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2026-06-20 - 05:10
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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 Sat Jun 20, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31613292297262,19sleep00-21swapper/019:05:310
31619462260188,57sleep10-21swapper/119:08:591
179699600,4rtkit-daemon1795-21rtkit-daemon20:15:241
179699520,3rtkit-daemon1795-21rtkit-daemon22:37:371
179699510,4rtkit-daemon1795-21rtkit-daemon19:54:301
179699510,4rtkit-daemon1795-21rtkit-daemon00:21:411
179699500,4rtkit-daemon1795-21rtkit-daemon21:09:550
179699490,4rtkit-daemon1795-21rtkit-daemon21:06:591
179699490,3rtkit-daemon1795-21rtkit-daemon23:27:311
179699480,4rtkit-daemon1795-21rtkit-daemon21:38:201
179699460,3rtkit-daemon1795-21rtkit-daemon20:59:281
179699400,5rtkit-daemon3210851-21diskmemload22:13:151
179699400,5rtkit-daemon1795-21rtkit-daemon21:25:110
32296512390,2sleep13229653-21sh21:34:221
179699390,3rtkit-daemon1795-21rtkit-daemon22:20:100
179699370,3rtkit-daemon0-21swapper/120:35:291
179699370,3rtkit-daemon0-21swapper/100:19:331
179699360,4rtkit-daemon1795-21rtkit-daemon22:25:180
179699360,3rtkit-daemon0-21swapper/123:05:281
179699360,3rtkit-daemon0-21swapper/022:23:011
179699360,3rtkit-daemon0-21swapper/021:21:051
179699360,3rtkit-daemon0-21swapper/021:16:441
3162290993528,5cyclictest3290864-21sh22:58:480
179699350,4rtkit-daemon1795-21rtkit-daemon21:38:140
179699350,3rtkit-daemon1795-21rtkit-daemon21:21:580
179699350,3rtkit-daemon0-21swapper/022:45:321
179699350,3rtkit-daemon0-21swapper/021:13:351
179699350,3rtkit-daemon0-21swapper/020:20:271
179699350,3rtkit-daemon0-21swapper/019:11:041
179699340,4rtkit-daemon1795-21rtkit-daemon23:18:080
179699340,4rtkit-daemon1795-21rtkit-daemon22:05:200
179699340,4rtkit-daemon1795-21rtkit-daemon19:55:201
179699340,4rtkit-daemon1795-21rtkit-daemon19:47:101
179699340,3rtkit-daemon0-21swapper/019:21:051
3162290993330,2cyclictest66950irq/132-enp2s021:45:410
179699330,4rtkit-daemon1795-21rtkit-daemon22:11:570
179699330,4rtkit-daemon1795-21rtkit-daemon22:00:010
179699330,3rtkit-daemon1795-21rtkit-daemon20:13:231
179699330,3rtkit-daemon0-21swapper/123:36:530
179699330,3rtkit-daemon0-21swapper/120:27:290
179699330,3rtkit-daemon0-21swapper/100:09:230
179699330,3rtkit-daemon0-21swapper/023:51:251
179699330,3rtkit-daemon0-21swapper/019:30:111
179699330,3rtkit-daemon0-21swapper/019:18:241
179699330,3rtkit-daemon0-21swapper/000:37:481
179699320,4rtkit-daemon1795-21rtkit-daemon22:04:220
179699320,4rtkit-daemon1795-21rtkit-daemon00:00:150
179699320,3rtkit-daemon1795-21rtkit-daemon22:53:501
179699320,3rtkit-daemon0-21swapper/122:46:260
179699320,3rtkit-daemon0-21swapper/120:47:471
179699320,3rtkit-daemon0-21swapper/100:20:080
179699320,3rtkit-daemon0-21swapper/100:10:130
179699320,3rtkit-daemon0-21swapper/023:23:411
179699320,3rtkit-daemon0-21swapper/021:25:051
33037292310,4sleep10-21swapper/123:15:201
3162299993113,17cyclictest3291513-21gpgv23:00:021
179699310,4rtkit-daemon1795-21rtkit-daemon21:11:280
179699310,3rtkit-daemon1795-21rtkit-daemon00:01:521
179699310,3rtkit-daemon0-21swapper/123:14:270
179699310,3rtkit-daemon0-21swapper/120:58:180
179699310,3rtkit-daemon0-21swapper/119:22:460
179699300,4rtkit-daemon1795-21rtkit-daemon21:30:090
179699300,4rtkit-daemon1795-21rtkit-daemon00:07:091
179699300,3rtkit-daemon0-21swapper/122:35:290
179699300,3rtkit-daemon0-21swapper/122:31:180
179699300,3rtkit-daemon0-21swapper/121:02:510
179699300,3rtkit-daemon0-21swapper/119:48:010
179699300,3rtkit-daemon0-21swapper/100:18:500
179699290,4rtkit-daemon1795-21rtkit-daemon22:29:541
3162299992817,6cyclictest3195236-21cnf-update-db20:30:021
179699280,3rtkit-daemon0-21swapper/120:00:380
179699280,1rtkit-daemon1795-21rtkit-daemon19:40:211
316229999271,20cyclictest26-21ksoftirqd/120:40:141
179699270,3rtkit-daemon0-21swapper/120:37:140
179699270,3rtkit-daemon0-21swapper/120:09:410
179699270,3rtkit-daemon0-21swapper/119:57:320
179699270,22rtkit-daemon3162283-21cyclictest22:43:150
316229999268,6cyclictest3334986-21cupsd00:00:001
316229999268,3cyclictest141rcu_preempt23:49:341
316229999263,15cyclictest3193051-21apt-get20:25:141
316229999262,7cyclictest3351966-21apt-get00:25:131
316229999260,6cyclictest0-21swapper/123:30:461
316229999260,6cyclictest0-21swapper/122:05:511
316229999260,6cyclictest0-21swapper/119:25:291
316229099263,17cyclictest3331545-21apt-get23:55:140
179699260,3rtkit-daemon0-21swapper/123:43:510
179699260,20rtkit-daemon3162283-21cyclictest23:49:050
316229999253,18cyclictest3184814-21apt-get20:05:121
316229999252,16cyclictest3182869-21apt-get20:00:131
3162299992510,10cyclictest3220943-1kworker/u9:021:50:131
3162290992510,5cyclictest0-21swapper/023:31:400
3162290992510,5cyclictest0-21swapper/023:07:400
179699250,1rtkit-daemon1795-21rtkit-daemon21:17:510
179699250,1rtkit-daemon1795-21rtkit-daemon00:33:080
179699250,1rtkit-daemon1795-21rtkit-daemon00:26:290
316229999245,17cyclictest0-21swapper/123:00:211
316229999240,6cyclictest0-21swapper/121:48:541
316229999240,22cyclictest3259852-21ssh22:15:221
316229099249,5cyclictest0-21swapper/022:19:460
316229099242,17cyclictest3233803-21apt-get21:40:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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