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2025-12-02 - 11:52
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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 Tue Dec 02, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60719723160,4chrt607192-21munin-run22:55:010
64121622710,3chrt641218-21wc00:35:090
56672022520,2sleep0566721-21cat20:51:230
54387122460,2sleep0543873-21awk19:30:320
58243022440,3chrt366-21snmpd21:41:480
63785922430,4chrt637861-21latency_hist00:25:100
57329822430,4chrt573297-21grep21:15:160
63849922420,3chrt638498-21ld00:26:350
59235122350,4chrt592348-21ntpq22:10:430
62760422300,3chrt627602-21ssh23:54:460
60481922300,3sleep0604822-21awk22:47:000
58071622260,4chrt580717-21ld21:36:500
62107422090,2sleep0621075-21df23:35:190
61658922050,2sleep0616585-21ps23:21:540
58606522000,3sleep0586067-21cat21:52:020
53784899194162,20cyclictest548065-21kworker/u2:220:00:050
53784899188156,20cyclictest544205-21kworker/u2:019:40:050
53784899186156,19cyclictest624036-21kworker/u2:223:50:040
53784899185154,19cyclictest583337-21kworker/u2:222:55:290
53784899183155,20cyclictest632242-21kworker/u2:300:20:020
61504421810,3sleep0615047-21grep23:17:000
61296221780,3chrt612960-21ld23:11:120
53784899178147,21cyclictest622037-21kworker/u2:100:00:090
53784899175145,19cyclictest558935-21kworker/u2:020:40:040
53784899174144,19cyclictest568985-21kworker/u2:121:05:050
53784899174144,19cyclictest529256-21kworker/u2:119:20:050
53784899174142,20cyclictest622037-21kworker/u2:100:00:450
53784899173143,19cyclictest557244-21kworker/u2:220:20:040
63120721720,4chrt631205-21sshd00:05:200
61813121720,4chrt617578-21/usr/sbin/munin23:26:220
58505321700,4chrt585052-21systemctl21:50:040
53784899169144,17cyclictest564847-21kworker/u2:120:50:040
64152221680,4chrt641525-21kernelversion00:35:360
53784899168139,19cyclictest583337-21kworker/u2:222:01:580
53784899168137,20cyclictest595082-21kworker/u2:022:45:040
63345421670,3chrt633439-21ntpq00:11:460
53784899167137,20cyclictest557244-21kworker/u2:221:00:050
61227121660,3chrt612272-21sshd23:09:500
61979021650,3chrt619773-21ntpq23:31:140
53784899165135,18cyclictest583337-21kworker/u2:222:31:350
57692621620,4chrt576928-21sort21:25:390
53784899161132,19cyclictest583337-21kworker/u2:223:05:080
55370521600,4chrt553702-21ntpq20:05:470
53784899160131,19cyclictest549502-21kworker/u2:019:55:040
53784899160129,20cyclictest84-21jbd2/mmcblk0p2-21:15:060
53817221590,2sleep0538170-21kernelversion19:10:260
53784899159128,19cyclictest577731-21kworker/u2:322:16:460
53784899151124,17cyclictest571385-21kworker/u2:021:31:550
53784899147118,18cyclictest583337-21kworker/u2:222:35:300
53784899146115,20cyclictest577731-21kworker/u2:321:55:140
53784899145115,20cyclictest557244-21kworker/u2:220:21:220
53784899144113,20cyclictest577731-21kworker/u2:322:05:300
53784899141112,18cyclictest529256-21kworker/u2:119:25:040
53784899139111,18cyclictest548065-21kworker/u2:220:05:040
53784899138108,19cyclictest553551-21kworker/u2:020:15:040
53784899137107,19cyclictest577731-21kworker/u2:322:26:540
53784899135105,20cyclictest557244-21kworker/u2:220:35:060
53784899133105,18cyclictest558935-21kworker/u2:020:41:220
53784899132102,19cyclictest568985-21kworker/u2:121:25:110
53784899131102,19cyclictest557244-21kworker/u2:220:26:210
54667721290,3sleep0546678-21/usr/sbin/munin19:40:320
5378489912999,19cyclictest548065-21kworker/u2:219:45:420
5378489912796,20cyclictest595082-21kworker/u2:022:21:350
5378489912090,20cyclictest619489-21kworker/u2:023:40:590
5378489911385,19cyclictest84-21jbd2/mmcblk0p2-21:05:460
5378489910878,19cyclictest529256-21kworker/u2:119:27:300
5378489910274,17cyclictest534090-21kworker/u2:219:10:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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