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2026-09-23 - 06:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot2.osadl.org (updated Wed Sep 23, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127895826130,4sleep01278957-21uname19:05:220
136559522670,3chrt1365597-21sort00:16:210
130512222640,2sleep01305124-21systemctl20:40:020
132659822630,3chrt1326586-21ntpq21:55:480
134327322590,3chrt1343271-21ld22:55:420
128299522530,3chrt1282994-21/usr/sbin/munin19:20:120
129888622520,3chrt1298883-21ps20:16:160
130126222510,2chrt1301260-21irqstats20:25:240
128607322510,3sleep01286074-21/usr/sbin/munin19:30:310
130271722320,2sleep01302719-21latency20:30:280
132344222080,3sleep01323440-21apt21:45:130
133209422020,3sleep01332095-21gcc22:15:340
128005999201170,19cyclictest1350252-21kworker/u2:100:00:040
131164121950,3chrt1310840-21/usr/sbin/munin21:01:220
135583021860,2sleep01355831-21ld23:40:410
135530121850,2sleep01355302-21munin-plugin-st23:40:000
131023521830,3chrt1310233-21sshd20:56:220
136684821790,3chrt1366850-21grep00:21:160
132802321770,4chrt1328021-21ld22:00:520
131682221770,3sleep01316824-21sed21:20:410
129731221750,3chrt1297307-21ntpq20:10:490
128005999175145,20cyclictest1350252-21kworker/u2:100:00:370
128005999175145,19cyclictest1350252-21kworker/u2:123:35:070
136227021740,2sleep01362273-21cut00:05:260
133516021730,4chrt1335162-21rt-features22:26:160
133092621730,4chrt1330385-21/usr/sbin/munin22:11:190
131282021720,4chrt1312818-21processes21:06:180
134061721710,4chrt1340608-21ntpq22:46:030
128005999171142,18cyclictest1303755-21kworker/u2:220:50:070
128005999170141,18cyclictest1299578-21kworker/u2:020:25:030
128005999170140,19cyclictest1333526-21kworker/u2:122:25:060
136813521680,3chrt1368131-21ntp_states00:26:070
128005999168138,19cyclictest1335827-21kworker/u2:222:40:060
132000121670,4chrt1320002-21sed21:31:190
128005999166137,19cyclictest1303755-21kworker/u2:221:41:160
128005999165135,19cyclictest1291694-21kworker/u2:120:10:030
128005999162133,19cyclictest1303755-21kworker/u2:220:55:050
128005999162133,18cyclictest1267693-21kworker/u2:219:20:030
128005999162132,20cyclictest1368002-21kworker/u2:000:40:040
128005999160129,20cyclictest1287511-21kworker/u2:019:55:050
128005999159129,19cyclictest1350252-21kworker/u2:100:11:170
128005999158131,18cyclictest1291694-21kworker/u2:120:41:210
128005999158130,18cyclictest1313988-21kworker/u2:121:15:030
128005999157129,17cyclictest1345975-21kworker/u2:223:10:020
128005999157128,19cyclictest1345975-21kworker/u2:223:11:230
128005999154128,17cyclictest1350252-21kworker/u2:123:51:190
128005999154123,19cyclictest1287511-21kworker/u2:019:45:070
128005999153125,17cyclictest1368002-21kworker/u2:000:31:230
128005999152123,19cyclictest1350252-21kworker/u2:123:20:470
128005999151121,19cyclictest1350252-21kworker/u2:123:30:040
128005999150121,19cyclictest1345975-21kworker/u2:223:20:000
128005999150121,19cyclictest1280067-21kworker/u2:119:30:040
128005999149119,19cyclictest1335827-21kworker/u2:222:32:410
128095621470,3sleep01280954-21timerwakeupswit19:11:210
128005999146117,19cyclictest1291694-21kworker/u2:120:00:210
128005999146116,20cyclictest1285654-21kworker/u2:219:45:460
128005999145118,16cyclictest1291694-21kworker/u2:120:00:050
128005999145116,17cyclictest1324686-21kworker/u2:021:55:070
128005999144114,20cyclictest1357185-21kworker/u2:223:45:570
134003921430,3sleep01340040-21ls22:45:050
128005999143114,18cyclictest1342781-21kworker/u2:123:01:130
128005999143113,19cyclictest1303755-21kworker/u2:221:25:320
128005999141112,18cyclictest1303755-21kworker/u2:221:20:060
128005999139110,18cyclictest1287511-21kworker/u2:019:40:050
12800599913594,18cyclictest1335827-21kworker/u2:222:55:020
128005999133105,17cyclictest1303755-21kworker/u2:221:40:070
12800599912596,17cyclictest1324686-21kworker/u2:022:10:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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