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2025-11-23 - 02:11
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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 Sun Nov 23, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10529623050,3chrt105297-21cat22:05:430
9555122750,2sleep095552-21/usr/sbin/munin21:37:010
6519022730,4chrt65192-21wc19:55:070
11361422630,3chrt113612-21diskstats22:30:260
15149522510,4chrt151484-21ntpq00:21:360
14465722510,2sleep0144658-21munin-node00:00:590
8477222480,3chrt84768-21apt-get21:05:130
13258422460,4chrt132580-21memory23:25:410
10740722450,3chrt106598-21/usr/sbin/munin22:11:540
6679322420,3chrt66794-21/usr/sbin/munin20:00:250
7578822370,3chrt75787-21/usr/sbin/munin20:31:230
13001922250,3chrt130018-21ssh23:18:010
5253399218190,18cyclictest140579-21kworker/u2:100:00:060
14772122170,2sleep0147723-21latency00:10:360
5253399207179,17cyclictest102951-21kworker/u2:322:55:310
9200622060,3sleep092008-21ps21:26:560
10073322040,2sleep0100734-21/usr/sbin/munin21:51:580
5253399193163,19cyclictest54393-21kworker/u2:319:50:040
5253399191162,18cyclictest97971-21kworker/u2:321:46:350
5253399191161,18cyclictest137144-21kworker/u2:300:10:040
5253399187158,18cyclictest135413-21kworker/u2:200:20:030
5253399184154,19cyclictest140579-21kworker/u2:123:50:100
5253399182152,18cyclictest76736-21kworker/u2:120:45:050
5253399181153,17cyclictest56732-21kworker/u2:119:30:050
5253399180150,19cyclictest84-21jbd2/mmcblk0p2-20:30:040
12386621790,4chrt123863-21diskstats23:00:240
5253399178149,20cyclictest100859-21kworker/u2:222:00:110
5253399177147,19cyclictest86023-21kworker/u2:021:15:050
5253399176148,18cyclictest102951-21kworker/u2:322:40:020
5253399176147,18cyclictest82318-21kworker/u2:121:00:020
5253399175145,19cyclictest54393-21kworker/u2:319:40:030
5618321730,2sleep056185-21switchtime19:21:200
5253399172143,19cyclictest102951-21kworker/u2:322:45:040
5253399172142,19cyclictest96120-21kworker/u2:121:45:040
5253399172141,20cyclictest84-21jbd2/mmcblk0p2-19:10:030
5253399171142,18cyclictest44059-21kworker/u2:019:20:040
5253399170142,16cyclictest84498-21kworker/u2:221:30:290
5253399170141,18cyclictest79050-21kworker/u2:220:55:030
5253399169140,19cyclictest100859-21kworker/u2:222:16:550
13899121690,3chrt138973-21ssh23:45:050
14144921680,4chrt141450-21ssh23:51:420
5253399167138,17cyclictest84498-21kworker/u2:221:20:080
5253399166137,19cyclictest70667-21kworker/u2:120:20:050
5253399166137,18cyclictest100859-21kworker/u2:222:21:580
5253399166136,18cyclictest72563-21kworker/u2:020:40:080
5253399166136,18cyclictest125180-21kworker/u2:223:15:100
5253399165135,19cyclictest84-21jbd2/mmcblk0p2-22:05:090
5253399164134,19cyclictest125180-21kworker/u2:223:06:590
5253399163134,17cyclictest63702-21kworker/u2:020:00:080
5253399162134,18cyclictest102951-21kworker/u2:322:46:570
5253399161128,21cyclictest153185-21sh00:26:340
5253399160130,19cyclictest153606-21kworker/u2:300:40:030
5253399159130,18cyclictest54393-21kworker/u2:319:31:210
11239121590,3chrt112390-21ssh22:26:320
5253399157127,19cyclictest135413-21kworker/u2:200:30:130
5253399157126,19cyclictest128323-21kworker/u2:323:30:320
5253399155127,17cyclictest67891-21kworker/u2:220:06:220
5253399154128,16cyclictest121536-21kworker/u2:122:55:070
5253399154122,19cyclictest84-21jbd2/mmcblk0p2-21:05:060
5253399153125,18cyclictest79050-21kworker/u2:220:46:180
5253399151122,18cyclictest52761-21kworker/u2:119:15:050
5253399149122,17cyclictest135413-21kworker/u2:223:40:100
5253399149121,17cyclictest125180-21kworker/u2:223:25:110
5253399146118,17cyclictest70667-21kworker/u2:120:25:040
5253399145114,20cyclictest84-21jbd2/mmcblk0p2-20:15:020
5253399138110,18cyclictest54393-21kworker/u2:319:40:100
5253399136107,18cyclictest84498-21kworker/u2:221:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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