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2026-04-28 - 07:01
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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 Tue Apr 28, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9978218431,119sleep00-21swapper/019:09:150
101359917135,16cyclictest10250irq/56-4a10000023:48:110
101359917039,40cyclictest0-21swapper/020:03:050
101359915952,13cyclictest10150irq/55-4a10000022:50:410
101359915448,26cyclictest101ktimersoftd/022:10:420
101359915363,12cyclictest101ktimersoftd/020:55:460
1839221128,11sleep018430-21which23:55:480
778921076,11sleep07793-21sh21:05:200
2066821078,11sleep020670-21fw_forwarded_lo00:05:280
534121065,86sleep05346-21munin-run23:05:020
1796521035,12sleep017966-21ntp_states21:45:420
3203921015,12sleep032044-21ntpq22:40:400
1921421005,84sleep019206-21latency_hist19:45:020
1909821006,84sleep019100-21irqstats21:50:300
565729919,69sleep05660-21df_inode23:05:190
292202995,81sleep029256-21aten_r7power_vo22:30:150
412329720,67sleep04154-21irqstats20:50:300
153782975,12sleep015381-21memory21:35:340
133522969,77sleep012594-21apt-get19:20:330
659829515,67sleep06619-21if_eth021:00:290
231192935,11sleep023124-21df00:15:190
295202925,75sleep028303-21apt-get20:21:370
94612905,75sleep09500-21interrupts23:20:310
203352905,74sleep020337-21irqstats21:55:300
10135999041,15cyclictest10250irq/56-4a10000023:52:560
10135999039,32cyclictest4085-21cron23:00:010
10135998967,13cyclictest0-21swapper/019:10:030
10135998834,18cyclictest14721-21mailstats23:40:450
10135998822,30cyclictest787-21haveged22:30:040
69472875,69sleep06949-21fw_forwarded_lo23:10:340
261162876,70sleep026113-21fw_forwarded_lo00:25:470
10135998750,25cyclictest0-21swapper/000:20:240
90702865,70sleep09072-21fw_forwarded_lo21:10:260
122132864,70sleep012219-21apt-get19:17:000
171412856,69sleep017171-21awk19:35:340
224202846,67sleep022429-21munin-run22:05:020
10135998441,29cyclictest10094-21aten_r7power_cu21:15:130
10135998440,29cyclictest3650irq/20-4900000022:35:230
10135998437,32cyclictest101ktimersoftd/022:20:010
10135998437,30cyclictest16531-21df_inode21:40:200
10135998436,29cyclictest1276-21runrttasks00:04:090
10135998335,31cyclictest29429-21cron00:40:000
10135998221,16cyclictest27508-21apt-config22:25:080
10135998152,13cyclictest10150irq/55-4a10000023:31:120
10135998151,14cyclictest13122-21cpuspeed23:35:220
10135998144,26cyclictest0-21swapper/019:25:200
10135998120,14cyclictest22818-21latency_hist00:15:020
10135998060,12cyclictest101ktimersoftd/020:30:120
10135998041,25cyclictest101ktimersoftd/019:45:210
10135998034,15cyclictest10250irq/56-4a10000021:28:000
10135997958,12cyclictest101ktimersoftd/022:05:450
10135997954,10cyclictest101ktimersoftd/000:30:190
10135997936,26cyclictest1276-21runrttasks20:41:510
1013599787,33cyclictest16380-21chrt19:32:160
10135997859,11cyclictest101ktimersoftd/020:15:270
10135997857,13cyclictest101ktimersoftd/022:45:270
10135997848,13cyclictest10150irq/55-4a10000021:20:230
10135997847,22cyclictest206122sleep019:50:150
10135997835,29cyclictest25069-21/usr/sbin/munin20:05:360
10135997833,30cyclictest3650irq/20-4900000023:15:330
10135997749,18cyclictest491-21/usr/sbin/munin20:35:410
10135997747,14cyclictest10150irq/55-4a10000021:30:480
10135997747,13cyclictest10150irq/55-4a10000020:45:530
10135997746,13cyclictest10150irq/55-4a10000019:55:130
10135997745,15cyclictest10150irq/55-4a10000020:10:260
1013599768,37cyclictest1305-21snmpd23:28:500
10135997647,14cyclictest10150irq/55-4a10000020:25:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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