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2026-08-22 - 13:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Sat Aug 22, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
229302760,1sleep665-21ksoftirqd/622:17:496
321522730,0sleep10-21swapper/121:49:411
149622600,2sleep11255499cyclictest21:29:061
221602570,1sleep322145-21bash22:32:043
216732530,0sleep30-21swapper/322:10:333
1231125227,9sleep30-21swapper/319:04:403
1231125227,9sleep30-21swapper/319:04:403
14722510,0sleep70-21swapper/722:36:167
1233325127,8sleep70-21swapper/719:05:007
1233325127,8sleep70-21swapper/719:05:007
224352500,0sleep70-21swapper/723:13:167
319222490,2sleep11255499cyclictest23:54:591
263262490,0sleep00-21swapper/020:25:390
31142480,0sleep20-21swapper/222:30:582
70632470,0sleep50-21swapper/523:05:215
310892470,2sleep031062-21sshd21:47:470
25032470,0sleep60-21swapper/623:46:076
118602470,0sleep01254699cyclictest23:44:570
68552460,0sleep70-21swapper/700:04:187
303462460,0sleep50-21swapper/523:33:255
252902460,0sleep50-21swapper/500:25:075
186892460,0sleep7711rcuc/723:38:077
46182450,1sleep04616-21grepconf.sh22:38:170
4282450,0sleep30-21swapper/323:08:323
29552440,1sleep22951-21systemd21:15:542
79152430,0sleep50-21swapper/523:28:365
320552430,0sleep50-21swapper/522:18:205
126902430,0sleep10-21swapper/123:18:071
83072420,0sleep70-21swapper/723:41:047
988724129,9sleep40-21swapper/419:00:324
988724129,9sleep40-21swapper/419:00:324
87912410,0sleep30-21swapper/300:07:593
27102410,0sleep10-21swapper/123:49:471
151572410,0sleep30-21swapper/323:37:553
1220724128,9sleep60-21swapper/619:03:156
1220724128,9sleep60-21swapper/619:03:156
218712400,0sleep40-21swapper/421:20:364
204112400,0sleep40-21swapper/423:59:434
1215724028,9sleep10-21swapper/119:02:291
1215724028,9sleep10-21swapper/119:02:291
1213024028,8sleep50-21swapper/519:02:095
1213024028,8sleep50-21swapper/519:02:095
988523928,8sleep20-21swapper/219:00:302
988523928,8sleep20-21swapper/219:00:302
310162390,2sleep31257099cyclictest23:44:123
1218323927,9sleep00-21swapper/019:02:520
1218323927,9sleep00-21swapper/019:02:520
51972380,0sleep30-21swapper/322:22:103
206382380,0sleep40-21swapper/400:26:344
204972380,0sleep60-21swapper/621:22:146
272932370,0sleep30-21swapper/323:18:573
131332320,0sleep70-21swapper/723:48:327
12546992414,1cyclictest9-21ksoftirqd/022:20:440
1257799225,1cyclictest49-21ksoftirqd/400:17:324
1257799225,1cyclictest49-21ksoftirqd/400:17:324
12577992217,3cyclictest49-21ksoftirqd/400:10:194
12577992117,1cyclictest49-21ksoftirqd/422:38:374
12546992117,3cyclictest9-21ksoftirqd/021:14:180
12546992116,3cyclictest9-21ksoftirqd/000:07:080
12577992017,3cyclictest49-21ksoftirqd/400:24:154
1257099200,19cyclictest21458-21kworker/3:021:22:483
1257799198,2cyclictest49-21ksoftirqd/400:12:324
1257799196,2cyclictest49-21ksoftirqd/423:17:404
1257799196,2cyclictest49-21ksoftirqd/421:40:014
12577991915,3cyclictest49-21ksoftirqd/423:49:534
12577991915,1cyclictest49-21ksoftirqd/423:26:464
12577991915,1cyclictest49-21ksoftirqd/421:16:354
12577991914,3cyclictest49-21ksoftirqd/423:52:174
12577991913,3cyclictest49-21ksoftirqd/421:56:134
12546991917,1cyclictest9-21ksoftirqd/022:41:450
12546991917,1cyclictest9-21ksoftirqd/021:19:000
12546991916,3cyclictest9-21ksoftirqd/000:26:360
12546991916,1cyclictest9-21ksoftirqd/023:05:470
12546991915,1cyclictest9-21ksoftirqd/023:22:290
12546991914,3cyclictest9-21ksoftirqd/022:19:220
12546991914,3cyclictest9-21ksoftirqd/000:01:240
298752180,0sleep00-21swapper/022:10:540
1257799189,1cyclictest49-21ksoftirqd/422:41:554
1257799186,3cyclictest49-21ksoftirqd/422:15:484
12577991816,1cyclictest49-21ksoftirqd/423:12:414
12577991815,1cyclictest49-21ksoftirqd/423:07:084
12577991814,3cyclictest49-21ksoftirqd/421:12:044
12577991814,1cyclictest49-21ksoftirqd/421:07:534
12577991814,1cyclictest49-21ksoftirqd/421:07:534
12577991812,1cyclictest49-21ksoftirqd/422:01:434
1257799180,1cyclictest121rcu_preempt23:22:374
1254699183,3cyclictest9-21ksoftirqd/023:50:370
12546991816,1cyclictest9-21ksoftirqd/023:02:450
12546991816,1cyclictest9-21ksoftirqd/021:37:590
12546991812,5cyclictest9-21ksoftirqd/000:23:560
1254699181,3cyclictest9-21ksoftirqd/022:57:280
1254699181,1cyclictest131rcu_sched22:01:030
1254699180,3cyclictest9-21ksoftirqd/023:11:140
213752172,1sleep773-21ksoftirqd/721:34:507
12584991712,1cyclictest30421-21sshd22:34:225
12577991716,1cyclictest49-21ksoftirqd/422:58:094
12577991715,1cyclictest49-21ksoftirqd/423:30:434
12577991715,1cyclictest49-21ksoftirqd/421:47:094
12577991715,1cyclictest49-21ksoftirqd/421:30:174
12577991715,1cyclictest464-21systemd-journal22:25:114
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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