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2025-10-21 - 18:42
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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 Oct 21, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
412621822990,3sleep04126219-21/usr/sbin/munin12:10:120
411381122950,3sleep04113809-21uptime11:31:560
409163022660,4chrt4091626-21ntpq10:26:060
410949422590,2sleep04109495-21latency_hist11:20:110
404146022580,3chrt4041462-21timerwakeupswit07:41:240
403246122540,3sleep04032464-21latency07:10:280
412336222490,3chrt4123359-21ntpq12:01:100
407918522490,2sleep04079186-21systemctl09:50:030
407746622490,2sleep04077467-21munin-plugin-st09:45:010
409737622480,3chrt4097374-21ssh10:43:080
409463722440,3chrt4094635-21forks10:35:290
411190822430,4chrt4111907-21ssh11:26:480
407499822380,3chrt4074999-21sendmail_mailqu09:36:550
405794822380,3sleep04057947-21ld08:41:110
408428122360,3chrt4084279-21systemd-run10:05:050
410666722210,3chrt4106668-21ld11:11:010
410534522120,2sleep04105346-21basename11:06:490
411815322080,2sleep04118151-21load11:45:360
412506122070,3sleep04125062-21sh12:06:160
403419222050,2sleep04034194-21grep07:16:160
403211099204175,19cyclictest29-21kswapd007:36:530
403211099202172,19cyclictest4096828-21kworker/u2:211:00:060
403211099199168,19cyclictest4079109-21kworker/u2:210:10:040
403211099197164,22cyclictest4131882-21ntpq12:26:470
403211099197163,22cyclictest4086676-21ntpq10:11:340
405116421960,3chrt4050433-21/usr/sbin/munin08:16:210
404757821920,2sleep04047579-21ls08:05:070
403211099187159,18cyclictest4116321-21kworker/u2:112:00:060
406198121860,2sleep04061983-21ntpq08:55:450
403211099186157,19cyclictest29-21kswapd009:31:520
403211099185144,18cyclictest4063368-21kworker/u2:009:05:070
403211099184156,18cyclictest4113929-21kworker/u2:011:51:300
403211099184156,17cyclictest4032116-21kworker/u2:008:00:050
403211099184155,19cyclictest4043341-21kworker/u2:207:55:030
403211099183153,19cyclictest4060031-21kworker/u2:209:11:480
410362521820,3chrt4103626-21/usr/sbin/munin11:01:510
403211099179150,20cyclictest29-21kswapd012:16:290
403211099178147,20cyclictest4065881-21kworker/u2:309:21:540
403211099178144,22cyclictest4082591-21true10:00:050
403211099177151,16cyclictest4116321-21kworker/u2:111:43:420
404800621760,4chrt4048001-21ntpq08:05:380
403211099175146,19cyclictest29-21kswapd012:30:270
403211099174145,19cyclictest4063368-21kworker/u2:009:06:180
403211099173143,20cyclictest29-21kswapd009:51:470
403211099173142,19cyclictest84-21jbd2/mmcblk0p2-10:35:100
403211099172143,19cyclictest4060031-21kworker/u2:208:55:060
403211099172142,19cyclictest4102427-21kworker/u2:311:35:220
404344821710,4chrt4043449-21latency_hist07:50:070
409091621700,4chrt4090915-21ssh10:24:330
405373821690,4chrt4053736-21ntpq08:26:100
405924721680,2sleep04059249-21grep08:45:530
403211099168139,18cyclictest4012940-21kworker/u2:107:10:070
403211099167138,17cyclictest4050307-21kworker/u2:208:21:170
413001621650,4chrt4130015-21ld12:21:000
407147421650,4chrt4071468-21ntpq09:26:330
403211099164137,16cyclictest4060031-21kworker/u2:209:15:280
403211099163133,18cyclictest4052212-21kworker/u2:108:30:130
403211099159130,18cyclictest4075500-21kworker/u2:310:46:550
403211099159126,20cyclictest4052212-21kworker/u2:108:40:070
403211099157128,19cyclictest29-21kswapd010:15:270
403211099155126,18cyclictest4032116-21kworker/u2:008:11:200
403211099153121,20cyclictest4033992-21kworker/u2:207:21:180
403211099150121,18cyclictest4102427-21kworker/u2:311:25:090
403211099149118,19cyclictest4036307-21kworker/u2:107:26:170
403211099148117,19cyclictest4036307-21kworker/u2:107:30:370
403211099147118,18cyclictest4134608-21kworker/u2:112:35:420
403211099143109,23cyclictest4101099-21true10:55:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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