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2026-04-02 - 10:09
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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 Thu Apr 02, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/023370-21kworker/0:018:57:590
262149815213cyclictest15432-21runrttasks21:57:240
262149815113cyclictest29479-21munin-node22:43:120
262149815013cyclictest1167-21runrttasks22:54:480
262149814413cyclictest9513-21munin-node19:52:590
14991310watchdog/03019-21runrttasks20:55:000
823501070irq/14-ide023377-21df00:08:050
14991060watchdog/030976-21latency_hist19:17:480
2460501040irq/11-eth020704-21nfs_client23:58:160
14991030watchdog/026629-21df_inode00:18:080
14991030watchdog/024816-21munin-node00:13:160
823501020irq/14-ide0262092chrt19:02:480
14991000watchdog/07810-21latency_hist23:17:480
14991000watchdog/07798-21latency_hist19:47:480
14991000watchdog/03019-21runrttasks21:11:000
14991000watchdog/03019-21runrttasks19:09:120
14991000watchdog/024560-21seq22:26:240
14991000watchdog/019765-21runrttasks22:10:040
246050990irq/11-eth0563-21unixbench_singl19:23:100
1499990watchdog/016717-21runrttasks23:45:400
1499980watchdog/03019-21runrttasks23:51:360
1499980watchdog/03019-21runrttasks23:27:440
1499980watchdog/025582-21munin-node20:43:240
246050950irq/11-eth012690-21aten2.4_r3power23:33:050
246050940irq/11-eth01962-21cpu19:28:070
1499940watchdog/021908-21ntp_states20:33:000
246050930irq/11-eth04837-21mailstats21:22:580
1499930watchdog/06320-21munin-node23:13:120
1499930watchdog/03922-21aten2.4_r3power23:03:240
1499910watchdog/030938-21latency_hist21:02:480
1499910watchdog/014119-21munin-node23:38:000
1499900watchdog/012390-21latency_hist21:47:480
246050880irq/11-eth027923-21mailstats00:22:590
1499880watchdog/023607-21cpu20:38:080
1499880watchdog/015860-21cpu21:58:120
1499870watchdog/08636-21timerandwakeup21:33:280
1499870watchdog/011386-21chrt21:43:120
1499860watchdog/04815-21mailstats23:08:000
1499860watchdog/03019-21runrttasks22:31:040
26214988512cyclictest20352-21df22:13:050
1499850watchdog/017772-21needreboot20:18:200
1499840watchdog/032441-21seq21:07:320
1499840watchdog/03019-21runrttasks00:04:560
26214988312cyclictest12351-21sendmail23:32:480
26214988214cyclictest16351-21aten2.4-expect20:13:250
1499820watchdog/03019-21runrttasks20:52:120
1499820watchdog/022760-21runrttasks22:19:120
26214988013cyclictest11421-21unixbench_singl19:58:120
26214988012cyclictest14392-21df_inode20:08:100
3134127912sleep031360-21munin-node19:18:080
26214987912cyclictest31540-21nfs_client22:48:170
26214987911cyclictest5286-21aten2.4_r3power19:38:130
26214987813cyclictest27312-21runrttasks22:33:330
26214987812cyclictest19116-21nfs_client23:53:160
26214987812cyclictest17396-21cpu22:03:090
1499780watchdog/027992sleep021:15:000
26214987713cyclictest4170-21expr19:33:290
26214987712cyclictest6835-21aten2.4_r3power19:43:150
1499770watchdog/03019-21runrttasks00:30:160
26214987613cyclictest6401-21mailstats21:27:580
26214987613cyclictest20260-21munin-node20:27:570
26214987613cyclictest12741-21swap20:03:040
26214987612cyclictest3355-21idleruntime21:18:000
26214987612cyclictest19425-21aten2.4_r3power20:23:250
26214987513cyclictest1653-21munin-node22:57:590
26214987413cyclictest28219-21df_inode22:38:100
26214987412cyclictest9439-21munin-node21:38:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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