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2026-08-20 - 20:52
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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 Aug 20, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152490,0ktimers/0172101sleep07:15:160
1514760,0ktimers/090341sleep12:34:040
1514610,0ktimers/063061sleep12:15:350
1514610,0ktimers/0178071sleep10:09:320
1514530,0ktimers/0323921sleep08:29:480
1514500,0ktimers/057791sleep12:11:590
1514470,0ktimers/0285861sleep08:10:370
1514460,0ktimers/0139751sleep09:41:150
1514440,0ktimers/062351sleep08:59:500
1514440,0ktimers/031041sleep11:52:410
179119944397,0cyclictest3460-21snmpd08:31:080
525504420,0irq/11-sym53c8x130250irq/15-NE200012:29:500
1514390,0ktimers/0213811sleep10:30:120
1514370,0ktimers/0242371sleep10:45:560
1514360,0ktimers/0124191sleep09:32:120
1514350,0ktimers/05981sleep11:39:130
1791199431105,0cyclictest26854-21ssh11:01:240
525504290,0irq/11-sym53c8x130250irq/15-NE200011:21:270
179119942934,0cyclictest31579-21sh11:29:480
1791199420112,0cyclictest5418-21aten_r3power_vo08:55:350
179119941833,0cyclictest9369-21chrt12:35:360
179119941484,0cyclictest7225-21apt-get12:20:360
1514140,0ktimers/0119711sleep09:28:580
1514100,0ktimers/0317931sleep11:30:360
1514080,0ktimers/0305031sleep08:19:440
179119940531,0cyclictest30901-21sed08:20:480
179119940484,0cyclictest15064-21vmstat09:46:440
1791199404141,0cyclictest0-21swapper07:45:040
1791199402131,0cyclictest3913-21chrt11:56:480
1514020,0ktimers/0168211sleep10:00:360
179119939832,0cyclictest25035-21aten_r3power_cu10:50:120
179119939665,0cyclictest15510-21ssh09:50:080
179119939433,0cyclictest19649-21ssh10:20:540
1791199391115,0cyclictest1603-21ssh11:44:500
179119939030,0cyclictest3395-21grep08:45:560
179119939030,0cyclictest25819-21missed_timers07:56:200
1513890,0ktimers/0105791sleep12:44:220
179119938829,0cyclictest27618-21rm11:06:440
179119938778,0cyclictest20914-21irqstats07:35:000
179119938635,0cyclictest10888-21sh12:45:400
179119938531,0cyclictest34-1kworker/0:1H+kblockd07:59:580
179119938356,0cyclictest0-21swapper10:18:240
1791199383115,0cyclictest0-21swapper10:41:580
179119938236,0cyclictest0-21swapper09:14:570
1791199382138,0cyclictest3465-21lldpd11:46:270
179119938029,0cyclictest4940-21chrt12:05:000
525503780,0irq/11-sym53c8x130250irq/15-NE200009:24:540
179119937831,0cyclictest1865-21cat08:39:480
179119937660,0cyclictest27979-21sendmail_mailqu08:06:280
1791199376121,0cyclictest0-21swapper10:28:570
1791199376120,0cyclictest0-21swapper11:18:370
179119937467,0cyclictest26012-21runrttasks10:55:480
179119937330,0cyclictest20549-21grep07:31:360
179119937291,0cyclictest0-21swapper07:54:390
179119937230,0cyclictest1795-21apt08:39:400
179119937225,0cyclictest9025-21cat09:11:200
1791199372115,0cyclictest0-21swapper12:02:540
1791199372114,0cyclictest0-21swapper10:14:210
179119937129,0cyclictest22340-21runrttasks07:40:560
179119937072,0cyclictest0-21swapper09:56:020
179119937032,0cyclictest22855-21chrt10:38:000
179119936629,0cyclictest28820-21chrt11:14:320
179119936629,0cyclictest18403-21cut07:20:560
179119936334,0cyclictest12849-21irqstats09:35:120
179119936230,0cyclictest19376-21ntpq07:25:280
179119936130,0cyclictest4713-21latency08:51:200
179119936030,0cyclictest8150-21chrt09:07:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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