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2025-11-06 - 21:32
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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 Thu Nov 06, 2025 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153600,0ktimers/0226441sleep06:54:540
234729947938,0cyclictest0-21swapper10:19:270
1514710,0ktimers/05091sleep10:25:520
1514530,0ktimers/0127251sleep11:25:580
527504520,0irq/11-sym53c8x130150irq/15-NE200011:40:520
1514470,0ktimers/0239941sleep07:00:440
1514430,0ktimers/0239601sleep09:44:280
1514390,0ktimers/0137891sleep08:50:280
1514340,0ktimers/0297611sleep07:31:150
234729943041,0cyclictest9212-21munin-node11:09:350
1514270,0ktimers/0191891sleep09:19:400
234729942593,0cyclictest9914-21expr08:30:480
234729942435,0cyclictest4926-21chrt08:08:340
234729942433,0cyclictest0-21swapper12:10:110
1514200,0ktimers/062771sleep08:14:490
1514200,0ktimers/0167051sleep09:05:180
234729941940,0cyclictest2815-21munin-run07:59:240
234729941461,0cyclictest22556-21chrt09:34:510
234729941164,0cyclictest12704-21df_inode08:45:240
234729941130,0cyclictest7469-21chrt11:00:030
2347299409103,0cyclictest28310-21awk07:25:320
234729940855,0cyclictest10233-21ls08:34:320
234729940739,0cyclictest8446-21grep11:04:380
234729940629,0cyclictest21228-21cron09:29:320
2347299405106,0cyclictest1632-21nscd11:19:220
234729940488,0cyclictest893-21jbd2/sda1-809:49:350
2347299404119,0cyclictest31432-21chrt07:40:080
234729940381,0cyclictest22464-21awk12:15:540
234729940043,0cyclictest17363-21runrttasks11:50:280
1514000,0ktimers/056171sleep08:10:530
1514000,0ktimers/0232321sleep12:20:180
2347299399124,0cyclictest21896-21needreboot09:31:030
2347299399119,0cyclictest5342-21munin-run10:49:260
234729939727,0cyclictest7383-21ntp_states08:19:520
234729939660,0cyclictest12088-21chrt11:24:210
234729939489,0cyclictest19134-21cut09:19:300
234729939432,0cyclictest11297-21sort08:39:310
2347299394117,0cyclictest0-21swapper07:24:210
2347299393117,0cyclictest5700-21grep10:50:220
1513930,0ktimers/023851sleep10:35:110
527503920,0irq/11-sym53c8x130150irq/15-NE200010:54:580
234729939275,0cyclictest9052-21aten_r3power_en08:26:080
234729939233,0cyclictest1927-21runrttasks09:49:270
2347299392140,0cyclictest16919-21cron11:49:280
234729939130,0cyclictest20121-21basename12:04:510
234729938967,0cyclictest18-21rcu_preempt07:59:520
234729938941,0cyclictest893-21jbd2/sda1-808:54:300
234729938929,0cyclictest15501-21idleruntime08:59:530
234729938731,0cyclictest26194-21df_inode09:55:240
234729938632,0cyclictest13904-21ls11:31:090
234729938573,0cyclictest28522-21chrt10:05:440
234729938282,0cyclictest29279-21mailstats10:09:530
234729938234,0cyclictest1237-21tr07:50:540
2347299382107,0cyclictest0-21swapper10:29:380
527503800,0irq/11-sym53c8x130150irq/15-NE200007:19:370
234729937973,0cyclictest14596-21basename11:35:230
234729937929,0cyclictest25770-21chrt07:11:140
2347299377113,0cyclictest27084-21sendmail_mailst09:59:460
2347299377111,0cyclictest0-21swapper09:14:060
234729937565,0cyclictest17876-21grep11:54:370
234729937234,0cyclictest32206-21chrt07:44:560
2347299372101,0cyclictest0-21swapper10:19:370
234729937137,0cyclictest19054-21chrt11:59:550
234729937067,0cyclictest303921sleep07:35:160
234729936870,0cyclictest0-21swapper12:27:130
234729936835,0cyclictest24934-21cron07:09:310
2347299366111,0cyclictest0-21swapper10:39:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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