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2026-07-16 - 17:45
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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 Thu Jul 16, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
978799447133,0cyclictest15327-21munin-node07:12:500
97879935233425,0cyclictest0-21swapper06:57:300
97879929932182,0cyclictest5131-21mailstats09:47:380
9787992592684,0cyclictest24720-21munin-node12:17:310
9787992586339,0cyclictest10394-1kworker/0:0H08:57:330
9787992574612,0cyclictest8682-21cat09:57:320
9787992535520,0cyclictest9-21ksoftirqd/010:57:310
9787992434632,0cyclictest30975-21cron07:57:330
9787992380714,0cyclictest14585-21munin-node08:42:320
9787992365749,0cyclictest5637-21latency_hist08:17:310
9787992340582,0cyclictest7511-21munin-node08:22:320
9787992340515,0cyclictest9-21ksoftirqd/008:12:310
9787992337268,0cyclictest10394-1kworker/0:0H08:37:320
9787992336742,0cyclictest23788-21latency_hist10:42:310
9787992333277,0cyclictest10394-1kworker/0:0H07:37:310
9787992315645,0cyclictest13426-21munin-node07:07:350
9787992309301,0cyclictest10394-1kworker/0:0H11:22:320
9787992300242,0cyclictest10394-1kworker/0:0H09:32:310
9787992293470,0cyclictest9-21ksoftirqd/009:52:310
9787992291545,0cyclictest9-21ksoftirqd/010:02:310
9787992286672,0cyclictest13995-21latency_hist10:12:310
9787992284514,0cyclictest0-21swapper07:52:320
9787992276586,0cyclictest9-21ksoftirqd/010:22:310
9787992273209,0cyclictest10394-1kworker/0:0H11:12:310
9787992261474,0cyclictest9-21ksoftirqd/010:32:310
9787992252648,0cyclictest22961-21latency_hist12:12:320
9787992245519,0cyclictest9-21ksoftirqd/011:02:320
978799217933,0cyclictest10394-1kworker/0:0H10:39:230
9787992174273,0cyclictest10394-1kworker/0:0H11:37:320
9787992155581,0cyclictest9-21ksoftirqd/008:02:320
9787992151266,0cyclictest10394-1kworker/0:0H08:52:320
9787992146156,0cyclictest10394-1kworker/0:0H11:57:300
9787992132263,0cyclictest10394-1kworker/0:0H07:42:310
9787992081543,0cyclictest9-21ksoftirqd/010:52:320
9787992048254,0cyclictest10394-1kworker/0:0H10:17:320
9787992035256,0cyclictest10394-1kworker/0:0H09:17:330
9787991958299,0cyclictest10394-1kworker/0:0H09:37:320
978799194534,0cyclictest15400-21perl11:49:530
978799185632,0cyclictest6459-21fschecks_time09:50:050
9787991848164,0cyclictest10394-1kworker/0:0H11:17:310
9787991822190,0cyclictest10394-1kworker/0:0H08:07:350
9787991803636,0cyclictest27546-21sendmail_mailtr07:47:350
9787991786247,0cyclictest10394-1kworker/0:0H09:27:350
9787991784512,0cyclictest9281-21cat08:27:360
9787991765480,0cyclictest9-21ksoftirqd/009:12:300
9787991751522,0cyclictest9-21ksoftirqd/007:27:360
9787991738216,0cyclictest10394-1kworker/0:0H11:42:310
9787991719271,0cyclictest10394-1kworker/0:0H07:02:320
9787991702104,0cyclictest10394-1kworker/0:0H12:02:320
9787991697244,0cyclictest10394-1kworker/0:0H11:32:320
9787991684676,0cyclictest23424-21sendmail_mailtr09:07:350
9787991684235,0cyclictest10394-1kworker/0:0H11:27:360
9787991676676,0cyclictest9-21ksoftirqd/010:27:350
9787991657680,0cyclictest12221-21sendmail_mailtr10:07:350
9787991646527,0cyclictest9-21ksoftirqd/007:22:310
9787991643494,0cyclictest9-21ksoftirqd/008:47:360
97879916361484,0cyclictest15778-21latency_hist11:52:310
9787991584484,0cyclictest25468-21which10:47:350
978799155427,0cyclictest16952-21ls07:17:320
9787991545438,0cyclictest1595-21jbd2/hda3-811:09:590
978799153195,0cyclictest10394-1kworker/0:0H12:24:480
9787991502394,0cyclictest9-21ksoftirqd/007:34:550
9787991502342,0cyclictest1595-21jbd2/hda3-812:10:080
9787991500424,0cyclictest1595-21jbd2/hda3-808:34:580
978799141682,0cyclictest10394-1kworker/0:0H09:25:060
10114100,0rcuc/07930-21cron06:52:250
9787991376230,0cyclictest9784-21cyclictest09:04:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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