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2025-12-17 - 16:47
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot5.osadl.org (updated Wed Dec 17, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35337369947622,29cyclictest0-21swapper/121:37:361
3533758994750,58cyclictest0-21swapper/719:47:1413
35337589947426,30cyclictest0-21swapper/700:06:3713
35337449947326,29cyclictest0-21swapper/322:54:349
35337369947223,29cyclictest0-21swapper/121:23:151
35337369947223,29cyclictest0-21swapper/121:07:141
35337639947123,447cyclictest0-21swapper/821:24:3614
35337369947023,29cyclictest0-21swapper/123:32:351
35337639946923,30cyclictest0-21swapper/823:43:3514
35337639946923,30cyclictest0-21swapper/823:43:3514
35337589946925,29cyclictest0-21swapper/722:59:4713
35337369946820,29cyclictest0-21swapper/122:04:141
35337869946718,30cyclictest0-21swapper/1320:46:515
35337869946718,30cyclictest0-21swapper/1320:46:515
35337639946620,30cyclictest0-21swapper/800:39:1214
35337489946617,29cyclictest0-21swapper/423:47:3610
35337489946617,29cyclictest0-21swapper/423:47:3610
35337489946518,29cyclictest0-21swapper/421:40:3610
35337559946412,30cyclictest0-21swapper/623:25:5112
35337489946415,30cyclictest0-21swapper/420:57:1310
35337489946415,30cyclictest0-21swapper/420:57:1310
35337639946317,29cyclictest0-21swapper/822:30:3514
35337639946216,29cyclictest0-21swapper/822:52:1414
35337869945810,30cyclictest0-21swapper/1320:39:155
35337589945814,28cyclictest0-21swapper/722:40:5113
3533786994568,28cyclictest0-21swapper/1320:57:365
3533786994568,28cyclictest0-21swapper/1320:57:365
353376399456453,3cyclictest1802-21snmpd21:17:4614
3533786994536,30cyclictest0-21swapper/1321:05:375
35337589945225,30cyclictest0-21swapper/723:51:1413
35337489945229,422cyclictest0-21swapper/421:14:3610
35337589945125,30cyclictest0-21swapper/722:49:3513
35337369945122,30cyclictest0-21swapper/119:39:141
3533786994505,30cyclictest0-21swapper/1320:05:135
3533748994502,446cyclictest0-21swapper/400:05:5110
3533758994490,30cyclictest0-21swapper/723:48:3713
3533758994490,30cyclictest0-21swapper/723:48:3713
3533758994490,30cyclictest0-21swapper/721:15:3613
3533758994480,30cyclictest0-21swapper/722:23:3813
35337589944718,33cyclictest0-21swapper/723:30:1413
35337489944620,28cyclictest0-21swapper/419:17:1410
35337369944618,30cyclictest0-21swapper/100:02:141
35337489944419,28cyclictest0-21swapper/419:12:3310
35337369944423,418cyclictest0-21swapper/119:57:351
35337639944316,29cyclictest0-21swapper/823:28:3614
35337589944320,28cyclictest0-21swapper/720:24:1413
35337589944317,30cyclictest0-21swapper/700:33:1413
35337559944312,30cyclictest0-21swapper/621:33:5112
35337369944324,417cyclictest0-21swapper/123:19:361
35337639944223,419cyclictest0-21swapper/820:36:3414
35337639944223,418cyclictest0-21swapper/821:09:1414
35337559944223,418cyclictest0-21swapper/623:02:5112
35337449944220,29cyclictest0-21swapper/323:08:139
35337449944217,30cyclictest0-21swapper/300:22:519
35337369944222,418cyclictest0-21swapper/122:21:371
35337369944221,420cyclictest0-21swapper/119:44:361
35337369944221,417cyclictest0-21swapper/121:03:341
35337369944114,29cyclictest0-21swapper/100:31:351
35337869944015,30cyclictest0-21swapper/1322:22:515
35337639944023,417cyclictest0-21swapper/819:55:3714
35337639944022,417cyclictest0-21swapper/823:52:1414
35337639944021,418cyclictest0-21swapper/820:26:3614
35337639944021,418cyclictest0-21swapper/800:31:1414
35337639944017,29cyclictest0-21swapper/823:17:1414
353373399440437,3cyclictest1802-21snmpd21:19:460
35337639943920,419cyclictest0-21swapper/821:43:3614
35337489943925,412cyclictest0-21swapper/400:11:1410
3533755994380,437cyclictest0-21swapper/621:16:2512
35337489943810,31cyclictest0-21swapper/421:38:1410
353376799437435,1cyclictest1802-21snmpd22:50:4915
35337369943715,30cyclictest0-21swapper/119:22:521
35337869943623,28cyclictest3570796-21sleep19:59:475
35337869943611,28cyclictest0-21swapper/1319:21:145
35337489943618,416cyclictest0-21swapper/423:21:3310
353374499436436,0cyclictest0-21swapper/323:58:279
35337449943611,423cyclictest0-21swapper/323:41:369
35337449943611,423cyclictest0-21swapper/323:41:369
3533786994359,30cyclictest0-21swapper/1323:06:365
35337589943518,416cyclictest0-21swapper/700:11:5113
3533786994349,423cyclictest0-21swapper/1323:56:335
3533786994348,424cyclictest0-21swapper/1322:45:355
35337449943414,419cyclictest0-21swapper/322:26:149
35337449943410,30cyclictest3569964-21find19:50:159
353373699434431,2cyclictest3699178-21kworker/1:2+events22:44:031
3533786994338,28cyclictest0-21swapper/1300:19:135
35337639943315,417cyclictest0-21swapper/800:09:3514
35337559943311,421cyclictest0-21swapper/622:55:3512
3533786994328,29cyclictest0-21swapper/1320:32:365
35337639943214,417cyclictest0-21swapper/823:35:1414
35337639943214,417cyclictest0-21swapper/823:35:1414
35337639943214,417cyclictest0-21swapper/822:22:1314
3533758994327,30cyclictest0-21swapper/721:56:1413
353379199431429,1cyclictest3566546-21kworker/15:2+pm20:00:057
35337639943114,417cyclictest0-21swapper/820:17:1314
35337519943112,418cyclictest0-21swapper/521:31:5111
35337449943112,418cyclictest0-21swapper/320:47:359
35337449943112,418cyclictest0-21swapper/320:47:359
35337919943013,416cyclictest0-21swapper/1522:33:517
35337869943017,410cyclictest0-21swapper/1320:43:145
35337869943010,418cyclictest0-21swapper/1321:42:355
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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