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2026-06-04 - 01:12
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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
Characteristics of the 50 highest latencies:
System rackcslot4.osadl.org (updated Wed Jun 03, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33672732280240,27sleep10-21swapper/107:05:531
33673962270190,44sleep00-21swapper/007:07:130
179699790,4rtkit-daemon1795-21rtkit-daemon11:07:131
336790599743,49cyclictest3535983-21apt-get11:50:130
34637142610,3sleep0161rcuc/010:12:500
336790599603,6cyclictest3561566-21apt-get12:25:140
336790599582,6cyclictest3404191-21apt-get08:40:110
336790599582,6cyclictest3382675-21apt-get07:45:140
35550032570,1sleep13555004-21sh12:15:221
336790599562,6cyclictest3412422-21apt-get09:00:120
336790599562,5cyclictest3408501-21apt-get08:50:150
3367905995610,4cyclictest3543300-21apt-get12:00:120
336790599552,6cyclictest3516878-21apt-get11:25:140
336790599551,6cyclictest3442846-21apt-get09:45:110
336790599541,5cyclictest3513221-21apt-get11:20:110
336790599533,8cyclictest3427706-21apt-get09:25:130
336790599532,5cyclictest3468877-21apt-get10:20:120
179699530,3rtkit-daemon1795-21rtkit-daemon11:04:281
336790599522,6cyclictest3446699-21apt-get09:50:130
336790599522,5cyclictest3490988-21appstreamcli10:50:030
336790599521,8cyclictest3474498-21ssh10:27:080
336790599512,5cyclictest3550626-21apt-get12:10:150
336790599512,5cyclictest3420325-21apt-get09:15:140
336790599511,3cyclictest3378697-21apt-get07:35:120
179699510,4rtkit-daemon1795-21rtkit-daemon12:01:181
179699510,4rtkit-daemon1795-21rtkit-daemon07:44:541
336790599502,5cyclictest3546939-21apt-get12:05:110
336790599501,9cyclictest3416386-21apt-get09:10:100
336790599501,7cyclictest3528284-21apt-get11:40:130
336790599501,6cyclictest3416120-21diskmemload10:30:230
336790599501,4cyclictest3483432-21apt-get10:40:140
179699500,4rtkit-daemon1795-21rtkit-daemon07:55:061
336790599492,7cyclictest3437288-21lsb_release09:36:400
336790599492,6cyclictest3431578-21apt-get09:30:110
336790599492,6cyclictest3416120-21diskmemload11:00:230
336790599492,5cyclictest3494952-21apt-get10:55:120
336790599492,5cyclictest3454116-21apt-get10:00:120
336790599492,4cyclictest3424161-21apt-get09:20:120
336790599492,4cyclictest3392445-21apt-get08:10:130
336790599491,9cyclictest3464981-21apt-get10:15:110
179699490,3rtkit-daemon1795-21rtkit-daemon09:56:091
336790599481,9cyclictest3539718-21apt-get11:55:110
336790599481,7cyclictest3556826-21ssh12:18:210
336790599481,6cyclictest3450487-21apt-get09:55:120
336790599480,7cyclictest3506725-21ntpq11:10:210
336790599472,6cyclictest3376746-21apt-get07:30:150
336790599461,6cyclictest3416120-21diskmemload09:43:340
336790599460,9cyclictest3384625-21apt-get07:50:110
336790599452,5cyclictest3416120-21diskmemload10:45:540
336790599451,9cyclictest3402823-21memory08:35:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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