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2026-05-31 - 10:37
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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 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sun May 31, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151460,0ktimers/075431sleep19:12:340
78019949960,0cyclictest15896-21sendmail_mailtr23:01:390
1514780,0ktimers/0124301sleep22:41:120
1514740,0ktimers/0147581sleep19:52:240
1514710,0ktimers/0139751sleep19:47:300
1514670,0ktimers/0223581sleep23:44:290
1514660,0ktimers/060201chrt21:57:200
1514660,0ktimers/0267241sleep00:15:210
1514620,0ktimers/0298981sleep21:08:030
1514580,0ktimers/0129011sleep22:44:520
780199454110,0cyclictest0-21swapper23:04:270
1514530,0ktimers/0232251sleep23:51:380
525504510,0irq/11-sym53c8x130250irq/15-NE200000:21:420
78019945064,0cyclictest0-21swapper20:17:590
1514500,0ktimers/037091sleep21:43:040
780199445103,0cyclictest32448-21ssh21:21:490
1514430,0ktimers/0249731sleep20:42:260
525504420,0irq/11-sym53c8x130250irq/15-NE200020:58:210
1514420,0ktimers/0318711sleep00:44:390
525504410,0irq/11-sym53c8x130250irq/15-NE200021:51:440
1514410,0ktimers/0201401sleep23:28:360
1514400,0ktimers/012221sleep21:29:360
1514390,0ktimers/0110961sleep22:31:500
780199437114,0cyclictest29989-21ssh00:34:150
78019943368,0cyclictest9843-21kworker/u4:1-xprtiod23:17:430
1514310,0ktimers/073651sleep22:06:420
78019942948,0cyclictest48-21kswapd023:32:190
1514270,0ktimers/0172881sleep23:10:460
780199425110,0cyclictest3436-21nscd19:31:500
78019941788,0cyclictest8049-21awk19:17:090
78019941769,0cyclictest29274-21munin-node21:06:350
1514170,0ktimers/0258041sleep00:07:090
78019941631,0cyclictest17733-21mailstats20:06:390
78019941568,0cyclictest48-21kswapd021:37:230
78019941534,0cyclictest1688-21chrt21:32:180
78019941485,0cyclictest21384-21latency_hist20:26:470
78019941343,0cyclictest15602-21grep19:56:380
78019941063,0cyclictest0-21swapper20:12:130
78019940872,0cyclictest0-21swapper21:12:220
78019940858,0cyclictest25598-21ssh00:06:230
780199408101,0cyclictest31377-21diskmemload00:38:480
1514050,0ktimers/0220261sleep23:41:450
78019940439,0cyclictest23594-21munin-node20:36:530
78019940330,0cyclictest24215-21grep23:58:130
78019940138,0cyclictest26387-21chrt20:51:380
78019940130,0cyclictest10079-21grep22:26:390
78019940030,0cyclictest48-21kswapd019:26:390
78019940029,0cyclictest31377-21diskmemload22:47:590
78019939937,0cyclictest23557-21idleruntime-cro20:36:230
525503990,0irq/11-sym53c8x130250irq/15-NE200019:41:580
78019939770,0cyclictest19805-21ls23:26:240
78019939693,0cyclictest27888-21grep00:21:490
78019939636,0cyclictest14644-21sh22:53:410
78019939634,0cyclictest3460-21snmpd20:01:420
78019939336,0cyclictest18309-21chrt23:16:320
78019939030,0cyclictest21414-21touch20:26:300
78019938935,0cyclictest12713-21runrttasks19:40:080
78019938931,0cyclictest9173-21cat22:21:350
1513880,0ktimers/046071sleep21:49:110
78019938789,0cyclictest48-21kswapd000:29:190
78019938534,0cyclictest7311-21munin-node22:06:530
780199382111,0cyclictest0-21swapper22:30:050
780199382102,0cyclictest256951chrt20:47:020
78019937876,0cyclictest8070-21ssh22:12:040
780199378105,0cyclictest0-21swapper21:19:200
78019937239,0cyclictest23646-21ssh23:55:070
78019936557,0cyclictest3434-21nscd19:21:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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