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2026-04-10 - 01:09
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack7slot8.osadl.org (updated Thu Apr 09, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3811222732,60sleep00-21swapper/019:09:440
39149916647,16cyclictest188602chrt22:17:300
39149916645,29cyclictest3650irq/20-4900000019:20:410
39149916246,18cyclictest18884-21latency_hist20:10:030
39149916026,14cyclictest10250irq/56-4a10000021:53:160
39149915962,12cyclictest101ktimersoftd/022:05:210
39149915947,18cyclictest20230-21sshd00:25:000
39149915927,30cyclictest8029-21wget23:40:100
39149915926,15cyclictest10250irq/56-4a10000023:08:140
3914991568,17cyclictest10822-21fw_packets21:45:280
39149915647,14cyclictest10150irq/55-4a10000000:05:540
3914991557,31cyclictest6240-21https23:35:040
39149915543,14cyclictest10150irq/55-4a10000022:20:410
3914991547,16cyclictest32012-21apt-get23:12:110
39149915243,13cyclictest10150irq/55-4a10000022:45:290
39149915236,36cyclictest10342-21apt-get23:51:050
39149915236,23cyclictest801-21dbus-daemon00:30:430
39149915159,11cyclictest101ktimersoftd/023:56:220
39149915144,19cyclictest24891-21runrttasks22:40:240
39149915140,20cyclictest801-21dbus-daemon21:35:010
39149915118,13cyclictest26667-21latency_hist20:40:040
39149915048,16cyclictest30570-21/usr/sbin/munin20:55:200
39149915044,17cyclictest3876-21seq21:17:070
39149915044,13cyclictest10150irq/55-4a10000022:00:030
39149914960,11cyclictest101ktimersoftd/020:00:420
39149914943,13cyclictest10150irq/55-4a10000020:15:370
39149914942,15cyclictest10150irq/55-4a10000022:50:340
3914991486,15cyclictest21312-21apt-get20:22:110
39149914748,17cyclictest28414-21aten_r7power_cu22:55:100
39149914643,19cyclictest19289-21runrttasks20:10:360
39149914642,17cyclictest32532-21runrttasks21:01:560
3914991456,29cyclictest10346-21munin-plugin-st23:50:020
39149914557,12cyclictest101ktimersoftd/020:25:340
39149914555,10cyclictest101ktimersoftd/021:05:170
3914991446,29cyclictest4978-21latency_hist23:30:040
39149914457,11cyclictest101ktimersoftd/000:10:160
39149914456,11cyclictest101ktimersoftd/020:45:540
39149914440,18cyclictest21633-21latency_hist00:30:040
39149914437,32cyclictest14385-21seq00:00:560
39149914353,11cyclictest101ktimersoftd/000:15:160
39149914246,14cyclictest10150irq/55-4a10000019:35:240
39149914052,11cyclictest101ktimersoftd/023:15:160
39149913943,16cyclictest23625-21runrttasks00:36:410
39149913939,19cyclictest24189-21runrttasks22:37:150
39149913919,13cyclictest27629-21kworker/u2:023:37:090
39149913844,12cyclictest10150irq/55-4a10000020:40:260
39149913731,28cyclictest101ktimersoftd/021:40:370
39149913352,12cyclictest101ktimersoftd/020:30:280
39149913257,11cyclictest101ktimersoftd/021:37:030
39149913242,13cyclictest10150irq/55-4a10000019:30:230
146222925,73sleep014623-21memory22:00:320
3914999136,39cyclictest0-21swapper/019:29:510
391499908,44cyclictest21136-21runrttasks22:25:240
3914998749,26cyclictest0-21swapper/019:40:200
391499857,17cyclictest29311-21wget20:50:120
3914998547,27cyclictest101ktimersoftd/023:20:410
3914998537,15cyclictest10250irq/56-4a10000019:55:120
3914998441,30cyclictest10250irq/56-4a10000023:03:120
3914998439,14cyclictest10250irq/56-4a10000019:45:110
3914998128,16cyclictest22376-21seq22:30:230
3914998041,23cyclictest10150irq/55-4a10000021:10:160
3914997953,17cyclictest17061-21iwlist22:10:270
3914997854,10cyclictest0-21swapper/021:20:340
3914997748,14cyclictest10150irq/55-4a10000021:25:170
3914997646,15cyclictest10150irq/55-4a10000019:10:190
3914997349,16cyclictest6360-21cron19:20:010
3914997343,14cyclictest10150irq/55-4a10000019:50:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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