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2026-05-06 - 20:21
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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 100 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Wed May 06, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153720,0ktimers/0207071sleep07:11:060
1514690,0ktimers/0180871sleep09:36:150
1514490,0ktimers/0114171sleep09:01:070
525504210,0irq/11-sym53c8x130250irq/15-NE200011:07:370
525504200,0irq/11-sym53c8x130250irq/15-NE200008:05:190
525504000,0irq/11-sym53c8x130250irq/15-NE200012:30:480
1513920,0ktimers/0216451sleep09:55:390
525503880,0irq/11-sym53c8x130250irq/15-NE200010:36:190
2124999379154,0cyclictest14383-21apt-get09:16:160
525503740,0irq/11-sym53c8x130250irq/15-NE200008:19:470
1513730,0ktimers/0307311sleep10:50:590
1513710,0ktimers/0182321sleep12:42:470
525503700,0irq/11-sym53c8x130250irq/15-NE200010:32:020
525503660,0irq/11-sym53c8x130250irq/15-NE200007:56:050
1513620,0ktimers/025371sleep11:13:470
2124999354167,0cyclictest20608-21cron09:50:190
2124999347195,0cyclictest48-21kswapd012:10:200
2124999347117,0cyclictest815-21cron11:05:190
2124999343155,0cyclictest29872-21chrt10:46:160
1513410,0ktimers/0253611sleep07:35:450
525503360,0irq/11-sym53c8x130250irq/15-NE200008:45:300
2124999333154,0cyclictest8531-21tr11:46:010
525503270,0irq/11-sym53c8x130250irq/15-NE200007:40:290
2124999327113,0cyclictest3729-21runrttasks08:26:480
1302503260,0irq/15-NE200052550irq/11-sym53c8xx11:37:330
2124999323167,0cyclictest17131-21ssh12:37:050
1302503230,0irq/15-NE200052550irq/11-sym53c8xx12:16:140
2124999320146,0cyclictest19681-21sendmail09:45:230
2124999320118,0cyclictest6417-21ls08:36:520
2124999319123,0cyclictest3460-21snmpd10:20:160
1302503170,0irq/15-NE200052550irq/11-sym53c8xx10:12:130
2124999316169,0cyclictest31843-21tr10:56:540
212499931493,0cyclictest34-1kworker/0:1H+kblockd12:20:440
1513140,0ktimers/057841sleep11:31:140
2124999313172,0cyclictest34-1kworker/0:1H+kblockd11:25:450
2124999313143,0cyclictest15624-21ssh09:22:310
2124999313132,0cyclictest11458-21latency_hist12:05:360
525503110,0irq/11-sym53c8x130250irq/15-NE200011:41:120
2124999311168,0cyclictest894-21jbd2/sda1-809:50:420
2124999310173,0cyclictest21246-21cyclictest07:25:230
2124999310149,0cyclictest8161-21sshd08:46:040
2124999308125,0cyclictest5407-21missed_timers08:31:570
1513080,0ktimers/0290291sleep10:41:500
2124999307110,0cyclictest34-1kworker/0:1H-kblockd12:25:470
2124999306174,0cyclictest10264-21ssh11:55:440
2124999306122,0cyclictest23090-21cron10:05:200
2124999305188,0cyclictest10567-21awk08:56:380
2124999305136,0cyclictest21926-21timerandwakeup07:16:520
1302503030,0irq/15-NE200052550irq/11-sym53c8xx11:54:220
2124999302180,0cyclictest28529-21chrt07:50:290
1302503020,0irq/15-NE200052550irq/11-sym53c8xx09:35:300
2124999301189,0cyclictest0-21swapper08:10:350
2124999301163,0cyclictest24747-21netstat07:31:500
1302503010,0irq/15-NE200052550irq/11-sym53c8xx11:15:380
2124999299133,0cyclictest10080-21ls08:55:200
2124999298140,0cyclictest13053-21sort09:10:240
2124999296135,0cyclictest23370-21apt-get10:06:200
2124999294192,0cyclictest4608-21ssh11:25:310
2124999294128,0cyclictest13111-21sort09:10:280
2124999294117,0cyclictest16637-21ssh09:27:480
1302502940,0irq/15-NE200052550irq/11-sym53c8xx08:07:140
2124999292130,0cyclictest12802-21ssh12:12:120
2124999290172,0cyclictest28418-21cron07:50:190
2124999290146,0cyclictest26510-21sh10:25:200
2124999288189,0cyclictest26661-21ssh10:25:550
2124999286123,0cyclictest2883-21df_inode08:21:240
2124999285121,0cyclictest23709-21wc07:26:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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