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2026-05-22 - 18:43
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 792 highest latencies:
System rack8slot1.osadl.org (updated Fri May 22, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160079945664451,0cyclictest24335-21ls00:00:500
16007993207601,0cyclictest4934-21ls20:00:560
160079928251209,0cyclictest0-21swapper00:11:380
1600799271328,0cyclictest4450-21runrttasks23:00:530
16007992590264,0cyclictest7601-1kworker/0:1H22:00:550
16007992566644,0cyclictest9-21ksoftirqd/019:25:550
16007992553714,0cyclictest26173-21ls21:00:550
16007992489550,0cyclictest9-21ksoftirqd/019:00:550
16007992424551,0cyclictest9-21ksoftirqd/019:20:550
16007992372763,0cyclictest3105-21munin-node19:55:550
16007992351657,0cyclictest9-21ksoftirqd/020:45:560
16007992348324,0cyclictest7601-1kworker/0:1H21:55:550
16007992322268,0cyclictest22525-1kworker/0:0H20:20:560
16007992320675,0cyclictest18981-21latency_hist23:45:550
16007992320568,0cyclictest9-21ksoftirqd/022:05:550
16007992312294,0cyclictest7601-1kworker/0:1H22:15:550
16007992310264,0cyclictest7601-1kworker/0:1H22:40:550
16007992260290,0cyclictest22525-1kworker/0:0H19:45:550
16007992259232,0cyclictest7601-1kworker/0:1H23:25:550
16007992221730,0cyclictest15550-21munin-node23:35:540
16007992220720,0cyclictest9-21ksoftirqd/021:15:550
16007992215264,0cyclictest22525-1kworker/0:0H19:35:550
16007992207299,0cyclictest22525-1kworker/0:0H19:15:550
16007992204318,0cyclictest7601-1kworker/0:1H00:25:560
16007992194308,0cyclictest7601-1kworker/0:1H00:20:550
16007992191824,0cyclictest24825-21egrep00:01:460
16007992188317,0cyclictest7601-1kworker/0:1H23:20:550
16007992188267,0cyclictest7601-1kworker/0:1H22:25:550
16007992186499,0cyclictest9-21ksoftirqd/021:40:550
16007992172706,0cyclictest9219-21latency_hist21:45:540
16007992125676,0cyclictest29701-21latency_hist00:15:540
16007992049681,0cyclictest13676-21latency_hist20:25:550
16007992006286,0cyclictest7601-1kworker/0:1H23:00:550
16007991870257,0cyclictest22525-1kworker/0:0H19:00:510
16007991866716,0cyclictest9-21ksoftirqd/022:35:540
16007991833648,0cyclictest9-21ksoftirqd/019:40:560
16007991832718,0cyclictest9-21ksoftirqd/021:20:550
16007991818628,0cyclictest9-21ksoftirqd/021:10:570
16007991816246,0cyclictest22525-1kworker/0:0H19:11:030
16007991759302,0cyclictest22525-1kworker/0:0H21:35:540
16007991718708,0cyclictest32014-21sendmail_mailtr22:50:590
16007991715556,0cyclictest9-21ksoftirqd/023:51:030
16007991708296,0cyclictest22525-1kworker/0:0H19:51:040
1600799170528,0cyclictest22525-1kworker/0:0H20:18:200
16007991680246,0cyclictest7601-1kworker/0:1H22:31:030
16007991666613,0cyclictest22673-21cat20:51:030
16007991660630,0cyclictest19089-21munin-node20:40:550
16007991652630,0cyclictest9-21ksoftirqd/023:31:000
16007991619201,0cyclictest7601-1kworker/0:1H23:05:540
16007991616359,0cyclictest1595-21jbd2/hda3-820:38:240
16007991607200,0cyclictest22525-1kworker/0:0H21:31:030
16007991598666,0cyclictest9-21ksoftirqd/020:11:030
16007991553290,0cyclictest7601-1kworker/0:1H22:11:030
16007991519328,0cyclictest1595-21jbd2/hda3-820:33:170
16007991513223,0cyclictest22525-1kworker/0:0H20:08:190
16007991480342,0cyclictest9-21ksoftirqd/019:33:220
16007991462308,0cyclictest9-21ksoftirqd/019:08:180
16007991453415,0cyclictest9-21ksoftirqd/021:13:360
16007991453179,0cyclictest7601-1kworker/0:1H00:10:570
16007991439362,0cyclictest9-21ksoftirqd/020:58:190
16007991435342,0cyclictest9-21ksoftirqd/022:23:180
1600799143430,0cyclictest7601-1kworker/0:1H23:43:170
16007991431604,0cyclictest9-21ksoftirqd/021:30:570
16007991375438,0cyclictest9-21ksoftirqd/023:13:160
16007991342295,0cyclictest1595-21jbd2/hda3-821:53:230
16007991327269,0cyclictest9-21ksoftirqd/022:48:120
16007991099206,0cyclictest7601-1kworker/0:1H23:15:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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