You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-14 - 04:30
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot8.osadl.org (updated Fri Nov 14, 2025 00:49:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2482912650,257ptp4l0-21swapper/119:07:411
16589922228,108cyclictest0-21swapper/3119:50:0025
16589922228,108cyclictest0-21swapper/3119:50:0025
16259917213,103cyclictest0-21swapper/2723:00:1220
14619916828,137cyclictest0-21swapper/723:10:0129
14619916732,81cyclictest0-21swapper/720:00:1829
14619916732,81cyclictest0-21swapper/720:00:1829
1424991660,138cyclictest0-21swapper/320:00:1423
1424991660,138cyclictest0-21swapper/320:00:1423
16259916312,119cyclictest0-21swapper/2721:20:1320
16259916212,121cyclictest0-21swapper/2700:38:2120
16259916013,90cyclictest0-21swapper/2723:10:2020
16039916014,109cyclictest0-21swapper/2423:56:3517
16339915550,98cyclictest0-21swapper/2823:30:3721
14759915434,97cyclictest0-21swapper/923:37:1831
16499915358,48cyclictest0-21swapper/3000:10:3324
14759915332,120cyclictest0-21swapper/922:10:4331
14759915331,105cyclictest0-21swapper/923:47:2631
1570991521,147cyclictest0-21swapper/2022:20:2213
1570991521,140cyclictest0-21swapper/2023:07:0213
1649991510,89cyclictest0-21swapper/3020:45:3424
1649991510,89cyclictest0-21swapper/3020:45:3324
1570991511,146cyclictest0-21swapper/2022:34:4213
14759915030,104cyclictest0-21swapper/900:02:5731
14759915029,118cyclictest0-21swapper/900:10:2631
1570991491,147cyclictest0-21swapper/2000:28:0313
14759914931,67cyclictest0-21swapper/921:26:5331
14759914930,71cyclictest0-21swapper/900:31:4931
15879914750,13cyclictest0-21swapper/2223:57:1715
1570991461,117cyclictest0-21swapper/2021:55:4513
16339914547,93cyclictest0-21swapper/2823:53:5721
16259914513,86cyclictest0-21swapper/2700:22:5020
16039914523,78cyclictest0-21swapper/2400:31:0217
1570991431,100cyclictest0-21swapper/2021:48:3113
1475991430,82cyclictest0-21swapper/921:57:2831
1603991420,85cyclictest0-21swapper/2420:05:0817
1603991420,85cyclictest0-21swapper/2420:05:0817
1603991420,83cyclictest0-21swapper/2420:10:0317
1603991420,83cyclictest0-21swapper/2420:10:0317
1603991410,83cyclictest0-21swapper/2400:20:4317
157899141139,1cyclictest151rcu_preempt23:06:3014
157899141139,1cyclictest151rcu_preempt21:33:3114
16339914024,106cyclictest0-21swapper/2819:10:1421
16039914051,59cyclictest0-21swapper/2421:30:2717
1603991390,86cyclictest0-21swapper/2421:25:2217
1549991390,80cyclictest0-21swapper/1700:21:169
16039913857,59cyclictest0-21swapper/2420:20:1317
16039913857,59cyclictest0-21swapper/2420:20:1217
16039913841,62cyclictest0-21swapper/2423:40:0217
1549991380,82cyclictest0-21swapper/1723:53:599
1549991380,81cyclictest0-21swapper/1723:43:199
14249913849,55cyclictest0-21swapper/320:46:4423
14249913849,55cyclictest0-21swapper/320:46:4323
14249913848,57cyclictest0-21swapper/323:37:4423
14249913828,65cyclictest0-21swapper/322:30:5523
1603991370,85cyclictest0-21swapper/2421:00:1417
14759913731,65cyclictest0-21swapper/923:03:3831
14249913743,64cyclictest0-21swapper/321:10:4623
14249913732,73cyclictest0-21swapper/319:13:4523
14249913718,91cyclictest0-21swapper/300:36:3123
16259913613,102cyclictest0-21swapper/2700:32:5920
1603991362,75cyclictest0-21swapper/2421:47:1617
16039913619,84cyclictest0-21swapper/2419:20:1717
15499913629,68cyclictest0-21swapper/1719:29:289
15499913624,69cyclictest0-21swapper/1700:28:129
1549991360,82cyclictest0-21swapper/1719:24:249
14619913652,60cyclictest0-21swapper/720:40:2329
14619913652,60cyclictest0-21swapper/720:40:2229
14619913648,58cyclictest0-21swapper/720:29:4229
14619913648,58cyclictest0-21swapper/720:29:4229
14619913629,63cyclictest0-21swapper/722:13:5329
14619913627,67cyclictest0-21swapper/721:23:3929
14619913623,78cyclictest0-21swapper/721:55:1229
14249913646,56cyclictest0-21swapper/323:20:3823
14249913630,71cyclictest0-21swapper/319:30:5123
14249913628,65cyclictest0-21swapper/320:05:3523
14249913628,65cyclictest0-21swapper/320:05:3423
14249913627,72cyclictest0-21swapper/323:40:2423
16039913530,73cyclictest0-21swapper/2422:35:2817
16039913527,72cyclictest0-21swapper/2419:55:2117
16039913527,72cyclictest0-21swapper/2419:55:2017
1603991350,80cyclictest0-21swapper/2423:25:1617
1570991351,127cyclictest0-21swapper/2023:51:1913
1549991350,80cyclictest0-21swapper/1721:54:509
14619913528,72cyclictest0-21swapper/723:03:3529
14619913526,66cyclictest0-21swapper/723:14:3329
14249913530,72cyclictest0-21swapper/319:39:5623
14249913530,72cyclictest0-21swapper/319:39:5523
14249913527,64cyclictest0-21swapper/323:33:2823
16039913430,70cyclictest0-21swapper/2422:05:2717
16039913426,71cyclictest0-21swapper/2400:27:3517
15499913429,62cyclictest0-21swapper/1723:21:239
15499913428,61cyclictest0-21swapper/1722:40:139
14249913431,72cyclictest0-21swapper/300:06:0423
14249913430,74cyclictest0-21swapper/320:55:2523
14249913430,74cyclictest0-21swapper/320:55:2523
14249913429,70cyclictest0-21swapper/322:48:0123
14249913428,70cyclictest0-21swapper/323:25:2723
14249913428,69cyclictest0-21swapper/322:38:3723
14249913428,60cyclictest0-21swapper/300:27:5723
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional