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2026-03-19 - 07:00
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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 Mar 19, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
98202860,2sleep03052199cyclictest00:26:350
299252750,0sleep10-21swapper/122:10:121
65502730,0sleep30-21swapper/300:00:193
118462700,2sleep13052299cyclictest22:57:221
145902620,0sleep014582-21sshd22:20:280
217712530,0sleep40-21swapper/421:26:584
267112520,0sleep60-21swapper/623:57:426
242732520,0sleep00-21swapper/021:19:420
202882520,0sleep50-21swapper/522:56:065
144052510,0sleep10-21swapper/121:22:471
3030725026,9sleep10-21swapper/119:05:231
54582490,0sleep05417-21sshd00:16:580
3015324925,9sleep30-21swapper/319:03:173
292512480,0sleep40-21swapper/400:35:124
191892480,1sleep619186-21grepconf.sh23:33:076
97702470,1sleep09-21ksoftirqd/022:55:290
325102470,0sleep40-21swapper/422:32:344
283782470,0sleep10-21swapper/123:03:551
139232470,0sleep413919-21sshd22:53:484
3016824624,8sleep50-21swapper/519:03:275
300692460,1sleep430049-21sshd00:29:354
127432460,0sleep70-21swapper/721:46:567
98812450,0sleep40-21swapper/421:57:504
91052450,1sleep341-21ksoftirqd/321:44:513
91052450,1sleep341-21ksoftirqd/321:44:513
262982450,1sleep73055799cyclictest00:29:227
230802450,0sleep70-21swapper/722:56:167
138452450,0sleep2492-21systemd-journal21:24:402
138302450,0sleep50-21swapper/522:40:525
255282440,0sleep50-21swapper/523:53:565
239072440,2sleep63055399cyclictest21:53:036
108132440,0sleep510814-21sshd23:17:445
234452430,0sleep30-21swapper/300:17:573
193592430,0sleep10-21swapper/100:30:521
117932430,0sleep711776-21sshd22:27:407
96012420,0sleep50-21swapper/520:21:575
249842420,0sleep1686-21dbus-daemon21:43:531
249842420,0sleep1686-21dbus-daemon21:43:531
23622420,0sleep50-21swapper/522:19:455
3017024129,8sleep70-21swapper/719:03:297
22852410,1sleep22284-21grepconf.sh23:37:432
162872410,1sleep516280-21sshd00:08:145
42172400,2sleep73055799cyclictest21:16:447
3023924029,8sleep00-21swapper/019:04:260
3011824028,9sleep40-21swapper/419:02:464
3008024028,9sleep60-21swapper/619:02:156
276032400,0sleep70-21swapper/722:08:107
21232400,0sleep00-21swapper/000:27:550
212172400,1sleep233-21ksoftirqd/223:05:242
190532400,0sleep50-21swapper/523:46:115
3010723928,8sleep20-21swapper/219:02:352
14262390,0sleep40-21swapper/421:33:154
115392390,0sleep00-21swapper/021:56:100
249702380,0sleep30-21swapper/322:54:273
209532380,0sleep70-21swapper/721:54:497
163512380,0sleep40-21swapper/421:19:134
288852370,0sleep00-21swapper/023:39:180
117572360,0sleep40-21swapper/420:26:444
200502350,0sleep70-21swapper/723:31:247
87972340,0sleep50-21swapper/523:56:455
60402330,2sleep03052199cyclictest21:37:120
60402330,2sleep03052199cyclictest21:37:120
30547992612,1cyclictest57-21ksoftirqd/521:42:315
30547992612,1cyclictest57-21ksoftirqd/521:42:315
3054799259,2cyclictest57-21ksoftirqd/521:22:345
3054799238,3cyclictest57-21ksoftirqd/521:53:265
3054799228,3cyclictest57-21ksoftirqd/521:18:485
3054799228,3cyclictest57-21ksoftirqd/500:19:595
3054799227,4cyclictest57-21ksoftirqd/500:32:085
3053699221,3cyclictest41-21ksoftirqd/323:30:243
3054799218,3cyclictest57-21ksoftirqd/523:37:305
3054799217,3cyclictest57-21ksoftirqd/500:28:035
3054799215,3cyclictest57-21ksoftirqd/523:07:105
3054799215,1cyclictest57-21ksoftirqd/500:06:225
3054799214,3cyclictest57-21ksoftirqd/522:32:005
3053699211,3cyclictest0-21swapper/300:13:043
30521992111,9cyclictest24214-21kworker/0:122:03:270
116182210,11sleep773-21ksoftirqd/700:09:527
3054799207,1cyclictest57-21ksoftirqd/521:50:455
3054799203,3cyclictest57-21ksoftirqd/523:12:565
30547992016,1cyclictest57-21ksoftirqd/523:32:525
30536992013,3cyclictest41-21ksoftirqd/323:24:463
3053699201,1cyclictest0-21swapper/322:38:483
30557991911,5cyclictest73-21ksoftirqd/722:58:077
3054799197,1cyclictest57-21ksoftirqd/500:26:385
3054799196,1cyclictest57-21ksoftirqd/522:31:305
3054799195,3cyclictest57-21ksoftirqd/523:26:265
3054799195,1cyclictest57-21ksoftirqd/522:49:435
3054799195,1cyclictest57-21ksoftirqd/522:08:525
3054799194,1cyclictest57-21ksoftirqd/523:29:405
30547991916,3cyclictest57-21ksoftirqd/522:04:065
30547991913,3cyclictest57-21ksoftirqd/523:49:385
3054799191,1cyclictest57-21ksoftirqd/522:46:155
3053699198,1cyclictest41-21ksoftirqd/323:53:213
3053699192,2cyclictest7572-21systemd-cgroups21:16:553
30536991917,1cyclictest41-21ksoftirqd/322:26:383
3053699191,3cyclictest41-21ksoftirqd/300:27:553
3053699191,3cyclictest0-21swapper/321:22:153
3053699191,2cyclictest41-21ksoftirqd/323:45:073
3053699191,2cyclictest0-21swapper/321:06:463
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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