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2026-05-01 - 17:32
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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 highest latencies:
System rack4slot3.osadl.org (updated Fri May 01, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22499211716,23sleep022506-21df_abs07:13:550
29529210414,16sleep029556-21munin-node12:34:160
24638210315,15sleep024222-21munin-node12:19:100
22871210114,73sleep022876-21idleruntime10:34:080
27645210014,16sleep027649-21hddtemp_smartct09:09:060
23965999913,76cyclictest16545-21iostat_ios11:54:130
1617229914,15sleep00-21swapper08:34:020
719429814,15sleep07209-21switchtime11:24:360
611629814,16sleep06183-21cut08:03:440
2169129814,16sleep021698-21smart_hda10:29:330
2827229714,15sleep028292-21sort10:49:350
2658029714,16sleep026581-21switchtime10:44:360
2118129714,15sleep021182-21diskstats12:09:010
23965999514,72cyclictest26238-21needreboot09:04:180
23965999514,43cyclictest2557-21chrt11:10:200
827629414,16sleep08277-21irqstats08:09:120
2324529414,16sleep023243-21ntp_states12:14:270
1493829414,15sleep014962-21ntpq08:29:210
1039429416,15sleep010406-21munin-node09:54:370
892429314,15sleep08925-21users09:49:400
66329314,16sleep0677-21sensors_volt12:44:310
2419629314,15sleep024232-21grep07:19:020
23965999317,67cyclictest19372-21df_abs08:43:570
23965999314,70cyclictest497-21timerandwakeup07:44:340
23965999314,70cyclictest3568-21runrttasks10:40:190
23965999314,70cyclictest17929-21grep10:19:030
988629214,65sleep09892-21munin-node08:14:100
2925629214,15sleep029272-21hddtemp_smartct09:14:050
2449429214,15sleep024495-21irqstats08:59:130
23965999215,68cyclictest11460-21chrt11:39:000
23965999215,67cyclictest32247-21latency_hist12:43:440
23965999214,68cyclictest25626-21aten_r4power_cu07:23:540
23965999214,68cyclictest14519-21munin-node10:08:540
1999629214,16sleep019994-21ntp_states12:04:260
1342229214,16sleep013425-21ntp_states10:04:230
1013429214,15sleep010142-21memory11:34:160
3198229113,15sleep032059-21ls07:43:430
246929114,15sleep00-21swapper09:30:160
23965999115,67cyclictest8419-21if_eth011:29:090
23965999115,66cyclictest23142-21munin-node08:54:280
23965999114,68cyclictest3568-21runrttasks09:41:330
23965999114,68cyclictest24632-21munin-node11:43:520
357329014,15sleep03584-21kernelversion11:14:140
23965999015,66cyclictest3568-21runrttasks12:02:530
23965999015,66cyclictest27465-21munin-node12:28:540
23965999015,66cyclictest26199-21seq12:24:060
23965999013,68cyclictest12005-21switchtime09:59:320
23965998915,66cyclictest14621-21cpu11:48:560
23965998915,66cyclictest13132-21iostat08:24:100
324328814,15sleep03244-21diskstats09:34:010
23965998814,65cyclictest5568-21smartctl11:19:320
23965998814,65cyclictest32062-21runrttasks09:23:420
23965998814,65cyclictest27222-21munin-node07:29:030
23965998814,65cyclictest21032-21entropy08:49:020
23965998814,64cyclictest17572-21munin-node08:38:520
23965998715,62cyclictest3568-21runrttasks08:03:510
23965998714,37cyclictest11090-21munin-node08:19:420
23965998614,63cyclictest1444-21munin-node07:48:560
23965998614,37cyclictest6303-21munin-node09:44:080
1734228619,15sleep00-21swapper10:17:070
23965998514,62cyclictest19291-21aten_r4power_cu10:23:530
23965998514,61cyclictest2933-21munin-node07:54:420
23965998514,33cyclictest32256-21munin-node09:23:550
3173128113,15sleep00-21swapper11:00:260
23965998114,58cyclictest29003-21munin-node07:33:550
90028014,15sleep00-21swapper11:05:220
3035228013,15sleep00-21swapper10:57:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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