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2025-11-18 - 23:51
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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 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Tue Nov 18, 2025 12:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151150750,0ktimers/0147661sleep06:56:560
1514640,0ktimers/021451sleep08:34:160
1514490,0ktimers/0300131sleep08:13:420
1514480,0ktimers/0263821sleep07:54:020
1514470,0ktimers/0168841sleep07:09:020
1514460,0ktimers/0122621sleep09:19:550
1486899441115,0cyclictest0-21swapper10:13:100
1514320,0ktimers/086691sleep11:39:070
148689942949,0cyclictest35-1kworker/0:1H-kblockd10:18:460
148689942637,0cyclictest47-21kswapd008:18:570
1514240,0ktimers/0246151sleep07:44:480
1514130,0ktimers/0185241sleep09:49:560
148689940735,0cyclictest26372-21apt-get10:28:490
148689940136,0cyclictest0-21swapper09:32:130
148689940086,0cyclictest3917-21latency11:14:490
1486899398135,0cyclictest0-21swapper10:43:410
1513970,0ktimers/0159321sleep12:12:400
148689939732,0cyclictest29174-21chrt10:40:050
1486899397125,0cyclictest0-21swapper09:23:480
148689939667,0cyclictest0-21swapper07:23:290
148689939630,0cyclictest21484-21vmstat10:04:330
1486899396137,0cyclictest0-21swapper06:58:310
527503940,0irq/11-sym53c8x130150irq/15-NE200009:54:410
1513920,0ktimers/0163091sleep07:03:580
1513910,0ktimers/0131401sleep11:59:190
1486899390148,0cyclictest0-21swapper09:13:230
148689938593,0cyclictest1353-21runrttasks11:04:150
148689938533,0cyclictest32390-21sh08:24:170
148689938431,0cyclictest7564-21awk08:59:170
527503820,0irq/11-sym53c8x1659-21lldpd11:02:400
148689938257,0cyclictest0-21swapper08:03:300
148689938232,0cyclictest25557-21awk07:49:330
148689938232,0cyclictest23603-21grep07:39:540
148689938230,0cyclictest20511-21tr09:59:370
148689938230,0cyclictest15839-21chrt09:38:090
148689938187,0cyclictest4651-21df_inode11:19:090
148689938132,0cyclictest5802-21cut08:50:010
148689938034,0cyclictest22128-21expr07:34:100
148689938032,0cyclictest1927-21runrttasks10:53:570
148689937897,0cyclictest4053-21wget08:43:330
148689937732,0cyclictest17939-21timerwakeupswit12:20:120
148689937630,0cyclictest27679-21munin-node07:59:250
148689937539,0cyclictest1654-21snmpd08:30:190
148689937536,0cyclictest14878-21munin-run12:08:210
148689937531,0cyclictest2649-21grep11:09:330
148689937431,0cyclictest9993-21grep11:44:330
148689937337,0cyclictest6693-21chrt11:29:320
1513720,0ktimers/0192481sleep07:19:190
1513720,0ktimers/0168221sleep12:15:060
148689937237,0cyclictest7582-21ntpq11:34:060
148689937231,0cyclictest7037-21chrt08:56:250
148689937134,0cyclictest8899-21chrt09:04:450
1486899371125,0cyclictest0-21swapper09:42:380
148689937030,0cyclictest12046-21cut11:54:190
148689936975,0cyclictest3083-21df08:39:010
148689936836,0cyclictest9791-21switchtime09:09:260
148689936832,0cyclictest5232-21basename11:23:290
148689936632,0cyclictest17179-21grep09:44:290
148689936628,0cyclictest11440-21chrt11:50:240
148689936431,0cyclictest26021-21chrt10:26:330
148689936332,0cyclictest21780-21awk07:33:140
148689936329,0cyclictest27386-21aten_r3power_cu10:33:330
1486899363112,0cyclictest29357-21cron08:08:400
148689936231,0cyclictest893-21jbd2/sda1-810:13:200
148689936133,0cyclictest18362-21wc07:14:420
148689936037,0cyclictest0-21swapper10:53:160
1486899355102,0cyclictest893-21jbd2/sda1-812:28:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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