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2026-03-15 - 17:03
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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 Sun Mar 15, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14570252269188,28sleep00-21swapper/007:09:140
14570022245205,27sleep10-21swapper/107:09:001
179699690,6rtkit-daemon1795-21rtkit-daemon12:05:130
179699570,3rtkit-daemon1795-21rtkit-daemon09:12:030
15279132570,3sleep01527915-21sendmail09:40:000
179699560,3rtkit-daemon0-21swapper/112:33:101
179699560,3rtkit-daemon0-21swapper/107:20:091
179699550,3rtkit-daemon0-21swapper/112:35:151
179699550,3rtkit-daemon0-21swapper/108:23:581
179699540,3rtkit-daemon1795-21rtkit-daemon07:55:281
179699540,3rtkit-daemon0-21swapper/109:36:411
179699540,3rtkit-daemon0-21swapper/108:35:191
179699540,3rtkit-daemon0-21swapper/107:42:141
179699530,4rtkit-daemon1795-21rtkit-daemon10:05:181
179699530,3rtkit-daemon0-21swapper/111:18:151
179699530,3rtkit-daemon0-21swapper/109:57:381
179699530,3rtkit-daemon0-21swapper/109:54:081
179699530,3rtkit-daemon0-21swapper/108:19:461
179699530,3rtkit-daemon0-21swapper/107:35:261
179699520,4rtkit-daemon1795-21rtkit-daemon11:47:211
179699520,4rtkit-daemon0-21swapper/108:25:031
179699520,3rtkit-daemon0-21swapper/111:14:341
179699520,3rtkit-daemon0-21swapper/111:04:071
179699520,3rtkit-daemon0-21swapper/109:46:381
179699520,3rtkit-daemon0-21swapper/109:43:551
179699520,3rtkit-daemon0-21swapper/107:32:591
15456322520,2sleep00-21swapper/010:04:340
179699510,4rtkit-daemon1795-21rtkit-daemon08:53:321
179699510,4rtkit-daemon1590429-21ssh11:06:401
179699510,3rtkit-daemon1795-21rtkit-daemon10:27:381
179699510,3rtkit-daemon1795-21rtkit-daemon10:14:021
179699500,4rtkit-daemon1795-21rtkit-daemon08:00:091
179699500,3rtkit-daemon1795-21rtkit-daemon11:38:141
179699500,3rtkit-daemon1795-21rtkit-daemon10:45:171
179699500,3rtkit-daemon1795-21rtkit-daemon08:05:311
179699500,3rtkit-daemon0-21swapper/108:49:141
179699500,3rtkit-daemon0-21swapper/108:30:371
16495852500,2sleep01649583-21df12:30:150
179699490,3rtkit-daemon1795-21rtkit-daemon10:20:101
179699490,3rtkit-daemon1795-21rtkit-daemon07:14:221
179699490,21rtkit-daemon1457203-21cyclictest09:17:591
179699480,4rtkit-daemon1795-21rtkit-daemon10:53:011
179699480,3rtkit-daemon1795-21rtkit-daemon12:24:471
179699470,3rtkit-daemon1795-21rtkit-daemon12:26:061
179699470,3rtkit-daemon1795-21rtkit-daemon12:26:061
179699460,3rtkit-daemon1795-21rtkit-daemon11:51:571
179699460,3rtkit-daemon1795-21rtkit-daemon09:11:411
179699450,6rtkit-daemon1518034-21memory09:25:260
179699440,6rtkit-daemon0-21swapper/108:39:070
179699430,4rtkit-daemon1795-21rtkit-daemon12:00:290
179699430,3rtkit-daemon0-21swapper/009:03:120
179699430,1rtkit-daemon1795-21rtkit-daemon10:00:421
179699420,14rtkit-daemon0-21swapper/011:24:181
179699410,1rtkit-daemon1795-21rtkit-daemon09:09:101
179699410,14rtkit-daemon0-21swapper/010:15:211
179699400,4rtkit-daemon1465498-21grep07:25:250
179699400,1rtkit-daemon1795-21rtkit-daemon07:54:251
179699380,5rtkit-daemon1541313-21ssh09:58:080
179699380,3rtkit-daemon0-21swapper/109:48:110
179699370,3rtkit-daemon0-21swapper/111:15:480
179699370,3rtkit-daemon0-21swapper/109:19:250
179699370,11rtkit-daemon0-21swapper/010:36:041
179699360,3rtkit-daemon0-21swapper/109:23:341
179699360,3rtkit-daemon0-21swapper/108:49:270
179699360,3rtkit-daemon0-21swapper/107:34:430
179699350,4rtkit-daemon1795-21rtkit-daemon07:26:191
179699330,3rtkit-daemon0-21swapper/108:12:561
179699320,3rtkit-daemon0-21swapper/109:23:470
179699310,4rtkit-daemon1795-21rtkit-daemon07:19:441
1457217993115,9cyclictest1602717-21apt-get11:25:151
145721799301,23cyclictest1517350-21apt-get09:25:161
145721199308,8cyclictest1536222-21ssh09:50:190
145721199301,15cyclictest1505698-21diskmemload12:13:310
145721199301,15cyclictest1505698-21diskmemload11:38:300
145721199291,14cyclictest1505698-21diskmemload11:56:020
145721199291,14cyclictest1505698-21diskmemload11:54:120
145721199291,14cyclictest1505698-21diskmemload10:55:570
145721199291,14cyclictest1505698-21diskmemload10:36:110
145721199281,14cyclictest1505698-21diskmemload10:21:230
145721199281,13cyclictest1505698-21diskmemload10:09:310
145721799277,13cyclictest1520940-21apt-get09:30:131
145721199275,8cyclictest13-21ksoftirqd/011:04:020
145721199271,8cyclictest1505698-21diskmemload10:45:210
145721199271,13cyclictest1505698-21diskmemload09:31:000
1457217992623,2cyclictest66950irq/132-enp2s010:56:371
145721799260,6cyclictest0-21swapper/108:42:171
145721199265,8cyclictest13-21ksoftirqd/011:23:450
145721199261,7cyclictest1505698-21diskmemload11:44:040
145721199260,6cyclictest0-21swapper/010:28:440
1457217992512,9cyclictest1638415-21apt-get12:15:131
145721199251,7cyclictest1505698-21diskmemload10:10:210
145721199251,6cyclictest1505698-21diskmemload12:15:130
145721199250,6cyclictest1593709-21ssh11:10:450
145721199250,5cyclictest0-21swapper/008:12:200
1457217992415,5cyclictest1606811-40apt-check11:30:171
145721199248,4cyclictest141rcu_preempt10:30:200
179699230,4rtkit-daemon1795-21rtkit-daemon08:18:470
145721799238,9cyclictest1619067-1kworker/u9:212:05:111
145721799232,12cyclictest1570974-21apt-get10:40:121
145721799232,12cyclictest1570974-21apt-get10:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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