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2026-06-10 - 09:07
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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 Wed Jun 10, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152750,0ktimers/056221sleep19:14:080
1514600,0ktimers/062981sleep19:18:060
58109945830,0cyclictest3376-21syslogd22:06:480
1514570,0ktimers/0111191sleep22:48:020
1514530,0ktimers/026381sleep21:53:270
1514520,0ktimers/0213961sleep23:55:410
58109945084,0cyclictest14890-21munin-node23:12:040
1514500,0ktimers/0314161sleep21:27:580
2014450,0rcuc/0120631chrt22:53:540
1514430,0ktimers/0193601sleep23:41:380
581099437126,0cyclictest22415-21ssh00:03:090
1514300,0ktimers/0129221sleep22:58:460
58109942045,0cyclictest894-21jbd2/sda1-800:32:080
58109941928,0cyclictest15585-21ssh23:17:120
1514190,0ktimers/0310761sleep21:25:490
1514180,0ktimers/035151chrt21:58:490
58109941725,0cyclictest29922-21diskmemload23:22:160
1514170,0ktimers/0107791sleep22:45:520
525504150,0irq/11-sym53c8x130250irq/15-NE200023:12:290
581099414123,0cyclictest0-21swapper22:35:180
525504120,0irq/11-sym53c8x130250irq/15-NE200020:06:550
58109941185,0cyclictest24510-21latency_hist20:52:000
58109940745,0cyclictest0-21swapper20:24:520
581099407105,0cyclictest29936-21ssh21:16:580
58109940535,0cyclictest14504-21chrt20:01:240
58109940430,0cyclictest526-21ssh21:41:480
58109940368,0cyclictest0-21swapper20:27:080
58109940337,0cyclictest11286-21munin-run19:46:520
58109940335,0cyclictest48-21kswapd020:47:280
58109940329,0cyclictest22571-21chrt20:40:560
58109940139,0cyclictest3729-21runrttasks21:47:520
58109940133,0cyclictest9738-21munin-node22:38:160
581099401138,0cyclictest13723-21ssh23:03:290
58109940084,0cyclictest0-21swapper21:20:240
58109939937,0cyclictest3460-21snmpd00:42:170
58109939830,0cyclictest26176-21ssh00:24:440
581099398113,0cyclictest24569-21ssh00:17:000
1513970,0ktimers/076541sleep22:24:520
58109939629,0cyclictest23331-21grep20:43:240
58109939628,0cyclictest20354-21ssh23:49:200
58109939432,0cyclictest26744-21ssh00:29:160
58109939427,0cyclictest7278-21latency_hist19:26:560
58109939330,0cyclictest24827-21ssh00:17:520
58109939233,0cyclictest29922-21diskmemload00:01:160
58109939040,0cyclictest17838-21ssh23:32:450
58109939027,0cyclictest5109-21ssh22:08:400
58109939027,0cyclictest11611-21chrt19:47:440
58109938986,0cyclictest6394-21open_inodes22:17:030
581099388100,0cyclictest16418-21cron20:11:480
58109938635,0cyclictest21197-21sort20:33:280
58109938629,0cyclictest27835-21open_inodes21:07:000
58109938628,0cyclictest0-21swapper21:32:360
58109938627,0cyclictest8998-21chrt19:34:440
58109938527,0cyclictest6750-21munin-node23:28:320
58109938495,0cyclictest0-21swapper00:41:060
58109938360,0cyclictest3729-21runrttasks23:44:480
58109938330,0cyclictest266021chrt21:00:440
58109938230,0cyclictest8290-21ssh22:30:080
58109938229,0cyclictest3465-21lldpd19:27:090
58109938228,0cyclictest23513-21ssh00:10:360
58109938225,0cyclictest12932-21nfs_client19:53:080
58109938027,0cyclictest276451chrt21:05:080
58109937927,0cyclictest17026-21cut20:13:120
58109937428,0cyclictest1066-21ssh21:43:520
58109937331,0cyclictest0-21swapper19:39:320
581099373113,0cyclictest0-21swapper22:17:550
581099370138,0cyclictest0-21swapper20:17:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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