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2026-04-17 - 15:47
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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 Fri Apr 17, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3941992988319,0cyclictest26193-1kworker/0:2H12:02:570
3941992710342,0cyclictest20824-1kworker/0:0H10:02:570
3941992709250,0cyclictest20824-1kworker/0:0H09:02:570
3941992430689,0cyclictest8886-21ls10:22:570
3941992394690,0cyclictest9-21ksoftirqd/009:42:580
3941992383261,0cyclictest20824-1kworker/0:0H09:17:580
3941992373637,0cyclictest0-21swapper08:47:570
3941992347731,0cyclictest7051-21sendmail_mailtr08:42:580
3941992346307,0cyclictest20824-1kworker/0:0H10:17:580
3941992345322,0cyclictest26193-1kworker/0:2H11:22:580
3941992343309,0cyclictest20824-1kworker/0:0H10:57:580
3941992339651,0cyclictest4081-21latency_hist11:42:560
3941992337376,0cyclictest20824-1kworker/0:0H09:47:570
3941992324239,0cyclictest20824-1kworker/0:0H10:47:570
3941992322534,0cyclictest9-21ksoftirqd/010:37:580
3941992288522,0cyclictest9-21ksoftirqd/009:07:580
3941992271704,0cyclictest10657-21which10:27:580
39419922672178,0cyclictest9-21ksoftirqd/007:02:570
3941992246602,0cyclictest9-21ksoftirqd/008:27:580
3941992232692,0cyclictest9-21ksoftirqd/012:22:580
3941992214688,0cyclictest23532-21latency_hist07:57:560
3941992122282,0cyclictest20824-1kworker/0:0H10:42:580
3941992060522,0cyclictest9-21ksoftirqd/008:17:580
3941992057323,0cyclictest20824-1kworker/0:0H09:22:570
3941992051286,0cyclictest20824-1kworker/0:0H08:07:570
3941992042323,0cyclictest26193-1kworker/0:2H11:37:570
3941992038560,0cyclictest9-21ksoftirqd/008:57:590
3941992034315,0cyclictest26193-1kworker/0:2H12:07:570
3941991991272,0cyclictest20824-1kworker/0:0H08:22:570
3941991980267,0cyclictest20824-1kworker/0:0H07:27:580
3941991935245,0cyclictest20824-1kworker/0:0H09:37:570
3941991922248,0cyclictest26193-1kworker/0:2H11:27:570
3941991915241,0cyclictest26193-1kworker/0:2H12:27:570
3941991902108,0cyclictest26193-1kworker/0:2H11:17:570
3941991884800,0cyclictest25206-21latency_hist08:02:570
3941991870462,0cyclictest9-21ksoftirqd/010:13:010
3941991868240,0cyclictest20824-1kworker/0:0H07:22:580
3941991849651,0cyclictest9-21ksoftirqd/007:53:000
3941991838610,0cyclictest9-21ksoftirqd/007:48:040
3941991821623,0cyclictest16457-21sendmail_mailtr07:37:580
3941991815659,0cyclictest14668-21munin-node07:33:010
394199179829,0cyclictest0-21swapper12:15:210
3941991786642,0cyclictest4137-21lldpd08:13:010
3941991785187,0cyclictest26193-1kworker/0:2H12:17:570
3941991778304,0cyclictest20824-1kworker/0:0H08:53:020
3941991749529,0cyclictest5276-21munin-node08:37:590
3941991690524,0cyclictest9-21ksoftirqd/008:33:020
3941991648302,0cyclictest26193-1kworker/0:2H11:33:000
3941991648294,0cyclictest5845-21munin-node07:07:580
3941991632520,0cyclictest9-21ksoftirqd/009:33:010
3941991592669,0cyclictest30734-21aten2.4_r8power09:53:080
3941991577313,0cyclictest26193-1kworker/0:2H11:53:070
3941991555410,0cyclictest9-21ksoftirqd/010:07:580
3941991553371,0cyclictest4320-21ntpd07:15:280
3941991550328,0cyclictest1595-21jbd2/hda3-807:20:250
3941991542468,0cyclictest9-21ksoftirqd/011:05:080
3941991538358,0cyclictest1595-21jbd2/hda3-810:55:250
3941991514472,0cyclictest25541-21fschecks_time11:10:170
3941991505318,0cyclictest9-21ksoftirqd/011:15:270
3941991492471,0cyclictest19506-21perl07:45:150
3941991464461,0cyclictest9-21ksoftirqd/009:30:160
3941991443185,0cyclictest1211-21tune2fs10:00:080
3941991392511,0cyclictest7262-21perl11:50:150
3941991390297,0cyclictest1595-21jbd2/hda3-809:15:160
3941991354135,0cyclictest20824-1kworker/0:0H10:33:060
3941991345404,0cyclictest9-21ksoftirqd/012:00:150
3205223881,0sleep03153-21nfsd06:58:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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