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2025-12-28 - 13:08
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sun Dec 28, 2025 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151880,0ktimers/0158481sleep19:06:240
1514650,0ktimers/0300571sleep22:54:190
160509946334,0cyclictest895-21jbd2/sda1-822:09:270
1514530,0ktimers/0122811sleep00:01:090
1514480,0ktimers/0170971sleep19:14:550
1605099443129,0cyclictest1746-21ntpd19:40:020
1514430,0ktimers/0153251sleep21:44:390
160509943368,0cyclictest1629-21nscd22:39:190
160509943134,0cyclictest1657-21snmpd19:44:560
1514290,0ktimers/0112451sleep23:56:080
1605099426125,0cyclictest9319-21idleruntime-cro23:49:200
1605099424134,0cyclictest8321-21cat21:10:360
1605099420123,0cyclictest1657-21snmpd00:20:220
160509941933,0cyclictest31607-21open_files23:00:310
1605099419108,0cyclictest4647-21ls20:54:270
160509941545,0cyclictest0-21swapper21:14:470
160509941429,0cyclictest10813-21sed21:21:070
160509940775,0cyclictest18-21rcu_preempt22:59:280
160509940596,0cyclictest7133-21cron23:39:190
1605099405128,0cyclictest30904-21grep20:24:370
160509940233,0cyclictest29118-21nfs_client20:15:390
1605099400103,0cyclictest1629-21nscd22:40:340
160509939874,0cyclictest28584-21idleruntime-cro20:14:190
160509939830,0cyclictest7387-21needreboot21:05:470
1605099398124,0cyclictest6329-21cron23:34:180
1605099396115,0cyclictest24211-21interrupts22:25:530
160509939575,0cyclictest20173-21wc22:05:590
160509939547,0cyclictest1926-21runrttasks23:25:390
1605099395118,0cyclictest21382-21wc19:36:190
1605099395115,0cyclictest32474-21apt-get23:04:530
1605099395114,0cyclictest4138-21entropy20:50:500
160509939398,0cyclictest1863-21chrt23:12:280
160509938970,0cyclictest18549-21ls19:24:500
160509938929,0cyclictest25114-21sort22:30:310
160509938866,0cyclictest18082-21cut19:20:440
160509938832,0cyclictest0-21swapper00:24:350
1605099387118,0cyclictest1629-21nscd20:39:260
1605099387107,0cyclictest22261-21awk22:15:510
1513870,0ktimers/0170671sleep21:51:080
160509938493,0cyclictest18333-21cut00:30:460
160509938430,0cyclictest1657-21snmpd00:36:190
160509938334,0cyclictest1657-21snmpd00:04:330
1605099383110,0cyclictest16049-21cyclictest19:59:380
160509938242,0cyclictest895-21jbd2/sda1-821:34:290
1605099382117,0cyclictest14736-21cron00:14:180
1605099382109,0cyclictest14472-21grep21:40:240
1513820,0ktimers/0235551sleep22:24:210
160509938135,0cyclictest9414-21munin-node23:50:470
160509938128,0cyclictest48-21kswapd023:39:430
160509938031,0cyclictest31925-21runrttasks20:29:270
1605099380135,0cyclictest0-21swapper20:24:190
160509937931,0cyclictest27179-21munin-node20:06:070
160509937929,0cyclictest20237-21cut19:31:080
1605099379146,0cyclictest0-21swapper21:54:350
160509937863,0cyclictest15203-21ls00:15:350
160509937830,0cyclictest5779-21chrt20:59:350
160509937780,0cyclictest3072-21latency_hist23:19:320
160509937729,0cyclictest11484-21awk21:25:190
160509937696,0cyclictest25393-21cut19:55:460
160509937674,0cyclictest1763-21cron20:39:360
160509937634,0cyclictest24433-21wc19:50:590
160509937629,0cyclictest2075-21latency_hist23:14:310
1605099376104,0cyclictest16907-21munin-node19:14:270
160509937492,0cyclictest28543-21chrt22:45:470
160509937430,0cyclictest12699-21if_eth121:31:030
160509937129,0cyclictest18547-21chrt21:59:430
1605099371127,0cyclictest3284-21ls20:46:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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