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2026-06-22 - 16:05
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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 highest latencies:
System rack3slot7.osadl.org (updated Mon Jun 22, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140200ksoftirqd/031206-21kworker/0:107:05:310
14991300watchdog/026486-21df_inode12:01:170
14991300watchdog/014541-21aten2.4_r3power07:51:290
14991260watchdog/029548-21df_inode10:26:170
14991230watchdog/02792-21runrttasks11:37:050
14991220watchdog/023056-21munin-node11:51:370
2234501080irq/11-eth02792-21runrttasks07:27:350
806501070irq/14-ide010987-21df07:41:120
2234501060irq/11-eth08731-31tetex-bin07:33:300
2234501050irq/11-eth029411-21apt08:41:080
2234501030irq/11-eth021787-21munin-node10:01:120
223450990irq/11-eth032474-21idleruntime08:51:060
1499990watchdog/03133-21cut12:31:090
1499990watchdog/018467-21sendmail_mailtr09:51:010
223450980irq/11-eth02792-21runrttasks09:15:030
1499980watchdog/028567-21missed_timers10:21:370
1499980watchdog/02792-21runrttasks12:25:010
1499970watchdog/03069-21aten2.4_r3power07:16:130
1499970watchdog/021679-21munin-node08:16:050
1499970watchdog/016037-21aten2.4_r3power11:26:330
1499950watchdog/029122-21latency_hist12:10:530
1499940watchdog/04621-21mailstats09:06:050
1499940watchdog/02128-21aten2.4_r3power07:11:370
1499930watchdog/0549-21cstates07:06:370
1246529311sleep012489-21aten2.4_r3power11:16:100
1499910watchdog/010114-21aten2.4_r3power09:21:370
1499900watchdog/021442-21idleruntime-cro10:00:530
1499880watchdog/05597-21runrttasks10:52:450
223450850irq/11-eth024343-21chrt08:24:060
1499850watchdog/02792-21runrttasks08:11:050
80650830irq/14-ide02792-21runrttasks08:26:100
1499830watchdog/013896-21munin-node09:36:050
1499820watchdog/011257-21grep09:26:210
80650810irq/14-ide030647-21sh12:15:530
31923988113cyclictest1502-21sh12:26:070
31923988112cyclictest12638-21df_inode07:46:160
31923988013cyclictest26982-21latency08:31:350
31923988012cyclictest32700-21df_inode10:36:160
31923988012cyclictest21516-21munin-node11:46:210
1499800watchdog/07761-21if_eth009:16:050
1499800watchdog/02552-21lldpd07:56:450
31923987913cyclictest25131-21nfs_client10:11:210
31923987913cyclictest12303-21munin-node09:31:150
31923987912cyclictest5284-21aten2.4_r3power07:21:370
1499790watchdog/018680-21awk08:06:130
31923987821cyclictest23075-21latency_hist10:05:540
31923987815cyclictest10834-21df11:11:100
31923987813cyclictest3747-21netstat10:46:340
1499780watchdog/031874-21runrttasks08:47:370
31923987713cyclictest7646-21munin-node11:01:250
31923987712cyclictest2792-21runrttasks08:04:140
31923987712cyclictest15605-21aten2.4_r3power09:41:110
1499770watchdog/031363-21chrt10:31:250
31923987614cyclictest30812-21open_inodes12:16:040
31923987613cyclictest6266-21awk10:56:100
31923987612cyclictest9453-21df_inode11:06:150
31923987612cyclictest28537-21latency08:36:340
31923987612cyclictest2792-21runrttasks09:48:260
31923987612cyclictest25088-21nfs_client11:56:220
31923987612cyclictest20622-21aten2.4_r3power11:41:270
31923987612cyclictest13812-21munin-node11:21:110
31923987513cyclictest9478-21ntp_offset07:36:110
1499750watchdog/02335-21cstates08:56:370
31923987413cyclictest1912-21nfs_client10:41:220
31923987412cyclictest26060-21latency_hist10:15:550
31923987313cyclictest3085-21munin-node09:01:040
31923987312cyclictest17042-21df11:31:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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