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2025-11-30 - 16:58
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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 rack3slot6.osadl.org (updated Sun Nov 30, 2025 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222629911530,40cyclictest22254-21cyclictest11:30:150
222679911115,83cyclictest0-21swapper/110:15:211
222679911012,82cyclictest0-21swapper/108:50:131
222679911011,86cyclictest0-21swapper/110:00:141
22267991096,88cyclictest2522-21date09:15:011
22267991088,87cyclictest43822sleep109:20:111
222679910860,35cyclictest26-21ksoftirqd/108:15:161
222679910814,81cyclictest0-21swapper/110:45:161
222679910813,80cyclictest0-21swapper/111:30:121
222679910813,78cyclictest0-21swapper/109:35:111
222679910812,81cyclictest0-21swapper/110:05:151
222679910811,82cyclictest0-21swapper/112:30:111
222629910875,20cyclictest14-21ksoftirqd/007:45:110
222679910713,80cyclictest0-21swapper/110:10:131
222679910713,78cyclictest0-21swapper/110:25:161
222679910713,78cyclictest0-21swapper/109:25:151
222679910713,77cyclictest0-21swapper/112:10:151
222679910711,82cyclictest0-21swapper/108:55:121
222679910614,77cyclictest0-21swapper/111:25:121
222679910613,78cyclictest0-21swapper/110:55:131
222679910613,77cyclictest0-21swapper/107:25:131
222679910613,75cyclictest0-21swapper/109:55:171
222679910612,80cyclictest0-21swapper/109:45:141
222679910612,79cyclictest0-21swapper/110:50:141
222679910612,78cyclictest0-21swapper/111:15:131
222679910612,75cyclictest0-21swapper/109:40:111
222679910611,81cyclictest0-21swapper/108:45:131
222679910611,78cyclictest0-21swapper/108:40:241
222679910611,78cyclictest0-21swapper/107:20:191
222679910567,28cyclictest26-21ksoftirqd/111:35:141
222679910515,71cyclictest0-21swapper/110:40:131
222679910513,78cyclictest0-21swapper/107:45:141
222679910513,74cyclictest0-21swapper/111:20:141
222679910513,74cyclictest0-21swapper/107:10:121
222679910512,79cyclictest0-21swapper/108:00:161
222679910413,77cyclictest0-21swapper/112:35:141
222679910413,77cyclictest0-21swapper/112:35:141
222679910413,75cyclictest0-21swapper/111:10:141
222679910413,75cyclictest0-21swapper/108:35:151
222679910413,70cyclictest0-21swapper/112:15:151
222679910412,80cyclictest0-21swapper/107:50:121
222679910412,79cyclictest0-21swapper/107:40:141
222679910412,78cyclictest0-21swapper/109:30:141
222679910412,76cyclictest0-21swapper/111:45:231
222679910411,78cyclictest0-21swapper/107:35:151
222679910411,75cyclictest0-21swapper/112:25:171
222679910313,78cyclictest0-21swapper/109:15:151
222679910312,78cyclictest0-21swapper/111:50:141
222679910311,76cyclictest0-21swapper/107:30:131
222679910311,75cyclictest0-21swapper/111:05:131
222679910213,72cyclictest0-21swapper/112:20:121
222679910213,72cyclictest0-21swapper/112:20:111
222679910212,76cyclictest0-21swapper/108:05:261
222679910212,73cyclictest0-21swapper/109:05:151
222679910212,71cyclictest0-21swapper/110:20:151
222679910212,71cyclictest0-21swapper/110:20:141
222679910111,71cyclictest0-21swapper/110:30:181
222679910110,73cyclictest0-21swapper/111:55:131
222679910110,72cyclictest0-21swapper/108:10:141
222629910168,21cyclictest14-21ksoftirqd/008:00:130
222629910110,76cyclictest0-21swapper/008:35:120
222679910012,69cyclictest0-21swapper/107:15:151
222679910011,74cyclictest0-21swapper/112:00:141
222679910011,73cyclictest0-21swapper/112:05:271
222679910011,71cyclictest0-21swapper/110:35:131
222629910068,20cyclictest14-21ksoftirqd/007:50:160
22267999812,67cyclictest0-21swapper/107:55:161
22267999812,66cyclictest0-21swapper/109:50:141
22267999710,67cyclictest0-21swapper/111:00:121
22267999615,62cyclictest0-21swapper/109:00:141
2226799958,61cyclictest21370-21chrt11:40:141
2183429329,19sleep10-21swapper/107:07:221
22262999250,30cyclictest14-21ksoftirqd/008:30:140
22262998914,64cyclictest0-21swapper/012:05:240
2226299816,57cyclictest0-21swapper/009:55:140
22262997736,29cyclictest0-21swapper/007:10:140
22262997522,38cyclictest14-21ksoftirqd/008:25:170
22262997332,32cyclictest0-21swapper/009:00:150
2209427326,37sleep00-21swapper/007:09:380
22262997231,29cyclictest0-21swapper/008:05:240
22262997228,34cyclictest0-21swapper/009:30:130
22262997131,29cyclictest0-21swapper/010:00:170
22262997125,40cyclictest2137-21aten2.4-expect10:45:190
2226799709,51cyclictest18893-21apt-get08:30:121
22262997020,35cyclictest0-21swapper/008:15:160
2226799689,48cyclictest17155-21apt-get08:25:151
22262996815,35cyclictest0-21swapper/007:15:140
22262996813,33cyclictest0-21swapper/008:20:120
22267996710,47cyclictest15417-21apt-get08:20:151
22262996716,37cyclictest14-21ksoftirqd/010:25:140
2226299668,51cyclictest832-21apt-get09:10:130
22262996615,34cyclictest0-21swapper/010:15:220
22262996614,32cyclictest0-21swapper/011:15:170
22262996613,35cyclictest0-21swapper/009:05:160
22262996613,31cyclictest0-21swapper/009:25:130
22262996612,33cyclictest0-21swapper/011:00:160
22262996521,19cyclictest254-21systemd-journal08:49:080
22262996514,34cyclictest0-21swapper/011:50:110
22262996514,32cyclictest0-21swapper/007:55:150
22262996412,29cyclictest0-21swapper/009:35:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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