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2026-04-24 - 14:07
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack4slot3.osadl.org (updated Fri Apr 24, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19416210914,38sleep019417-21sshd08:12:220
16809910524,71cyclictest20112-21munin-node11:33:230
802210314,22sleep0810-21munin-node12:13:340
7144210315,18sleep07190-21fschecks_time12:33:200
663210317,65sleep0664-21ntp_states07:13:300
3659210315,27sleep03379-21munin-node07:23:200
198329914,18sleep02009-21cut08:58:170
581729814,16sleep05820-21ntp_states10:48:410
2555129813,15sleep025563-21munin-node10:08:570
44102970,4sleep04409-21date10:43:520
2695729714,16sleep026971-21sensors10:13:480
1680999714,73cyclictest22936-21munin-node10:03:080
1182129714,16sleep011824-21df11:08:130
1680999615,71cyclictest6998-21seq09:13:200
1680999614,72cyclictest29490-21munin-node12:03:100
1546829615,17sleep015471-21ntp_states09:38:410
525929514,16sleep05262-21df09:08:130
3148029514,16sleep031542-21latency10:28:310
1716329515,16sleep017161-21ntp_states11:23:390
86129421,16sleep0881-21munin-node10:33:420
2328829414,16sleep023289-21irqstats08:23:290
1680999415,69cyclictest3568-21runrttasks07:57:430
1680999414,71cyclictest20728-21chrt09:54:090
1680999414,71cyclictest15315-21interrupts11:18:250
1680999414,44cyclictest8496-21fschecks_count07:38:180
1538429415,16sleep015382-21ntp_states07:58:380
1138729414,16sleep011396-21munin-run07:47:590
394429314,16sleep03627-21munin-node12:23:220
2879829314,16sleep028799-21users10:18:580
2822029314,16sleep028226-21hddtemp_smartct11:58:240
2700229314,15sleep027028-21ls08:33:560
2676229314,16sleep026770-21memory11:53:350
2181129314,15sleep021842-21ntp_kernel_pll_08:18:370
2159429315,16sleep021595-21diskstats11:38:170
2057929314,16sleep020613-21users08:13:570
1687429315,16sleep016882-21memory08:03:330
1385129315,16sleep013849-21ntp_states09:33:420
1309929314,15sleep013164-21sed09:33:000
2836129215,16sleep028359-21ntp_states08:38:410
1680999215,68cyclictest25117-21latency11:48:330
1680999215,67cyclictest4542-21sshd09:04:220
1680999215,66cyclictest24886-21interrupts08:28:240
1680999214,68cyclictest10631-21munin-node09:23:430
1047029214,16sleep010471-21iostat_ios11:03:290
568829114,16sleep05689-21iostat_ios12:28:290
1680999116,66cyclictest9430-21vmstat10:58:580
1680999115,67cyclictest31926-21switchtime12:08:490
1680999114,67cyclictest29335-21munin-node08:43:230
1680999015,65cyclictest2233-21if_err_eth010:38:230
744028914,16sleep07438-21ntp_states10:53:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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