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2026-05-11 - 14:27
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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 Mon May 11, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151200,0ktimers/0197691sleep07:11:130
1514440,0ktimers/0152341sleep12:38:280
1514360,0ktimers/0318561sleep08:09:150
1514180,0ktimers/020871sleep08:22:180
525504130,0irq/11-sym53c8x130250irq/15-NE200011:30:080
525503880,0irq/11-sym53c8x130250irq/15-NE200010:56:030
1513880,0ktimers/0281781sleep10:43:190
525503780,0irq/11-sym53c8x130250irq/15-NE200008:37:420
525503710,0irq/11-sym53c8x130250irq/15-NE200008:20:310
1513710,0ktimers/038081sleep11:30:510
1513670,0ktimers/0104191sleep12:11:190
525503650,0irq/11-sym53c8x130250irq/15-NE200008:42:490
1513600,0ktimers/0266881sleep10:35:570
2042999354167,0cyclictest3460-21snmpd09:42:090
2042999352151,0cyclictest5367-21mailstats11:40:570
1302503500,0irq/15-NE200052550irq/11-sym53c8xx09:26:130
525503480,0irq/11-sym53c8x130250irq/15-NE200009:17:550
2042999347171,0cyclictest3328-21chrt08:27:360
1513460,0ktimers/0193591sleep09:51:040
1513430,0ktimers/015271sleep11:17:430
2042999342173,0cyclictest34-1kworker/0:1H+kblockd10:03:090
2042999341160,0cyclictest894-21jbd2/sda1-809:05:410
525503380,0irq/11-sym53c8x130250irq/15-NE200008:00:490
2042999338176,0cyclictest16868-21cut09:35:580
525503370,0irq/11-sym53c8x130250irq/15-NE200009:35:390
2042999337161,0cyclictest11367-21ssh12:16:310
2042999335130,0cyclictest4183-21sed08:32:010
2042999334156,0cyclictest25922-21nfs_client07:41:540
1513300,0ktimers/0257761sleep10:30:580
2042999328157,0cyclictest11097-21latency_hist09:05:550
2042999327188,0cyclictest14351-21ssh09:20:580
2042999325161,0cyclictest2090-21sh11:21:290
2042999325157,0cyclictest20426-21cyclictest07:21:170
1302503250,0irq/15-NE200052550irq/11-sym53c8xx09:10:470
2042999324183,0cyclictest9175-21sshd08:56:090
2042999322171,0cyclictest12970-21awk12:26:540
2042999322157,0cyclictest31180-21grep11:01:530
2042999321173,0cyclictest9580-21ssh12:05:400
2042999321165,0cyclictest29017-21kworker/u4:2+rpciod10:51:260
2042999320156,0cyclictest0-21swapper07:36:260
1302503170,0irq/15-NE200052550irq/11-sym53c8xx11:50:290
2042999316175,0cyclictest32686-21apt-get11:11:290
2042999316173,0cyclictest3460-21snmpd11:09:230
2042999316162,0cyclictest28844-21basename07:55:560
2042999313177,0cyclictest894-21jbd2/sda1-810:10:440
2042999313158,0cyclictest18715-21ssh09:46:010
2042999313145,0cyclictest28535-21runrttasks10:45:570
2042999313143,0cyclictest21578-21munin-node07:20:460
2042999312165,0cyclictest8441-21grep08:51:560
2042999312155,0cyclictest3729-21runrttasks08:47:290
2042999312148,0cyclictest24067-21awk07:32:150
2042999312147,0cyclictest16091-21sh12:42:530
2042999309146,0cyclictest13851-21chrt12:31:250
2042999308211,0cyclictest7462-21swap11:51:580
2042999308124,0cyclictest8245-21ssh11:56:330
2042999308123,0cyclictest22707-21nfs_client07:26:530
1302503080,0irq/15-NE200052550irq/11-sym53c8xx10:16:460
2042999307165,0cyclictest26653-21tr07:45:520
2042999307133,0cyclictest12257-21ssh12:21:450
2042999306177,0cyclictest22616-21uptime10:12:090
2042999306127,0cyclictest25111-21ssh10:25:530
2042999303182,0cyclictest25701-21latency_hist10:30:480
525503020,0irq/11-sym53c8x130250irq/15-NE200008:11:290
2042999302139,0cyclictest28289-21sshd07:52:090
2042999300168,0cyclictest3460-21snmpd11:36:040
2042999300135,0cyclictest10177-21latency_hist12:10:330
2042999297133,0cyclictest3460-21snmpd10:00:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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