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2026-05-09 - 00:53
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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 100 highest latencies:
System rack8slot1.osadl.org (updated Fri May 08, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14929992903626,0cyclictest9-21ksoftirqd/009:01:430
14929992879436,0cyclictest4320-21ntpd07:01:420
149299927062341,0cyclictest0-21swapper07:08:250
14929992644538,0cyclictest28644-21munin-node12:16:430
14929992633206,0cyclictest12924-1kworker/0:1H09:56:430
14929992562198,0cyclictest12924-1kworker/0:1H10:21:440
14929992554572,0cyclictest9-21ksoftirqd/008:56:430
14929992542220,0cyclictest12924-1kworker/0:1H11:01:430
14929992452654,0cyclictest32077-21latency_hist12:26:430
14929992448694,0cyclictest25610-21sendmail_mailtr10:36:430
14929992421467,0cyclictest9-21ksoftirqd/007:46:430
14929992419554,0cyclictest3762-21munin-node11:06:440
14929992414597,0cyclictest0-21swapper08:22:030
14929992402536,0cyclictest32694-21cat10:56:420
14929992389243,0cyclictest12924-1kworker/0:1H09:06:440
14929992358218,0cyclictest12924-1kworker/0:1H09:16:430
14929992321560,0cyclictest9-21ksoftirqd/007:26:430
14929992321496,0cyclictest9109-21latency_hist08:16:430
14929992319419,0cyclictest14971-21munin-node10:06:430
14929992290503,0cyclictest9141-21cat11:21:420
14929992198507,0cyclictest9-21ksoftirqd/009:46:440
14929992181664,0cyclictest9-21ksoftirqd/007:11:460
14929992121221,0cyclictest12924-1kworker/0:1H10:01:420
14929992109239,0cyclictest12924-1kworker/0:1H08:01:430
14929992078223,0cyclictest12924-1kworker/0:1H10:26:430
14929992076267,0cyclictest12924-1kworker/0:1H08:46:430
14929992012201,0cyclictest12924-1kworker/0:1H10:46:420
14929992010276,0cyclictest12924-1kworker/0:1H12:01:420
14929991998248,0cyclictest12924-1kworker/0:1H09:41:440
14929991987631,0cyclictest9-21ksoftirqd/007:56:440
14929991981232,0cyclictest12924-1kworker/0:1H08:06:420
14929991973224,0cyclictest12924-1kworker/0:1H11:16:430
14929991967263,0cyclictest12924-1kworker/0:1H07:41:440
14929991953174,0cyclictest12924-1kworker/0:1H12:21:430
14929991883580,0cyclictest1595-21jbd2/hda3-808:51:460
14929991786273,0cyclictest12924-1kworker/0:1H11:31:470
14929991740481,0cyclictest9-21ksoftirqd/009:51:460
14929991716161,0cyclictest12924-1kworker/0:1H08:41:430
14929991713405,0cyclictest9-21ksoftirqd/008:36:460
14929991674250,0cyclictest12924-1kworker/0:1H11:11:470
14929991662522,0cyclictest9-21ksoftirqd/008:11:470
14929991650271,0cyclictest12924-1kworker/0:1H08:31:460
14929991636540,0cyclictest28703-21runrttasks09:11:480
14929991626477,0cyclictest9-21ksoftirqd/009:31:470
14929991620436,0cyclictest9-21ksoftirqd/012:11:470
14929991620224,0cyclictest12924-1kworker/0:1H10:31:460
14929991618484,0cyclictest9-21ksoftirqd/007:51:470
1492999154233,0cyclictest22844-21tune2fs11:58:570
14929991540208,0cyclictest12924-1kworker/0:1H09:21:440
14929991537278,0cyclictest12924-1kworker/0:1H07:21:440
14929991527341,0cyclictest9-21ksoftirqd/011:49:020
14929991518548,0cyclictest9-21ksoftirqd/010:14:010
14929991518223,0cyclictest9-21ksoftirqd/011:44:040
14929991505263,0cyclictest1595-21jbd2/hda3-811:28:530
14929991494505,0cyclictest21068-21grep11:54:000
14929991475318,0cyclictest2840-21fschecks_time09:29:010
14929991469249,0cyclictest9-21ksoftirqd/011:39:030
14929991458218,0cyclictest9-21ksoftirqd/010:19:030
14929991431276,0cyclictest32221-21grep10:54:020
14929991429187,0cyclictest9-21ksoftirqd/010:44:020
14929991426174,0cyclictest0-21swapper07:18:510
14929991348418,0cyclictest12757-21munin-node08:26:430
14929991345211,0cyclictest9-21ksoftirqd/007:34:060
14929991302175,0cyclictest9-21ksoftirqd/012:14:010
14929991160642,0cyclictest27337-21latency_hist07:36:430
14929991117106,0cyclictest12924-1kworker/0:1H09:36:430
3721501980,0irq/5-eth013240-21aten2.4_r8power06:56:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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