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2026-08-20 - 04:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Thu Aug 20, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153230,0ktimers/0290461sleep19:14:530
525504150,0irq/11-sym53c8x130250irq/15-NE200000:00:110
525504120,0irq/11-sym53c8x130250irq/15-NE200020:35:020
1513990,0ktimers/0325101sleep19:33:290
525503970,0irq/11-sym53c8x130250irq/15-NE200021:51:330
525503950,0irq/11-sym53c8x130250irq/15-NE200020:11:220
525503930,0irq/11-sym53c8x130250irq/15-NE200022:50:300
3005299386175,0cyclictest12347-21latency_hist23:39:550
1513790,0ktimers/0101681sleep23:24:380
3005299372132,0cyclictest7505-21ssh23:04:550
1513720,0ktimers/0259701sleep21:39:430
525503700,0irq/11-sym53c8x130250irq/15-NE200000:20:090
525503690,0irq/11-sym53c8x130250irq/15-NE200020:16:350
1513610,0ktimers/0175921sleep00:14:300
3005299360127,0cyclictest22743-21ssh00:46:230
3005299359170,0cyclictest17880-21chrt00:15:350
3005299354169,0cyclictest16613-21sh00:06:310
3005299354144,0cyclictest370-21sort19:35:260
3005299353157,0cyclictest29882-21cron22:04:390
525503500,0irq/11-sym53c8x130250irq/15-NE200021:55:540
3005299344163,0cyclictest1952-21wc19:41:170
1513440,0ktimers/048031sleep22:47:190
3005299343200,0cyclictest3474-21chrt22:40:390
3005299342151,0cyclictest3407-21lldpd22:56:270
3005299338166,0cyclictest7461-21idleruntime-cro23:04:410
3005299335181,0cyclictest34-1kworker/0:1H+kblockd23:50:050
3005299334198,0cyclictest30800-21munin-run22:09:480
3005299332153,0cyclictest13678-21df_inode23:46:280
1302503320,0irq/15-NE200052550irq/11-sym53c8xx21:04:370
525503310,0irq/11-sym53c8x130250irq/15-NE200021:11:370
3005299331173,0cyclictest18235-21wc20:56:250
1513310,0ktimers/05441sleep22:22:320
3005299325169,0cyclictest12516-21mailstats23:40:220
525503240,0irq/11-sym53c8x130250irq/15-NE200019:50:160
3005299321135,0cyclictest2184-21chrt22:31:330
3005299319122,0cyclictest22881-21diskmemload22:37:070
3005299317161,0cyclictest5783-21ntp_states20:00:080
3005299315195,0cyclictest20448-21wget21:06:250
300529931391,0cyclictest21909-21open_inodes21:14:510
3005299313180,0cyclictest31149-21munin-node19:24:430
3005299313164,0cyclictest31668-21ssh22:15:360
3005299311174,0cyclictest15521-21ntpq20:45:070
3005299311164,0cyclictest22035-21ssh00:41:330
3005299311150,0cyclictest846-21mailstats22:25:000
3005299310153,0cyclictest23322-21ssh21:21:270
3005299310141,0cyclictest19538-21cut00:24:590
3005299310141,0cyclictest10418-21ssh23:26:030
3005299307156,0cyclictest27466-21munin-run21:49:480
3005299306147,0cyclictest0-21swapper20:39:540
3005299306134,0cyclictest31322-21chrt22:13:550
3005299305185,0cyclictest34-1kworker/0:1H+kblockd19:25:080
3005299304147,0cyclictest12321-21sed20:30:280
3005299304140,0cyclictest2675-21chrt19:45:380
3005299303157,0cyclictest11071-21apt-get23:30:500
3005299303136,0cyclictest21015-21cat00:36:110
3005299302174,0cyclictest11194-21ntp_states20:25:110
3005299302150,0cyclictest6842-21mailstats20:05:040
3005299302139,0cyclictest26227-21chrt21:41:230
3005299301149,0cyclictest0-21swapper21:31:570
3005299301137,0cyclictest20664-21ls00:34:470
3005299301134,0cyclictest15252-21wc23:59:490
3005299300156,0cyclictest10157-21df20:20:280
3005299300136,0cyclictest9577-21idleruntime-cro23:19:390
3005299299140,0cyclictest23951-21mailstats21:25:030
3005299298171,0cyclictest8877-21ssh23:13:310
1302502970,0irq/15-NE200052550irq/11-sym53c8xx20:50:100
3005299294129,0cyclictest4977-21nfs_client19:55:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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