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2025-11-27 - 15:17
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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 Thu Nov 27, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1468221020,3sleep5551rcuc/506:49:325
65112810,2sleep71595799cyclictest11:28:507
136782810,0sleep70-21swapper/711:54:137
1552225825,19sleep70-21swapper/706:50:237
67452480,0sleep20-21swapper/211:28:532
70022470,0sleep50-21swapper/510:49:165
3742460,0sleep1373-21sshd11:38:051
1547024328,10sleep40-21swapper/406:49:404
311582420,1sleep431151-21sshd11:17:424
296802410,0sleep60-21swapper/612:00:446
40212400,0sleep60-21swapper/612:05:576
187112400,0sleep20-21swapper/212:03:452
1559624028,8sleep30-21swapper/306:51:233
1560623927,8sleep00-21swapper/006:51:280
1556623928,8sleep20-21swapper/206:50:582
1547823926,9sleep10-21swapper/106:49:451
1547223926,9sleep60-21swapper/606:49:426
239632380,0sleep233-21ksoftirqd/212:17:142
1595799229,12cyclictest31822-21bash11:02:547
1595799225,5cyclictest0-21swapper/707:19:247
1595799223,18cyclictest19542-21bash11:45:447
1595799208,6cyclictest0-21swapper/708:10:307
1595799208,6cyclictest0-21swapper/708:10:307
1595799202,13cyclictest16092-21grepconf.sh11:20:087
1595799200,19cyclictest27759-21systemd-cgroups11:17:087
1595799198,5cyclictest0-21swapper/710:29:107
1595799198,5cyclictest0-21swapper/706:59:167
1595799198,0cyclictest0-21swapper/709:20:007
1595799198,0cyclictest0-21swapper/707:38:167
1595799197,6cyclictest0-21swapper/712:13:187
1595799192,0cyclictest0-21swapper/712:18:227
1595599197,6cyclictest0-21swapper/511:34:205
1595799188,9cyclictest2391-21sshd09:42:047
1595799187,5cyclictest0-21swapper/709:49:187
1595799187,5cyclictest0-21swapper/709:49:187
1595799187,5cyclictest0-21swapper/709:27:307
1595799187,5cyclictest0-21swapper/707:31:087
1595799187,5cyclictest0-21swapper/707:08:367
1595799187,0cyclictest0-21swapper/712:20:387
1595799187,0cyclictest0-21swapper/706:55:487
1595799186,11cyclictest8856-21grep10:44:147
1595699180,6cyclictest6028-21bash10:03:086
1595599187,5cyclictest0-21swapper/507:25:445
96032170,2sleep21595299cyclictest11:44:232
1595799176,5cyclictest0-21swapper/711:30:287
1595799176,5cyclictest0-21swapper/708:52:207
1595799176,5cyclictest0-21swapper/707:47:167
1595799170,16cyclictest21374-21systemd-cgroups09:29:407
1595599177,4cyclictest0-21swapper/509:00:385
1595599176,5cyclictest0-21swapper/510:46:025
1595599175,5cyclictest0-21swapper/511:42:005
1595799165,5cyclictest0-21swapper/709:44:147
1595799165,10cyclictest18661-21df07:54:227
1595799160,15cyclictest6491-21sshd08:57:167
1595799160,10cyclictest0-21swapper/710:11:587
1595599166,4cyclictest0-21swapper/511:26:125
1595599165,5cyclictest0-21swapper/509:07:545
1595599165,0cyclictest0-21swapper/509:31:505
1595199160,14cyclictest15347-21ntpq10:04:281
1595799154,5cyclictest0-21swapper/711:12:047
1595799154,5cyclictest0-21swapper/709:35:407
1595799154,0cyclictest0-21swapper/708:36:387
1595799150,9cyclictest0-21swapper/712:04:227
1595799150,9cyclictest0-21swapper/710:56:027
1595799150,9cyclictest0-21swapper/709:06:127
1595799150,9cyclictest0-21swapper/708:47:587
1595699156,2cyclictest65-21ksoftirqd/612:16:336
1595699152,2cyclictest25924-21sshd11:11:556
1595699151,1cyclictest19878-21systemd-cgroups10:51:026
1595699151,1cyclictest0-21swapper/610:23:216
1595699151,1cyclictest0-21swapper/609:42:516
1595699150,1cyclictest12865-21expr10:29:246
1595599154,0cyclictest0-21swapper/512:00:345
1595599150,9cyclictest0-21swapper/509:47:225
1595299158,5cyclictest33-21ksoftirqd/211:08:052
15952991512,2cyclictest33-21ksoftirqd/212:07:102
15952991510,5cyclictest33-21ksoftirqd/210:00:562
1595299150,15cyclictest23955-21kworker/2:410:49:572
1595299150,1cyclictest131rcu_sched10:44:312
21052140,1sleep31-21systemd10:17:263
1595799148,6cyclictest0-21swapper/711:07:187
1595799148,0cyclictest0-21swapper/708:43:467
1595799143,5cyclictest0-21swapper/707:15:327
1595799142,6cyclictest0-21swapper/709:55:187
1595799142,6cyclictest0-21swapper/707:27:427
1595799142,0cyclictest0-21swapper/708:22:387
1595799142,0cyclictest0-21swapper/707:49:147
15957991412,1cyclictest99-21kswapd010:02:467
1595799140,8cyclictest0-21swapper/711:36:287
1595799140,8cyclictest0-21swapper/710:43:347
1595799140,8cyclictest0-21swapper/710:30:447
1595799140,8cyclictest0-21swapper/708:24:527
1595799140,8cyclictest0-21swapper/707:59:227
1595799140,2cyclictest0-21swapper/707:43:507
1595699147,3cyclictest65-21ksoftirqd/609:08:426
1595699146,3cyclictest65-21ksoftirqd/609:36:306
15956991413,1cyclictest65-21ksoftirqd/611:04:286
1595699141,4cyclictest20882-21id09:09:596
1595699141,1cyclictest0-21swapper/610:14:236
1595699140,6cyclictest23273-21grep10:41:006
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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