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2026-05-05 - 16:57
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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 Tue May 05, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20556993276935,0cyclictest4450-21runrttasks07:01:530
20556992928765,0cyclictest21988-21mailstats08:36:570
20556992656650,0cyclictest9-21ksoftirqd/009:01:540
205569926252296,0cyclictest0-21swapper09:51:540
20556992607225,0cyclictest6372-1kworker/0:2H08:56:530
20556992577267,0cyclictest6372-1kworker/0:2H11:16:530
20556992552575,0cyclictest24666-21munin-node12:01:540
20556992514596,0cyclictest1595-21jbd2/hda3-812:11:560
20556992502630,0cyclictest9723-21cat09:36:530
20556992501748,0cyclictest4450-21runrttasks10:46:530
20556992499682,0cyclictest9-21ksoftirqd/010:41:530
20556992463593,0cyclictest6372-1kworker/0:2H10:26:540
20556992455691,0cyclictest19337-21cat11:46:530
20556992443238,0cyclictest6372-1kworker/0:2H10:01:530
20556992436281,0cyclictest6372-1kworker/0:2H08:06:530
20556992427663,0cyclictest9-21ksoftirqd/009:16:530
20556992395572,0cyclictest9-21ksoftirqd/007:51:570
20556992362594,0cyclictest19701-21cron10:16:530
20556992358262,0cyclictest6372-1kworker/0:2H08:01:540
20556992344710,0cyclictest9-21ksoftirqd/011:21:530
20556992326242,0cyclictest6372-1kworker/0:2H09:21:530
20556992321273,0cyclictest6372-1kworker/0:2H09:11:570
20556992317520,0cyclictest0-21swapper07:46:540
20556992305697,0cyclictest9-21ksoftirqd/008:26:540
20556992272145,0cyclictest6372-1kworker/0:2H10:36:530
20556992266276,0cyclictest6372-1kworker/0:2H11:06:530
20556992152312,0cyclictest6372-1kworker/0:2H09:41:530
20556992091206,0cyclictest6372-1kworker/0:2H08:16:530
20556992077101,0cyclictest6372-1kworker/0:2H08:31:570
20556992068634,0cyclictest9-21ksoftirqd/012:06:540
20556992054260,0cyclictest6372-1kworker/0:2H08:21:540
20556992033254,0cyclictest6372-1kworker/0:2H11:36:530
20556992026171,0cyclictest6372-1kworker/0:2H10:21:530
20556992025336,0cyclictest6372-1kworker/0:2H11:01:530
20556992007303,0cyclictest6372-1kworker/0:2H08:46:540
20556992001282,0cyclictest6372-1kworker/0:2H10:31:570
20556991980263,0cyclictest6372-1kworker/0:2H09:26:530
20556991955221,0cyclictest6372-1kworker/0:2H09:56:530
20556991939190,0cyclictest6372-1kworker/0:2H09:06:540
20556991936572,0cyclictest9-21ksoftirqd/008:41:590
20556991903184,0cyclictest6372-1kworker/0:2H07:11:570
20556991864623,0cyclictest9-21ksoftirqd/011:56:520
20556991864206,0cyclictest6372-1kworker/0:2H11:41:530
20556991862173,0cyclictest6372-1kworker/0:2H11:26:540
20556991796692,0cyclictest31302-21sendmail_mailtr07:31:570
20556991788130,0cyclictest6372-1kworker/0:2H10:56:530
20556991784705,0cyclictest27290-21sort08:51:590
20556991774273,0cyclictest6372-1kworker/0:2H10:51:570
20556991774181,0cyclictest6372-1kworker/0:2H09:31:560
20556991747565,0cyclictest9-21ksoftirqd/010:12:030
20556991725263,0cyclictest6372-1kworker/0:2H07:26:520
20556991716238,0cyclictest6372-1kworker/0:2H09:51:570
20556991709706,0cyclictest9-21ksoftirqd/012:16:530
20556991679201,0cyclictest0-21swapper07:56:530
20556991537324,0cyclictest9-21ksoftirqd/007:44:090
20556991532273,0cyclictest1595-21jbd2/hda3-808:14:150
2055699152727,0cyclictest6372-1kworker/0:2H11:54:110
20556991516474,0cyclictest27247-21perl07:19:050
2055699149827,0cyclictest6372-1kworker/0:2H11:14:040
10114910,0rcuc/018698-21cron06:56:470
20556991460379,0cyclictest9-21ksoftirqd/007:09:080
20556991437337,0cyclictest9-21ksoftirqd/007:39:130
20556991385170,0cyclictest6372-1kworker/0:2H07:21:540
20556991382380,0cyclictest9-21ksoftirqd/012:29:120
20556991352388,0cyclictest9-21ksoftirqd/012:24:090
20556991318154,0cyclictest6372-1kworker/0:2H11:34:130
20556991296488,0cyclictest9-21ksoftirqd/010:06:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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