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2025-07-13 - 10:01
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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 Sun Jul 13, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
876560992825,2cyclictest401ktimers/222:47:522
87655699275,21cyclictest311ktimers/122:22:561
87655499271,23cyclictest893761-21irqstats19:25:170
87655499270,22cyclictest0-21swapper/023:00:130
87656099261,21cyclictest1101886-21apt-get22:30:152
876556992621,3cyclictest1190974-21apt-get23:40:131
87655499261,22cyclictest1222998-21apt-get00:05:170
87656499252,3cyclictest938517-21apt-get20:10:153
87656099251,21cyclictest984389-21apt-get20:55:132
87655699252,20cyclictest953839-21apt-get20:25:131
87655699251,21cyclictest1121264-21apt-get22:45:121
87655699250,24cyclictest0-21swapper/123:56:351
87655699250,24cyclictest0-21swapper/123:56:351
876554992522,2cyclictest1031608-21latency_hist21:35:010
876554992521,3cyclictest245621450irq/127-enp0s29f1:rx-021:45:230
87655499251,3cyclictest948739-21apt-get20:20:140
87655499251,22cyclictest974638-21ps20:45:170
87655499251,22cyclictest1261078-21apt00:35:000
87655499251,21cyclictest999381-21diskmemload22:47:570
87655499251,21cyclictest999381-21diskmemload21:23:240
87655499251,21cyclictest0-21swapper/019:50:150
87656499242,2cyclictest918187-21apt-get19:50:153
876564992419,3cyclictest892851-21apt-get19:25:123
87656499241,3cyclictest1242368-21apt-get00:20:163
87656499241,21cyclictest999381-21diskmemload21:58:043
87656499241,20cyclictest1159240-21apt-get23:15:133
87656499241,20cyclictest0-21swapper/320:25:133
87656499241,20cyclictest0-21swapper/300:00:133
87656499241,19cyclictest994565-21apt-get21:05:153
87656499240,22cyclictest1223182-21/usr/sbin/munin00:05:193
87656099241,20cyclictest999381-21diskmemload23:55:092
87656099241,20cyclictest999381-21diskmemload23:55:092
87656099241,20cyclictest999381-21diskmemload22:20:182
87656099240,21cyclictest1248694-21taskset00:25:132
87655699240,23cyclictest1023299-21ssh21:25:321
87655499241,3cyclictest999381-21diskmemload23:41:480
87655499241,3cyclictest999381-21diskmemload21:39:270
87655499241,3cyclictest1188725-21ntp_states23:35:260
87655499241,2cyclictest999381-21diskmemload21:17:470
87655499241,2cyclictest933440-21apt-get20:05:150
87655499241,21cyclictest999381-21diskmemload23:26:390
87655499241,21cyclictest999381-21diskmemload23:23:220
87655499241,21cyclictest999381-21diskmemload22:05:210
87655499241,21cyclictest999381-21diskmemload21:53:530
87655499241,21cyclictest999381-21diskmemload00:27:170
87655499241,21cyclictest999381-21diskmemload00:03:480
87655499241,21cyclictest1108183-21apt-get22:35:150
87655499241,21cyclictest0-21swapper/019:45:170
87655499241,20cyclictest999381-21diskmemload00:24:250
87655499241,20cyclictest0-21swapper/023:50:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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