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2026-07-17 - 16:03
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Fri Jul 17, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2133427380,14sleep021332-21mailstats19:05:500
30083210611,13sleep030081-21fw_conntrack23:55:450
948321055,16sleep01608-21ntpd22:35:410
2305321055,12sleep023056-21fw_forwarded_lo23:30:300
219889910351,37cyclictest3650irq/20-4900000023:37:110
2717121026,11sleep027230-21cpuspeed19:30:160
446421010,6chrt4462-21tr22:15:370
219889910140,27cyclictest0-21swapper/019:50:210
262202996,11sleep026218-21ntp_states19:25:410
21988999941,41cyclictest0-21swapper/021:18:060
21988999737,40cyclictest0-21swapper/022:43:250
21988999450,27cyclictest101ktimersoftd/023:17:070
21988999435,19cyclictest801-21dbus-daemon19:40:000
21988999427,32cyclictest787-21haveged23:15:040
21988999360,16cyclictest6196-21ntpq20:15:360
21988999345,31cyclictest17250-21sshd20:59:290
21988999248,29cyclictest3650irq/20-4900000021:55:390
12372925,11sleep01305-21snmpd00:08:430
21988999067,11cyclictest101ktimersoftd/019:10:200
21988999045,29cyclictest3650irq/20-4900000000:15:240
21988999044,30cyclictest3650irq/20-4900000000:02:130
21988999016,50cyclictest0-21swapper/000:11:120
21988998944,27cyclictest9737-21apt-key20:30:120
21988998938,18cyclictest10250irq/56-4a10000000:22:590
21988998937,17cyclictest14822-21runrttasks22:56:500
21988998841,13cyclictest16147-21cat20:55:030
21988998836,33cyclictest20613-21runrttasks21:11:170
21988998811,57cyclictest6974-21ntpq22:25:360
21988998655,13cyclictest10150irq/55-4a10000020:40:130
21988998440,29cyclictest3650irq/20-4900000021:32:070
21988998439,32cyclictest29258-21df_inode21:45:200
21988998344,28cyclictest0-21swapper/019:55:210
21988998342,28cyclictest8950irq/40-mmc100:35:250
21988998341,26cyclictest27206-21if_eth023:45:280
21988998261,12cyclictest101ktimersoftd/019:17:070
21988998237,30cyclictest10250irq/56-4a10000022:22:310
21988998150,14cyclictest10150irq/55-4a10000021:38:360
21988998150,14cyclictest10150irq/55-4a10000000:25:590
21988998138,28cyclictest10250irq/56-4a10000019:45:150
21988998133,33cyclictest3650irq/20-4900000023:05:390
21988998130,33cyclictest7994-21sshd00:34:530
21988998128,34cyclictest1901-21if_eth022:05:330
21988998120,15cyclictest19817-21latency_hist21:10:030
2198899808,19cyclictest21913-21/usr/sbin/munin23:25:360
21988998056,10cyclictest101ktimersoftd/019:20:270
21988998047,15cyclictest10150irq/55-4a10000020:05:200
21988998039,25cyclictest0-21swapper/021:53:140
21988998019,28cyclictest787-21haveged20:30:050
2198899798,20cyclictest3069-21diskstats22:10:230
21988997959,11cyclictest101ktimersoftd/020:00:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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