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2025-11-18 - 04:43
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack5slot7.osadl.org (updated Tue Nov 18, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3229224270,13sleep031309-1kworker/u3:017:37:220
36829910419,63cyclictest362-21users21:37:570
36829910316,66cyclictest3676-21ssh20:11:450
36829910214,24cyclictest8686-21ssh22:02:570
36829910213,27cyclictest16756-21ssh22:27:400
36829910212,41cyclictest1088-21/usr/sbin/munin21:41:420
36829910118,44cyclictest25557-21df21:16:580
36829910113,25cyclictest21448-21ssh22:42:130
36829910111,27cyclictest22290-21ssh21:07:100
36829910110,26cyclictest16665-21ssh20:50:360
36829910022,63cyclictest0-21swapper22:00:560
36829910016,22cyclictest29105-21memory21:27:290
36829910015,44cyclictest30072-21users23:07:570
3682999918,42cyclictest2297-21irqstats20:07:250
3682999917,61cyclictest27444-21memory21:22:250
3682999917,43cyclictest10566-21df_inode20:31:580
3682999916,62cyclictest9698-21df22:06:520
3682999915,23cyclictest31900-21users19:58:030
3682999912,47cyclictest14461-21apt-get22:21:390
3682999912,23cyclictest27587-21/usr/sbin/munin19:46:440
3682999911,67cyclictest31080-21sed21:32:490
3682999910,52cyclictest27388-21ssh23:01:080
3682999910,24cyclictest26443-21ssh19:42:270
3682999817,21cyclictest17844-21users20:52:580
3682999815,23cyclictest20735-21df19:11:390
3682999813,63cyclictest19244-21wc19:02:080
3682999812,67cyclictest11160-21ssh22:11:370
3682999812,64cyclictest13821-21df20:41:520
3682999810,66cyclictest5224-21switchtime21:52:470
3682999718,57cyclictest18723-21users22:32:570
3682999716,61cyclictest7139-21df20:21:520
3682999716,42cyclictest3299-21memory21:47:260
3682999715,51cyclictest0-21swapper20:40:590
3682999713,22cyclictest20448-21ssh22:38:180
3682999710,45cyclictest20082-21ssh21:00:560
3682999710,27cyclictest29004-21ssh23:06:060
3682999710,27cyclictest24449-21cat21:12:530
3682999629,51cyclictest0-21swapper20:03:250
3682999533,31cyclictest0-21swapper20:28:420
3682999529,44cyclictest5634-21interrupts20:17:140
3682999517,22cyclictest21182-21users21:02:590
3682999515,58cyclictest22957-21df_inode22:47:000
3682999515,22cyclictest29292-21apt-get19:51:330
3682999511,61cyclictest24172-21cut19:31:320
3682999416,43cyclictest10686-21grep18:16:350
3682999411,32cyclictest4494-21sed17:42:160
3682999318,55cyclictest13130-21df_inode22:16:590
3682999318,23cyclictest13516-21df18:31:400
3682999314,57cyclictest13193-21munin-run18:31:100
3682999314,21cyclictest20141-21wc19:07:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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