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2023-12-11 - 00:02
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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 rack6slot7.osadl.org (updated Sun Dec 10, 2023 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89292830,1sleep00-21swapper/010:09:000
3098996761,5cyclictest0-21swapper/111:38:511
3098996760,5cyclictest16937-21ssh12:18:491
309899673,62cyclictest21761-21diskmemload09:25:511
3098996661,4cyclictest0-21swapper/112:03:491
3098996661,4cyclictest0-21swapper/110:18:511
3098996660,5cyclictest0-21swapper/108:32:501
309899664,60cyclictest1289-21NetworkManager12:08:521
309899664,60cyclictest1289-21NetworkManager07:54:521
309899664,60cyclictest1279-21dbus-daemon10:32:521
309899664,60cyclictest1279-21dbus-daemon09:20:521
309899663,61cyclictest0-21swapper/111:56:511
3097996661,4cyclictest0-21swapper/012:01:500
3097996660,4cyclictest1706-21runrttasks07:58:520
3097996623,41cyclictest2959-21kworker/0:009:29:510
3098996561,3cyclictest0-21swapper/111:30:491
3098996561,3cyclictest0-21swapper/111:02:511
3098996561,3cyclictest0-21swapper/110:54:501
3098996561,3cyclictest0-21swapper/110:48:491
3098996561,3cyclictest0-21swapper/110:22:511
3098996560,4cyclictest0-21swapper/111:32:481
3098996559,5cyclictest0-21swapper/109:41:491
309899654,59cyclictest1289-21NetworkManager10:57:521
309899654,59cyclictest1279-21dbus-daemon10:45:521
309899653,61cyclictest0-21swapper/111:42:521
309899653,61cyclictest0-21swapper/109:09:511
309899653,60cyclictest1289-21NetworkManager11:20:521
309899653,60cyclictest1279-21dbus-daemon09:57:521
309899653,60cyclictest1279-21dbus-daemon08:39:521
3098996513,50cyclictest1279-21dbus-daemon07:13:521
3097996561,3cyclictest0-21swapper/010:33:490
3097996561,3cyclictest0-21swapper/007:38:510
3097996561,3cyclictest0-21swapper/007:31:510
309799653,61cyclictest0-21swapper/011:31:490
309799653,60cyclictest1289-21NetworkManager08:26:520
309799653,60cyclictest1279-21dbus-daemon07:17:520
3097996513,50cyclictest21761-21diskmemload09:39:520
3097996513,50cyclictest1279-21dbus-daemon07:49:520
3098996460,3cyclictest0-21swapper/112:28:501
3098996460,3cyclictest0-21swapper/112:22:521
3098996460,3cyclictest0-21swapper/112:12:481
3098996460,3cyclictest0-21swapper/111:51:521
3098996460,3cyclictest0-21swapper/111:10:521
3098996460,3cyclictest0-21swapper/110:09:511
3098996460,3cyclictest0-21swapper/110:02:491
3098996460,3cyclictest0-21swapper/109:45:491
3098996460,3cyclictest0-21swapper/109:15:491
3098996460,3cyclictest0-21swapper/108:57:511
3098996460,3cyclictest0-21swapper/108:51:511
3098996460,3cyclictest0-21swapper/108:17:511
3098996460,3cyclictest0-21swapper/108:08:491
3098996460,3cyclictest0-21swapper/107:34:491
3098996460,3cyclictest0-21swapper/107:08:491
3098996451,12cyclictest0-21swapper/110:39:491
3098996432,31cyclictest0-21swapper/112:34:511
3098996432,31cyclictest0-21swapper/109:47:491
3098996432,31cyclictest0-21swapper/108:44:491
3098996432,30cyclictest1289-21NetworkManager07:41:521
309899643,60cyclictest634-21ssh11:58:491
309899643,59cyclictest1279-21dbus-daemon09:29:521
3097996460,3cyclictest0-21swapper/007:25:490
3097996460,3cyclictest0-21swapper/007:12:500
3097996459,4cyclictest1279-21dbus-daemon12:14:520
3097996459,4cyclictest1279-21dbus-daemon08:47:520
3097996432,31cyclictest0-21swapper/011:41:500
3097996432,31cyclictest0-21swapper/011:15:490
3097996432,31cyclictest0-21swapper/011:07:500
3097996432,31cyclictest0-21swapper/010:54:510
3097996432,31cyclictest0-21swapper/009:00:490
3097996432,31cyclictest0-21swapper/007:43:520
309799643,59cyclictest1279-21dbus-daemon08:07:520
309799642,60cyclictest24449-21sh10:27:480
3098996359,3cyclictest0-21swapper/110:29:491
3098996359,3cyclictest0-21swapper/108:27:521
3098996351,11cyclictest0-21swapper/108:12:521
3098996350,12cyclictest0-21swapper/111:24:511
3098996341,21cyclictest0-21swapper/110:16:511
3098996341,21cyclictest0-21swapper/109:33:491
3098996341,21cyclictest0-21swapper/109:02:501
309899633,59cyclictest0-21swapper/111:16:491
309899632,60cyclictest0-21swapper/109:56:491
3097996361,1cyclictest8609-21kworker/u4:008:43:500
3097996351,11cyclictest0-21swapper/012:07:520
3097996351,11cyclictest0-21swapper/010:16:500
3097996351,11cyclictest0-21swapper/009:44:510
3097996351,11cyclictest0-21swapper/008:39:490
3097996351,11cyclictest0-21swapper/008:17:490
3097996351,11cyclictest0-21swapper/007:07:510
3097996341,21cyclictest0-21swapper/009:19:510
3097996341,21cyclictest0-21swapper/009:02:500
3097996341,21cyclictest0-21swapper/008:53:510
3097996341,21cyclictest0-21swapper/007:52:510
3097996332,30cyclictest0-21swapper/007:32:500
3097996331,31cyclictest0-21swapper/011:00:490
3097996331,31cyclictest0-21swapper/010:45:510
3097996331,31cyclictest0-21swapper/009:47:510
3097996331,31cyclictest0-21swapper/008:32:500
3097996331,31cyclictest0-21swapper/008:27:490
3097996331,31cyclictest0-21swapper/008:12:500
3097996331,31cyclictest0-21swapper/008:02:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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