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2026-05-10 - 17:30
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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 50 highest latencies:
System rack8slot1.osadl.org (updated Sun May 10, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19423992561269,0cyclictest27278-1kworker/0:0H12:01:370
19423992520561,0cyclictest18876-21latency_hist10:06:350
19423992489604,0cyclictest0-21swapper08:01:360
19423992480595,0cyclictest9-21ksoftirqd/011:01:350
19423992472612,0cyclictest28377-21latency_hist07:26:350
19423992457272,0cyclictest27278-1kworker/0:0H08:41:360
19423992453265,0cyclictest27278-1kworker/0:0H11:56:350
19423992448289,0cyclictest27278-1kworker/0:0H08:26:360
19423992446636,0cyclictest12995-21cron11:21:360
19423992438233,0cyclictest27278-1kworker/0:0H08:36:360
19423992412241,0cyclictest27278-1kworker/0:0H12:21:350
19423992403433,0cyclictest14766-21cron11:26:350
19423992386540,0cyclictest1595-21jbd2/hda3-809:16:350
19423992324696,0cyclictest20211-21latency_hist11:41:350
19423992317709,0cyclictest9-21ksoftirqd/008:51:390
19423992317259,0cyclictest27278-1kworker/0:0H11:06:350
19423992298194,0cyclictest27278-1kworker/0:0H07:16:370
19423992295492,0cyclictest9-21ksoftirqd/007:01:330
19423992269599,0cyclictest11668-21latency_hist09:46:350
19423992259420,0cyclictest9-21ksoftirqd/009:36:360
19423992214629,0cyclictest6482-21latency_hist07:56:360
19423992209264,0cyclictest27278-1kworker/0:0H11:31:380
19423992169510,0cyclictest0-21swapper11:16:350
19423992150280,0cyclictest27278-1kworker/0:0H11:36:350
19423992071246,0cyclictest27278-1kworker/0:0H10:16:350
19423992033284,0cyclictest27278-1kworker/0:0H07:41:360
19423992032223,0cyclictest27278-1kworker/0:0H10:26:360
19423992015724,0cyclictest9-21ksoftirqd/012:26:350
19423992015236,0cyclictest27278-1kworker/0:0H10:21:350
19423991960211,0cyclictest27278-1kworker/0:0H10:46:360
19423991846297,0cyclictest27278-1kworker/0:0H08:16:360
19423991822652,0cyclictest13560-21sendmail_mailtr09:51:400
19423991748487,0cyclictest9-21ksoftirqd/009:11:370
19423991707278,0cyclictest27278-1kworker/0:0H10:11:390
19423991700493,0cyclictest28672-21which09:01:370
19423991692255,0cyclictest27278-1kworker/0:0H09:56:350
19423991679303,0cyclictest27278-1kworker/0:0H08:31:410
19423991660277,0cyclictest27278-1kworker/0:0H08:06:370
19423991655274,0cyclictest27278-1kworker/0:0H09:41:340
19423991651640,0cyclictest16999-21latency_hist10:01:350
19423991631577,0cyclictest9-21ksoftirqd/009:31:480
19423991603642,0cyclictest26606-21munin-node07:21:360
19423991588261,0cyclictest27278-1kworker/0:0H07:46:460
19423991579560,0cyclictest21982-21latency_hist11:46:350
19423991574244,0cyclictest27278-1kworker/0:0H10:31:410
19423991545549,0cyclictest9544-21mailstats11:11:390
19423991505600,0cyclictest1595-21jbd2/hda3-809:26:360
19423991452163,0cyclictest0-21swapper08:59:080
19423991448693,0cyclictest4863-21mailstats07:51:480
19423991424603,0cyclictest32631-21munin-node12:16:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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