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2026-06-03 - 19:53
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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 Wed Jun 03, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233742950,2sleep71461499cyclictest10:03:097
254232880,2sleep41459099cyclictest11:15:474
254232880,2sleep41459099cyclictest11:15:474
226472760,2sleep21457199cyclictest12:30:092
159752740,1sleep315971-21systemd-cgroups09:21:483
209702590,10sleep213550irq/24-ahci[00012:03:582
303852550,0sleep130374-21sshd11:12:231
315592530,0sleep40-21swapper/410:22:124
267432500,0sleep7711rcuc/709:53:567
7602490,0sleep30-21swapper/310:18:353
1412124924,8sleep40-21swapper/407:04:254
74102480,0sleep20-21swapper/210:43:092
206002480,2sleep71461499cyclictest11:19:107
156552480,1sleep215653-21grepconf.sh10:13:452
1413624825,8sleep10-21swapper/107:04:381
79772470,0sleep20-21swapper/210:58:062
173992470,1sleep117385-21sshd09:42:211
230602460,1sleep323046-21sshd11:26:513
1441424624,8sleep00-21swapper/007:08:220
1415924634,9sleep20-21swapper/207:04:552
139932460,0sleep50-21swapper/510:50:575
312122450,0sleep00-21swapper/010:31:290
60932440,0sleep20-21swapper/212:12:312
289342440,0sleep1241ktimersoftd/109:11:131
237592440,1sleep123744-21sshd12:32:081
244112430,0sleep00-21swapper/012:30:150
188812430,0sleep70-21swapper/712:13:167
148982430,0sleep00-21swapper/011:09:340
128662430,1sleep61-21systemd09:19:436
48232420,0sleep00-21swapper/010:28:090
267832420,0sleep50-21swapper/511:56:565
267832420,0sleep50-21swapper/511:56:565
1436124230,8sleep70-21swapper/707:07:417
90512410,0sleep60-21swapper/609:58:366
322082410,0sleep50-21swapper/509:50:345
303152410,0sleep40-21swapper/411:47:504
237082410,0sleep20-21swapper/211:32:342
203002410,0sleep00-21swapper/009:33:150
194602410,0sleep30-21swapper/311:45:173
191212410,0sleep10-21swapper/109:31:151
1419824129,8sleep50-21swapper/507:05:315
108612410,0sleep2311rcuc/210:50:462
70952400,0sleep50-21swapper/512:36:455
60872400,0sleep70-21swapper/711:40:487
117012400,0sleep50-21swapper/510:26:385
42742390,0sleep10-21swapper/109:47:091
1420523926,9sleep30-21swapper/307:05:373
1409623925,10sleep60-21swapper/607:04:036
190062380,0sleep20-21swapper/211:06:072
1459899232,6cyclictest31362-21sshd11:40:245
1459899231,6cyclictest4480-21sshd09:56:275
49162220,0sleep00-21swapper/011:23:510
200772220,0sleep231305-1kworker/2:0H12:18:482
1457199225,3cyclictest33-21ksoftirqd/211:16:352
1457199225,3cyclictest33-21ksoftirqd/211:16:352
1459899212,5cyclictest22662-21sshd12:04:045
1459899212,5cyclictest1-21systemd09:44:285
1459899212,3cyclictest25231-21sshd09:13:065
1459899212,3cyclictest12760-21systemd-cgroups10:19:115
14571992117,3cyclictest33-21ksoftirqd/210:11:552
1459899204,3cyclictest25427-21bash11:12:065
1459899203,6cyclictest29524-21sshd12:21:165
1459899203,3cyclictest1-21systemd10:14:275
1459899202,5cyclictest721-21dbus-daemon11:19:585
1459899202,5cyclictest1-21systemd11:38:015
1459899194,4cyclictest14469-21grepconf.sh12:27:535
1459899194,3cyclictest13951-21grepconf.sh11:15:065
1459899194,3cyclictest13951-21grepconf.sh11:15:065
1459899193,5cyclictest18701-21sshd11:26:365
1459899193,5cyclictest12754-21grep10:34:045
1459899192,6cyclictest29800-21sshd09:18:485
1459899192,4cyclictest721-21dbus-daemon09:28:575
1459899192,4cyclictest14162-21systemd-cgroups09:16:075
1459899192,4cyclictest10347-21sshd10:28:275
1459899192,3cyclictest28108-21systemd-cgroups11:32:505
1459899192,2cyclictest9802-21systemd-cgroups10:59:595
1459099191,1cyclictest121rcu_preempt09:23:414
14571991915,4cyclictest33-21ksoftirqd/211:45:552
14571991914,3cyclictest33-21ksoftirqd/210:47:232
44482180,0sleep70-21swapper/711:05:167
1459899183,5cyclictest6031-21grepconf.sh11:07:165
1459899183,4cyclictest14188-21bash09:42:095
1459899183,3cyclictest20526-21kill12:17:035
1459899182,7cyclictest0-21swapper/509:58:415
1459099184,1cyclictest49-21ksoftirqd/409:41:594
14590991816,1cyclictest49-21ksoftirqd/412:10:464
14590991816,1cyclictest49-21ksoftirqd/411:01:464
14590991814,1cyclictest49-21ksoftirqd/412:19:414
1459099180,1cyclictest49-21ksoftirqd/410:46:454
14571991815,2cyclictest33-21ksoftirqd/212:17:062
14571991814,1cyclictest33-21ksoftirqd/211:41:392
1457199180,17cyclictest4324-21kworker/2:010:04:382
254272170,0sleep00-21swapper/009:52:050
1459899173,6cyclictest8768-21rm10:54:205
1459899173,5cyclictest29301-21grep12:11:595
1459899173,5cyclictest23178-21sshd11:43:395
1459899173,4cyclictest19971-21grep12:02:085
1459899172,6cyclictest32646-21grepconf.sh09:24:345
1459899172,5cyclictest20687-21grep10:10:235
1459899172,5cyclictest18188-21grepconf.sh10:43:415
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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