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2024-04-19 - 08:28
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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 50 highest latencies:
System rackcslot8.osadl.org (updated Fri Apr 19, 2024 00:48:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2279912730,264ptp4l0-21swapper/119:09:031
123572211203,7sleep210-21swapper/2119:06:1114
138919918313,106cyclictest0-21swapper/2423:15:1817
137519915547,69cyclictest0-21swapper/520:20:1627
137519915547,69cyclictest0-21swapper/520:20:1527
137989915327,98cyclictest0-21swapper/1100:31:433
137989915224,121cyclictest0-21swapper/1122:20:153
137989915027,73cyclictest0-21swapper/1100:24:143
137989914921,127cyclictest0-21swapper/1122:45:223
13736991490,86cyclictest0-21swapper/323:00:1323
137519914476,65cyclictest46-21ksoftirqd/522:03:2027
13946991430,85cyclictest0-21swapper/3122:38:4525
137369914329,94cyclictest0-21swapper/322:50:0223
139249914228,66cyclictest0-21swapper/2823:29:4521
139249914158,64cyclictest0-21swapper/2822:07:3021
139249914130,66cyclictest0-21swapper/2823:03:0221
139249914029,71cyclictest0-21swapper/2819:10:2121
139249914029,71cyclictest0-21swapper/2819:10:2121
139249913951,54cyclictest0-21swapper/2820:40:2521
139249913937,61cyclictest0-21swapper/2820:10:2721
139249913937,61cyclictest0-21swapper/2820:10:2721
13899991390,84cyclictest0-21swapper/2523:24:3718
137519913930,82cyclictest0-21swapper/523:40:5127
139249913754,61cyclictest0-21swapper/2821:24:4521
139249913730,67cyclictest0-21swapper/2822:37:4121
139249913729,64cyclictest0-21swapper/2821:55:1421
137989913710,106cyclictest2283-21taskset21:05:423
139249913650,65cyclictest0-21swapper/2822:22:2521
139249913631,57cyclictest0-21swapper/2800:00:1721
139249913531,67cyclictest0-21swapper/2821:01:4621
139249913530,64cyclictest0-21swapper/2800:25:2221
139249913529,65cyclictest0-21swapper/2821:15:2621
139249913446,62cyclictest0-21swapper/2819:59:1321
139249913446,62cyclictest0-21swapper/2819:59:1221
139249913431,66cyclictest0-21swapper/2823:44:4621
139249913430,62cyclictest0-21swapper/2820:45:1221
139249913428,62cyclictest0-21swapper/2822:10:1021
139249913427,65cyclictest0-21swapper/2821:15:0121
139249913427,63cyclictest0-21swapper/2821:25:0121
137519913426,82cyclictest0-21swapper/500:20:1227
139249913329,65cyclictest0-21swapper/2822:40:3821
139249913328,60cyclictest0-21swapper/2822:54:1621
139469913240,58cyclictest0-21swapper/3121:10:0325
139469913240,57cyclictest0-21swapper/3121:52:1525
139469913226,64cyclictest0-21swapper/3123:35:2425
139469913147,58cyclictest0-21swapper/3123:32:1125
139469913126,62cyclictest0-21swapper/3123:45:0225
139249913130,68cyclictest0-21swapper/2820:15:3221
139249913130,68cyclictest0-21swapper/2820:15:3221
139249913130,60cyclictest0-21swapper/2819:30:2521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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