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2026-08-17 - 09:43
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Sun Aug 16, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21593224244,61sleep00-21swapper/007:05:360
221929911492,13cyclictest0-21swapper/007:10:040
11141211215,12sleep010334-21apt-get10:35:520
3218321076,11sleep031418-21apt-get11:55:440
29810210716,12sleep029833-21df09:45:180
2144521075,12sleep021179-21/usr/sbin/munin11:15:330
2432721066,13sleep024330-21diskstats11:25:380
1046221065,11sleep010491-21tr12:35:580
183821056,12sleep01844-21ntp_states07:55:400
2334821005,11sleep023379-21apt-config09:20:180
176872996,15sleep016942-21apt-get11:00:290
37352964,11sleep02477-21apt-get10:06:560
22192999636,24cyclictest0-21swapper/008:35:130
201752945,12sleep020178-21fw_forwarded_lo11:10:280
22192999344,15cyclictest13971-21aten_r7power_en08:45:160
22192999225,30cyclictest787-21haveged08:30:030
22192999224,32cyclictest787-21haveged11:00:020
22192999034,38cyclictest0-21swapper/011:47:180
75962895,13sleep00-21swapper/010:22:530
22192998944,12cyclictest101ktimersoftd/012:30:290
22192998924,29cyclictest787-21haveged08:15:020
22192998841,29cyclictest31325-21cpu09:50:200
22192998830,38cyclictest0-21swapper/007:36:130
22192998643,30cyclictest3650irq/20-4900000009:25:370
22192998638,32cyclictest7592-21sendmail08:20:010
22192998427,18cyclictest6011-21/usr/sbin/munin12:20:250
22192998351,15cyclictest10150irq/55-4a10000010:30:150
22192998343,28cyclictest3650irq/20-4900000008:50:320
22192998334,34cyclictest101ktimersoftd/009:12:140
22192998331,18cyclictest23716-21df_inode07:15:210
22192998323,28cyclictest1667-21memory10:00:360
22192998322,15cyclictest28938-21latency_hist11:45:030
22192998253,13cyclictest10150irq/55-4a10000008:30:270
22192998240,28cyclictest3650irq/20-4900000007:42:100
22192998219,16cyclictest3832-21latency_hist08:05:040
22192998148,15cyclictest10150irq/55-4a10000007:30:200
22192998138,14cyclictest22155-21seq09:15:390
22192998137,31cyclictest101ktimersoftd/010:10:180
22192998133,15cyclictest10250irq/56-4a10000007:29:180
22192998132,16cyclictest10250irq/56-4a10000008:24:040
22192998061,11cyclictest101ktimersoftd/011:50:520
22192998048,15cyclictest10150irq/55-4a10000012:10:280
22192997954,16cyclictest18955-21aten_r7power_en09:05:140
22192997949,16cyclictest1276-21runrttasks08:10:020
22192997949,13cyclictest10150irq/55-4a10000009:35:220
22192997948,15cyclictest10150irq/55-4a10000011:35:430
22192997935,34cyclictest556-21ntpq07:50:410
22192997922,42cyclictest10250irq/56-4a10000011:09:350
22192997918,28cyclictest1276-21runrttasks08:59:320
22192997859,11cyclictest101ktimersoftd/012:05:180
22192997849,14cyclictest10150irq/55-4a10000010:45:270
22192997827,39cyclictest0-21swapper/007:20:300
22192997818,28cyclictest1092-21/usr/sbin/munin12:00:410
2219299776,34cyclictest879-21sshd09:57:270
22192997752,10cyclictest101ktimersoftd/009:30:180
22192997750,13cyclictest10150irq/55-4a10000012:25:490
22192997749,13cyclictest10150irq/55-4a10000010:25:200
22192997746,13cyclictest10150irq/55-4a10000010:17:070
22192997730,13cyclictest0-21swapper/010:52:030
22192997659,10cyclictest101ktimersoftd/007:45:340
22192997646,13cyclictest10150irq/55-4a10000008:40:140
22192997645,14cyclictest10150irq/55-4a10000011:30:180
22192997619,44cyclictest0-21swapper/012:17:240
22192997557,11cyclictest101ktimersoftd/009:00:380
22192997546,14cyclictest10150irq/55-4a10000009:40:170
22192997540,23cyclictest12284-21df10:40:180
22192997534,33cyclictest23616-21https11:25:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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