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2026-04-30 - 01:43
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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 50 highest latencies:
System rackcslot4.osadl.org (updated Wed Apr 29, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16060982267184,29sleep00-21swapper/007:07:060
16063472261185,61sleep10-21swapper/107:09:461
17058092770,1chrt1705808-21/usr/sbin/munin10:15:221
179699680,9rtkit-daemon1676100-21sed09:35:241
16964752580,4sleep10-21swapper/110:03:201
179699530,3rtkit-daemon1795-21rtkit-daemon09:15:551
179699500,2rtkit-daemon1795-21rtkit-daemon11:26:561
179699490,4rtkit-daemon1795-21rtkit-daemon10:59:301
179699470,3rtkit-daemon1795-21rtkit-daemon09:07:551
16384092440,2sleep01638407-21awk08:25:220
179699430,3rtkit-daemon1795-21rtkit-daemon08:37:271
179699420,5rtkit-daemon1654955-21diskmemload10:48:550
17867262420,2sleep00-21swapper/012:02:220
160650799408,7cyclictest1773051-21munin-run11:45:010
179699380,3rtkit-daemon0-21swapper/109:22:441
179699370,3rtkit-daemon0-21swapper/009:34:010
179699360,3rtkit-daemon1795-21rtkit-daemon11:30:231
179699360,3rtkit-daemon0-21swapper/108:19:381
179699360,3rtkit-daemon0-21swapper/009:27:370
179699350,5rtkit-daemon1799080-21cron12:24:540
179699350,4rtkit-daemon1795-21rtkit-daemon11:17:171
179699350,3rtkit-daemon0-21swapper/111:55:321
179699350,3rtkit-daemon0-21swapper/111:02:501
179699350,3rtkit-daemon0-21swapper/110:51:311
179699350,3rtkit-daemon0-21swapper/107:49:381
179699350,3rtkit-daemon0-21swapper/012:10:411
179699350,3rtkit-daemon0-21swapper/007:12:110
179699340,6rtkit-daemon1769261-21ssh11:39:560
179699340,3rtkit-daemon0-21swapper/012:06:000
160650799346,6cyclictest13-21ksoftirqd/008:10:000
179699330,4rtkit-daemon1795-21rtkit-daemon10:44:440
179699330,3rtkit-daemon0-21swapper/109:03:380
179699330,3rtkit-daemon0-21swapper/108:05:071
179699330,3rtkit-daemon0-21swapper/108:02:081
179699330,3rtkit-daemon0-21swapper/007:34:241
179699330,2rtkit-daemon1795-21rtkit-daemon11:40:031
179699320,3rtkit-daemon1795-21rtkit-daemon12:20:041
179699320,3rtkit-daemon1795-21rtkit-daemon11:47:291
179699320,3rtkit-daemon0-21swapper/110:57:500
179699320,3rtkit-daemon0-21swapper/110:09:550
179699320,3rtkit-daemon0-21swapper/109:15:260
179699320,3rtkit-daemon0-21swapper/107:42:230
179699320,3rtkit-daemon0-21swapper/012:16:561
1606509993229,2cyclictest66950irq/132-enp2s011:05:411
160650799327,6cyclictest13-21ksoftirqd/007:50:220
1606507993211,4cyclictest13-21ksoftirqd/009:47:430
1606507993211,3cyclictest13-21ksoftirqd/009:05:050
179699310,3rtkit-daemon1795-21rtkit-daemon11:53:381
179699310,3rtkit-daemon1795-21rtkit-daemon09:49:561
179699310,3rtkit-daemon0-21swapper/110:53:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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