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2026-04-27 - 00:12
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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 100 highest latencies:
System rackcslot4.osadl.org (updated Sun Apr 26, 2026 12:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
912112262192,26sleep10-21swapper/107:07:481
911452260183,27sleep00-21swapper/007:07:060
2334512620,2sleep0233452-21sensors11:10:230
179699560,4rtkit-daemon1795-21rtkit-daemon11:35:140
179699530,4rtkit-daemon1795-21rtkit-daemon10:08:580
179699530,4rtkit-daemon1795-21rtkit-daemon10:08:580
179699530,4rtkit-daemon1795-21rtkit-daemon09:20:061
2767952520,4sleep10-21swapper/112:08:221
179699520,3rtkit-daemon1795-21rtkit-daemon12:15:220
179699510,4rtkit-daemon1795-21rtkit-daemon12:13:500
179699510,4rtkit-daemon1795-21rtkit-daemon11:17:301
1527462510,1chrt152202-21/usr/sbin/munin09:25:181
179699500,4rtkit-daemon1795-21rtkit-daemon08:41:151
179699500,3rtkit-daemon1795-21rtkit-daemon10:20:280
179699430,3rtkit-daemon1795-21rtkit-daemon12:25:101
179699420,4rtkit-daemon1795-21rtkit-daemon10:40:221
179699390,4rtkit-daemon139881-21diskmemload10:12:070
179699390,3rtkit-daemon0-21swapper/109:37:011
179699380,3rtkit-daemon0-21swapper/110:28:451
9154899370,35cyclictest0-21swapper/109:15:261
1901022370,20sleep126-21ksoftirqd/110:15:001
179699370,3rtkit-daemon0-21swapper/109:31:401
179699370,3rtkit-daemon0-21swapper/108:37:240
179699360,3rtkit-daemon0-21swapper/110:46:441
179699360,3rtkit-daemon0-21swapper/011:53:490
1150322360,2chrt0-21swapper/108:05:231
179699350,3rtkit-daemon0-21swapper/107:47:361
179699350,3rtkit-daemon0-21swapper/009:55:490
91544993431,2cyclictest125505-21kworker/0:209:00:150
179699340,4rtkit-daemon1795-21rtkit-daemon11:08:251
179699340,4rtkit-daemon1795-21rtkit-daemon10:19:240
179699340,3rtkit-daemon1795-21rtkit-daemon11:31:240
179699340,3rtkit-daemon0-21swapper/108:44:170
91544993311,4cyclictest13-21ksoftirqd/010:45:080
179699330,5rtkit-daemon207392-21ssh10:36:191
179699330,3rtkit-daemon1795-21rtkit-daemon12:38:300
179699330,3rtkit-daemon1795-21rtkit-daemon12:21:271
179699330,3rtkit-daemon0-21swapper/111:25:400
179699330,3rtkit-daemon0-21swapper/007:16:030
179699320,4rtkit-daemon1795-21rtkit-daemon08:10:421
179699320,3rtkit-daemon1795-21rtkit-daemon07:13:010
179699320,3rtkit-daemon0-21swapper/111:01:040
179699320,3rtkit-daemon0-21swapper/108:33:120
9154899310,2cyclictest271401-21ls12:00:251
179699310,3rtkit-daemon1795-21rtkit-daemon12:30:101
179699310,3rtkit-daemon0-21swapper/112:21:150
1666732310,4chrt0-21swapper/109:43:381
91548993027,2cyclictest66950irq/132-enp2s011:00:421
9154499309,7cyclictest289569-21apt-get12:25:130
9154499301,3cyclictest141rcu_preempt10:45:000
179699300,4rtkit-daemon1795-21rtkit-daemon08:51:571
179699300,3rtkit-daemon1795-21rtkit-daemon10:52:001
179699300,3rtkit-daemon0-21swapper/108:10:270
179699300,3rtkit-daemon0-21swapper/010:15:301
179699300,3rtkit-daemon0-21swapper/010:02:271
9154499298,6cyclictest13-21ksoftirqd/009:40:060
91544992923,4cyclictest161rcuc/009:20:010
179699290,4rtkit-daemon1795-21rtkit-daemon12:31:580
179699290,3rtkit-daemon1795-21rtkit-daemon09:06:031
179699290,3rtkit-daemon1795-21rtkit-daemon08:49:291
179699290,3rtkit-daemon0-21swapper/010:06:511
179699290,3rtkit-daemon0-21swapper/010:06:501
179699290,3rtkit-daemon0-21swapper/007:16:181
9154499287,4cyclictest13-21ksoftirqd/010:55:140
179699280,3rtkit-daemon0-21swapper/012:13:441
91548992724,2cyclictest66950irq/132-enp2s010:57:201
91548992716,10cyclictest26-21ksoftirqd/109:15:011
91548992712,10cyclictest135767-21apt-get09:00:111
9154499279,3cyclictest13-21ksoftirqd/011:42:030
9154499277,4cyclictest13-21ksoftirqd/012:05:140
9154499276,7cyclictest171849-21diskstats09:50:160
91544992710,4cyclictest13-21ksoftirqd/011:18:570
179699270,3rtkit-daemon0-21swapper/011:36:261
179699270,3rtkit-daemon0-21swapper/007:14:531
179699270,1rtkit-daemon1795-21rtkit-daemon09:50:471
179699270,1rtkit-daemon1795-21rtkit-daemon07:20:130
9154899267,12cyclictest167672-21apt-get09:45:151
91548992612,9cyclictest112307-21apt-get08:00:121
91548992611,9cyclictest66950irq/132-enp2s012:15:141
9154899260,6cyclictest0-21swapper/111:25:561
9154499268,4cyclictest13-21ksoftirqd/010:50:080
9154499265,14cyclictest205664-21apt-get10:35:130
9154499262,4cyclictest13-21ksoftirqd/010:30:180
179699260,3rtkit-daemon0-21swapper/011:46:051
1306592260,4sleep00-21swapper/008:45:210
9154899252,15cyclictest108390-21apt-get07:50:131
91548992512,8cyclictest240014-21apt-get11:20:141
91548992510,9cyclictest110337-21apt-get07:55:151
9154899250,6cyclictest0-21swapper/108:29:171
9154899250,6cyclictest0-21swapper/108:20:551
9154499258,8cyclictest13-21ksoftirqd/009:46:330
9154499258,4cyclictest13-21ksoftirqd/009:21:280
9154499252,15cyclictest152223-21apt-get09:25:120
179699250,4rtkit-daemon1795-21rtkit-daemon08:01:260
179699250,3rtkit-daemon0-21swapper/011:50:461
179699250,3rtkit-daemon0-21swapper/010:23:531
179699250,20rtkit-daemon91539-21cyclictest11:33:471
179699250,1rtkit-daemon1795-21rtkit-daemon08:55:411
179699250,1rtkit-daemon1795-21rtkit-daemon08:55:411
9154899244,8cyclictest850-21runrttasks11:56:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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