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2026-03-16 - 10:23
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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 rack6slot0.osadl.org (updated Mon Mar 16, 2026 01:01:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4078299229211,7cyclictest0-21swapper/023:15:000
4078299229211,7cyclictest0-21swapper/023:14:590
4079799216204,10cyclictest0-21swapper/1322:31:585
4079799216204,10cyclictest0-21swapper/1322:31:585
4080999214203,9cyclictest0-21swapper/2422:50:2517
4080999214203,9cyclictest0-21swapper/2422:50:2517
4079799214207,3cyclictest4408-21CPU5
4079799214207,3cyclictest4408-21CPU5
4079799205198,5cyclictest0-21swapper/1321:26:475
4079799205198,5cyclictest0-21swapper/1321:26:475
4079799205198,5cyclictest0-21swapper/1321:26:475
4079799203196,5cyclictest0-21swapper/1323:11:145
4079799203196,5cyclictest0-21swapper/1323:11:145
4078299203192,6cyclictest37265-21CPU0
4078299203192,6cyclictest37265-21CPU0
40811992020,3cyclictest36347-21systemd-cgroups21:55:1418
40811992020,3cyclictest36347-21systemd-cgroups21:55:1418
4080999201194,5cyclictest0-21swapper/2423:06:1617
4080999201194,5cyclictest0-21swapper/2423:06:1617
4080999201194,5cyclictest0-21swapper/2423:06:1617
4080999201191,6cyclictest0-21swapper/2422:58:4517
4080999201191,6cyclictest0-21swapper/2422:58:4417
4080399201195,4cyclictest0-21swapper/1822:05:1410
4080399201195,4cyclictest0-21swapper/1822:05:1410
4081799200196,2cyclictest0-21swapper/2922:35:1722
4081799200196,2cyclictest0-21swapper/2922:35:1722
4081399199194,3cyclictest0-21swapper/2622:15:1519
4081399199194,3cyclictest0-21swapper/2622:15:1519
4081399199194,3cyclictest0-21swapper/2622:15:1519
4079799199193,5cyclictest0-21swapper/1320:20:285
4079799199193,5cyclictest0-21swapper/1320:20:285
4079799197191,4cyclictest0-21swapper/1322:37:325
4079799197191,4cyclictest0-21swapper/1322:37:325
4078599196189,4cyclictest0-21swapper/222:15:2112
4078599196189,4cyclictest0-21swapper/222:15:2112
4078599196189,4cyclictest0-21swapper/222:15:2112
4080999195186,6cyclictest0-21swapper/2421:20:3717
4080999195186,6cyclictest0-21swapper/2421:20:3717
4080999195186,6cyclictest0-21swapper/2421:20:3717
4079799195188,5cyclictest0-21swapper/1322:10:215
4079799195188,5cyclictest0-21swapper/1322:10:215
4079799195188,5cyclictest0-21swapper/1300:05:375
4079799195188,5cyclictest0-21swapper/1300:05:375
4079799195188,5cyclictest0-21swapper/1300:05:375
4079799195187,5cyclictest15389-21sshd21:45:535
4079799195187,5cyclictest15389-21sshd21:45:535
4078299195187,6cyclictest0-21swapper/000:25:170
4078299195187,6cyclictest0-21swapper/000:25:170
4079799194188,4cyclictest0-21swapper/1322:29:165
4079799194188,4cyclictest0-21swapper/1322:29:165
4079799194188,4cyclictest0-21swapper/1322:29:165
4080399193186,5cyclictest0-21swapper/1822:13:5010
4080399193186,5cyclictest0-21swapper/1822:13:5010
4079799193188,3cyclictest0-21swapper/1323:52:155
4079799193188,3cyclictest0-21swapper/1323:52:155
4079799193181,9cyclictest0-21swapper/1323:57:395
4079799193181,9cyclictest0-21swapper/1323:57:385
4079799193181,9cyclictest0-21swapper/1323:57:385
4078299193181,10cyclictest0-21swapper/023:34:330
4078299193181,10cyclictest0-21swapper/023:34:320
4079799192187,4cyclictest0-21swapper/1300:10:215
4079799192187,4cyclictest0-21swapper/1300:10:215
4079799192187,4cyclictest0-21swapper/1300:10:205
4080399191185,4cyclictest0-21swapper/1823:44:5710
4080399191185,4cyclictest0-21swapper/1823:44:5710
4079799191185,4cyclictest0-21swapper/1319:22:305
4079799191185,4cyclictest0-21swapper/1319:22:305
4079799191185,4cyclictest0-21swapper/1300:03:595
4079799191185,4cyclictest0-21swapper/1300:03:595
4080999190184,4cyclictest0-21swapper/2421:19:2717
4080999190184,4cyclictest0-21swapper/2421:19:2717
4079799190184,4cyclictest0-21swapper/1323:09:185
4079799190184,4cyclictest0-21swapper/1323:09:185
4079799190184,4cyclictest0-21swapper/1323:09:175
4079799190183,3cyclictest2462-21CPU5
4079799190183,3cyclictest2462-21CPU5
4079799190183,3cyclictest2462-21CPU5
4079799190182,5cyclictest0-21swapper/1320:30:225
4079799190182,5cyclictest0-21swapper/1320:30:215
4079499190185,4cyclictest0-21swapper/1023:28:252
4079499190185,4cyclictest0-21swapper/1023:28:252
4080999189179,6cyclictest0-21swapper/2422:45:1617
4080999189179,6cyclictest0-21swapper/2422:45:1517
4080399189170,11cyclictest0-21swapper/1821:30:4310
4080399189170,11cyclictest0-21swapper/1821:30:4310
4079899189179,8cyclictest0-21swapper/1421:18:346
4079899189179,8cyclictest0-21swapper/1421:18:346
4079799189184,4cyclictest0-21swapper/1321:05:215
4079799189184,4cyclictest0-21swapper/1321:05:215
4078299189183,4cyclictest0-21swapper/021:56:430
4078299189183,4cyclictest0-21swapper/021:56:430
4082899188175,6cyclictest0-21swapper/3921:49:5333
4082899188175,6cyclictest0-21swapper/3921:49:5233
40811991882,169cyclictest2456-21CPU18
40811991882,169cyclictest2456-21CPU18
4079799188183,4cyclictest0-21swapper/1323:48:265
4079799188183,4cyclictest0-21swapper/1323:48:265
4079799188183,4cyclictest0-21swapper/1321:54:275
4079799188183,4cyclictest0-21swapper/1321:54:265
4079799188183,4cyclictest0-21swapper/1321:54:265
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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