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2026-01-12 - 10:43
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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 376 highest latencies:
System rack4slot3.osadl.org (updated Mon Jan 12, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2293023390,4sleep022929-21tr19:06:490
245319910227,66cyclictest31155-21seq22:50:190
245319910025,65cyclictest2260-21munin-node23:01:490
24531999926,64cyclictest26805-21aten_r4power_po00:16:500
24531999625,62cyclictest12403-21latency21:52:090
24531999614,73cyclictest4385-21munin-node23:07:060
24531999614,72cyclictest30651-21awk00:27:240
24531999614,72cyclictest26616-21grep20:57:000
747329515,17sleep07533-21perl23:17:000
24531999516,69cyclictest26579-21wget22:36:520
24531999515,70cyclictest2674-21sendmail_mailst19:42:250
24531999422,35cyclictest10472-21munin-node23:26:500
24531999415,70cyclictest28159-21df_abs21:01:520
24531999415,70cyclictest25301-21munin-node19:12:240
24531999415,69cyclictest5403-21munin-node21:32:080
24531999414,71cyclictest12448-21hddtemp_smartct23:32:030
2182329414,16sleep021828-21hddtemp_smartct20:42:040
24531999325,59cyclictest8935-21fschecks_time21:42:000
24531999321,63cyclictest29648-21forks19:26:580
24531999315,69cyclictest3977-21diskstats21:26:550
24531999314,70cyclictest17085-21sed20:27:120
24531999314,70cyclictest12147-21iostat20:12:070
24531999314,69cyclictest22912-21runrttasks00:02:510
24531999310,73cyclictest5832-21tr19:52:170
3167529215,17sleep031676-21irqstats21:12:070
24531999215,68cyclictest32048-21munin-node00:32:070
24531999214,69cyclictest3695-21runrttasks21:51:230
24531999214,69cyclictest18225-21munin-node20:32:130
24531999214,68cyclictest31342-21fschecks_time19:31:590
24531999214,68cyclictest13903-21missed_timers20:17:140
595029114,16sleep05991-21awk23:12:030
2574229114,16sleep025743-21users20:52:370
24531999125,57cyclictest32354-21timerwakeupswit22:52:340
24531999123,59cyclictest1069-21kernelversion22:57:090
24531999115,66cyclictest8904-21munin-node20:02:080
24531999115,66cyclictest26623-21seq19:17:200
24531999114,68cyclictest26161-21seq22:34:240
2453199909,43cyclictest8872-21tr23:21:490
24531999019,62cyclictest27802-21munin-node19:22:180
24531999014,67cyclictest22786-21runrttasks22:23:260
24531999014,67cyclictest20701-21open_files22:17:240
24531999014,67cyclictest19006-21munin-node23:52:050
24531999014,67cyclictest18550-21cpu22:11:510
24531998923,58cyclictest14973-21munin-node20:22:120
24531998915,64cyclictest3695-21runrttasks21:07:230
24531998914,66cyclictest25936-21munin-node00:12:300
24531998914,66cyclictest15572-21interrupts22:02:050
24531998913,67cyclictest29182-21chrt22:42:370
24531998819,34cyclictest13722-21munin-node23:37:270
24531998815,64cyclictest3986-21runrttasks19:47:030
24531998815,64cyclictest15797-21munin-node23:42:110
24531998815,64cyclictest1434-21seq19:38:560
24531998815,63cyclictest23302-21munin-node20:46:530
24531998814,65cyclictest6842-21munin-node19:57:320
24531998814,65cyclictest20633-21munin-node20:37:290
24531998732,45cyclictest41ktimersoftd/000:22:100
24531998714,64cyclictest23294-21munin-node22:26:580
24531998630,46cyclictest41ktimersoftd/000:36:580
24531998630,46cyclictest41ktimersoftd/000:06:520
24531998615,62cyclictest518-21munin-node21:16:520
342728514,19sleep00-21swapper21:24:570
24531998531,45cyclictest41ktimersoftd/023:57:090
24531998531,45cyclictest41ktimersoftd/021:56:550
24531998531,45cyclictest41ktimersoftd/021:37:180
24531998530,45cyclictest41ktimersoftd/023:47:090
24531998513,62cyclictest17728-21timerwakeupswit22:07:340
1135228514,19sleep00-21swapper20:09:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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