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2026-03-31 - 11:35
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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 Tue Mar 31, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
782854993028,1cyclictest0-21swapper/320:00:003
782854993027,1cyclictest0-21swapper/300:40:003
129998280,13rtkit-daemon1001907-21/usr/sbin/munin21:50:272
782854992724,1cyclictest0-21swapper/320:20:013
782854992724,1cyclictest0-21swapper/319:35:003
78285499261,21cyclictest1110159-21sleep23:00:013
11100952260,2sleep1321rcuc/122:59:561
782854992410,10cyclictest1241833-21sleep00:25:003
782854992320,1cyclictest0-21swapper/319:45:263
11856552220,2sleep0222-21plymouthd23:45:250
11856552220,2sleep0222-21plymouthd23:45:250
782854992118,1cyclictest0-21swapper/323:55:003
782854992118,1cyclictest0-21swapper/322:55:003
782854992111,7cyclictest11182042sleep323:05:123
78285499211,15cyclictest977856-21taskset21:33:343
78285499211,15cyclictest1170691-21taskset23:35:463
78285499211,15cyclictest1163846-21taskset23:33:383
78285499209,7cyclictest8619622sleep320:06:363
782854992017,1cyclictest0-21swapper/319:20:143
78285499201,15cyclictest855658-21taskset20:02:423
78285499201,15cyclictest1234159-21turbostat00:20:003
78285499201,14cyclictest1125922-21taskset23:10:003
78285499199,7cyclictest10794272sleep322:40:033
782854991916,1cyclictest0-21swapper/323:40:153
782854991915,1cyclictest0-21swapper/323:55:203
782854991914,2cyclictest0-21swapper/300:05:203
78285499191,14cyclictest992739-21taskset21:41:403
78285499191,14cyclictest932882-21taskset21:01:393
78285499191,14cyclictest1210927-21turbostat00:05:003
78285499191,14cyclictest1047895-21taskset22:19:253
78285499191,14cyclictest1009293-21taskset21:54:553
782854991910,6cyclictest11476422sleep323:21:203
10927822196,3sleep1939578-21diskmemload22:45:261
10163092190,1sleep30-21swapper/321:57:483
78285499189,6cyclictest9859722sleep321:39:503
78285499189,6cyclictest9859722sleep321:39:493
78285499187,7cyclictest11489102sleep323:25:013
78285499182,12cyclictest914036-21taskset20:50:133
782854991816,1cyclictest0-21swapper/321:00:013
782854991815,1cyclictest0-21swapper/322:45:163
782854991815,1cyclictest0-21swapper/322:35:223
782854991815,1cyclictest0-21swapper/321:25:203
78285499181,14cyclictest954012-21taskset21:16:433
78285499181,14cyclictest933613-21taskset21:05:163
78285499181,13cyclictest903890-21taskset20:40:193
78285499181,13cyclictest899897-21taskset20:35:213
78285499181,13cyclictest1250367-21taskset00:30:153
78285499181,13cyclictest1221814-21taskset00:10:183
78285499177,7cyclictest8429572sleep319:54:573
78285499176,7cyclictest8174562sleep319:35:133
782854991715,1cyclictest0-21swapper/322:23:213
782854991714,1cyclictest0-21swapper/322:30:183
782854991714,1cyclictest0-21swapper/321:25:003
78285499171,13cyclictest945959-21taskset21:10:533
78285499171,13cyclictest894067-21taskset20:30:283
78285499171,13cyclictest887792-21taskset20:27:003
78285499171,13cyclictest829836-21taskset19:41:293
78285499171,13cyclictest796690-21taskset19:15:203
78285499171,13cyclictest1187556-21sleep23:50:003
78285499171,13cyclictest1187556-21sleep23:50:003
78285499171,13cyclictest1116612-21taskset23:01:063
78285499171,13cyclictest1062708-21chrt22:27:193
78285499171,13cyclictest1000637-21taskset21:47:143
78285499171,12cyclictest810363-21taskset19:25:423
78285499171,12cyclictest1242322-21taskset00:25:143
78285499170,13cyclictest1024676-21taskset22:04:303
78285499165,8cyclictest1030766-21taskset22:05:263
782854991613,1cyclictest0-21swapper/323:15:193
78285499161,12cyclictest913453-21taskset20:46:243
78285499161,12cyclictest881288-21taskset20:21:103
78285499161,12cyclictest868561-21taskset20:13:413
78285499161,12cyclictest1039472-21taskset22:12:233
78285499160,13cyclictest782998-21taskset19:10:033
129998160,10rtkit-daemon1070959-21ssh22:33:452
11466852151,10sleep21146728-21ntpq23:20:192
8935472141,4sleep1893579-21ntpq20:30:231
7770752141,10sleep1778010-21/usr/sbin/munin19:05:161
129998140,3rtkit-daemon1240417-21ssh00:20:452
10941172148,4sleep01094118-21sh22:48:300
9997972130,10sleep01000047-21ssh21:45:270
129998130,9rtkit-daemon1054984-21ssh22:22:242
11161102130,10sleep21116271-21ssh23:00:262
10558602131,8sleep01055863-21cron22:25:000
10224652130,9sleep21022604-21cut22:00:212
9614852121,2sleep20-21swapper/221:20:442
8556292121,2sleep10-21swapper/120:02:211
8429612121,8sleep2843209-21latency_hist19:55:002
8229452121,8sleep00-21swapper/019:35:260
129998120,8rtkit-daemon1163370-21ssh23:32:131
129998120,8rtkit-daemon1100997-21ssh22:50:560
11790522121,8sleep11179058-21ssh23:42:441
11094832120,9sleep21109485-21ssh22:58:062
10420852120,1sleep1321rcuc/122:15:181
10408432120,9sleep21041028-21sed22:15:162
9936972110,1sleep00-21swapper/021:44:310
9866352110,8sleep2986840-21ssh21:40:162
9779892110,2sleep10-21swapper/121:34:021
9477242110,8sleep2947808-21tr21:15:142
9201912110,8sleep1920276-21date20:55:011
8041402110,1sleep00-21swapper/019:23:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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