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2026-05-01 - 05:34
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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 Fri May 01, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3030099339330,0cyclictest0-21swapper22:47:060
3030099327029,0cyclictest2055-21fschecks_time20:44:170
303009930802982,0cyclictest0-21swapper20:57:060
303009926982588,0cyclictest20529-21mailstats23:12:140
303009926622046,0cyclictest0-21swapper23:22:070
30300992632137,0cyclictest17517-1kworker/0:2H23:02:090
303009925842130,0cyclictest0-21swapper00:12:340
30300992510562,0cyclictest13561-21cat00:27:090
30300992506289,0cyclictest17517-1kworker/0:2H21:02:130
30300992465613,0cyclictest29378-21latency_hist23:37:090
30300992432629,0cyclictest20956-21munin-node20:07:110
30300992390475,0cyclictest9-21ksoftirqd/019:02:090
30300992388538,0cyclictest18729-21latency_hist23:07:080
30300992373452,0cyclictest4025-21cat23:57:080
30300992358145,0cyclictest17517-1kworker/0:2H23:27:080
30300992354242,0cyclictest17517-1kworker/0:2H22:57:090
30300992328688,0cyclictest9-21ksoftirqd/019:17:120
30300992317278,0cyclictest17517-1kworker/0:2H21:17:100
30300992313560,0cyclictest1595-21jbd2/hda3-821:22:090
30300992293668,0cyclictest7997-21latency_hist22:37:080
30300992289273,0cyclictest17517-1kworker/0:2H21:57:090
30300992287285,0cyclictest17517-1kworker/0:2H21:27:100
30300992276445,0cyclictest0-21swapper22:27:090
30300992266551,0cyclictest31570-21munin-node20:37:100
30300992261495,0cyclictest9-21ksoftirqd/021:42:090
30300992260531,0cyclictest2243-21wc23:52:130
30300992247528,0cyclictest9-21ksoftirqd/020:17:090
303009921812001,0cyclictest9-21ksoftirqd/000:02:550
30300992116276,0cyclictest17517-1kworker/0:2H22:22:090
30300992091327,0cyclictest17517-1kworker/0:2H23:22:090
30300992073264,0cyclictest17517-1kworker/0:2H23:42:090
30300992067107,0cyclictest17517-1kworker/0:2H22:52:130
30300992061493,0cyclictest0-21swapper22:07:090
30300992053304,0cyclictest17517-1kworker/0:2H20:27:110
30300992040306,0cyclictest17517-1kworker/0:2H00:17:090
30300991990271,0cyclictest17517-1kworker/0:2H19:57:100
30300991987162,0cyclictest17517-1kworker/0:2H22:17:100
30300991979305,0cyclictest17517-1kworker/0:2H23:32:130
30300991952202,0cyclictest17517-1kworker/0:2H20:47:100
30300991917289,0cyclictest17517-1kworker/0:2H23:47:100
30300991892294,0cyclictest17517-1kworker/0:2H20:57:100
30300991814572,0cyclictest1595-21jbd2/hda3-821:37:100
30300991780637,0cyclictest11062-21sendmail_mailtr21:12:130
30300991755236,0cyclictest17517-1kworker/0:2H20:22:110
30300991754733,0cyclictest1470-21latency_hist19:12:140
3030099174528,0cyclictest29558-21cut22:04:330
3030099174428,0cyclictest17517-1kworker/0:2H19:29:290
30300991742745,0cyclictest18154-21runrttasks21:32:140
30300991736604,0cyclictest9-21ksoftirqd/019:32:140
30300991678338,0cyclictest4207-21snmpd22:34:430
30300991677214,0cyclictest17517-1kworker/0:2H19:37:100
30300991676283,0cyclictest17517-1kworker/0:2H19:52:130
30300991670238,0cyclictest17517-1kworker/0:2H20:02:100
30300991650571,0cyclictest9-21ksoftirqd/022:12:140
30300991647267,0cyclictest1595-21jbd2/hda3-820:14:320
30300991636560,0cyclictest9-21ksoftirqd/019:02:060
30300991554458,0cyclictest13409-21grep19:44:290
30300991525577,0cyclictest9-21ksoftirqd/020:32:180
303009914821085,0cyclictest17517-1kworker/0:2H19:09:360
30300991474449,0cyclictest24785-21tune2fs21:49:360
30300991473261,0cyclictest26509-21fschecks_time21:54:320
3030099147231,0cyclictest17517-1kworker/0:2H00:09:190
30300991435381,0cyclictest9-21ksoftirqd/019:24:400
30300991431236,0cyclictest17517-1kworker/0:2H21:07:140
30300991393663,0cyclictest11684-21latency_hist00:22:080
30300991386208,0cyclictest17517-1kworker/0:2H22:47:090
30300991364204,0cyclictest17517-1kworker/0:2H19:49:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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