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2026-09-10 - 02:01
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Wed Sep 09, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
169599461147,0cyclictest0-21swapper09:49:150
1695993092274,0cyclictest0-21swapper06:54:030
1695992796277,0cyclictest21647-1kworker/0:2H10:54:040
1695992673690,0cyclictest7995-21munin-node11:54:040
1695992658276,0cyclictest21647-1kworker/0:2H07:54:050
1695992656710,0cyclictest9-21ksoftirqd/008:54:040
1695992614273,0cyclictest21647-1kworker/0:2H08:49:050
1695992547239,0cyclictest21647-1kworker/0:2H09:54:050
1695992468730,0cyclictest9-21ksoftirqd/009:36:290
1695992393206,0cyclictest21647-1kworker/0:2H08:59:040
1695992362842,0cyclictest6718-21munin-node07:09:050
1695992357318,0cyclictest21647-1kworker/0:2H11:59:050
1695992354659,0cyclictest9-21ksoftirqd/011:49:050
1695992331556,0cyclictest9-21ksoftirqd/009:14:050
1695992330239,0cyclictest21647-1kworker/0:2H11:29:050
1695992328660,0cyclictest9-21ksoftirqd/008:09:040
1695992326735,0cyclictest1595-21jbd2/hda3-807:34:050
1695992324225,0cyclictest21647-1kworker/0:2H09:09:040
1695992323812,0cyclictest17698-21munin-node10:49:040
1695992323251,0cyclictest21647-1kworker/0:2H07:59:050
1695992317248,0cyclictest21647-1kworker/0:2H12:09:040
1695992300716,0cyclictest9-21ksoftirqd/008:14:030
1695992298267,0cyclictest21647-1kworker/0:2H09:39:050
1695992288216,0cyclictest21647-1kworker/0:2H12:14:030
1695992285225,0cyclictest21647-1kworker/0:2H10:39:030
1695992282284,0cyclictest21647-1kworker/0:2H10:29:040
1695992269177,0cyclictest21647-1kworker/0:2H11:39:050
1695992233604,0cyclictest1595-21jbd2/hda3-811:46:290
1695992233561,0cyclictest9-21ksoftirqd/009:46:290
1695992233132,0cyclictest21647-1kworker/0:2H06:59:050
1695992223558,0cyclictest9-21ksoftirqd/011:26:290
1695992211303,0cyclictest21647-1kworker/0:2H09:19:040
1695992207262,0cyclictest21647-1kworker/0:2H11:14:040
1695992200641,0cyclictest9-21ksoftirqd/009:59:040
1695992195256,0cyclictest21647-1kworker/0:2H11:09:030
1695992194276,0cyclictest21647-1kworker/0:2H08:06:290
1695992190695,0cyclictest0-21swapper07:49:040
1695992182755,0cyclictest17213-21sendmail-mta10:46:290
1695992163571,0cyclictest9-21ksoftirqd/010:59:040
1695992145628,0cyclictest9-21ksoftirqd/008:26:290
1695992143277,0cyclictest21647-1kworker/0:2H10:19:050
1695992110255,0cyclictest21647-1kworker/0:2H10:14:050
1695992074654,0cyclictest9-21ksoftirqd/011:34:030
1695992031237,0cyclictest21647-1kworker/0:2H11:19:050
1695992029295,0cyclictest21647-1kworker/0:2H09:29:030
1695992017147,0cyclictest21647-1kworker/0:2H08:39:040
1695991961348,0cyclictest21647-1kworker/0:2H08:19:040
1695991950268,0cyclictest21647-1kworker/0:2H08:46:380
1695991901484,0cyclictest9-21ksoftirqd/010:09:060
169599190130,0cyclictest4137-21lldpd07:16:290
1695991884241,0cyclictest21647-1kworker/0:2H07:29:070
1695991863443,0cyclictest1595-21jbd2/hda3-809:26:370
1695991855692,0cyclictest9-21ksoftirqd/010:24:070
1695991853218,0cyclictest21647-1kworker/0:2H10:04:150
169599184834,0cyclictest3697-21runrttasks08:31:450
1695991777265,0cyclictest21647-1kworker/0:2H10:34:030
1695991774246,0cyclictest21647-1kworker/0:2H12:19:040
1695991772236,0cyclictest21647-1kworker/0:2H09:04:080
1695991702287,0cyclictest21647-1kworker/0:2H07:39:030
1695991691311,0cyclictest9-21ksoftirqd/007:26:380
1695991688337,0cyclictest9-21ksoftirqd/011:06:390
1695991624616,0cyclictest9-21ksoftirqd/007:19:040
1695991600263,0cyclictest21647-1kworker/0:2H07:04:080
1695991544258,0cyclictest21647-1kworker/0:2H07:44:140
1695991505245,0cyclictest21647-1kworker/0:2H08:34:040
1695991467465,0cyclictest9-21ksoftirqd/012:04:130
10114230,0rcuc/032306-21cron06:48:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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