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2026-05-02 - 04:33
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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 all highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sat May 02, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152360,0ktimers/0184001sleep19:11:370
525504410,0irq/11-sym53c8x130250irq/15-NE200020:01:060
525504350,0irq/11-sym53c8x130250irq/15-NE200019:50:280
525504190,0irq/11-sym53c8x130250irq/15-NE200023:55:170
1514030,0ktimers/0217871sleep22:13:100
1513970,0ktimers/014141sleep20:26:240
1513930,0ktimers/062821sleep23:58:410
525503870,0irq/11-sym53c8x130250irq/15-NE200023:05:220
525503850,0irq/11-sym53c8x130250irq/15-NE200021:27:370
1513840,0ktimers/0230911sleep22:24:030
1864199382192,0cyclictest6702-21chrt00:01:050
1864199376190,0cyclictest13463-21ssh00:41:050
1513740,0ktimers/0144841sleep21:30:430
525503720,0irq/11-sym53c8x130250irq/15-NE200021:11:080
525503710,0irq/11-sym53c8x130250irq/15-NE200000:35:220
1513700,0ktimers/0111391sleep00:28:020
1864199366187,0cyclictest7485-21grep00:05:330
1864199360179,0cyclictest4577-21ssh23:47:170
1513600,0ktimers/0301141sleep23:05:360
1864199359180,0cyclictest3460-21snmpd21:17:330
525503580,0irq/11-sym53c8x130250irq/15-NE200020:20:230
1864199358170,0cyclictest7496-21runrttasks20:55:170
525503550,0irq/11-sym53c8x130250irq/15-NE200022:09:440
1864199355171,0cyclictest10077-21ssh00:21:050
1864199355167,0cyclictest8946-21open_inodes00:15:210
1864199352199,0cyclictest19210-21cron22:00:080
1864199352152,0cyclictest30331-21tr20:10:320
1864199351207,0cyclictest18766-21mailstats19:15:230
1864199351206,0cyclictest34-1kworker/0:1H-kblockd20:35:260
1864199350168,0cyclictest0-21swapper19:55:320
1864199349146,0cyclictest1128-21ssh23:29:330
1513480,0ktimers/023591sleep23:35:540
1864199346123,0cyclictest3302-21ssh23:41:060
1513460,0ktimers/0207571sleep19:26:110
1864199344154,0cyclictest32363-21ntpq23:20:570
1864199341163,0cyclictest32104-21ssh23:20:090
1864199341147,0cyclictest15428-21mailstats21:35:490
1513410,0ktimers/0194841sleep22:01:060
525503400,0irq/11-sym53c8x130250irq/15-NE200000:18:120
1864199340221,0cyclictest4524-21grep20:41:090
1864199340161,0cyclictest23840-21ssh22:27:330
1864199339154,0cyclictest12542-21ssh00:36:050
1864199338175,0cyclictest21803-21cut19:31:040
1864199334173,0cyclictest1877-21chrt23:32:450
1864199333174,0cyclictest17758-21ssh21:51:410
1864199332199,0cyclictest9555-21munin-node21:05:390
1864199329197,0cyclictest8940-21chrt21:01:430
1864199329191,0cyclictest894-21jbd2/sda1-820:45:220
1864199329178,0cyclictest0-21swapper19:47:060
1864199328185,0cyclictest12697-21apt-get21:21:070
1864199327190,0cyclictest25194-21mailstats22:35:320
1864199327170,0cyclictest19880-21munin-node22:50:170
1302503270,0irq/15-NE200052550irq/11-sym53c8xx22:31:030
1864199326194,0cyclictest7947-21awk20:56:230
1864199326190,0cyclictest28135-21ssh22:52:210
1864199326165,0cyclictest16339-21chrt21:41:010
1864199326164,0cyclictest24205-21awk19:41:320
1864199324157,0cyclictest28756-21chrt22:57:180
1864199323159,0cyclictest20452-21sed19:25:200
1864199322189,0cyclictest26582-21sendmail22:45:180
1864199322153,0cyclictest22633-21latency_hist22:20:170
1864199321162,0cyclictest29896-21cut20:07:000
1864199321162,0cyclictest17176-21ssh21:48:090
1864199320183,0cyclictest3460-21snmpd19:38:470
1864199320158,0cyclictest32301-21ls20:20:090
1864199318156,0cyclictest30851-21ssh23:11:450
1864199315179,0cyclictest2371-21grep20:31:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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