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2026-05-13 - 13:57
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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 Wed May 13, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
907199391826,0cyclictest13025-21df_inode00:02:140
9071993011829,0cyclictest0-21swapper23:21:220
9071992610559,0cyclictest9-21ksoftirqd/022:01:280
9071992518648,0cyclictest16820-21cron21:01:300
9071992496279,0cyclictest23139-1kworker/0:0H19:26:280
9071992493683,0cyclictest27978-21mailstats23:11:350
9071992343247,0cyclictest23139-1kworker/0:0H20:01:280
9071992337284,0cyclictest8973-1kworker/0:1H21:21:280
9071992334311,0cyclictest23139-1kworker/0:0H19:41:280
9071992315737,0cyclictest14450-21munin-node19:16:290
9071992311289,0cyclictest8973-1kworker/0:1H21:16:280
9071992309318,0cyclictest8973-1kworker/0:1H21:46:280
9071992307750,0cyclictest17723-21munin-node22:41:280
9071992307729,0cyclictest0-21swapper00:21:260
9071992307682,0cyclictest9-21ksoftirqd/022:26:280
9071992298233,0cyclictest8973-1kworker/0:1H23:36:270
9071992295637,0cyclictest9-21ksoftirqd/023:21:270
9071992250252,0cyclictest8973-1kworker/0:1H23:46:280
9071992231266,0cyclictest8973-1kworker/0:1H23:06:270
9071992223529,0cyclictest9-21ksoftirqd/022:51:310
9071992208561,0cyclictest9-21ksoftirqd/023:26:270
9071992193709,0cyclictest9-21ksoftirqd/019:06:280
9071992157267,0cyclictest23139-1kworker/0:0H19:21:280
9071992147279,0cyclictest8973-1kworker/0:1H00:16:260
9071992131297,0cyclictest8973-1kworker/0:1H23:41:270
9071992060250,0cyclictest23139-1kworker/0:0H20:06:280
9071992004165,0cyclictest8973-1kworker/0:1H21:06:280
9071991973224,0cyclictest8973-1kworker/0:1H22:06:280
9071991855227,0cyclictest23139-1kworker/0:0H20:16:280
9071991842286,0cyclictest8973-1kworker/0:1H22:56:270
9071991815277,0cyclictest8973-1kworker/0:1H22:36:280
9071991810617,0cyclictest16074-21latency_hist00:11:310
9071991764279,0cyclictest23139-1kworker/0:0H19:56:290
9071991750220,0cyclictest23139-1kworker/0:0H20:21:290
9071991749247,0cyclictest8973-1kworker/0:1H22:21:280
9071991745273,0cyclictest23139-1kworker/0:0H19:36:280
9071991727343,0cyclictest23139-1kworker/0:0H20:36:280
9071991722292,0cyclictest8973-1kworker/0:1H22:31:320
9071991720690,0cyclictest13408-21ls20:51:320
9071991719280,0cyclictest8973-1kworker/0:1H21:36:340
9071991662564,0cyclictest9142-21latency_hist23:51:320
9071991655316,0cyclictest23139-1kworker/0:0H19:11:330
9071991643301,0cyclictest23139-1kworker/0:0H19:01:270
9071991631302,0cyclictest8973-1kworker/0:1H20:46:280
9071991612334,0cyclictest1595-21jbd2/hda3-822:49:100
9071991610335,0cyclictest23139-1kworker/0:0H19:01:220
9071991605258,0cyclictest8973-1kworker/0:1H22:16:270
9071991591288,0cyclictest8973-1kworker/0:1H23:31:320
9071991590250,0cyclictest8973-1kworker/0:1H21:51:320
90719915901490,0cyclictest0-21swapper22:13:580
9071991560427,0cyclictest9-21ksoftirqd/021:58:530
9071991555485,0cyclictest15770-21fschecks_count00:08:560
90719914931362,0cyclictest9-21ksoftirqd/000:01:090
9071991474539,0cyclictest4320-21ntpd19:34:030
9071991460175,0cyclictest8973-1kworker/0:1H23:01:270
9071991459276,0cyclictest8973-1kworker/0:1H21:31:400
9071991425249,0cyclictest8973-1kworker/0:1H00:26:270
9071991418267,0cyclictest9-21ksoftirqd/020:59:010
9071991403206,0cyclictest23139-1kworker/0:0H19:51:370
9071991380764,0cyclictest4450-21runrttasks19:51:320
9071991334276,0cyclictest23139-1kworker/0:0H20:26:330
9071991334107,0cyclictest8973-1kworker/0:1H21:11:390
90719913071204,0cyclictest8973-1kworker/0:1H21:43:150
9071991198235,0cyclictest8973-1kworker/0:1H21:26:290
9071991169242,0cyclictest8973-1kworker/0:1H20:41:280
907199800478,0cyclictest9-21ksoftirqd/020:32:460
907199784456,0cyclictest9-21ksoftirqd/020:12:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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