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2026-04-16 - 08:58
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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 rackeslot8.osadl.org (updated Thu Apr 16, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214896421220,2sleep0151ktimers/021:45:160
206867321190,1sleep10-21swapper/120:50:171
206867321190,1sleep10-21swapper/120:50:161
20926912350,2sleep12092696-21unixbench_singl21:05:271
1935822992724,1cyclictest0-21swapper/323:25:163
1935822992623,1cyclictest0-21swapper/323:35:143
193582299257,6cyclictest2371851-21turbostat00:09:593
1935822992421,1cyclictest0-21swapper/323:59:593
1935822992421,1cyclictest0-21swapper/321:40:143
193582299232,16cyclictest2317485-21taskset23:34:513
1935822992320,1cyclictest0-21swapper/320:40:003
1935822992320,1cyclictest0-21swapper/300:20:153
1935822992118,1cyclictest0-21swapper/323:05:223
1935822992118,1cyclictest0-21swapper/321:15:133
1935822992118,1cyclictest0-21swapper/300:20:003
193582299211,15cyclictest2067290-21turbostat20:50:003
193582299211,14cyclictest2271108-21taskset23:05:003
193582299210,16cyclictest1989638-21turbostat19:50:013
23339072200,16sleep02334839-21ssh23:45:150
1935822992017,1cyclictest0-21swapper/323:20:143
1935822992017,1cyclictest0-21swapper/323:17:513
1935822992017,1cyclictest0-21swapper/322:00:163
1935822992017,1cyclictest0-21swapper/320:55:213
1935822992017,1cyclictest0-21swapper/300:35:193
193582299199,7cyclictest21855402sleep322:08:483
1935822991916,1cyclictest0-21swapper/322:50:003
1935822991916,1cyclictest0-21swapper/320:50:133
1935822991916,1cyclictest0-21swapper/320:50:123
193582299191,14cyclictest2409975-21taskset00:33:173
193582299191,14cyclictest2225189-21taskset22:35:133
193582299191,14cyclictest2154219-21taskset21:47:433
193582299191,14cyclictest1964095-21chrt19:30:123
193582299191,14cyclictest1963566-21taskset19:27:083
193582299191,13cyclictest2116283-21sleep21:29:553
1935822991815,1cyclictest0-21swapper/323:55:003
1935822991815,1cyclictest0-21swapper/322:25:043
1935822991815,1cyclictest0-21swapper/320:25:013
1935822991815,1cyclictest0-21swapper/320:20:003
193582299181,13cyclictest2401527-21taskset00:25:553
193582299181,13cyclictest2378919-21taskset00:13:013
193582299181,13cyclictest2356747-21taskset00:00:093
193582299181,13cyclictest2285232-21taskset23:10:543
193582299181,13cyclictest2232751-21chrt22:40:123
193582299181,13cyclictest2194061-21chrt22:15:133
193582299181,13cyclictest2162988-21taskset21:55:083
193582299181,13cyclictest2130336-21taskset21:30:523
193582299181,13cyclictest2100743-21taskset21:14:553
193582299181,13cyclictest2055940-21taskset20:40:163
193582299181,13cyclictest2017325-21taskset20:10:173
193582299181,13cyclictest1995942-21taskset19:53:213
193582299181,13cyclictest1950756-21taskset19:18:543
193582299181,13cyclictest1941917-21taskset19:11:163
1935822991716,0cyclictest0-21swapper/320:05:013
1935822991714,1cyclictest0-21swapper/321:20:193
1935822991714,1cyclictest0-21swapper/320:30:153
193582299171,13cyclictest2340164-21taskset23:47:553
193582299171,13cyclictest2223878-21taskset22:32:343
193582299171,13cyclictest2223878-21taskset22:32:333
193582299171,13cyclictest2208038-21taskset22:21:263
193582299171,13cyclictest2186201-21taskset22:10:043
193582299171,13cyclictest2161824-21taskset21:52:253
193582299171,13cyclictest2035273-21taskset20:25:083
193582299171,12cyclictest2261935-21taskset22:55:463
193582299171,12cyclictest2254136-21taskset22:50:343
193582299171,12cyclictest2132007-21taskset21:35:083
193582299171,12cyclictest2092734-21taskset21:05:453
193582299171,12cyclictest2015336-21taskset20:07:133
193582299171,12cyclictest1996369-21taskset19:55:063
193582299171,12cyclictest1975800-21taskset19:35:223
193582299171,12cyclictest1956976-21taskset19:20:463
22327462161,5sleep2222-21plymouthd22:40:122
20856992161,11sleep12085744-21ntp_states21:00:241
193582299161,12cyclictest2085786-21taskset21:00:243
193582299161,12cyclictest1982909-21taskset19:41:143
193582299160,12cyclictest2331644-21taskset23:40:323
19299712160,4sleep11930782-21cut19:05:181
21697642151,5sleep22169768-21ssh21:57:572
129998150,2rtkit-daemon222-21plymouthd23:58:400
21169822140,3sleep00-21swapper/021:25:150
19354192140,2sleep30-21swapper/319:06:563
22250122131,9sleep12225140-21expr22:35:121
21542762131,9sleep12154280-21ssh21:47:551
20625232130,10sleep22064251-21cut20:45:162
20288122131,3sleep2222-21plymouthd20:20:122
129998130,2rtkit-daemon2201513-21ssh22:20:010
23474582121,8sleep12347462-21ssh23:51:311
23086312127,2sleep00-21swapper/023:26:190
21850732121,4sleep22185077-21ssh22:07:202
20948532120,3sleep10-21swapper/121:10:181
20894062120,9sleep02091268-21tr21:05:190
20081002121,8sleep02008132-21ntpq20:00:210
19960712121,8sleep11996095-21apt19:55:001
19859792120,9sleep11987852-21kthreadcore19:45:181
129998120,8rtkit-daemon1949768-21sed19:15:201
129998120,3rtkit-daemon222-21plymouthd23:30:311
129998120,3rtkit-daemon222-21plymouthd19:36:380
24099812110,8sleep02409987-21ssh00:33:180
23480702111,7sleep00-21swapper/023:53:220
23329612111,7sleep12332963-21ssh23:44:331
23270562110,8sleep22328448-21cut23:40:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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