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2026-07-21 - 05:33
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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 100 highest latencies:
System rack3slot7.osadl.org (updated Tue Jul 21, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/012248-21kworker/0:218:59:140
14991370watchdog/021635-21ntp_offset00:19:180
14991360watchdog/012094-21latency_hist22:03:580
14991310watchdog/026689-21kernelversion22:49:340
14991300watchdog/02925-21munin-node23:19:340
14991280watchdog/02792-21runrttasks20:04:020
14991270watchdog/05435-21aten2.4_r3power19:54:420
14991260watchdog/025345-21cstates00:29:430
14991240watchdog/032267-21mailstats23:09:100
14991230watchdog/030406-21runrttasks23:02:220
14991230watchdog/02792-21runrttasks22:44:060
14991230watchdog/018290-21idleruntime-cro20:38:580
14991220watchdog/028717-21seq21:11:020
14991210watchdog/0197372sleep020:43:140
14991190watchdog/031577-21missed_timers21:19:420
14991190watchdog/025514-21aten2.4_r3power19:14:420
14991190watchdog/022399-21cstates19:04:420
2234501180irq/11-eth01424-21mailstats21:29:120
14991170watchdog/02180-21missed_timers23:14:420
14991170watchdog/013600-21runrttasks22:08:500
14991150watchdog/06518-21aten2.4_r3power19:59:260
14991130watchdog/03471-21nfs_client21:34:300
14991130watchdog/020380-21nfs_client00:14:300
14991120watchdog/06503-21nfs_client21:44:300
14991120watchdog/016458-21chrt00:02:100
14991120watchdog/012748-21needreboot23:49:300
14991120watchdog/010814-21sed23:44:180
14991110watchdog/014248-21nfs_client20:24:260
14991110watchdog/011960-21runrttasks20:17:380
14991090watchdog/023244-21df_inode00:24:220
14991090watchdog/013958-21aten2.4-expect23:54:180
14991080watchdog/027079-21runrttasks19:19:500
14991070watchdog/0239782sleep019:09:460
2234501060irq/11-eth021274-21munin-node23:39:100
14991060watchdog/017739-21runrttasks00:05:020
23769210312sleep023819-21latency20:54:410
2383429611sleep023889-21aten2.4_r3power22:39:430
2213929513sleep022142-21munin-node22:34:380
223450930irq/11-eth02792-21runrttasks21:53:590
223450920irq/11-eth018716-21unixbench_singl00:09:240
223450900irq/11-eth0694-21expr21:24:440
223450900irq/11-eth030801-21idleruntime23:04:120
223450880irq/11-eth09319-21seq21:54:170
1499850watchdog/02792-21runrttasks19:45:260
1499850watchdog/017130-21awk22:19:220
1499850watchdog/015418-21munin-node20:29:140
1499850watchdog/015320-21cut22:14:100
1499840watchdog/05913-21latency_hist21:43:580
2006128211sleep020138-21munin-node20:44:180
21278988113cyclictest2989-21mailstats19:49:090
21278988112cyclictest6888-21aten2.4_r3power23:29:440
1499810watchdog/0894-21chrt19:40:420
21278988014cyclictest5685-21seq23:27:200
21278988012cyclictest29898-21aten2.4_r3power21:14:380
223450790irq/11-eth024613-21irqstats20:59:110
21278987913cyclictest31672-21aten2.4_r3power19:34:430
21278987913cyclictest21490-21munin-node20:49:260
21278987812cyclictest28082-21aten2.4_r3power22:54:280
21278987812cyclictest19912-21munin-node22:29:130
21278987613cyclictest27720-21mailstats19:24:090
21278987613cyclictest26629-21nfs_client21:04:280
21278987612cyclictest8258-21aten2.4_r3power23:34:360
21278987612cyclictest29249-21mailstats19:29:100
21278987612cyclictest18377-21munin-node22:24:100
21278987612cyclictest12508-21cpu20:19:210
80650750irq/14-ide013864-21df22:09:160
21278987413cyclictest9358-21grep20:09:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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