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2026-06-27 - 16:05
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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 Sat Jun 27, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
678327410,5sleep06784-21df_abs07:19:510
16420211313,87sleep016460-21munin-node09:29:500
2264210213,15sleep02265-21iostat_ios10:25:090
22016210214,16sleep021367-21munin-node11:25:250
12152210114,20sleep012201-21wc12:35:110
8912210014,20sleep08918-21missed_timers10:45:140
10629210015,17sleep010649-21sensors07:30:270
8214999915,74cyclictest7174-21munin-node09:00:120
54802980,4sleep05493-21grep08:55:070
2996629814,15sleep029995-21munin-node08:30:240
1581229814,16sleep015813-21users09:25:420
1382729814,17sleep013823-21ntp_states09:20:240
8214999715,72cyclictest2376-21nfs_client08:45:190
3136029715,17sleep031363-21iostat08:35:070
1834029715,16sleep018119-21munin-node11:15:000
1216229714,16sleep012186-21processes07:35:240
904629614,16sleep09061-21switchtime07:25:320
2641929614,16sleep026424-21hddtemp_smartct08:20:030
1341629615,16sleep013419-21df10:59:540
2678929515,16sleep026786-21ntp_states10:00:210
2530029514,16sleep025320-21sensors_temp09:55:270
1655729514,16sleep016345-21munin-node07:49:590
1103429514,19sleep011081-21munin-node12:30:380
8214999416,68cyclictest31748-21processes10:15:250
8214999414,71cyclictest26228-21munin-node11:39:510
542429414,16sleep05427-21diskstats12:14:570
2192529414,19sleep021920-21ntp_states09:45:190
1869129414,16sleep018692-21ntp_states09:35:230
1227129414,16sleep012270-21ntp_states10:55:200
8214999316,68cyclictest451-21munin-node08:40:040
386829313,16sleep03874-21hddtemp_smartct10:30:030
3194829315,16sleep031949-21threads11:55:340
2955429314,15sleep029580-21df_abs10:09:540
2334729313,15sleep00-21swapper09:50:110
2325629314,16sleep023259-21iostat_ios08:10:080
1017629314,16sleep010179-21df10:49:540
895529214,16sleep08953-21ntp_states09:05:220
8214999214,69cyclictest3568-21runrttasks07:44:580
8214999214,69cyclictest14968-21aten_r4power_vo11:04:520
8214999214,68cyclictest24616-21munin-node08:14:530
8214999213,70cyclictest13105-21latency_hist09:19:400
8214999115,67cyclictest4998-21cat08:54:390
8214999114,68cyclictest32739-21aten_r4power_en11:59:510
8214999114,68cyclictest21344-21latency_hist11:24:400
710529114,16sleep07116-21hddtemp_smartct10:40:040
2869129114,16sleep028695-21users08:25:380
2777329116,16sleep027831-21aten_r4power_po10:04:510
2009729114,16sleep020099-21irqstats09:40:090
8214999014,67cyclictest17967-21munin-node07:54:490
8214999014,40cyclictest24997-21if_err_eth011:35:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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