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2026-06-08 - 01:50
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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 Jun 07, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323572961149,416sleep031347-21kworker/0:019:05:350
5029910970,25cyclictest101ktimersoftd/020:35:380
5029910655,35cyclictest101ktimersoftd/021:17:060
5029910138,45cyclictest101ktimersoftd/019:32:110
502999857,26cyclictest101ktimersoftd/021:32:120
17042985,16sleep01705-21sshd21:21:320
502999749,11cyclictest101ktimersoftd/021:55:180
502999669,11cyclictest101ktimersoftd/022:47:580
502999655,24cyclictest0-21swapper/019:53:020
502999649,32cyclictest3650irq/20-4900000020:00:330
502999455,25cyclictest101ktimersoftd/000:27:090
502999367,11cyclictest101ktimersoftd/021:30:080
502999362,13cyclictest7077-21seq21:41:320
303252924,8sleep00-21swapper/021:06:100
148522925,12sleep014853-21diskstats00:20:180
3192915,11sleep031543-21apt-get23:21:440
50299908,45cyclictest1408-21nginx19:38:100
502999039,40cyclictest2509-21sshd23:30:350
502999014,56cyclictest5354-21fw_forwarded_lo21:35:280
502998941,30cyclictest3650irq/20-4900000000:00:140
502998941,15cyclictest10250irq/56-4a10000022:18:460
502998839,16cyclictest10250irq/56-4a10000000:08:180
502998836,17cyclictest13128-21runrttasks19:58:110
502998741,30cyclictest3650irq/20-4900000022:32:110
502998736,33cyclictest5331-21runrttasks23:41:320
502998724,46cyclictest1408-21nginx19:42:220
502998657,15cyclictest10001-21latency_hist21:55:030
502998657,12cyclictest101ktimersoftd/020:17:070
502998619,50cyclictest10250irq/56-4a10000000:35:160
502998537,31cyclictest10250irq/56-4a10000022:13:450
502998513,20cyclictest18722-21https22:30:040
502998511,38cyclictest8538-21df_inode23:55:200
502998450,17cyclictest10150irq/55-4a10000019:15:310
502998447,26cyclictest0-21swapper/020:50:230
502998434,34cyclictest30943-21systemctl23:15:530
502998431,38cyclictest10250irq/56-4a10000020:27:330
502998348,17cyclictest6389-21systemctl23:45:450
502998346,26cyclictest0-21swapper/019:45:200
50299827,56cyclictest1305-21snmpd20:10:350
502998254,13cyclictest10150irq/55-4a10000020:05:290
502998248,16cyclictest20467-21wget22:35:130
502998245,29cyclictest0-21swapper/021:45:210
502998241,31cyclictest13510-21runrttasks22:08:260
502998151,14cyclictest10150irq/55-4a10000022:00:510
502998143,28cyclictest0-21swapper/020:20:310
50299808,19cyclictest27060-21ntp_states23:00:340
502998054,11cyclictest101ktimersoftd/019:10:130
502998050,14cyclictest10150irq/55-4a10000022:40:140
502998042,25cyclictest101ktimersoftd/023:10:530
18162805,12sleep00-21swapper/023:28:300
50299797,20cyclictest28636-21diskstats21:00:230
502997951,13cyclictest10150irq/55-4a10000020:30:160
502997949,14cyclictest10150irq/55-4a10000020:40:220
502997942,27cyclictest17729-21diskstats00:30:250
502997934,28cyclictest27220-21hostname20:55:130
502997933,35cyclictest16960-21seq22:20:520
502997933,14cyclictest10250irq/56-4a10000022:53:010
50299788,15cyclictest1305-21snmpd00:19:010
50299785,35cyclictest32025-21cron21:15:000
502997843,24cyclictest0-21swapper/020:45:220
502997816,44cyclictest1285-21lldpd23:08:070
50299778,33cyclictest1285-21lldpd23:38:070
502997748,19cyclictest12904-21runrttasks00:12:020
502997739,26cyclictest0-21swapper/023:50:230
502997629,19cyclictest812-21avahi-daemon19:22:240
502997553,14cyclictest4652-21seq19:25:290
502997254,10cyclictest101ktimersoftd/022:55:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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