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2026-04-20 - 01:28
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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 376 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sun Apr 19, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151154810,0ktimers/0269741sleep07:10:220
525504770,0irq/11-sym53c8x130250irq/15-NE200011:50:080
1514770,0ktimers/0164911sleep12:13:100
274999947439,0cyclictest5348-21munin-run11:04:400
2749999469116,0cyclictest29950-21ssh10:15:000
2749999468130,0cyclictest0-21swapper08:22:190
274999946437,0cyclictest3376-21syslogd09:39:360
1514610,0ktimers/0136371sleep08:41:370
1514600,0ktimers/0204451sleep12:38:030
274999945735,0cyclictest31169-21ls07:34:480
1514560,0ktimers/080121sleep11:21:420
274999945130,0cyclictest5989-21cut08:06:280
1514440,0ktimers/0173631sleep09:00:260
274999944129,0cyclictest29152-21ssh10:10:240
1514410,0ktimers/0275641sleep10:00:090
2749999437101,0cyclictest15104-21sh12:04:360
1514320,0ktimers/0174551sleep12:18:390
274999943198,0cyclictest19373-21grep09:09:520
1514310,0ktimers/0288841sleep10:09:220
1514310,0ktimers/013901sleep10:36:570
1514280,0ktimers/0258191sleep09:50:310
274999942499,0cyclictest22025-21ssh09:25:040
2749999424116,0cyclictest32316-21mailstats07:39:510
274999942182,0cyclictest10585-21munin-plugin-st08:29:360
274999941963,0cyclictest6361-21munin-node08:09:480
274999941942,0cyclictest24907-21sh09:45:340
274999941756,0cyclictest18619-21ssh12:25:050
2749999417110,0cyclictest0-21swapper11:32:020
525504160,0irq/11-sym53c8x130250irq/15-NE200011:09:470
274999941466,0cyclictest32726-21df_inode10:31:200
274999941439,0cyclictest18204-21ssh12:21:570
274999941363,0cyclictest2966-21cron07:54:340
274999941354,0cyclictest18619-21switchtime09:05:520
2749999413130,0cyclictest12389-21ssh11:49:490
274999941237,0cyclictest31421-21ntpq07:35:340
2749999411129,0cyclictest0-21swapper09:41:400
274999940937,0cyclictest20316-21diskmemload11:41:560
274999940734,0cyclictest26973-21iostat09:56:280
274999940730,0cyclictest7178-21cut11:16:560
274999940657,0cyclictest299521chrt07:28:280
2749999406124,0cyclictest3097-21kworker/u4:0+rpciod12:07:300
525504050,0irq/11-sym53c8x130250irq/15-NE200008:14:440
274999940435,0cyclictest2302-21chrt10:41:560
274999940376,0cyclictest21511-21cron12:44:360
274999940341,0cyclictest20316-21diskmemload09:22:240
274999940237,0cyclictest31697-21ssh10:24:450
274999940233,0cyclictest4075-21cron07:59:340
274999940230,0cyclictest10825-21sh11:39:360
274999940191,0cyclictest0-21swapper07:14:440
274999940136,0cyclictest2732-21sed10:45:050
2749999400108,0cyclictest0-21swapper08:39:350
274999939964,0cyclictest4049-21ssh10:53:480
274999939939,0cyclictest3460-21snmpd08:50:290
274999939831,0cyclictest11093-21awk08:30:520
2749999397119,0cyclictest6097-21ssh11:10:050
274999939538,0cyclictest5160-21apt08:04:380
274999939383,0cyclictest0-21swapper09:16:490
274999939234,0cyclictest14234-21ls11:59:460
274999939233,0cyclictest19463-21grep12:31:080
274999939039,0cyclictest23101-21munin-run09:34:400
274999938490,0cyclictest14552-21wc08:46:180
274999938334,0cyclictest1307-21awk07:45:540
274999938272,0cyclictest32105-21chrt10:27:480
274999938235,0cyclictest4527-21ssh10:57:290
274999937589,0cyclictest48-21kswapd007:24:350
2749999371101,0cyclictest16226-21chrt08:55:160
2749999368104,0cyclictest0-21swapper11:27:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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