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2026-07-25 - 18:16
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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 Jul 25, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27091997535,40cyclictest0-21swapper/110:33:531
27096996933,36cyclictest0-21swapper/610:33:546
219722540,0sleep40-21swapper/409:50:054
128672520,1sleep612866-21grep12:07:116
217262510,1sleep09-21ksoftirqd/010:37:020
2674325046,1sleep00-21swapper/007:04:100
2675524825,8sleep30-21swapper/307:04:213
72022470,0sleep30-21swapper/311:37:523
69062470,0sleep20-21swapper/210:25:272
231252470,0sleep70-21swapper/710:10:027
231252470,0sleep70-21swapper/710:10:027
102432470,0sleep70-21swapper/709:31:187
79172460,0sleep20-21swapper/210:56:182
42552460,1sleep14252-21bash11:46:471
248242460,3sleep40-21swapper/409:24:504
234032460,0sleep20-21swapper/211:42:242
234032460,0sleep20-21swapper/211:42:242
79282450,0sleep60-21swapper/610:00:086
2709099450,44cyclictest24979-21kworker/0:010:33:530
56852440,1sleep05646-21sshd12:21:220
52622440,0sleep20-21swapper/211:10:362
40522430,0sleep60-21swapper/610:30:436
272092430,0sleep60-21swapper/609:44:546
115282430,0sleep40-21swapper/409:58:304
2709599420,41cyclictest20104-21kworker/5:210:33:535
2614124226,11sleep60-21swapper/607:01:516
257542420,0sleep7721ktimersoftd/709:24:537
245562420,0sleep30-21swapper/311:15:183
222632420,1sleep022261-21sshd11:22:190
69002410,0sleep10-21swapper/112:01:291
301062410,1sleep330105-21grepconf.sh09:59:333
293912410,0sleep50-21swapper/510:08:325
293912410,0sleep50-21swapper/510:08:325
2660724129,9sleep70-21swapper/707:02:167
179222410,0sleep517907-21sshd12:14:465
162462410,0sleep10-21swapper/110:47:361
147582410,0sleep00-21swapper/011:18:190
2673924027,9sleep50-21swapper/507:04:075
2672724028,8sleep40-21swapper/407:03:574
249652400,0sleep40-21swapper/410:35:304
141602400,0sleep70-21swapper/712:16:257
2709799390,38cyclictest29361-21kworker/u16:110:33:547
2663723926,9sleep10-21swapper/107:02:421
2658223928,8sleep20-21swapper/207:01:552
203362390,0sleep00-21swapper/010:02:340
203362390,0sleep00-21swapper/010:02:340
264692370,0sleep773-21ksoftirqd/711:20:507
231012350,0sleep00-21swapper/010:11:470
27092993434,0cyclictest13550irq/24-ahci[00010:33:542
76382310,0sleep30-21swapper/309:06:553
76382310,0sleep30-21swapper/309:06:553
2709199234,1cyclictest25-21ksoftirqd/110:58:451
2709199234,1cyclictest25-21ksoftirqd/110:58:451
2709199227,2cyclictest25-21ksoftirqd/112:18:461
2709199217,2cyclictest25-21ksoftirqd/111:32:131
27091992117,3cyclictest25-21ksoftirqd/111:59:281
27091992117,1cyclictest25-21ksoftirqd/109:59:131
165892210,0sleep30-21swapper/310:45:543
2709399200,19cyclictest0-21swapper/310:33:533
27091992016,3cyclictest25-21ksoftirqd/112:28:121
27091992016,3cyclictest25-21ksoftirqd/111:10:471
27091992016,1cyclictest25-21ksoftirqd/112:13:301
27091992014,3cyclictest25-21ksoftirqd/110:27:051
247422200,0sleep20-21swapper/209:30:162
176012200,0sleep017595-21sshd12:00:160
168992200,1sleep716897-21sshd10:15:077
272232190,0sleep20-21swapper/209:34:012
2709199194,1cyclictest25-21ksoftirqd/112:24:531
27091991918,1cyclictest25-21ksoftirqd/110:51:521
27091991916,3cyclictest25-21ksoftirqd/111:52:581
27091991916,2cyclictest25-21ksoftirqd/111:28:381
27091991915,1cyclictest25-21ksoftirqd/109:09:471
27091991915,1cyclictest25-21ksoftirqd/109:09:471
27091991914,3cyclictest25-21ksoftirqd/112:33:471
117772190,0sleep60-21swapper/609:24:046
99922180,14sleep685150irq/25-em1-rx-009:18:276
2709199188,1cyclictest25-21ksoftirqd/110:22:521
27091991816,1cyclictest25-21ksoftirqd/111:45:181
27091991816,1cyclictest25-21ksoftirqd/111:45:181
27091991816,1cyclictest25-21ksoftirqd/110:18:451
27091991816,1cyclictest25-21ksoftirqd/109:50:531
27091991816,1cyclictest25-21ksoftirqd/109:28:321
27091991815,2cyclictest25-21ksoftirqd/110:12:501
27091991815,2cyclictest25-21ksoftirqd/109:13:431
27091991814,3cyclictest25-21ksoftirqd/109:45:481
27091991814,1cyclictest25-21ksoftirqd/110:41:011
27091991814,1cyclictest25-21ksoftirqd/109:54:521
27091991814,1cyclictest25-21ksoftirqd/109:39:471
27091991813,3cyclictest25-21ksoftirqd/111:19:491
27091991812,4cyclictest25-21ksoftirqd/109:22:201
27091991811,4cyclictest25-21ksoftirqd/111:03:191
45512170,12sleep557-21ksoftirqd/512:06:465
2709199175,1cyclictest25-21ksoftirqd/110:42:581
27091991715,1cyclictest25-21ksoftirqd/111:41:231
27091991715,1cyclictest25-21ksoftirqd/110:09:531
27091991715,1cyclictest25-21ksoftirqd/110:09:531
27091991715,1cyclictest25-21ksoftirqd/109:19:331
27091991715,1cyclictest25-21ksoftirqd/109:06:291
27091991715,1cyclictest25-21ksoftirqd/109:06:291
70862160,1sleep27085-21sshd09:36:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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