
7125299176149,16cyclictest152271-21kworker/u2:323:46:530
12589921710,4chrt125894-21ntpq22:11:120
7125299167139,17cyclictest90385-21kworker/u2:020:25:050
7125299167137,18cyclictest85222-21kworker/u2:020:10:060
10352521670,3chrt103524-21grep21:05:160
7125299166138,18cyclictest121618-21kworker/u2:022:06:550
9577121650,4chrt95769-21mailstats20:36:200
13822321650,4chrt138226-21mailstats22:46:560
9267021640,3chrt92671-21collect220:25:400
8851321630,4chrt88510-21ntpq20:10:450
7125299163135,18cyclictest104955-21kworker/u2:021:15:040
7125299163134,18cyclictest152271-21kworker/u2:300:25:300
7544021590,2sleep075444-21cut19:25:010
7125299159129,19cyclictest94902-21kworker/u2:120:46:210
7125299157130,17cyclictest152271-21kworker/u2:323:45:090
7125299156127,18cyclictest130026-21kworker/u2:022:25:270
7125299156124,20cyclictest126848-21kworker/u2:323:05:120
7125299155127,17cyclictest126848-21kworker/u2:323:11:570
7125299153123,19cyclictest161196-21kworker/u2:200:21:320
7125299153122,19cyclictest99647-21kworker/u2:220:55:120
7125299152123,18cyclictest79644-21kworker/u2:120:05:060
7125299151122,19cyclictest152271-21kworker/u2:323:35:060
7125299151122,18cyclictest82439-21kworker/u2:319:55:050
7125299150122,17cyclictest152271-21kworker/u2:323:50:280
7125299150120,19cyclictest147489-21kworker/u2:123:15:260
7125299150120,18cyclictest98124-21kworker/u2:020:50:380
7125299149121,18cyclictest74064-21kworker/u2:219:45:050
7125299149121,17cyclictest106063-21kworker/u2:321:38:420
7125299148120,17cyclictest74064-21kworker/u2:219:35:040
7125299147118,18cyclictest152271-21kworker/u2:300:30:550
7125299146116,19cyclictest126848-21kworker/u2:323:20:140
7125299146116,18cyclictest74064-21kworker/u2:219:35:120
7125299145118,16cyclictest152271-21kworker/u2:323:30:060
7125299145117,19cyclictest90385-21kworker/u2:020:34:410
7125299134107,17cyclictest79644-21kworker/u2:120:15:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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