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2026-03-28 - 19:07
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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 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sat Mar 28, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151153200,0ktimers/0158061sleep07:08:590
1669799515121,0cyclictest0-21swapper12:14:060
1514750,0ktimers/0124781sleep09:34:060
1514670,0ktimers/058841sleep12:21:020
1669799463150,0cyclictest0-21swapper08:04:020
1514610,0ktimers/014301sleep11:52:370
166979945967,0cyclictest31868-21ssh11:40:080
1669799459123,0cyclictest3460-21snmpd12:42:310
1669799459122,0cyclictest19977-21cat10:23:500
525504550,0irq/11-sym53c8x130250irq/15-NE200012:00:260
166979945471,0cyclictest0-21swapper08:23:590
166979945387,0cyclictest1859-21chrt08:39:080
1669799451131,0cyclictest28685-21cron08:13:390
1669799450121,0cyclictest1070-21awk08:34:570
1669799449137,0cyclictest17045-21egrep07:14:360
1514470,0ktimers/0242731sleep10:50:590
1669799446106,0cyclictest3952-21ntpq12:09:270
1514460,0ktimers/0277951sleep11:12:380
1669799442128,0cyclictest0-21swapper07:56:110
1669799440136,0cyclictest14458-21latency_hist09:48:560
166979943944,0cyclictest13884-21sort09:43:520
1514390,0ktimers/020901sleep11:58:090
1514390,0ktimers/0105451sleep09:21:000
1514280,0ktimers/0232351sleep10:44:520
1514260,0ktimers/0327101sleep11:44:550
1514260,0ktimers/0142531sleep09:46:350
1669799423111,0cyclictest0-21swapper10:09:490
1669799422119,0cyclictest0-21swapper10:16:020
1669799422115,0cyclictest0-21swapper12:25:050
1669799421114,0cyclictest0-21swapper09:25:410
1669799421106,0cyclictest25439-21ssh10:58:370
1514210,0ktimers/040951sleep08:49:270
1669799420122,0cyclictest18254-21cron07:20:360
1669799419114,0cyclictest0-21swapper10:40:090
1669799418108,0cyclictest0-21swapper10:32:310
166979941732,0cyclictest7749-21ssh12:33:560
1669799416111,0cyclictest0-21swapper10:26:230
1669799416101,0cyclictest17544-21ssh10:08:510
1669799414105,0cyclictest0-21swapper09:15:370
1669799413124,0cyclictest0-21swapper09:54:530
166979941293,0cyclictest30327-21expr08:20:010
1669799412112,0cyclictest0-21swapper09:30:210
1669799412103,0cyclictest0-21swapper10:03:320
1669799411125,0cyclictest3376-21syslogd08:33:370
1669799409132,0cyclictest25839-21munin-node08:00:320
1669799409131,0cyclictest0-21swapper07:36:100
1669799409102,0cyclictest0-21swapper11:06:580
1669799408111,0cyclictest0-21swapper11:31:090
166979940597,0cyclictest0-21swapper12:07:570
1514050,0ktimers/0223611sleep07:41:380
525504040,0irq/11-sym53c8x130250irq/15-NE200008:15:420
1669799404122,0cyclictest29391-21ssh11:20:460
1669799404117,0cyclictest0-21swapper11:37:040
166979940396,0cyclictest0-21swapper11:03:120
1669799402133,0cyclictest8518-21aten_r3power_vo09:09:350
1669799401116,0cyclictest0-21swapper11:28:310
525503990,0irq/11-sym53c8x130250irq/15-NE200008:59:200
166979939583,0cyclictest3729-21runrttasks11:16:400
166979939286,0cyclictest7726-21grep09:05:150
1669799388120,0cyclictest22511-21munin-node07:45:180
1669799388107,0cyclictest0-21swapper12:31:330
166979938379,0cyclictest22377-21ssh10:38:380
166979938282,0cyclictest3729-21runrttasks07:32:230
166979938142,0cyclictest5987-21cron08:58:370
1669799381114,0cyclictest3612-21wget08:45:350
525502940,0irq/11-sym53c8x130250irq/15-NE200007:49:200
1669799226114,0cyclictest0-21swapper07:27:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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