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2025-12-02 - 22:14
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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 Tue Dec 02, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151154460,0ktimers/013881sleep06:52:180
1514780,0ktimers/0260301sleep11:27:400
231099462119,0cyclictest23669-21expr11:13:190
1514590,0ktimers/030831sleep12:12:230
231099453108,0cyclictest1927-21runrttasks10:58:450
231099446143,0cyclictest17893-21cron08:11:500
1514410,0ktimers/015571sleep12:04:090
1514390,0ktimers/0232491sleep08:35:450
1514360,0ktimers/071351sleep07:22:050
1514360,0ktimers/033871sleep07:01:520
1514300,0ktimers/08901sleep09:28:250
231099426160,0cyclictest0-21swapper11:26:490
1514210,0ktimers/058721sleep07:13:350
231099418119,0cyclictest10050-21cron10:11:500
231099414135,0cyclictest0-21swapper10:02:060
231099413117,0cyclictest0-21swapper10:43:380
1514130,0ktimers/0110481sleep10:15:270
231099412126,0cyclictest0-21swapper12:17:400
1514120,0ktimers/0105561sleep07:37:380
231099405111,0cyclictest0-21swapper07:03:120
1514050,0ktimers/0291981sleep11:43:000
1514030,0ktimers/070271sleep07:21:520
231099401104,0cyclictest0-21swapper09:51:440
1513990,0ktimers/028181sleep12:11:190
231099396115,0cyclictest0-21swapper10:50:010
1513950,0ktimers/038291sleep09:42:410
1513850,0ktimers/0327471sleep09:27:020
23109938432,0cyclictest32436-21iostat11:57:550
527503810,0irq/11-sym53c8x130150irq/15-NE200007:27:280
23109938129,0cyclictest15943-21apt-get08:02:310
1513780,0ktimers/0282491sleep09:01:580
1513770,0ktimers/0149311sleep07:57:430
1513750,0ktimers/0303131sleep11:48:040
1513690,0ktimers/0252931sleep08:47:040
1513690,0ktimers/0120621sleep10:19:190
231099368110,0cyclictest0-21swapper12:22:270
231099362109,0cyclictest21510-21munin-node08:27:500
231099361105,0cyclictest15037-21munin-node10:33:180
231099358101,0cyclictest1654-21snmpd08:56:190
1513580,0ktimers/0130631sleep07:48:210
231099349136,0cyclictest27858-21mailstats11:37:170
1513490,0ktimers/014991sleep09:32:120
231099344123,0cyclictest0-21swapper08:12:250
1301503400,0irq/15-NE200052750irq/11-sym53c8xx11:32:240
231099335109,0cyclictest0-21swapper10:40:010
1513340,0ktimers/047471sleep07:08:350
1513310,0ktimers/060311sleep09:52:470
1512870,0ktimers/0311081sleep11:52:160
231099284132,0cyclictest0-21swapper11:08:180
1301502660,0irq/15-NE200052750irq/11-sym53c8xx09:41:320
1512630,0ktimers/0122891sleep10:21:590
1301502550,0irq/15-NE200052750irq/11-sym53c8xx09:07:200
1301502540,0irq/15-NE200052750irq/11-sym53c8xx09:16:510
1301502540,0irq/15-NE200052750irq/11-sym53c8xx08:57:030
1301502490,0irq/15-NE200052750irq/11-sym53c8xx11:18:230
25030123655,0sleep151ktimers/008:44:000
14304123654,0sleep151ktimers/010:30:220
527502270,0irq/11-sym53c8x130150irq/15-NE200011:03:420
23109922288,0cyclictest9437-21sshd07:32:240
23109922238,0cyclictest7632-21aten_r3power_po09:58:370
1512200,0ktimers/0209871sleep08:24:190
23109921998,0cyclictest12504-21latency_hist07:47:010
23109921982,0cyclictest19124-21df_inode10:52:530
231099216116,0cyclictest0-21swapper08:40:570
23109921392,0cyclictest19945-21sendmail-mta08:20:010
23109921392,0cyclictest13635-21latency_hist07:52:000
231099213133,0cyclictest30866-21aten_r3power_vo09:17:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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