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2026-05-09 - 15:51
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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 Sat May 09, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152750,0ktimers/0248131sleep07:11:280
1514670,0ktimers/0237991sleep10:27:350
1514610,0ktimers/067221sleep08:35:190
251129945981,0cyclictest9072-21cut12:25:520
1514590,0ktimers/095491sleep12:30:250
1514570,0ktimers/086041sleep08:46:240
251129945588,0cyclictest779-21ssh11:32:590
1514550,0ktimers/049281sleep08:22:040
1514550,0ktimers/0164501sleep09:36:440
2511299451105,0cyclictest0-21swapper08:36:570
251129944993,0cyclictest31433-21sort11:20:440
1514470,0ktimers/023461sleep11:43:330
525504460,0irq/11-sym53c8x130250irq/15-NE200007:25:500
251129944689,0cyclictest13288-21sshd09:15:550
251129944377,0cyclictest14112-21awk09:21:550
1514420,0ktimers/0171341sleep09:41:510
251129944175,0cyclictest3618-21ssh11:52:160
1514370,0ktimers/0187721sleep09:53:430
2511299433104,0cyclictest10840-21munin-node09:00:390
1514330,0ktimers/023301sleep08:08:500
2511299431116,0cyclictest11968-21cron12:45:290
251129942993,0cyclictest22313-21ssh10:17:000
251129942892,0cyclictest11751-21grep09:05:590
251129942885,0cyclictest3366-21runrttasks08:15:440
251129942683,0cyclictest20-21rcuc/012:05:570
1514240,0ktimers/098591sleep12:32:240
251129942390,0cyclictest18413-21mailstats09:50:510
251129942290,0cyclictest6524-21munin-run12:10:350
251129942091,0cyclictest25750-21mailstats10:40:530
251129942053,0cyclictest6614-21ls12:10:450
2511299420100,0cyclictest0-21swapper10:22:000
251129941999,0cyclictest27207-21ssh10:50:520
251129941935,0cyclictest26182-21cron07:20:270
251129941798,0cyclictest32189-21ssh11:26:280
251129941794,0cyclictest25111-21cyclictest12:39:250
251129941590,0cyclictest9287-21cut08:50:450
251129941572,0cyclictest24386-21sh10:31:490
251129941496,0cyclictest31977-21ssh11:25:350
251129941488,0cyclictest3432-21nscd07:35:280
2511299414102,0cyclictest0-21swapper11:06:020
251129941389,0cyclictest20605-21wc10:05:560
251129941332,0cyclictest26352-21munin-node11:11:180
251129941283,0cyclictest21478-21ssh10:12:170
251129941268,0cyclictest12338-21cron09:10:390
2511299412119,0cyclictest5854-21sendmail-mta08:28:580
2511299411100,0cyclictest0-21swapper11:01:260
1514110,0ktimers/0306571sleep07:46:320
251129940895,0cyclictest28650-21munin-run11:00:340
2511299408101,0cyclictest0-21swapper10:49:240
251129940696,0cyclictest0-21swapper10:37:070
251129940634,0cyclictest16256-21latency_hist09:35:380
251129940291,0cyclictest0-21swapper12:20:070
2511299402106,0cyclictest0-21swapper11:59:280
251129940184,0cyclictest0-21swapper11:39:010
251129940138,0cyclictest894-21jbd2/sda1-807:50:400
2511299401120,0cyclictest19722-21ssh10:00:580
251129939998,0cyclictest0-21swapper09:26:450
251129939996,0cyclictest0-21swapper09:58:070
251129939793,0cyclictest3434-21nscd07:45:280
2511299397101,0cyclictest0-21swapper11:46:090
251129939682,0cyclictest1620-21idleruntime-cro08:05:290
251129939598,0cyclictest0-21swapper08:00:210
1513940,0ktimers/0290861sleep07:37:440
2511299391119,0cyclictest8340-21munin-run08:45:380
251129937997,0cyclictest3460-21snmpd08:12:150
251129937484,0cyclictest10579-21sshd08:57:520
251129937288,0cyclictest26387-21ntp_states07:20:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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