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2025-12-16 - 16:08
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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 highest latencies:
System rackcslot4.osadl.org (updated Tue Dec 16, 2025 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40652162264183,28sleep10-21swapper/107:06:501
40651582263186,27sleep00-21swapper/007:06:120
179699590,3rtkit-daemon1795-21rtkit-daemon09:14:561
40880572570,5sleep04087827-21/usr/sbin/munin08:05:160
41796112530,4sleep00-21swapper/011:50:270
179699500,4rtkit-daemon1795-21rtkit-daemon09:01:280
41074282490,3sleep00-21swapper/008:55:160
179699490,4rtkit-daemon1795-21rtkit-daemon11:47:341
179699490,4rtkit-daemon1795-21rtkit-daemon11:18:240
406564799488,8cyclictest4170476-21systemd-run11:30:000
179699480,4rtkit-daemon1795-21rtkit-daemon08:47:400
179699470,4rtkit-daemon1795-21rtkit-daemon12:09:541
179699460,3rtkit-daemon1795-21rtkit-daemon11:56:060
406564799446,11cyclictest4148195-21sh10:35:000
406564799445,11cyclictest4073161-21grep07:25:230
406564799437,9cyclictest1-21systemd07:15:020
406564799434,9cyclictest4099490-21latency_hist08:35:010
406564799429,9cyclictest4093902-21/usr/sbin/munin08:20:150
406564799429,11cyclictest4148379-21taskset10:35:130
406564799427,8cyclictest763-21dbus-daemon12:30:010
406564799426,12cyclictest4066527-21/usr/sbin/munin07:10:220
406564799426,11cyclictest4119701-21latency_hist09:25:010
179699420,3rtkit-daemon1795-21rtkit-daemon09:20:031
406564799417,11cyclictest4075344-21awk07:30:250
406564799416,12cyclictest4132325-21date09:55:010
406564799416,12cyclictest4132325-21date09:55:000
406564799415,12cyclictest41377972sleep010:05:260
406564799415,11cyclictest4133394-21grep09:55:240
406564799415,10cyclictest4171675-21wc11:30:240
406564799406,13cyclictest4106318-21/usr/sbin/munin08:50:220
406564799406,12cyclictest4158880-21ntpq11:00:200
406564799405,9cyclictest4113425-21munin-run09:10:000
406564799405,10cyclictest4127159-21grep09:40:240
406564799399,8cyclictest4122857-21switchtime09:30:240
406564799399,12cyclictest4164211-21python311:15:000
406564799399,12cyclictest4164211-21python311:15:000
406564799397,11cyclictest4134581-21cnf-update-db10:00:020
406564799396,8cyclictest763-21dbus-daemon11:05:020
406564799396,13cyclictest4114401-21/usr/sbin/munin09:10:230
4065647993910,8cyclictest4188324-21cstates12:15:160
179699390,3rtkit-daemon0-21swapper/008:20:011
406564799388,11cyclictest2972-21/usr/sbin/munin12:35:200
406564799386,13cyclictest4138631-21dpkg10:10:120
406564799386,12cyclictest4151267-21gzip10:40:230
406564799385,8cyclictest4081877-21date07:50:010
406564799385,12cyclictest4090066-21fschecks_count08:10:170
179699380,6rtkit-daemon1795-21rtkit-daemon10:35:151
41503172370,2sleep14150318-21sshd10:40:101
406564799378,12cyclictest4172987-21sed11:35:190
406564799376,15cyclictest4154778-21grep10:50:200
406564799376,12cyclictest4153049-21sh10:45:220
406564799376,10cyclictest4085956-21/usr/sbin/munin08:00:160
406564799375,11cyclictest4143716-21sed10:20:250
406564799374,11cyclictest4100634-21wc08:35:240
179699370,3rtkit-daemon0-21swapper/110:10:091
179699370,3rtkit-daemon0-21swapper/107:58:491
406564799369,6cyclictest4175335-21sh11:40:230
406564799367,12cyclictest4185042-21/usr/sbin/munin12:05:220
406564799367,10cyclictest4091962-21/usr/sbin/munin08:15:180
406564799366,13cyclictest4102532-21sed08:40:240
406564799366,13cyclictest4102532-21sed08:40:240
406564799365,15cyclictest4128969-21cat09:45:180
406564799365,13cyclictest4157955-21sh11:00:000
406564799365,11cyclictest4177622-21grep11:45:250
406564799365,10cyclictest1514-21chrt12:31:320
406564799364,12cyclictest4124220-21cpu09:35:150
4065647993624,6cyclictest4077852-21package-data-do07:39:470
179699360,8rtkit-daemon4091690-21cut08:15:001
406564799358,9cyclictest4121541-21runrttasks09:29:200
406564799357,10cyclictest4096377-21grep08:25:220
406564799356,10cyclictest4140818-21grep10:15:170
4065647993510,9cyclictest4115932-21taskset09:15:050
179699350,3rtkit-daemon0-21swapper/110:00:311
179699350,3rtkit-daemon0-21swapper/109:46:231
179699350,3rtkit-daemon0-21swapper/012:02:480
406564799345,12cyclictest4071997-21idleruntime-cro07:25:000
179699340,3rtkit-daemon1795-21rtkit-daemon07:40:111
179699340,3rtkit-daemon0-21swapper/108:36:111
179699340,3rtkit-daemon0-21swapper/010:27:501
406564799336,11cyclictest4167203-21hostname11:20:190
406564799335,17cyclictest4191520-21seq12:21:100
406564799335,13cyclictest4079470-21seq07:41:040
179699330,3rtkit-daemon1795-21rtkit-daemon09:50:141
179699330,3rtkit-daemon1795-21rtkit-daemon09:50:131
4065650993215,11cyclictest4126139-21apt-get09:40:151
406564799327,10cyclictest4083239-21grep07:50:250
406564799325,10cyclictest4085203-21awk07:55:240
179699320,4rtkit-daemon1795-21rtkit-daemon07:23:411
179699320,3rtkit-daemon0-21swapper/010:54:421
4065650993128,2cyclictest66950irq/132-enp2s008:49:441
406564799316,9cyclictest4145423-21sendmail_mailqu10:25:240
179699310,4rtkit-daemon0-21swapper/008:51:181
179699310,3rtkit-daemon0-21swapper/011:56:551
179699310,3rtkit-daemon0-21swapper/011:08:131
406564799304,10cyclictest4186681-21hwlatdetect12:10:180
179699300,4rtkit-daemon1795-21rtkit-daemon12:35:331
179699300,4rtkit-daemon1795-21rtkit-daemon12:10:491
179699300,3rtkit-daemon0-21swapper/009:31:521
179699290,3rtkit-daemon0-21swapper/011:02:021
406565099281,21cyclictest4111610-21apt-get09:05:151
406565099280,18cyclictest0-21swapper/111:25:001
179699280,4rtkit-daemon1795-21rtkit-daemon08:34:571
179699280,4rtkit-daemon0-21swapper/011:34:171
179699280,3rtkit-daemon0-21swapper/011:17:351
179699280,3rtkit-daemon0-21swapper/007:26:141
4065650992711,10cyclictest4152283-21apt-get10:45:151
179699270,3rtkit-daemon1795-21rtkit-daemon12:31:041
179699270,3rtkit-daemon1795-21rtkit-daemon12:24:181
4065650992611,9cyclictest4068289-21apt-get07:15:141
406565099260,6cyclictest0-21swapper/110:56:491
406565099260,23cyclictest4125113-21/usr/sbin/munin09:35:241
179699260,1rtkit-daemon1795-21rtkit-daemon09:28:461
406565099251,6cyclictest4172908-21fschecks_time11:35:181
406565099251,19cyclictest4095647-21apt-get08:25:141
406565099250,6cyclictest0-21swapper/109:58:061
179699250,3rtkit-daemon0-21swapper/012:03:401
406565099240,6cyclictest0-21swapper/108:44:401
406565099240,6cyclictest0-21swapper/108:44:391
406565099240,6cyclictest0-21swapper/107:46:351
179699240,4rtkit-daemon1795-21rtkit-daemon10:30:451
179699240,18rtkit-daemon1795-21rtkit-daemon11:27:531
406565099232,15cyclictest4087845-21apt-get08:05:141
406565099230,6cyclictest0-21swapper/107:39:051
406565099222,14cyclictest4136689-21apt-get10:05:141
406565099222,14cyclictest4065769-21apt-get07:10:161
179699220,1rtkit-daemon1795-21rtkit-daemon07:51:151
179699220,17rtkit-daemon1795-21rtkit-daemon09:01:481
179699220,17rtkit-daemon1795-21rtkit-daemon08:57:231
406565099216,13cyclictest4192919-21sed12:25:231
406565099213,11cyclictest4142545-21apt-get10:20:151
406565099212,13cyclictest4174562-21apt-get11:40:151
4065650992116,4cyclictest26-21ksoftirqd/109:20:001
179699210,1rtkit-daemon1795-21rtkit-daemon12:17:261
406565099202,12cyclictest4178450-21apt-get11:50:151
406565099201,13cyclictest4093700-21apt-get08:20:141
406565099201,13cyclictest4085906-21apt-get08:00:141
4065650991912,5cyclictest26-21ksoftirqd/107:34:591
406565099190,5cyclictest0-21swapper/110:16:281
406565099189,7cyclictest1-21systemd11:15:011
406565099189,7cyclictest1-21systemd11:15:011
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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