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2024-07-19 - 05:32
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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 Fri Jul 19, 2024 00:48:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2279911920,184ptp4l0-21swapper/119:05:121
123259917326,141cyclictest0-21swapper/1822:26:1110
123259917326,141cyclictest0-21swapper/1822:26:1110
123259916923,136cyclictest0-21swapper/1800:12:3210
123459915715,103cyclictest0-21swapper/2319:20:1816
123259915126,83cyclictest0-21swapper/1800:17:3610
122609915031,77cyclictest0-21swapper/522:48:5627
122569914555,74cyclictest0-21swapper/419:20:2226
123259914324,82cyclictest0-21swapper/1823:06:4710
122569914351,11cyclictest0-21swapper/421:44:5226
122569914351,11cyclictest0-21swapper/421:44:5126
12325991370,83cyclictest0-21swapper/1822:20:5010
12325991370,83cyclictest0-21swapper/1822:20:5010
123259913627,81cyclictest0-21swapper/1822:50:4610
123259913619,88cyclictest0-21swapper/1823:59:1010
123659913534,95cyclictest0-21swapper/2721:37:1020
123659913534,95cyclictest0-21swapper/2721:37:1020
123889913228,70cyclictest0-21swapper/3121:28:4125
123889913228,70cyclictest0-21swapper/3121:28:4125
1226599132126,1cyclictest52-21ksoftirqd/622:46:1628
123889913147,56cyclictest0-21swapper/3120:29:2225
12250991310,82cyclictest0-21swapper/319:10:2023
123889912947,53cyclictest0-21swapper/3120:43:4725
123889912928,71cyclictest0-21swapper/3119:58:5325
123659912927,86cyclictest0-21swapper/2700:00:2320
123659912926,102cyclictest0-21swapper/2721:32:5320
123659912926,102cyclictest0-21swapper/2721:32:5320
12303991290,76cyclictest0-21swapper/1421:46:346
12303991290,76cyclictest0-21swapper/1421:46:346
12256991290,89cyclictest0-21swapper/423:32:3326
123889912854,64cyclictest0-21swapper/3121:43:0625
123889912854,64cyclictest0-21swapper/3121:43:0625
123889912829,62cyclictest0-21swapper/3120:20:1725
123889912827,67cyclictest0-21swapper/3123:40:0925
123889912827,66cyclictest0-21swapper/3123:09:0825
123889912827,66cyclictest0-21swapper/3100:36:4825
123889912827,65cyclictest0-21swapper/3121:16:2325
123889912827,65cyclictest0-21swapper/3121:16:2325
123889912826,71cyclictest0-21swapper/3122:13:0025
123889912826,71cyclictest0-21swapper/3122:13:0025
123889912826,67cyclictest0-21swapper/3100:09:3225
122569912855,38cyclictest0-21swapper/420:43:0026
123889912729,71cyclictest0-21swapper/3100:30:5525
123889912728,68cyclictest0-21swapper/3122:24:1525
123889912728,68cyclictest0-21swapper/3122:24:1525
123889912728,68cyclictest0-21swapper/3122:19:5925
123889912728,68cyclictest0-21swapper/3122:19:5925
123889912727,67cyclictest0-21swapper/3100:20:1425
123889912722,26cyclictest0-21swapper/3122:46:1025
123889912641,51cyclictest0-21swapper/3123:48:1025
123889912630,75cyclictest0-21swapper/3119:53:3425
123889912627,67cyclictest0-21swapper/3123:15:0125
123889912626,66cyclictest0-21swapper/3119:25:1425
123889912622,61cyclictest0-21swapper/3121:22:1625
123889912622,61cyclictest0-21swapper/3121:22:1625
123259912648,55cyclictest0-21swapper/1822:12:4810
123259912648,55cyclictest0-21swapper/1822:12:4810
123259912646,55cyclictest0-21swapper/1822:48:0510
122749912622,64cyclictest64-21ksoftirqd/822:06:2330
122749912622,64cyclictest64-21ksoftirqd/822:06:2230
122609912617,79cyclictest0-21swapper/521:49:1627
122609912617,79cyclictest0-21swapper/521:49:1527
123889912528,68cyclictest0-21swapper/3121:45:4725
123889912528,68cyclictest0-21swapper/3121:45:4725
123889912528,65cyclictest0-21swapper/3100:18:3725
123889912527,65cyclictest0-21swapper/3122:09:3325
123889912527,65cyclictest0-21swapper/3122:09:3325
123889912527,63cyclictest0-21swapper/3122:27:2825
123889912527,63cyclictest0-21swapper/3122:27:2825
123889912526,64cyclictest0-21swapper/3123:20:2125
123459912525,59cyclictest0-21swapper/2322:24:3916
123459912525,59cyclictest0-21swapper/2322:24:3916
123459912524,60cyclictest0-21swapper/2300:17:5716
123259912523,69cyclictest0-21swapper/1822:55:2010
12256991259,115cyclictest151rcu_preempt22:40:4226
123889912431,75cyclictest0-21swapper/3100:02:3625
123889912429,68cyclictest0-21swapper/3120:59:4825
123889912427,66cyclictest0-21swapper/3122:50:2725
123889912426,64cyclictest0-21swapper/3120:35:1425
123459912445,60cyclictest0-21swapper/2321:46:4316
123459912445,60cyclictest0-21swapper/2321:46:4316
123259912426,64cyclictest0-21swapper/1821:17:4610
123259912426,64cyclictest0-21swapper/1821:17:4510
123259912426,63cyclictest0-21swapper/1821:11:2410
123259912425,61cyclictest0-21swapper/1820:52:0510
123169912411,73cyclictest0-21swapper/1600:34:478
12316991240,78cyclictest0-21swapper/1621:28:488
12316991240,78cyclictest0-21swapper/1621:28:488
122569912430,63cyclictest0-21swapper/421:55:4926
122569912430,63cyclictest0-21swapper/421:55:4926
123889912326,63cyclictest0-21swapper/3122:00:4525
123889912326,63cyclictest0-21swapper/3122:00:4525
123889912326,63cyclictest0-21swapper/3120:14:5625
123459912324,60cyclictest0-21swapper/2320:07:1716
123259912332,59cyclictest0-21swapper/1800:29:3810
123259912327,65cyclictest0-21swapper/1819:25:3410
123259912327,64cyclictest0-21swapper/1821:50:0710
123259912327,64cyclictest0-21swapper/1821:50:0710
123259912324,57cyclictest0-21swapper/1800:30:0910
122569912333,59cyclictest0-21swapper/420:50:2126
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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