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2026-06-04 - 22:18
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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 Jun 04, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24552902317275,27sleep00-21swapper/007:07:510
24553072273228,29sleep10-21swapper/107:08:031
24747242700,3chrt0-21swapper/007:55:150
25447852680,3sleep00-21swapper/010:02:290
26150032640,20sleep10-21swapper/111:37:451
179699570,6rtkit-daemon1795-21rtkit-daemon08:00:151
179699520,4rtkit-daemon1795-21rtkit-daemon11:53:201
179699510,4rtkit-daemon1795-21rtkit-daemon09:32:240
179699510,3rtkit-daemon1795-21rtkit-daemon09:25:200
179699490,3rtkit-daemon1795-21rtkit-daemon08:09:391
179699490,3rtkit-daemon1795-21rtkit-daemon07:49:421
179699490,3rtkit-daemon1795-21rtkit-daemon07:16:431
179699480,3rtkit-daemon1795-21rtkit-daemon08:11:431
179699480,3rtkit-daemon1795-21rtkit-daemon07:44:551
179699480,21rtkit-daemon1795-21rtkit-daemon09:01:380
179699470,4rtkit-daemon1795-21rtkit-daemon11:43:001
179699470,4rtkit-daemon1795-21rtkit-daemon11:00:491
179699470,3rtkit-daemon1795-21rtkit-daemon11:45:081
179699470,3rtkit-daemon1795-21rtkit-daemon08:56:251
179699470,3rtkit-daemon1795-21rtkit-daemon07:14:551
25294272430,7sleep0161rcuc/009:41:130
179699430,5rtkit-daemon2531689-21diskstats09:45:161
26483982410,1sleep00-21swapper/012:21:240
179699380,6rtkit-daemon2557943-21taskset10:20:051
179699380,3rtkit-daemon0-21swapper/109:03:031
179699370,3rtkit-daemon0-21swapper/110:52:401
2455645993632,2cyclictest2632089-21ssh12:00:181
179699360,3rtkit-daemon0-21swapper/110:33:001
179699360,3rtkit-daemon0-21swapper/109:06:131
179699360,3rtkit-daemon0-21swapper/108:41:281
179699360,3rtkit-daemon0-21swapper/011:26:400
179699360,3rtkit-daemon0-21swapper/008:34:571
2455641993521,2cyclictest2659137-21ssh12:35:210
179699350,5rtkit-daemon2619926-21munin-run11:45:000
179699350,4rtkit-daemon1795-21rtkit-daemon09:44:461
179699350,3rtkit-daemon1795-21rtkit-daemon12:09:571
179699350,3rtkit-daemon1795-21rtkit-daemon10:40:040
179699350,3rtkit-daemon1795-21rtkit-daemon10:10:100
179699350,3rtkit-daemon1795-21rtkit-daemon10:10:100
179699350,3rtkit-daemon0-21swapper/110:37:110
179699350,3rtkit-daemon0-21swapper/108:23:541
179699350,3rtkit-daemon0-21swapper/108:23:531
179699350,3rtkit-daemon0-21swapper/108:18:351
179699350,3rtkit-daemon0-21swapper/012:00:280
179699350,3rtkit-daemon0-21swapper/009:18:110
25843832340,1sleep10-21swapper/110:55:231
179699340,4rtkit-daemon1795-21rtkit-daemon11:38:360
179699340,4rtkit-daemon1795-21rtkit-daemon11:09:571
179699340,4rtkit-daemon1795-21rtkit-daemon10:28:261
179699340,4rtkit-daemon1795-21rtkit-daemon10:10:041
179699340,4rtkit-daemon1795-21rtkit-daemon10:10:041
179699340,4rtkit-daemon1795-21rtkit-daemon08:48:581
179699340,3rtkit-daemon1795-21rtkit-daemon12:12:511
179699340,3rtkit-daemon1795-21rtkit-daemon09:36:200
179699340,3rtkit-daemon0-21swapper/111:03:290
179699340,3rtkit-daemon0-21swapper/107:56:241
179699340,3rtkit-daemon0-21swapper/107:54:300
179699340,3rtkit-daemon0-21swapper/107:48:450
179699340,3rtkit-daemon0-21swapper/011:57:440
179699340,3rtkit-daemon0-21swapper/009:20:270
179699340,3rtkit-daemon0-21swapper/007:29:131
179699340,2rtkit-daemon0-21swapper/110:47:541
179699330,4rtkit-daemon1795-21rtkit-daemon12:16:471
179699330,4rtkit-daemon1795-21rtkit-daemon07:31:130
179699330,3rtkit-daemon1795-21rtkit-daemon10:36:561
179699330,3rtkit-daemon0-21swapper/110:53:570
179699330,3rtkit-daemon0-21swapper/012:34:001
2455641993213,6cyclictest13-21ksoftirqd/012:10:140
179699320,4rtkit-daemon1795-21rtkit-daemon11:31:401
179699320,4rtkit-daemon1795-21rtkit-daemon08:50:071
179699320,3rtkit-daemon1795-21rtkit-daemon08:40:470
179699320,3rtkit-daemon0-21swapper/110:28:410
179699320,3rtkit-daemon0-21swapper/109:51:260
179699320,3rtkit-daemon0-21swapper/011:25:351
179699320,3rtkit-daemon0-21swapper/009:27:131
2455641993110,4cyclictest13-21ksoftirqd/012:15:100
179699310,4rtkit-daemon1795-21rtkit-daemon08:25:481
179699310,3rtkit-daemon0-21swapper/108:12:400
179699310,3rtkit-daemon0-21swapper/107:39:180
179699310,3rtkit-daemon0-21swapper/008:35:521
2455641993011,5cyclictest13-21ksoftirqd/011:20:130
179699300,4rtkit-daemon1795-21rtkit-daemon11:10:531
179699300,3rtkit-daemon1795-21rtkit-daemon08:31:380
179699300,3rtkit-daemon0-21swapper/111:54:190
179699300,3rtkit-daemon0-21swapper/011:22:301
25098932290,4sleep12509884-21ntp_states09:15:211
24846382290,4chrt2484493-21latency_hist08:20:000
2455645992915,3cyclictest2628566-21awk11:55:221
245564199299,5cyclictest13-21ksoftirqd/010:05:070
2455641992916,4cyclictest13-21ksoftirqd/012:35:010
179699290,4rtkit-daemon892-21thermald10:07:041
179699290,3rtkit-daemon1795-21rtkit-daemon10:03:111
179699290,3rtkit-daemon1795-21rtkit-daemon08:21:050
179699290,3rtkit-daemon1795-21rtkit-daemon08:21:050
179699290,3rtkit-daemon0-21swapper/107:41:210
179699290,3rtkit-daemon0-21swapper/009:57:211
245564199289,3cyclictest850-21runrttasks11:31:130
245564199288,4cyclictest13-21ksoftirqd/011:19:280
245564199287,4cyclictest13-21ksoftirqd/010:47:570
2455641992823,3cyclictest13-21ksoftirqd/010:55:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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