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2026-09-23 - 00:02
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 376 highest latencies:
System rack3slot7.osadl.org (updated Tue Sep 22, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/03185-21kworker/0:206:55:310
14991270watchdog/028928-21timerandwakeup08:00:350
14991230watchdog/023429-21basename07:44:510
806501110irq/14-ide014090-21latency_hist10:44:510
2234501070irq/11-eth014630-21forks10:45:160
806501060irq/14-ide023862-21df_inode07:45:160
2234501060irq/11-eth017793-21if_err_eth007:25:270
806501040irq/14-ide08156-21df10:25:070
806501020irq/14-ide020078-21runrttasks09:18:030
806501010irq/14-ide028267-21df11:30:090
2234501000irq/11-eth02792-21runrttasks09:10:190
2234501000irq/11-eth02235-21munin-node08:20:160
14991000watchdog/02792-21runrttasks11:45:350
14991000watchdog/010497-21runrttasks12:15:510
1499970watchdog/028920-21latency09:45:350
1499970watchdog/012760-21mailstats08:55:030
1499950watchdog/026632-21munin-node07:55:190
1499950watchdog/0228782sleep011:10:550
1499950watchdog/017565-21cpu10:55:150
80650940irq/14-ide013128-21nfs_client12:25:210
223450940irq/11-eth030045-21munin-node11:35:170
242529311sleep02451-21hostname11:50:270
1499930watchdog/07403-21expr08:35:350
223450920irq/11-eth09200-21cpuspeed06:59:550
223450920irq/11-eth031402-21awk09:55:100
223450920irq/11-eth027349-21missed_timers11:25:340
223450920irq/11-eth020744-21df_inode09:20:170
1499920watchdog/03628-21swap10:10:110
1499920watchdog/02792-21runrttasks10:17:230
1499910watchdog/03679-21df_inode11:55:150
1499890watchdog/012800-21df_inode07:10:150
1499880watchdog/032181-21chrt11:41:270
1499880watchdog/025070-21mailstats09:35:030
9149988612cyclictest32765-21munin-node10:00:180
1499840watchdog/026596-21munin-node09:40:190
1499840watchdog/015303-21seq07:18:350
9149988314cyclictest15826-21irqstats09:05:040
9149988313cyclictest24026-21awk11:15:220
80650830irq/14-ide01758-21latency_hist08:19:510
1499830watchdog/020923-21telnet07:35:190
9149988212cyclictest6766-21cpu10:20:180
9149988126cyclictest25416-21df_inode07:50:150
9149988113cyclictest18828-21sshd10:59:540
1499810watchdog/012151-21runrttasks08:51:110
9149988012cyclictest25652-21aten2.4_r3power11:20:250
9149988012cyclictest21962-21munin-node09:25:300
187628011sleep01906-21sed10:05:050
1499790watchdog/023600-21sensors_temp09:30:030
9149987814cyclictest5435-21munin-node08:30:180
9149987813cyclictest15834-21aten2.4-expect07:20:110
9149987812cyclictest9625-21munin-node08:45:340
9149987812cyclictest29859-21df08:05:090
9149987812cyclictest14745-21nfs_client09:00:210
9149987811cyclictest4927-21sendmail_mailtr12:00:020
1499780watchdog/011158-21if_eth012:20:030
1499780watchdog/011022-21idleruntime07:05:070
9149987712cyclictest8507-21munin-node08:40:180
9149987711cyclictest7782-21runrttasks12:09:040
9149987615cyclictest29836-21df09:50:090
9149987613cyclictest16261-21nfs_client10:50:200
1499760watchdog/010142-21grep10:30:190
9149987513cyclictest3895-21aten2.4_r3power08:25:180
9149987512cyclictest11865-21netstat10:35:320
9149987511cyclictest18925-21munin-node07:30:160
9149987414cyclictest32682-21apt08:14:500
9149987412cyclictest8271-21cpu12:10:120
1499740watchdog/021794-21cron11:09:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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