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2025-05-02 - 12:56
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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 rack6slot0.osadl.org (updated Fri May 02, 2025 01:00:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272299928127,239cyclictest40018-21sshd23:10:2019
272299928127,239cyclictest40018-21sshd23:10:2019
272299928127,239cyclictest40018-21sshd23:10:1919
272299926924,226cyclictest0-21swapper/2623:50:2319
272299926924,226cyclictest0-21swapper/2623:50:2319
272299926348,200cyclictest0-21swapper/2600:30:2119
272299926348,200cyclictest0-21swapper/2600:30:2019
272209922960,55cyclictest0-21swapper/1822:45:1810
272209922960,55cyclictest0-21swapper/1822:45:1810
272299921849,151cyclictest18542-21inotify_reader22:00:1919
272299921849,151cyclictest18542-21inotify_reader22:00:1919
272299921849,151cyclictest18542-21inotify_reader22:00:1919
272299921823,177cyclictest0-21swapper/2619:40:2619
272299921823,177cyclictest0-21swapper/2619:40:2619
272299920331,161cyclictest15985-21CPU19
272299920331,161cyclictest15985-21CPU19
2722899203190,11cyclictest0-21swapper/2521:25:0018
2722899203190,11cyclictest0-21swapper/2521:25:0018
2722899203190,11cyclictest0-21swapper/2521:25:0018
2720999203184,12cyclictest0-21swapper/1121:27:563
2720999203184,12cyclictest0-21swapper/1121:27:563
2720999203184,12cyclictest0-21swapper/1121:27:563
2719699203197,4cyclictest0-21swapper/822:38:4938
2719699203197,4cyclictest0-21swapper/822:38:4938
2722999202191,9cyclictest0-21swapper/2623:37:1619
2722999202191,9cyclictest0-21swapper/2623:37:1619
2721399202187,6cyclictest0-21swapper/1322:57:135
2721399202187,6cyclictest0-21swapper/1322:57:135
2722099199164,32cyclictest9327-21CPU10
2722099199164,32cyclictest9327-21CPU10
2721499199193,4cyclictest0-21swapper/1421:30:136
2721499199193,4cyclictest0-21swapper/1421:30:136
27225991964,187cyclictest13967-21NetworkChangeNo23:00:2015
27225991964,187cyclictest13967-21NetworkChangeNo23:00:2015
27225991964,187cyclictest13967-21NetworkChangeNo23:00:2015
2717099196148,26cyclictest0-21swapper/222:27:4512
2717099196148,26cyclictest0-21swapper/222:27:4512
2717099196148,26cyclictest0-21swapper/222:27:4512
27225991952,3cyclictest9334-21CPU15
27225991952,3cyclictest9334-21CPU15
2716999195188,5cyclictest0-21swapper/123:22:561
2716999195188,5cyclictest0-21swapper/123:22:561
2716999195188,5cyclictest0-21swapper/123:22:561
272299919410,179cyclictest0-21swapper/2622:25:2019
272299919410,179cyclictest0-21swapper/2622:25:2019
272299919410,179cyclictest0-21swapper/2622:25:2019
27225991931,176cyclictest0-21swapper/2222:30:2115
27225991931,176cyclictest0-21swapper/2222:30:2115
27225991931,176cyclictest0-21swapper/2222:30:2115
27225991925,4cyclictest15979-21CPU15
27225991925,4cyclictest15979-21CPU15
2719699192175,11cyclictest0-21swapper/800:09:3738
2719699192175,11cyclictest0-21swapper/800:09:3738
2716999192148,33cyclictest29206-21TaskSchedulerSi20:55:231
2716999192148,33cyclictest29206-21TaskSchedulerSi20:55:231
2716999192148,33cyclictest29206-21TaskSchedulerSi20:55:231
2724599191183,6cyclictest0-21swapper/3819:27:1632
2724599191183,6cyclictest0-21swapper/3819:27:1632
2721499191160,21cyclictest9334-21CPU6
2721499191160,21cyclictest9334-21CPU6
34172991900,1rtkit-daemon0-21swapper/920:06:0239
2722999190131,57cyclictest0-21swapper/2623:42:0719
2722999190131,57cyclictest0-21swapper/2623:42:0619
2721399190157,18cyclictest1908-21sshd23:44:425
2721399190157,18cyclictest1908-21sshd23:44:425
2716799190178,2cyclictest0-21swapper/023:11:390
2716799190178,2cyclictest0-21swapper/023:11:380
2716799190178,2cyclictest0-21swapper/023:11:380
2724199189165,13cyclictest0-21swapper/3500:11:2829
2724199189165,13cyclictest0-21swapper/3500:11:2829
2724199189165,13cyclictest0-21swapper/3500:11:2829
2722999189173,14cyclictest1908-21sshd22:40:4619
2722999189173,14cyclictest1908-21sshd22:40:4619
2722999189169,13cyclictest171rcu_preempt23:18:5619
2722999189169,13cyclictest171rcu_preempt23:18:5619
2722999189169,13cyclictest171rcu_preempt23:18:5519
272299918915,170cyclictest0-21swapper/2622:35:1319
272299918915,170cyclictest0-21swapper/2622:35:1319
2721699189179,6cyclictest0-21swapper/1519:15:417
2721399189181,6cyclictest0-21swapper/1321:17:225
2721399189181,6cyclictest0-21swapper/1321:17:225
2719699189179,6cyclictest0-21swapper/822:53:2938
2719699189179,6cyclictest0-21swapper/822:53:2938
2717099189155,28cyclictest0-21swapper/200:04:3812
2717099189155,28cyclictest0-21swapper/200:04:3812
2717099189155,28cyclictest0-21swapper/200:04:3812
272299918829,157cyclictest2291rcuc/2623:02:5319
272299918829,157cyclictest2291rcuc/2623:02:5319
272299918829,157cyclictest2291rcuc/2623:02:5319
2722999188173,13cyclictest0-21swapper/2600:27:2319
2722999188173,13cyclictest0-21swapper/2600:27:2319
2722399188185,2cyclictest0-21swapper/2023:45:1913
2722399188185,2cyclictest0-21swapper/2023:45:1913
2722399188185,2cyclictest0-21swapper/2023:45:1913
2716999188181,4cyclictest0-21swapper/123:25:391
2716999188181,4cyclictest0-21swapper/123:25:391
272299918721,162cyclictest2291rcuc/2619:30:1619
272299918721,162cyclictest2291rcuc/2619:30:1619
2722999187169,11cyclictest171rcu_preempt23:48:4119
2722999187169,11cyclictest171rcu_preempt23:48:4119
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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