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2026-04-26 - 02:10
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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: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack4slot3.osadl.org (updated Sun Apr 26, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
711823940,5sleep07117-21ntpq19:13:400
30012211413,31sleep030039-21switchtime20:24:000
28094210414,28sleep028097-21iostat_ios21:58:390
5758210314,15sleep05765-21ntp_states00:08:520
16900210214,16sleep016908-21memory23:03:430
8817210114,17sleep08825-21kernelversion00:18:420
1796210014,16sleep01843-21hostname23:58:200
8113999914,75cyclictest22815-21munin-node20:03:200
1550629814,16sleep015504-21ntp_states00:38:540
1188929814,16sleep011891-21irqstats21:08:400
1709629714,16sleep017110-21ls19:44:020
1387529714,22sleep013878-21ntp_states00:33:500
1196929714,16sleep011973-21hddtemp_smartct00:28:350
857029614,16sleep08571-21irqstats19:18:390
8113999621,65cyclictest13712-40yum-updatesd-he21:13:590
8113999615,71cyclictest22964-21munin-node23:23:210
710429613,16sleep07124-21kernelversion22:33:410
8113999516,46cyclictest24706-21df_inode23:28:260
8113999515,71cyclictest20310-21open_inodes23:13:550
8113999515,70cyclictest8494-21chrt22:38:260
2952029514,16sleep029528-21munin-node23:43:220
2746629514,15sleep027474-21ls20:18:070
2239629514,16sleep022397-21sshd21:40:470
1062629514,16sleep010632-21ntp_states00:23:500
8113999415,70cyclictest621-21kernelversion23:53:420
8113999415,69cyclictest8597-21munin-node20:58:340
8113999415,69cyclictest31328-21munin-node22:08:370
8113999414,71cyclictest10880-21chrt19:25:000
445429414,16sleep04501-21users00:04:070
2190529415,16sleep021903-21ntp_states23:18:530
1513429414,16sleep015137-21irqstats21:18:400
1363529415,16sleep013633-21ntp_states19:33:500
8113999314,70cyclictest9830-21munin-node21:03:560
8113999314,70cyclictest31621-21runrttasks23:48:490
8113999314,69cyclictest16846-21idleruntime00:43:360
718629314,16sleep07189-21irqstats00:13:410
1837529314,16sleep018377-21irqstats21:28:390
1821829314,16sleep018221-21df_inode23:08:280
8113999215,67cyclictest5682-21processes20:48:540
8113999215,67cyclictest4264-21grep20:44:020
8113999215,67cyclictest26742-21ntpq23:33:480
8113999214,69cyclictest5389-21munin-node22:28:320
8113999214,41cyclictest23555-21gzip21:43:570
442229215,16sleep04423-21users22:24:080
2809529214,16sleep028099-21hddtemp_smartct23:38:340
2012529213,16sleep020121-21ntp_states19:53:520
8113999115,67cyclictest28181-21netstat20:18:460
8113999114,68cyclictest32643-21cpu22:13:230
8113999114,67cyclictest207272sleep021:35:220
1674629114,16sleep016749-21iostat_ios21:23:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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