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2025-11-28 - 17:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 50 highest latencies:
System rackeslot4.osadl.org (updated Fri Nov 28, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1502662993935,2cyclictest1507581-21fwupd19:13:362
150266299341,4cyclictest0-21swapper/219:55:002
150266499311,21cyclictest1548933-21cron19:55:003
150266299311,2cyclictest0-21swapper/200:20:122
150266299311,21cyclictest1853526-21ntpq00:05:212
1502664993015,6cyclictest1818423-21kthreadcore23:40:193
1502662993018,2cyclictest1760424-21grep22:55:152
1502662993018,2cyclictest0-21swapper/223:40:172
1502662993018,2cyclictest0-21swapper/200:28:332
150266299301,2cyclictest0-21swapper/221:25:012
150266499291,20cyclictest0-21swapper/300:00:143
150266499290,20cyclictest1785414-21df23:15:143
150266499290,20cyclictest1785414-21df23:15:133
1502662992918,2cyclictest0-21swapper/220:55:002
1502662992918,2cyclictest0-21swapper/220:55:002
150266299291,2cyclictest0-21swapper/222:24:112
150266299290,3cyclictest1770405-21ssh23:00:202
150266299290,21cyclictest1803424-21ssh23:28:432
150266299290,21cyclictest1758947-21ssh22:52:282
150266299290,20cyclictest0-21swapper/222:36:142
150266299290,20cyclictest0-21swapper/222:12:052
150266299290,20cyclictest0-21swapper/221:11:312
1502664992819,7cyclictest1783845-21ssh23:11:293
1502664992819,6cyclictest1626695-21diskmemload22:22:473
150266499281,20cyclictest1626695-21diskmemload23:57:563
150266499280,1cyclictest1758702-21ssh22:51:363
150266499280,1cyclictest1714511-21ssh22:15:483
150266499280,1cyclictest0-21swapper/323:47:423
150266499280,1cyclictest0-21swapper/322:30:403
150266499280,18cyclictest0-21swapper/323:31:273
150266299282,23cyclictest1887665-21apt-get00:35:112
1502662992821,6cyclictest1830317-21apt-key23:50:012
1502662992820,6cyclictest1539026-21apt-get19:45:112
1502662992818,2cyclictest1828564-21ssh23:45:522
1502662992818,2cyclictest0-21swapper/222:42:462
1502662992817,2cyclictest1611685-21apt-get20:55:122
150266299281,2cyclictest1626695-21diskmemload21:41:232
150266299281,2cyclictest1626695-21diskmemload21:38:362
150266299281,2cyclictest0-21swapper/223:13:232
150266299281,2cyclictest0-21swapper/222:30:402
150266299281,21cyclictest1843200-21apt-get00:00:142
150266299281,20cyclictest1626695-21diskmemload21:58:372
150266299281,19cyclictest0-21swapper/220:05:142
150266299280,21cyclictest1-21systemd20:30:002
150266299280,1cyclictest0-21swapper/223:35:112
1502664992719,7cyclictest1644180-21users21:20:253
1502664992717,9cyclictest1766389-21/usr/sbin/munin23:00:203
1502664992716,2cyclictest0-21swapper/322:50:003
150266499271,20cyclictest0-21swapper/300:05:213
150266499271,19cyclictest0-21swapper/321:38:353
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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