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2026-08-30 - 06:38
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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 Sun Aug 30, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173792950,0sleep20-21swapper/221:56:452
83862730,0sleep30-21swapper/321:20:023
117112720,1sleep125-21ksoftirqd/122:36:251
173892690,1sleep449-21ksoftirqd/400:18:324
236262590,2sleep7545799cyclictest23:22:287
521825827,18sleep10-21swapper/119:04:361
144662560,0sleep60-21swapper/621:20:216
3182550,0sleep60-21swapper/623:37:336
521925425,17sleep20-21swapper/219:04:372
323742530,0sleep40-21swapper/421:52:064
195222510,1sleep5758-21runrttasks22:44:065
44122500,1sleep64413-21sshd22:01:306
193192490,0sleep40-21swapper/400:31:214
311932480,0sleep70-21swapper/700:19:237
278924826,9sleep30-21swapper/319:00:213
249452480,0sleep30-21swapper/322:24:333
118552480,0sleep10-21swapper/122:03:491
4902470,0sleep00-21swapper/022:23:100
321402470,1sleep032136-21sshd23:26:370
86832460,0sleep20-21swapper/200:03:322
310082460,2sleep2541799cyclictest21:21:132
196202460,0sleep30-21swapper/322:58:373
81032450,0sleep60-21swapper/600:08:566
502824425,7sleep70-21swapper/719:02:027
302302440,0sleep60-21swapper/600:26:346
213392440,1sleep125-21ksoftirqd/122:15:181
76992430,0sleep40-21swapper/423:14:164
325562430,0sleep70-21swapper/721:21:187
115412430,0sleep40-21swapper/423:38:114
141092420,1sleep114051-21sshd23:45:291
504724128,9sleep60-21swapper/619:02:176
150662410,2sleep5544199cyclictest22:54:475
115162410,0sleep70-21swapper/722:58:097
500424028,8sleep50-21swapper/519:01:445
492624027,9sleep00-21swapper/019:00:430
281472400,0sleep40-21swapper/421:40:534
280062400,0sleep30-21swapper/322:30:103
279024027,9sleep40-21swapper/419:00:224
150052400,0sleep00-21swapper/021:15:020
202512390,0sleep50-21swapper/523:53:105
39982380,0sleep20-21swapper/223:17:422
265452380,0sleep30-21swapper/323:46:113
254292370,2sleep7545799cyclictest23:33:337
138972370,0sleep20-21swapper/223:40:092
169792360,0sleep40-21swapper/421:09:464
132632330,0sleep40-21swapper/421:56:314
5417992412,1cyclictest121rcu_preempt23:11:512
75292230,0sleep20-21swapper/200:17:572
540699239,3cyclictest25-21ksoftirqd/121:48:201
540699227,2cyclictest25-21ksoftirqd/100:35:011
544199216,2cyclictest20890-21sshd21:33:205
5441992110,0cyclictest17271-21sshd23:24:005
5417992116,3cyclictest33-21ksoftirqd/223:01:462
541799208,1cyclictest33-21ksoftirqd/200:25:432
540699208,1cyclictest25-21ksoftirqd/123:06:501
540699204,5cyclictest25-21ksoftirqd/121:32:261
540699204,2cyclictest25-21ksoftirqd/123:26:411
540699203,2cyclictest25-21ksoftirqd/100:20:301
5406992014,3cyclictest25-21ksoftirqd/123:03:281
5406992013,5cyclictest121rcu_preempt23:21:061
5417991916,1cyclictest33-21ksoftirqd/221:54:362
540699198,3cyclictest25-21ksoftirqd/122:54:071
540699198,3cyclictest25-21ksoftirqd/100:28:091
540699198,2cyclictest25-21ksoftirqd/121:09:591
540699198,1cyclictest25-21ksoftirqd/122:05:251
540699196,1cyclictest25-21ksoftirqd/123:35:421
540699196,1cyclictest131rcu_sched21:39:401
5406991916,3cyclictest25-21ksoftirqd/121:53:091
5406991913,4cyclictest25-21ksoftirqd/123:59:291
273562190,0sleep40-21swapper/400:22:484
250122190,1sleep025014-21systemd-cgroups21:42:330
5441991811,1cyclictest15091-21sshd23:40:125
5441991811,1cyclictest15091-21sshd23:40:125
542699180,1cyclictest131rcu_sched21:13:283
5417991816,2cyclictest33-21ksoftirqd/221:42:142
5417991816,1cyclictest33-21ksoftirqd/223:45:172
5417991814,3cyclictest33-21ksoftirqd/221:26:002
5417991814,3cyclictest33-21ksoftirqd/200:30:532
540699188,2cyclictest25-21ksoftirqd/121:24:111
540699187,1cyclictest25-21ksoftirqd/123:42:271
540699187,1cyclictest25-21ksoftirqd/123:42:271
540699186,1cyclictest25-21ksoftirqd/122:23:101
540699186,1cyclictest25-21ksoftirqd/122:10:361
540699183,1cyclictest25-21ksoftirqd/100:13:251
5406991817,1cyclictest25-21ksoftirqd/121:12:291
5406991816,1cyclictest25-21ksoftirqd/123:32:511
5406991816,1cyclictest25-21ksoftirqd/121:15:321
5406991815,2cyclictest25-21ksoftirqd/121:44:281
5406991815,1cyclictest25-21ksoftirqd/100:19:231
5406991814,1cyclictest25-21ksoftirqd/122:27:141
540699181,3cyclictest16819-21sshd00:02:091
242692180,1sleep624228-21sshd22:53:286
541799178,1cyclictest33-21ksoftirqd/222:40:222
5417991716,1cyclictest33-21ksoftirqd/222:28:342
5417991715,1cyclictest464-21systemd-journal23:25:342
5417991715,1cyclictest33-21ksoftirqd/221:39:082
5417991715,1cyclictest33-21ksoftirqd/221:11:092
5417991715,1cyclictest33-21ksoftirqd/200:23:202
5417991714,2cyclictest33-21ksoftirqd/222:09:542
5417991713,2cyclictest33-21ksoftirqd/222:57:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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