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2026-06-30 - 23:07
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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 100 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
410323999421,6cyclictest4151915-21diskmemload12:00:341
410323999421,6cyclictest4151915-21diskmemload09:17:141
410323999421,5cyclictest4151915-21diskmemload09:40:121
410323999421,10cyclictest9340-21df_inode10:20:151
410323999420,9cyclictest4150945-21ntp_states09:05:241
410323999420,9cyclictest4146770-21irqstats08:55:211
410323999412,7cyclictest4151915-21diskmemload09:50:351
410323999412,5cyclictest98387-21apt-get12:25:151
410323999411,8cyclictest4151915-21diskmemload09:10:021
410323999411,7cyclictest4122894-21irqstats07:55:191
410323999411,10cyclictest4129020-21ntp_states08:10:201
410323999410,9cyclictest4145079-21ntp_states08:50:221
410323999410,8cyclictest4132939-21ntp_states08:20:211
410323999410,10cyclictest5484-21apt-get10:15:131
410323999401,6cyclictest4151915-21diskmemload09:56:321
410323999391,5cyclictest4151915-21diskmemload10:07:371
410323999390,10cyclictest4103341-21apt-get07:10:101
179699380,3rtkit-daemon0-21swapper/010:48:080
179699380,3rtkit-daemon0-21swapper/009:59:150
179699370,3rtkit-daemon0-21swapper/109:47:071
179699370,3rtkit-daemon0-21swapper/107:48:291
179699360,3rtkit-daemon1795-21rtkit-daemon08:45:241
179699360,3rtkit-daemon0-21swapper/108:38:581
179699360,3rtkit-daemon0-21swapper/108:34:201
179699360,3rtkit-daemon0-21swapper/108:08:041
179699360,2rtkit-daemon1795-21rtkit-daemon07:15:020
410323999353,24cyclictest4159735-21apt-get09:20:121
179699350,4rtkit-daemon1795-21rtkit-daemon12:15:590
179699350,3rtkit-daemon0-21swapper/009:04:001
179699340,3rtkit-daemon1795-21rtkit-daemon09:12:490
179699330,4rtkit-daemon1795-21rtkit-daemon12:14:130
179699330,3rtkit-daemon0-21swapper/112:27:430
179699330,3rtkit-daemon0-21swapper/108:17:330
179699320,3rtkit-daemon0-21swapper/111:22:560
179699320,3rtkit-daemon0-21swapper/111:04:040
179699320,3rtkit-daemon0-21swapper/107:58:540
179699320,3rtkit-daemon0-21swapper/107:54:410
179699310,4rtkit-daemon1795-21rtkit-daemon09:30:010
179699310,3rtkit-daemon1795-21rtkit-daemon09:07:310
179699300,4rtkit-daemon1795-21rtkit-daemon12:31:440
179699300,4rtkit-daemon1795-21rtkit-daemon09:02:030
179699300,4rtkit-daemon107335-21ssh12:36:360
179699300,4rtkit-daemon0-21swapper/111:39:550
179699300,3rtkit-daemon0-21swapper/107:27:190
179699300,3rtkit-daemon0-21swapper/107:20:350
410323499293,7cyclictest6355-21pmu-power10:15:250
4103234992910,4cyclictest13-21ksoftirqd/010:53:450
179699290,3rtkit-daemon1795-21rtkit-daemon08:36:210
179699290,3rtkit-daemon0-21swapper/109:48:250
179699290,3rtkit-daemon0-21swapper/109:22:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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