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2025-12-31 - 15:37
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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 Dec 31, 2025 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23667992990865,0cyclictest9-21ksoftirqd/007:09:060
23667992624271,0cyclictest9851-1kworker/0:1H10:09:100
23667992574282,0cyclictest9851-1kworker/0:1H11:09:090
23667992402456,0cyclictest9-21ksoftirqd/008:09:110
23667992399670,0cyclictest9-21ksoftirqd/011:54:100
23667992361644,0cyclictest9-21ksoftirqd/010:04:090
23667992343685,0cyclictest9-21ksoftirqd/011:24:090
23667992343284,0cyclictest9851-1kworker/0:1H07:34:090
23667992333624,0cyclictest9-21ksoftirqd/009:14:090
23667992296217,0cyclictest9851-1kworker/0:1H10:44:090
23667992256424,0cyclictest9-21ksoftirqd/011:29:090
23667992223555,0cyclictest9-21ksoftirqd/008:29:100
23667992203595,0cyclictest20598-21latency_hist11:49:090
23667992200563,0cyclictest27253-21sed08:54:100
23667992190561,0cyclictest9-21ksoftirqd/008:34:090
23667992173238,0cyclictest9851-1kworker/0:1H09:34:090
23667992155477,0cyclictest1472-21latency_hist10:54:080
23667992154268,0cyclictest9851-1kworker/0:1H10:49:090
23667992142244,0cyclictest9851-1kworker/0:1H12:24:090
23667992122402,0cyclictest9-21ksoftirqd/012:09:080
23667992094585,0cyclictest9-21ksoftirqd/009:54:090
23667992072690,0cyclictest9-21ksoftirqd/007:49:090
23667992048699,0cyclictest9844-21ls08:04:100
23667992048211,0cyclictest9851-1kworker/0:1H10:34:090
23667992035256,0cyclictest9851-1kworker/0:1H11:14:090
23667992028233,0cyclictest9851-1kworker/0:1H09:29:090
23667992002163,0cyclictest9851-1kworker/0:1H09:09:090
23667991867525,0cyclictest9-21ksoftirqd/011:19:130
23667991861786,0cyclictest10996-21which09:44:110
23667991846312,0cyclictest9851-1kworker/0:1H12:14:090
23667991777700,0cyclictest30567-21runrttasks09:04:090
23667991771219,0cyclictest9851-1kworker/0:1H12:29:080
23667991757216,0cyclictest9851-1kworker/0:1H08:14:110
23667991750142,0cyclictest9851-1kworker/0:1H12:04:080
23667991701665,0cyclictest2579-21cat09:19:130
23667991700618,0cyclictest9-21ksoftirqd/010:14:130
23667991643285,0cyclictest9851-1kworker/0:1H09:49:080
23667991629540,0cyclictest9-21ksoftirqd/010:59:130
23667991608224,0cyclictest9851-1kworker/0:1H11:44:090
23667991599686,0cyclictest16893-21munin-node08:24:120
2366799157681,0cyclictest0-21swapper11:36:510
23667991568544,0cyclictest17176-21sendmail_mailtr11:39:130
2366799155927,0cyclictest9851-1kworker/0:1H08:21:530
23667991543195,0cyclictest9851-1kworker/0:1H07:24:090
23667991536475,0cyclictest0-21swapper07:29:090
236679915341046,0cyclictest9851-1kworker/0:1H11:06:510
23667991516220,0cyclictest9851-1kworker/0:1H07:56:420
2366799150930,0cyclictest9851-1kworker/0:1H08:01:490
23667991489257,0cyclictest1595-21jbd2/hda3-812:36:510
23667991484373,0cyclictest9-21ksoftirqd/010:41:490
23667991457248,0cyclictest9851-1kworker/0:1H08:49:100
23667991446241,0cyclictest26449-21perl10:31:380
23667991421472,0cyclictest9-21ksoftirqd/008:41:500
23667991411325,0cyclictest1595-21jbd2/hda3-810:26:530
23667991386293,0cyclictest9851-1kworker/0:1H10:19:190
23667991361668,0cyclictest1243-21open_inodes07:39:200
23667991350567,0cyclictest1595-21jbd2/hda3-807:19:130
23667991345294,0cyclictest1595-21jbd2/hda3-809:26:440
23667991338318,0cyclictest9-21ksoftirqd/007:46:320
23667991336288,0cyclictest9851-1kworker/0:1H11:59:210
23667991310717,0cyclictest15860-21runrttasks09:59:200
23667991271488,0cyclictest9-21ksoftirqd/008:59:180
23667991239542,0cyclictest9-21ksoftirqd/008:49:180
23667991168512,0cyclictest9-21ksoftirqd/007:19:190
23667991140298,0cyclictest9851-1kworker/0:1H12:19:200
23667991030488,0cyclictest9-21ksoftirqd/009:39:220
1013780,0rcuc/021802-21cron07:04:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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