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2026-06-23 - 18:56
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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 Tue Jun 23, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140180ksoftirqd/015923-21kworker/0:107:05:430
14991330watchdog/02792-21runrttasks11:31:450
14991320watchdog/012390-21missed_timers08:21:320
14991290watchdog/017211-21runrttasks08:37:320
14991250watchdog/030204-21df11:06:090
14991250watchdog/02792-21runrttasks09:07:520
14991240watchdog/04685-21munin-node09:41:320
14991230watchdog/022329-21sendmail_mailtr10:41:000
14991230watchdog/015476-21expr10:16:320
14991200watchdog/02792-21runrttasks11:05:130
14991200watchdog/02792-21runrttasks09:47:400
14991200watchdog/013483-21aten2.4_r3power10:11:160
14991180watchdog/06278-21aten2.4_r3power08:01:320
806501120irq/14-ide028331-40sh07:30:510
806501090irq/14-ide0319-21runrttasks11:14:120
2234501060irq/11-eth022777-21nfs_client12:26:190
806501040irq/14-ide0791-21df09:31:060
2234501020irq/11-eth010019-21munin-node08:16:060
2234501010irq/11-eth030106-21munin-node07:35:590
223450990irq/11-eth026779-21munin-node07:25:590
223450990irq/11-eth023790-21latency_hist09:00:490
223450970irq/11-eth02792-21runrttasks12:12:370
1499950watchdog/0653-21chrt11:15:570
1499950watchdog/03160-21aten2.4_r3power09:36:320
1499950watchdog/014655-21mailstats08:31:000
1499920watchdog/021311-21nfs_client10:36:160
223450900irq/11-eth02857-21entropy11:21:230
1499900watchdog/031861-21aten2.4_r3power07:41:080
1499890watchdog/02792-21runrttasks09:25:520
80650880irq/14-ide025230-21latency_hist12:35:500
223450880irq/11-eth025658-21egrep10:51:110
80650870irq/14-ide024606-21aten2.4_r3power09:01:270
1499870watchdog/019942-21timerandwakeup12:16:330
1499870watchdog/017515-21runrttasks10:25:280
223450860irq/11-eth019467-21ntpq08:46:070
20339988612cyclictest20592-21munin-node07:06:320
1499860watchdog/08935-21nfs_client11:41:210
1499860watchdog/02792-21runrttasks09:15:080
223450840irq/11-eth022225-21apt08:55:480
80650810irq/14-ide017843-21df08:41:070
20339988112cyclictest11473-21munin-node11:51:000
20339988013cyclictest10585-21aten2.4_r3power11:46:230
20339988012cyclictest13084-21grep11:56:010
223450790irq/11-eth03950-21df11:26:060
20339987914cyclictest2792-21runrttasks09:54:300
20339987913cyclictest21215-21nfs_client12:21:170
20339987912cyclictest2752-21nfs_client07:51:180
1499790watchdog/0188662chrt10:28:520
223450780irq/11-eth022952-21missed_timers07:11:320
20339987813cyclictest2587-21sshd10:48:260
20339987812cyclictest4064-21aten2.4_r3power07:56:080
20339987812cyclictest13095-21munin-node08:26:290
20339987811cyclictest27404-21sh10:56:160
1499780watchdog/0311042sleep009:22:400
881727715sleep00-21swapper09:56:140
20339987713cyclictest7296-21aten2.4_r3power11:36:140
20339987712cyclictest25668-21aten2.4_r3power07:21:150
20339987616cyclictest11790-21df_inode10:06:120
20339987613cyclictest16105-21munin-node12:06:180
223450750irq/11-eth024105-21open_files07:16:180
20339987513cyclictest9032-21cut08:11:220
20339987513cyclictest7804-21aten2.4_r3power08:06:320
20339987513cyclictest19292-21awk10:31:010
20339987512cyclictest15035-21nfs_client12:01:200
20339987512cyclictest10661-21aten2.4_r3power10:01:260
1499750watchdog/02137-21cron07:50:480
20339987313cyclictest29374-21cstates09:16:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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