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2025-11-28 - 03:36
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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 100 highest latencies:
System rack4slot3.osadl.org (updated Fri Nov 28, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11585211214,36sleep011627-21latency_hist21:23:080
17229910414,81cyclictest19677-21munin-node20:08:560
1648210417,18sleep01633-21ls19:13:080
12244210114,16sleep012245-21irqstats23:03:390
12147210114,74sleep012178-21munin-node19:43:470
23857210014,17sleep023859-21munin-node21:59:000
17229910020,71cyclictest7463-21munin-node22:48:440
912029914,16sleep09142-21switchtime19:33:580
2821529914,21sleep028219-21iostat20:33:360
1417929914,20sleep014191-21munin-node19:49:050
739829714,17sleep07442-21ps19:28:550
185929714,17sleep01895-21hostname20:53:200
2299029614,17sleep023047-21cpu20:18:200
1778929614,15sleep00-21swapper21:40:530
1722999620,67cyclictest2414-21munin-node22:33:340
1722999614,73cyclictest6813-21munin-node21:08:210
1589229614,16sleep015917-21sed21:34:110
1064829614,16sleep010692-21rt-features19:38:560
2949729514,15sleep029412-21munin-node20:38:200
187829514,16sleep01904-21ls22:33:070
607129415,16sleep06099-21sendmail_mailtr22:43:560
424929414,16sleep04252-21iostat_ios00:18:390
2166029414,15sleep021691-21if_eth020:13:330
2165929414,17sleep021708-21df23:33:200
2013029414,16sleep020133-21diskstats23:28:260
1722999421,63cyclictest15055-21munin-node23:14:110
1722999414,71cyclictest9346-21runrttasks00:33:560
1722999414,71cyclictest3533-21runrttasks22:38:190
1709729414,16sleep017125-21ps19:58:530
1387329415,16sleep013875-21irqstats23:08:400
3168629315,16sleep031684-21ntp_states20:43:510
1722999314,69cyclictest21384-21latency_hist21:53:080
3165029213,15sleep031660-21idleruntime00:03:350
2987129215,16sleep029874-21diskstats23:58:250
1722999215,67cyclictest8477-21munin-node21:13:190
2703129114,16sleep03288-21lldpd22:08:580
2360129114,16sleep023602-21iostat_ios23:38:360
1955829114,16sleep019565-21munin-run20:08:070
1722999115,67cyclictest11240-21sort00:39:040
1722999115,40cyclictest31750-21netstat22:23:450
1722999114,68cyclictest4071-21ntp_kernel_pll_19:18:470
1911129014,16sleep019117-21swap23:24:000
1722999015,66cyclictest2261-21munin-node19:13:420
1722999014,68cyclictest3235-21sshd00:09:410
1722999014,67cyclictest5753-21missed_timers21:03:490
1722999014,67cyclictest24867-21fschecks_time20:23:310
921228914,16sleep09210-21ntp_states22:53:520
1722998915,65cyclictest29375-21sshd22:17:410
1722998915,65cyclictest28434-21if_eth023:53:360
1722998914,66cyclictest5661-21entropy00:23:290
1722998914,66cyclictest12476-21awk21:23:560
1722998914,65cyclictest26170-21munin-node20:28:310
1667028913,20sleep00-21swapper23:18:160
572528815,16sleep05074-21munin-node19:23:550
1439628814,15sleep00-21swapper21:29:400
1722998714,64cyclictest3533-21runrttasks20:59:030
1722998714,64cyclictest3196-21automount23:44:430
1050428714,16sleep010531-21hddtemp_smartct22:58:310
1722998615,64cyclictest21432-21munin-node21:53:280
1722998614,63cyclictest26417-21aten_r4power_cu23:48:190
1722998614,63cyclictest18565-21if_err_eth021:43:330
1722998514,62cyclictest29763-21runrttasks22:18:270
1722998514,62cyclictest15065-21fschecks_count19:53:300
833128414,19sleep00-21swapper00:31:110
150928213,15sleep00-21swapper20:51:150
334728114,15sleep00-21swapper00:15:240
1722998114,57cyclictest25135-21kernelversion22:03:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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