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2026-07-02 - 03:16
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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 Thu Jul 02, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6391342266201,49sleep00-21swapper/019:09:230
6389032250179,56sleep10-21swapper/119:06:571
69532121230,4sleep1251rcuc/121:19:131
179699640,3rtkit-daemon1795-21rtkit-daemon20:52:050
179699560,4rtkit-daemon1795-21rtkit-daemon21:19:520
179699560,4rtkit-daemon1795-21rtkit-daemon19:55:200
179699540,3rtkit-daemon1795-21rtkit-daemon19:33:540
179699530,4rtkit-daemon1795-21rtkit-daemon21:10:500
179699520,3rtkit-daemon1795-21rtkit-daemon20:00:340
179699520,3rtkit-daemon0-21swapper/121:54:411
179699520,3rtkit-daemon0-21swapper/121:48:401
179699510,4rtkit-daemon1795-21rtkit-daemon00:39:091
8000182500,5sleep10-21swapper/123:41:071
179699500,4rtkit-daemon1795-21rtkit-daemon22:17:261
179699500,3rtkit-daemon0-21swapper/121:44:071
179699490,4rtkit-daemon1795-21rtkit-daemon19:58:111
179699480,3rtkit-daemon1795-21rtkit-daemon20:55:191
6895892470,1sleep1689586-21grep21:10:241
179699470,4rtkit-daemon1795-21rtkit-daemon22:25:501
179699470,3rtkit-daemon1795-21rtkit-daemon00:27:191
179699460,4rtkit-daemon1795-21rtkit-daemon21:04:181
179699460,4rtkit-daemon1795-21rtkit-daemon20:17:301
179699460,3rtkit-daemon1795-21rtkit-daemon20:36:581
179699460,3rtkit-daemon0-21swapper/023:22:240
179699460,1rtkit-daemon1795-21rtkit-daemon23:09:041
179699460,19rtkit-daemon1795-21rtkit-daemon00:12:131
179699450,1rtkit-daemon1795-21rtkit-daemon23:04:411
179699440,3rtkit-daemon0-21swapper/019:19:000
179699430,1rtkit-daemon1795-21rtkit-daemon19:16:141
179699430,1rtkit-daemon1795-21rtkit-daemon00:02:491
7094942420,2sleep0688056-21diskmemload21:37:140
179699420,4rtkit-daemon1795-21rtkit-daemon20:34:010
179699420,14rtkit-daemon660067-21apt-get20:00:131
179699410,5rtkit-daemon818850-21ssh00:08:240
179699410,4rtkit-daemon1795-21rtkit-daemon22:44:240
179699410,14rtkit-daemon734314-21ssh22:10:501
179699400,1rtkit-daemon1795-21rtkit-daemon20:28:371
179699400,13rtkit-daemon0-21swapper/021:31:191
179699390,4rtkit-daemon1795-21rtkit-daemon19:52:130
179699390,3rtkit-daemon0-21swapper/123:46:010
179699390,3rtkit-daemon0-21swapper/100:11:460
179699380,3rtkit-daemon0-21swapper/100:20:200
179699380,3rtkit-daemon0-21swapper/100:19:471
179699380,1rtkit-daemon1795-21rtkit-daemon20:40:391
179699380,12rtkit-daemon0-21swapper/023:23:361
179699370,3rtkit-daemon0-21swapper/100:08:551
179699370,12rtkit-daemon0-21swapper/022:48:571
179699370,11rtkit-daemon0-21swapper/019:53:411
179699360,4rtkit-daemon721840-21ssh21:55:081
179699360,4rtkit-daemon1795-21rtkit-daemon22:02:581
179699350,12rtkit-daemon0-21swapper/019:31:451
179699330,3rtkit-daemon1795-21rtkit-daemon22:05:191
179699320,3rtkit-daemon0-21swapper/121:50:270
179699310,4rtkit-daemon1795-21rtkit-daemon22:04:110
179699310,3rtkit-daemon1795-21rtkit-daemon23:51:421
63930699301,15cyclictest688056-21diskmemload22:50:480
63930699301,14cyclictest688056-21diskmemload23:57:300
639306992925,2cyclictest8324942sleep000:29:130
63930699292,13cyclictest688056-21diskmemload22:57:020
63930699291,14cyclictest688056-21diskmemload23:25:450
179699290,4rtkit-daemon1795-21rtkit-daemon23:31:261
179699290,4rtkit-daemon1795-21rtkit-daemon21:09:391
179699290,24rtkit-daemon641393-21munin-node22:20:241
63931199280,7cyclictest0-21swapper/120:22:051
63931199280,6cyclictest0-21swapper/119:42:231
63930699281,8cyclictest688056-21diskmemload21:34:460
63930699281,14cyclictest688056-21diskmemload23:37:470
63930699281,14cyclictest688056-21diskmemload22:36:460
63930699281,13cyclictest688056-21diskmemload00:16:340
63930699279,11cyclictest654147-21apt-get19:45:140
63930699273,9cyclictest743437-21python322:25:010
63930699271,7cyclictest688056-21diskmemload23:05:330
63930699271,16cyclictest717455-21ssh21:48:460
63930699271,13cyclictest688056-21diskmemload00:04:500
63930699271,12cyclictest688056-21diskmemload23:17:100
63930699271,12cyclictest688056-21diskmemload22:49:240
179699270,4rtkit-daemon1795-21rtkit-daemon22:50:441
63931199262,16cyclictest826013-21apt-get00:20:141
639311992612,9cyclictest776369-21apt-get23:10:121
63931199260,6cyclictest0-21swapper/119:29:591
63930699261,7cyclictest688056-21diskmemload22:20:110
63930699261,6cyclictest688056-21diskmemload23:42:530
63930699261,12cyclictest688056-21diskmemload23:14:040
6837852250,21sleep0683769-21python321:00:020
63931199256,17cyclictest812527-21munin-run00:00:001
63931199251,11cyclictest831528-21kworker/u8:000:30:121
639311992510,9cyclictest747561-21apt-get22:30:131
63931199250,7cyclictest710698-21munin-run21:40:001
63930699251,7cyclictest688056-21diskmemload22:10:280
639306992510,9cyclictest831937-1kworker/u9:100:35:110
179699250,20rtkit-daemon639299-21cyclictest19:11:061
63931199249,5cyclictest0-21swapper/122:44:481
639311992421,2cyclictest66950irq/132-enp2s022:59:041
63931199240,6cyclictest0-21swapper/120:34:191
63930699243,14cyclictest650229-21apt-get19:35:140
63930699242,8cyclictest13-21ksoftirqd/022:16:270
63930699242,16cyclictest681969-21apt-get20:55:120
63930699242,15cyclictest639470-21apt-get19:10:120
63930699241,8cyclictest688056-21diskmemload21:44:110
63930699241,7cyclictest688056-21diskmemload00:30:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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