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2025-06-16 - 13:38
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackcslot8.osadl.org (updated Mon Jun 16, 2025 00:49:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
916099357158,1cyclictest151rcu_preempt23:10:0631
918299351151,1cyclictest100-21ksoftirqd/1423:42:476
2482913160,308ptp4l0-21swapper/119:09:381
2482913160,308ptp4l0-21swapper/119:09:381
329891311303,6phc2sys0-21swapper/219:07:0612
329891311303,6phc2sys0-21swapper/219:07:0612
91829916441,75cyclictest0-21swapper/1422:28:296
91829915833,109cyclictest0-21swapper/1400:30:536
91829915833,109cyclictest0-21swapper/1400:30:536
91829915734,112cyclictest0-21swapper/1422:38:386
91829915633,23cyclictest0-21swapper/1420:25:036
9133991511,119cyclictest0-21swapper/300:28:0123
91319915135,89cyclictest0-21swapper/222:23:1112
91829914928,96cyclictest0-21swapper/1423:04:506
91829914927,83cyclictest0-21swapper/1421:25:266
91869914825,77cyclictest0-21swapper/1523:04:527
91829914523,82cyclictest0-21swapper/1400:11:396
91829914523,82cyclictest0-21swapper/1400:11:396
9220991430,89cyclictest0-21swapper/2423:56:0417
9220991430,89cyclictest0-21swapper/2423:56:0317
91319914327,72cyclictest0-21swapper/200:13:0312
91319914327,72cyclictest0-21swapper/200:13:0312
9205991420,90cyclictest0-21swapper/2020:50:2113
91319914125,78cyclictest0-21swapper/223:20:2412
91829914018,95cyclictest0-21swapper/1420:24:316
9160991400,87cyclictest0-21swapper/919:25:4031
91319914024,87cyclictest0-21swapper/223:50:3612
9179991391,101cyclictest0-21swapper/1322:40:155
9186991381,80cyclictest0-21swapper/1519:50:217
9179991380,85cyclictest0-21swapper/1300:29:485
9141991380,86cyclictest0-21swapper/523:16:3827
9141991370,86cyclictest0-21swapper/519:20:1727
92059913643,93cyclictest137-21ksoftirqd/2000:34:3813
92059913643,93cyclictest137-21ksoftirqd/2000:34:3813
92059913531,91cyclictest0-21swapper/2023:18:0013
91829913541,63cyclictest0-21swapper/1400:00:266
91829913541,63cyclictest0-21swapper/1400:00:266
91829913525,71cyclictest0-21swapper/1400:09:306
91829913525,71cyclictest0-21swapper/1400:09:306
92209913496,34cyclictest0-21swapper/2423:21:0817
9179991340,85cyclictest0-21swapper/1321:13:085
9179991330,81cyclictest0-21swapper/1320:57:255
92059913227,91cyclictest0-21swapper/2019:15:0013
92059913227,91cyclictest0-21swapper/2019:15:0013
9182991320,81cyclictest0-21swapper/1423:34:466
92059913124,78cyclictest0-21swapper/2022:15:0113
9186991310,87cyclictest0-21swapper/1521:31:367
9179991302,96cyclictest0-21swapper/1322:26:405
91829912918,65cyclictest0-21swapper/1400:21:166
91829912918,65cyclictest0-21swapper/1400:21:156
46832129121,6sleep170-21swapper/1719:05:159
46832129121,6sleep170-21swapper/1719:05:159
91829912822,97cyclictest0-21swapper/1422:02:516
91829912816,84cyclictest0-21swapper/1419:10:156
91829912816,84cyclictest0-21swapper/1419:10:156
91799912848,57cyclictest0-21swapper/1322:02:185
91419912859,66cyclictest0-21swapper/521:27:2627
2482911280,24ptp4l0-21swapper/122:06:541
9239991270,79cyclictest0-21swapper/2822:06:5121
91799912736,59cyclictest0-21swapper/1323:41:105
9179991270,93cyclictest30096-21diskmemload21:29:075
9182991260,73cyclictest0-21swapper/1422:09:336
91799912642,59cyclictest0-21swapper/1320:25:355
91799912639,64cyclictest0-21swapper/1321:21:415
9179991262,108cyclictest0-21swapper/1321:30:495
91419912650,74cyclictest0-21swapper/500:38:1327
91419912650,74cyclictest0-21swapper/500:38:1327
91829912561,47cyclictest4780-21taskset22:44:166
91799912539,55cyclictest0-21swapper/1322:46:075
91799912536,58cyclictest0-21swapper/1322:24:135
91799912523,59cyclictest0-21swapper/1320:41:365
91799912441,60cyclictest0-21swapper/1321:36:075
91799912441,55cyclictest0-21swapper/1323:38:305
91799912441,55cyclictest0-21swapper/1323:38:305
91799912441,52cyclictest0-21swapper/1322:17:515
91799912435,67cyclictest0-21swapper/1323:55:265
91799912435,67cyclictest0-21swapper/1323:55:265
91799912426,63cyclictest0-21swapper/1321:40:235
91799912425,65cyclictest0-21swapper/1321:05:075
9150991240,88cyclictest0-21swapper/720:15:1929
9133991241,89cyclictest0-21swapper/323:41:1523
91319912436,54cyclictest0-21swapper/223:19:5412
91319912421,64cyclictest0-21swapper/220:15:0012
91319912417,84cyclictest0-21swapper/222:18:0912
92209912344,56cyclictest0-21swapper/2419:40:2317
92059912315,67cyclictest0-21swapper/2023:35:1313
92059912315,67cyclictest0-21swapper/2023:35:1313
9182991230,76cyclictest0-21swapper/1421:59:056
91799912346,53cyclictest0-21swapper/1321:58:015
9179991233,110cyclictest0-21swapper/1323:09:465
91799912327,63cyclictest0-21swapper/1321:53:135
91799912327,63cyclictest0-21swapper/1319:55:395
91799912326,68cyclictest0-21swapper/1323:16:215
91799912326,65cyclictest0-21swapper/1322:32:465
91799912326,64cyclictest0-21swapper/1322:07:395
91799912326,60cyclictest0-21swapper/1320:15:575
91799912326,56cyclictest0-21swapper/1319:41:465
9133991231,89cyclictest0-21swapper/300:09:5223
9133991231,89cyclictest0-21swapper/300:09:5223
91799912247,64cyclictest0-21swapper/1323:22:285
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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