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2026-05-23 - 16:31
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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 May 23, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
406238522520,2sleep04062387-21ls09:30:270
406688322440,3chrt4066886-21grep09:46:150
402295499240209,19cyclictest4030983-21kworker/u2:007:45:240
406782322360,4chrt4067713-21/usr/sbin/munin09:50:210
408800522230,3sleep04088006-21ls11:01:200
406513522090,2sleep04065139-21kernelversion09:40:260
403641622080,2sleep04036419-21wc07:56:220
403732322060,3sleep04037326-21grep08:00:280
404296622030,3sleep04042964-21ntp_kernel_err08:20:300
402295499198169,18cyclictest4017351-21kworker/u2:207:11:170
402295499197158,26cyclictest4031013-31find07:37:130
402295499196165,19cyclictest4066202-21kworker/u2:010:11:180
410736721920,2sleep04107370-21cut12:11:150
402295499188160,17cyclictest4087093-21kworker/u2:211:20:040
402295499188157,19cyclictest4043918-21kworker/u2:008:40:040
403002621840,2sleep04030028-21grep07:35:080
407633321830,4chrt4076332-21/usr/sbin/munin10:20:280
402295499183151,20cyclictest4043918-21kworker/u2:008:55:080
402295499182151,19cyclictest4070385-21kworker/u2:110:05:030
402295499181153,19cyclictest4105188-21kworker/u2:112:30:050
409744921790,4chrt4097448-21sshd11:36:070
402578621790,4chrt4025788-21latency_hist07:20:060
402295499179148,19cyclictest4055058-21kworker/u2:109:15:040
410666121770,3chrt4106663-21latency_hist12:10:060
402295499177147,19cyclictest4073155-21kworker/u2:210:45:040
402295499177147,18cyclictest4066202-21kworker/u2:010:10:030
402295499176145,19cyclictest4043918-21kworker/u2:008:41:190
402295499173142,21cyclictest29-21kswapd007:41:030
402295499173142,20cyclictest4095438-21kworker/u2:111:50:020
402295499172141,19cyclictest4059246-21kworker/u2:209:25:040
402295499171141,19cyclictest4105188-21kworker/u2:112:35:070
402295499171140,20cyclictest4040171-21kworker/u2:108:30:140
402295499170141,19cyclictest4101008-21kworker/u2:012:00:120
402295499170138,20cyclictest4084789-21kworker/u2:111:05:120
406393221690,4chrt4063929-21ntpq09:35:480
410989521680,4chrt4109892-21ntpq12:20:470
403864321680,4chrt4038641-21interrupts08:05:250
402295499168139,19cyclictest4040171-21kworker/u2:108:26:210
402295499168137,20cyclictest4068102-21kworker/u2:209:55:130
402295499168136,20cyclictest4095438-21kworker/u2:111:40:120
404142221670,4chrt4041423-21uname08:15:250
402295499167137,19cyclictest4084789-21kworker/u2:111:00:000
402295499166137,19cyclictest4087093-21kworker/u2:211:26:190
402295499166137,19cyclictest4087093-21kworker/u2:211:25:040
402295499166135,20cyclictest4043918-21kworker/u2:008:46:190
402295499164133,20cyclictest4113543-21kworker/u2:212:40:050
402295499164132,20cyclictest4036047-21kworker/u2:008:10:140
402295499163131,20cyclictest4024349-21kworker/u2:107:25:060
402295499161132,18cyclictest4034169-21kworker/u2:207:55:080
402295499161131,19cyclictest4105188-21kworker/u2:112:16:190
402295499161128,20cyclictest4052262-21kworker/u2:209:00:140
402295499158129,19cyclictest4073155-21kworker/u2:210:20:030
402295499158127,20cyclictest4095438-21kworker/u2:111:55:040
402295499157127,19cyclictest4060647-21kworker/u2:009:30:040
402295499157126,19cyclictest4073155-21kworker/u2:210:30:140
402295499155128,17cyclictest4043918-21kworker/u2:009:06:190
402295499152122,19cyclictest4082912-21kworker/u2:010:55:000
402295499149121,18cyclictest4052262-21kworker/u2:208:56:230
402295499148121,18cyclictest4073155-21kworker/u2:210:45:280
402295499145115,19cyclictest4073155-21kworker/u2:210:36:080
402295499143114,18cyclictest4087093-21kworker/u2:211:15:020
402295499142114,20cyclictest4024349-21kworker/u2:107:25:310
402295499139111,17cyclictest83-21jbd2/mmcblk0p2-11:30:320
402295499139109,19cyclictest4073155-21kworker/u2:210:26:180
402295499138107,20cyclictest4102887-21kworker/u2:211:56:150
405795821370,2sleep04057960-21acpi09:15:120
40229549912696,18cyclictest4017351-21kworker/u2:207:10:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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