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2026-06-30 - 15:20
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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 Tue Jun 30, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41027402270187,29sleep00-21swapper/007:06:330
41029122253187,51sleep10-21swapper/107:08:241
429262590,4sleep00-21swapper/011:05:360
410323999573,36cyclictest94902-21apt-get12:20:131
179699530,4rtkit-daemon1795-21rtkit-daemon10:36:531
410323999513,5cyclictest45058-21apt-get11:10:151
410323999512,9cyclictest52013-21apt-get11:20:141
410323999512,6cyclictest59141-21apt-get11:30:121
179699510,4rtkit-daemon1795-21rtkit-daemon07:51:421
410323999502,6cyclictest1600-21apt-get10:10:131
410323999501,6cyclictest16635-21apt-get10:30:121
179699500,4rtkit-daemon1795-21rtkit-daemon08:48:110
410323999492,7cyclictest4188320-21apt-get10:00:121
410323999492,6cyclictest105510-21apt-get12:35:131
179699490,4rtkit-daemon1795-21rtkit-daemon12:08:041
410323999482,4cyclictest4113690-21apt-get07:35:131
410323999481,10cyclictest4116492-21ntp_states07:40:221
179699480,4rtkit-daemon1795-21rtkit-daemon08:57:450
179699480,4rtkit-daemon1795-21rtkit-daemon08:22:270
179699480,4rtkit-daemon1795-21rtkit-daemon07:22:001
179699480,4rtkit-daemon1795-21rtkit-daemon07:19:031
179699480,3rtkit-daemon1795-21rtkit-daemon12:34:271
687842470,7sleep00-21swapper/011:43:180
410323999472,6cyclictest38056-21apt-get11:00:141
410323999471,5cyclictest62577-21apt-get11:35:141
410323999471,4cyclictest4170552-21apt-get09:35:131
410323999462,6cyclictest70166-21apt-get11:45:121
410323999461,6cyclictest73595-21apt-get11:50:141
179699460,4rtkit-daemon0-21swapper/012:20:520
410323999452,5cyclictest48547-21apt-get11:15:111
410323999451,8cyclictest30880-21apt-get10:50:111
410323999451,6cyclictest4163988-21ntp_states09:25:211
410323999451,6cyclictest4130964-21ntp_states08:15:211
179699450,4rtkit-daemon1795-21rtkit-daemon10:29:301
410323999442,5cyclictest66133-21apt-get11:40:141
410323999441,8cyclictest4125116-21ntp_states08:00:201
410323999434,4cyclictest4151915-21diskmemload11:57:451
410323999431,8cyclictest35904-21users10:55:261
410323999431,6cyclictest4151915-21diskmemload12:13:141
410323999431,6cyclictest41494-21apt-get11:05:141
410323999431,5cyclictest4135880-21munin-run08:30:011
410323999430,9cyclictest4111950-21diskstats07:30:151
410323999430,8cyclictest58909-21munin-run11:30:011
410323999430,8cyclictest4140763-21ntp_states08:40:221
410323999430,8cyclictest27511-21df_inode10:45:171
410323999430,8cyclictest25639-21ssh10:41:251
179699430,4rtkit-daemon1795-21rtkit-daemon07:25:201
179699430,3rtkit-daemon1795-21rtkit-daemon11:46:540
410323999421,8cyclictest91900-21memory12:15:171
410323999421,8cyclictest4167437-21memory09:30:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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