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2026-05-15 - 08:12
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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 Fri May 15, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1057444992813,1cyclictest0-21swapper/323:00:143
1057444992623,1cyclictest0-21swapper/320:25:153
1057444992623,1cyclictest0-21swapper/320:00:013
11227722240,7sleep12814378-21kworker/1:1+events19:55:191
105744499241,15cyclictest1117915-21taskset19:55:013
105744499222,15cyclictest1467705-21taskset23:48:223
1057444992219,1cyclictest0-21swapper/322:20:003
105744499221,16cyclictest1419389-21taskset23:15:583
1057444992119,1cyclictest0-21swapper/321:20:033
1057444992118,1cyclictest0-21swapper/320:30:203
1057444992118,1cyclictest0-21swapper/300:05:263
12633152200,10sleep244-21ksoftirqd/221:40:152
105744499209,7cyclictest13170502sleep322:13:013
105744499201,15cyclictest1468817-21taskset23:50:143
105744499201,15cyclictest1301938-21sleep22:05:013
105744499201,14cyclictest1452536-21turbostat23:40:003
105744499192,12cyclictest1104799-21taskset19:42:583
1057444991917,1cyclictest0-21swapper/319:20:013
1057444991916,1cyclictest0-21swapper/323:05:183
1057444991916,1cyclictest0-21swapper/319:25:143
1057444991916,1cyclictest0-21swapper/319:25:143
1057444991916,1cyclictest0-21swapper/319:20:053
1057444991916,1cyclictest0-21swapper/300:20:003
1057444991915,2cyclictest1130833-21turbostat20:05:013
105744499191,14cyclictest1364519-21taskset22:42:303
105744499191,14cyclictest1228524-21taskset21:15:263
105744499191,14cyclictest1143563-21taskset20:13:453
105744499191,14cyclictest1137088-21taskset20:07:553
105744499191,13cyclictest1200870-21taskset20:55:223
129998180,13rtkit-daemon1150173-21sendmail20:20:010
105744499187,7cyclictest13719742sleep322:46:123
105744499182,12cyclictest1545708-21taskset00:35:283
105744499182,12cyclictest1481879-21taskset23:55:233
1057444991816,1cyclictest0-21swapper/323:40:263
1057444991815,1cyclictest0-21swapper/321:10:143
1057444991815,1cyclictest0-21swapper/321:00:273
1057444991815,1cyclictest0-21swapper/319:12:503
1057444991815,1cyclictest0-21swapper/300:30:203
105744499181,13cyclictest1506420-21taskset00:10:553
105744499181,13cyclictest1381597-21taskset22:55:053
105744499181,13cyclictest1349959-21taskset22:35:133
105744499181,13cyclictest1346963-21taskset22:30:203
105744499181,13cyclictest1333961-21taskset22:25:023
105744499181,13cyclictest1309206-21taskset22:08:193
105744499181,13cyclictest1286406-21taskset21:55:043
105744499181,13cyclictest1269424-21taskset21:42:413
105744499181,13cyclictest1261967-21taskset21:39:043
105744499181,13cyclictest1245117-21taskset21:26:213
105744499181,13cyclictest1214634-21taskset21:08:413
105744499181,13cyclictest1183137-21taskset20:45:163
105744499181,13cyclictest1091897-21taskset19:34:273
129998170,2rtkit-daemon1000-21snmpd23:57:410
1057444991714,1cyclictest0-21swapper/323:10:243
1057444991714,1cyclictest0-21swapper/322:20:033
1057444991714,1cyclictest0-21swapper/300:00:143
105744499171,13cyclictest1428004-21taskset23:22:523
105744499171,13cyclictest1284930-21taskset21:51:433
105744499171,13cyclictest1277728-21taskset21:48:383
105744499171,13cyclictest1246742-21taskset21:30:053
105744499171,13cyclictest1098169-21taskset19:36:043
105744499171,12cyclictest1437005-21taskset23:30:093
105744499171,12cyclictest1190599-21taskset20:50:173
105744499171,12cyclictest1182357-21taskset20:44:563
105744499171,12cyclictest1143923-21taskset20:15:053
105744499171,12cyclictest1105437-21taskset19:45:143
105744499170,13cyclictest1150393-21taskset20:20:023
15159762160,2sleep2222-21plymouthd00:20:002
1057444991614,1cyclictest0-21swapper/323:25:273
105744499161,12cyclictest1524409-21taskset00:25:133
105744499161,12cyclictest1175839-21chrt20:39:103
105744499161,11cyclictest1373610-21taskset22:50:043
105744499160,12cyclictest1516193-21taskset00:20:013
11039902151,10sleep21104029-21ntpq19:40:212
15146352140,6sleep11514641-21ssh00:16:311
13026392141,10sleep01302724-21/usr/sbin/munin22:05:160
129998140,9rtkit-daemon1523856-21ssh00:24:570
129998140,9rtkit-daemon1282338-21cut21:50:192
12366612141,10sleep21236914-21/usr/sbin/munin21:20:282
129998130,9rtkit-daemon222-21plymouthd20:20:130
129998130,8rtkit-daemon1530689-21sh00:26:580
12610902130,10sleep11261096-21ssh21:36:421
15135752121,3sleep01513625-21ntpq00:15:220
14204082120,3sleep11420414-21ssh23:18:501
13326652121,8sleep11332669-21ssh22:22:211
13182742120,9sleep01318350-21grep22:15:140
129998120,8rtkit-daemon1189250-21awk20:50:122
129998120,6rtkit-daemon739-21wpa_supplicant19:48:080
129998120,4rtkit-daemon703-21mta-sts-daemon00:31:490
129998120,3rtkit-daemon222-21plymouthd19:18:100
11756202120,1sleep00-21swapper/020:36:240
11136702120,3sleep1321rcuc/119:50:181
14841082110,2sleep21484208-21ssh00:00:002
14439332110,8sleep21443939-21ssh23:33:182
13869592110,4sleep01387006-21ntpq22:55:230
13553332110,8sleep21355369-21collect222:35:252
129998110,3rtkit-daemon703-21mta-sts-daemon23:01:440
129998110,3rtkit-daemon1301629-21ssh22:04:111
12697382111,3sleep11269743-21diskmemload21:43:361
10845132110,2sleep10-21swapper/119:25:211
10845132110,2sleep10-21swapper/119:25:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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