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2026-05-23 - 08:04
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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 highest latencies:
System rack8slot1.osadl.org (updated Sat May 23, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
524399336425,0cyclictest0-21swapper21:25:470
52439933243219,0cyclictest7601-1kworker/0:1H20:55:250
5243993169640,0cyclictest3784-21sh00:01:420
5243993132852,0cyclictest101rcuc/000:00:470
52439925812077,0cyclictest0-21swapper00:11:340
5243992580577,0cyclictest5217-21cron19:00:530
5243992427432,0cyclictest195782sleep023:08:210
5243992358247,0cyclictest7601-1kworker/0:1H20:00:530
524399233629,0cyclictest26648-21mailstats23:30:570
52439923231203,0cyclictest9-21ksoftirqd/023:50:540
5243992303255,0cyclictest7601-1kworker/0:1H22:00:520
5243992271628,0cyclictest9-21ksoftirqd/021:00:530
5243992191618,0cyclictest9-21ksoftirqd/019:40:540
5243992188182,0cyclictest7601-1kworker/0:1H23:00:530
5243992174287,0cyclictest7601-1kworker/0:1H20:40:530
5243992032220,0cyclictest7601-1kworker/0:1H00:05:540
524399198328,0cyclictest31337-21fschecks_count20:13:340
5243991942271,0cyclictest7601-1kworker/0:1H23:15:520
5243991863282,0cyclictest7601-1kworker/0:1H19:00:490
5243991860202,0cyclictest7601-1kworker/0:1H19:05:520
5243991859656,0cyclictest9-21ksoftirqd/020:45:520
5243991845235,0cyclictest7601-1kworker/0:1H19:20:530
5243991830161,0cyclictest7601-1kworker/0:1H22:25:530
5243991822563,0cyclictest9-21ksoftirqd/019:30:560
5243991804705,0cyclictest12056-21munin-node00:25:520
5243991799596,0cyclictest9-21ksoftirqd/019:10:570
5243991791237,0cyclictest7601-1kworker/0:1H22:15:520
5243991778246,0cyclictest7601-1kworker/0:1H19:45:520
5243991775461,0cyclictest9-21ksoftirqd/021:40:530
5243991757269,0cyclictest7601-1kworker/0:1H21:15:530
5243991753159,0cyclictest7601-1kworker/0:1H20:25:520
5243991740312,0cyclictest7601-1kworker/0:1H22:20:520
5243991735595,0cyclictest9-21ksoftirqd/019:53:370
5243991732654,0cyclictest9-21ksoftirqd/023:20:530
5243991731229,0cyclictest7601-1kworker/0:1H21:45:520
5243991726292,0cyclictest7601-1kworker/0:1H19:35:520
5243991723241,0cyclictest7601-1kworker/0:1H20:35:510
5243991717257,0cyclictest7601-1kworker/0:1H23:40:520
5243991714248,0cyclictest7601-1kworker/0:1H19:55:520
5243991712778,0cyclictest494-21munin-node22:05:520
5243991702613,0cyclictest0-21swapper21:35:510
5243991697720,0cyclictest12230-21latency_hist22:45:530
5243991694549,0cyclictest15746-21munin-node22:55:510
5243991684530,0cyclictest9-21ksoftirqd/021:05:520
5243991683173,0cyclictest7601-1kworker/0:1H20:05:520
5243991681537,0cyclictest9-21ksoftirqd/022:35:520
5243991669297,0cyclictest7601-1kworker/0:1H20:20:520
5243991667609,0cyclictest1595-21jbd2/hda3-821:25:530
5243991663622,0cyclictest28402-21ls23:35:530
5243991639552,0cyclictest9-21ksoftirqd/000:15:510
5243991623246,0cyclictest7601-1kworker/0:1H19:15:520
5243991611481,0cyclictest9-21ksoftirqd/021:55:520
5243991610230,0cyclictest7601-1kworker/0:1H22:40:530
5243991608270,0cyclictest7601-1kworker/0:1H21:11:030
5243991601666,0cyclictest28431-21open_inodes21:51:040
5243991588576,0cyclictest31745-21sendmail_mailtr20:15:560
5243991556161,0cyclictest7601-1kworker/0:1H20:31:020
5243991540366,0cyclictest23364-21fschecks_count21:33:350
5243991521718,0cyclictest436-21latency_hist23:51:020
5243991515523,0cyclictest1595-21jbd2/hda3-820:56:110
5243991492353,0cyclictest1595-21jbd2/hda3-822:53:320
5243991472258,0cyclictest7601-1kworker/0:1H23:15:570
5243991406358,0cyclictest1595-21jbd2/hda3-800:28:200
5243991360291,0cyclictest9-21ksoftirqd/023:33:370
5243991351514,0cyclictest9-21ksoftirqd/022:11:020
5243991327279,0cyclictest9-21ksoftirqd/019:33:200
5243991107259,0cyclictest7601-1kworker/0:1H22:31:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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