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2026-05-23 - 23:37
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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 Sat May 23, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152370,0ktimers/0242221sleep07:12:030
1514770,0ktimers/0101971sleep08:51:190
245549947640,0cyclictest8036-21kworker/u4:3+rpciod12:32:000
1514700,0ktimers/0136341sleep12:30:140
245549946936,0cyclictest25656-21awk10:22:250
1514690,0ktimers/0113911sleep08:56:400
1514670,0ktimers/0286501sleep10:40:330
1514670,0ktimers/0276131sleep10:34:180
245549946536,0cyclictest30894-21sh10:53:290
1514600,0ktimers/0104581sleep12:09:050
525504570,0irq/11-sym53c8x130250irq/15-NE200011:15:590
245549945538,0cyclictest18406-21runrttasks09:36:270
2455499445105,0cyclictest2721-21ssh11:21:150
1514430,0ktimers/060631sleep08:31:590
1514390,0ktimers/049891sleep11:34:270
245549943732,0cyclictest15415-21mailstats09:16:490
1514350,0ktimers/0296191sleep10:46:060
245549943436,0cyclictest11566-21cron12:16:320
245549943331,0cyclictest25123-21sh10:18:530
2455499432100,0cyclictest31532-21expr07:52:240
245549943132,0cyclictest3436-21nscd09:46:150
245549943042,0cyclictest15205-21diskmemload10:15:090
245549943029,0cyclictest32725-21cut11:07:330
1514270,0ktimers/0167131sleep09:25:320
245549942563,0cyclictest3437-21nscd10:11:050
245549942436,0cyclictest12686-21sshd09:02:180
245549942429,0cyclictest3890-21sh11:27:370
1514240,0ktimers/0155201sleep12:42:030
245549942351,0cyclictest5530-21chrt11:37:360
245549942295,0cyclictest10744-21sendmail_mailtr12:11:230
245549942236,0cyclictest34-1kworker/0:1H+kblockd10:01:320
245549942138,0cyclictest9163-21date12:01:200
245549942131,0cyclictest31918-21ssh11:01:350
245549941836,0cyclictest27381-21cron07:31:040
245549941541,0cyclictest21336-21sshd09:57:100
245549941336,0cyclictest28870-21df_inode07:37:090
245549941194,0cyclictest3566-21cron08:21:030
245549941029,0cyclictest9046-21munin-node08:47:170
245549940837,0cyclictest19928-21sh09:46:340
245549940835,0cyclictest3436-21nscd07:36:050
245549940831,0cyclictest30302-21grep07:47:050
245549940828,0cyclictest4411-21grep08:22:370
245549940728,0cyclictest2231-21cron08:11:030
245549940637,0cyclictest6215-21ssh11:41:300
245549940543,0cyclictest0-21swapper08:42:300
245549940540,0cyclictest719-21apt08:01:050
245549940538,0cyclictest13142-21ssh12:26:170
525504040,0irq/11-sym53c8x130250irq/15-NE200008:01:150
245549940333,0cyclictest3729-21runrttasks11:51:320
245549940332,0cyclictest18422-21ssh09:36:340
245549940248,0cyclictest24551-21cyclictest11:22:050
245549940137,0cyclictest15209-21ls09:16:060
245549940032,0cyclictest9341-21ssh12:02:130
245549939840,0cyclictest25796-21munin-node10:51:150
245549939628,0cyclictest26633-21ssh10:28:450
245549939572,0cyclictest34-1kworker/0:1H-kblockd08:41:030
245549939556,0cyclictest0-21swapper10:57:230
245549939529,0cyclictest15061-21ssh12:39:130
2455499394106,0cyclictest29633-21date07:41:150
245549939241,0cyclictest2605-21grep08:12:120
245549939034,0cyclictest5144-21mailstats08:26:390
245549939032,0cyclictest24683-21chrt07:16:190
245549938368,0cyclictest26233-21runrttasks07:25:080
245549938138,0cyclictest13586-21sed09:06:570
245549937834,0cyclictest20582-21chrt09:51:330
2455499375113,0cyclictest0-21swapper09:28:540
245549937354,0cyclictest7108-21ssh11:46:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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