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2025-12-21 - 03:52
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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 Sun Dec 21, 2025 00:47:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27886991535,109cyclictest0-21swapper/819:45:1730
27886991535,109cyclictest0-21swapper/819:45:1630
27886991526,87cyclictest0-21swapper/821:35:0030
279479914020,14cyclictest0-21swapper/2221:29:5315
279479914016,121cyclictest0-21swapper/2220:40:1315
279479913711,122cyclictest0-21swapper/2219:10:2315
279479913711,122cyclictest0-21swapper/2219:10:2215
278809913628,63cyclictest0-21swapper/721:00:1529
278809913531,62cyclictest0-21swapper/723:30:2429
278809913459,64cyclictest0-21swapper/723:17:0129
278809913457,69cyclictest0-21swapper/721:32:5129
278809913328,59cyclictest0-21swapper/700:15:4829
278809913228,62cyclictest0-21swapper/720:30:2029
27972991310,82cyclictest0-21swapper/2800:35:1121
279479913018,89cyclictest0-21swapper/2200:15:0015
278809913029,61cyclictest0-21swapper/722:11:3529
278809913029,60cyclictest0-21swapper/722:05:2729
278809913029,57cyclictest0-21swapper/720:50:5429
279429912948,59cyclictest0-21swapper/2120:45:2014
27928991299,112cyclictest0-21swapper/1800:10:0510
279429912849,53cyclictest0-21swapper/2122:25:2714
27928991285,80cyclictest0-21swapper/1800:09:3410
278869912746,56cyclictest0-21swapper/822:25:0130
278869912725,61cyclictest0-21swapper/821:44:2730
279429912631,59cyclictest0-21swapper/2100:25:2714
27942991260,83cyclictest0-21swapper/2121:15:2714
279429912549,54cyclictest0-21swapper/2100:35:4814
279289912522,64cyclictest0-21swapper/1821:26:3610
278869912535,65cyclictest0-21swapper/819:35:1630
278869912535,65cyclictest0-21swapper/819:35:1530
278809912525,58cyclictest0-21swapper/720:25:1929
279429912449,58cyclictest0-21swapper/2123:11:1814
279429912441,60cyclictest0-21swapper/2122:50:0214
279429912427,66cyclictest0-21swapper/2121:35:4614
278869912441,57cyclictest0-21swapper/800:05:0330
278869912432,63cyclictest0-21swapper/822:15:5430
278809912427,58cyclictest0-21swapper/719:47:3729
278809912427,58cyclictest0-21swapper/719:47:3629
279429912327,63cyclictest0-21swapper/2100:10:0914
279429912327,62cyclictest0-21swapper/2120:30:0314
279429912327,62cyclictest0-21swapper/2120:26:1814
279429912325,65cyclictest0-21swapper/2120:52:3014
279429912325,64cyclictest0-21swapper/2120:10:1614
27928991230,92cyclictest0-21swapper/1822:54:1410
278869912334,56cyclictest0-21swapper/822:40:3030
278869912331,58cyclictest0-21swapper/821:35:2530
278869912328,63cyclictest0-21swapper/822:10:1630
279429912228,67cyclictest0-21swapper/2123:20:1614
279429912228,61cyclictest0-21swapper/2122:55:2114
279429912227,67cyclictest0-21swapper/2121:45:2314
279429912226,64cyclictest0-21swapper/2121:00:1714
279429912225,64cyclictest0-21swapper/2123:41:5114
279289912214,108cyclictest0-21swapper/1823:50:2010
278869912243,58cyclictest0-21swapper/823:55:2330
278869912236,58cyclictest0-21swapper/820:52:5230
278869912227,66cyclictest0-21swapper/822:45:2030
278869912227,63cyclictest0-21swapper/823:15:1430
278869912226,61cyclictest0-21swapper/823:37:2930
278429912247,49cyclictest0-21swapper/023:10:190
279429912127,63cyclictest0-21swapper/2123:00:4314
279429912127,62cyclictest0-21swapper/2123:45:2014
279429912126,62cyclictest0-21swapper/2122:45:1214
279429912125,61cyclictest0-21swapper/2122:40:2414
279429912120,58cyclictest0-21swapper/2123:30:2714
278869912134,65cyclictest0-21swapper/819:15:2230
278869912134,65cyclictest0-21swapper/819:15:2130
278869912131,65cyclictest0-21swapper/822:40:0030
278869912125,63cyclictest0-21swapper/819:55:2730
278869912125,63cyclictest0-21swapper/819:55:2730
278809912126,53cyclictest0-21swapper/719:15:0129
278809912126,53cyclictest0-21swapper/719:15:0029
279429912029,70cyclictest0-21swapper/2119:17:2314
279429912029,70cyclictest0-21swapper/2119:17:2214
279429912025,63cyclictest0-21swapper/2120:25:0014
279429912022,56cyclictest0-21swapper/2119:31:1714
279429912022,56cyclictest0-21swapper/2119:31:1614
278869912051,57cyclictest0-21swapper/820:40:1830
278869912029,69cyclictest0-21swapper/821:05:2530
278869912028,63cyclictest0-21swapper/800:35:2430
278869912027,68cyclictest0-21swapper/821:57:2930
278869912027,64cyclictest0-21swapper/821:20:2130
278869912026,61cyclictest0-21swapper/821:46:0130
278869912025,62cyclictest0-21swapper/819:33:3130
278869912025,62cyclictest0-21swapper/819:33:3030
278869912024,59cyclictest0-21swapper/800:10:1630
278659912043,56cyclictest0-21swapper/422:42:2726
278659912026,61cyclictest0-21swapper/421:05:2226
278659912025,63cyclictest0-21swapper/400:05:2426
278659912024,61cyclictest0-21swapper/400:10:2726
278659912024,59cyclictest0-21swapper/421:00:0026
278429912041,54cyclictest0-21swapper/020:29:140
278429912037,54cyclictest0-21swapper/021:10:090
278429912033,59cyclictest0-21swapper/023:23:040
279429911939,51cyclictest0-21swapper/2100:34:1514
279429911922,58cyclictest0-21swapper/2119:45:0714
279429911922,58cyclictest0-21swapper/2119:45:0714
27928991191,73cyclictest0-21swapper/1821:22:2010
279079911925,60cyclictest0-21swapper/1323:55:075
278869911933,62cyclictest0-21swapper/800:15:0330
278869911926,57cyclictest0-21swapper/820:00:1530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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