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2023-12-10 - 14:28
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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 100 highest latencies:
System rack0slot3.osadl.org (updated Sun Dec 10, 2023 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8333392386367,13sleep40-21swapper/407:05:2010
8363572379358,15sleep60-21swapper/607:06:4212
8333402363343,4sleep50-21swapper/507:05:2111
8363422358320,12sleep100-21swapper/1007:06:302
8363032355312,14sleep80-21swapper/807:05:5614
8364412354333,14sleep150-21swapper/1507:07:557
8364702346305,14sleep90-21swapper/907:08:2215
8363822345325,14sleep130-21swapper/1307:07:055
8365472339317,15sleep110-21swapper/1107:09:273
8333282339320,13sleep120-21swapper/1207:05:124
8333312338318,13sleep140-21swapper/1407:05:146
8362972336317,13sleep20-21swapper/207:05:508
8363892335315,14sleep30-21swapper/307:07:119
8365062331313,12sleep70-21swapper/707:08:5113
8363682330309,15sleep00-21swapper/007:06:520
8364252329309,13sleep10-21swapper/107:07:411
836794999028,21cyclictest1105303-21kworker/0:012:32:030
836806998969,20cyclictest904241-21kworker/12:208:41:544
836794998926,22cyclictest969475-21kworker/0:009:43:300
83679499885,41cyclictest999598-21kworker/0:110:10:100
836794998847,41cyclictest1105303-21kworker/0:011:04:160
836794998626,21cyclictest969475-21kworker/0:009:38:480
836794998524,41cyclictest1105303-21kworker/0:012:00:110
836794998241,20cyclictest0-21swapper/012:15:040
836794998239,41cyclictest13-21ksoftirqd/009:25:380
836794998119,20cyclictest0-21swapper/011:50:510
836794998040,20cyclictest999598-21kworker/0:110:15:220
836794998040,20cyclictest0-21swapper/012:21:540
836794997959,20cyclictest1105303-21kworker/0:011:14:020
836794997916,21cyclictest0-21swapper/011:38:080
836794997916,21cyclictest0-21swapper/010:26:120
836794997837,41cyclictest0-21swapper/011:30:480
836794997817,20cyclictest0-21swapper/010:46:100
836794997816,21cyclictest0-21swapper/007:16:320
836794997816,20cyclictest999598-21kworker/0:110:22:250
836794997816,20cyclictest13-21ksoftirqd/009:13:140
836794997816,20cyclictest0-21swapper/012:10:080
836794997816,20cyclictest0-21swapper/010:30:440
836794997815,22cyclictest1153658-21ssh11:23:160
836794997815,21cyclictest0-21swapper/011:58:120
836794997716,20cyclictest0-21swapper/009:54:450
836794997716,20cyclictest0-21swapper/007:59:080
836794997714,21cyclictest0-21swapper/008:55:240
836794997714,21cyclictest0-21swapper/008:44:040
836794997714,21cyclictest0-21swapper/008:09:080
836794997613,21cyclictest0-21swapper/009:01:400
836794997613,21cyclictest0-21swapper/008:38:280
836794997613,21cyclictest0-21swapper/007:46:190
836794997613,21cyclictest0-21swapper/007:40:240
836794997514,20cyclictest0-21swapper/007:20:350
836794997513,20cyclictest0-21swapper/010:01:150
836794997513,20cyclictest0-21swapper/010:01:140
836794997513,20cyclictest0-21swapper/007:54:200
836794997512,21cyclictest0-21swapper/008:26:040
836794997412,21cyclictest0-21swapper/010:59:400
836794997412,20cyclictest0-21swapper/007:35:480
836794997333,20cyclictest1105303-21kworker/0:012:37:460
836794997312,19cyclictest0-21swapper/011:18:290
836794997231,21cyclictest1105303-21kworker/0:011:48:410
836794997230,1cyclictest922606-21kworker/0:109:24:180
83679499719,21cyclictest1105303-21kworker/0:011:29:300
83679499719,21cyclictest1105303-21kworker/0:011:29:300
83679499708,20cyclictest0-21swapper/012:09:460
83679499698,20cyclictest1105303-21kworker/0:011:44:000
83679499675,20cyclictest0-21swapper/012:26:040
836794996726,41cyclictest999598-21kworker/0:110:07:460
83679499672,21cyclictest0-21swapper/008:47:080
836794996646,20cyclictest999598-21kworker/0:109:58:080
836794996646,20cyclictest999598-21kworker/0:109:58:080
83679499664,21cyclictest0-21swapper/009:18:520
83679499664,20cyclictest0-21swapper/009:49:400
83679499653,20cyclictest1089902-21ssh10:44:240
836794996445,19cyclictest999598-21kworker/0:110:52:410
836794996444,20cyclictest846504-21kworker/0:007:31:200
836794996444,20cyclictest13-21ksoftirqd/008:53:440
83679499642,21cyclictest0-21swapper/008:14:520
83679499642,20cyclictest0-21swapper/007:25:040
83680699631,21cyclictest141rcu_preempt11:38:104
836794996220,42cyclictest0-21swapper/007:14:480
83679499620,20cyclictest0-21swapper/008:02:120
836806996120,41cyclictest0-21swapper/1211:17:444
836794996018,0cyclictest0-21swapper/011:05:360
10318022600,0sleep50-21swapper/510:06:5211
836794995939,20cyclictest0-21swapper/010:39:140
836794995938,21cyclictest0-21swapper/009:31:120
836794995918,21cyclictest13-21ksoftirqd/009:09:160
8634842580,0sleep120-21swapper/1207:37:144
836794995737,20cyclictest879638-21kworker/0:008:16:180
836794995615,0cyclictest0-21swapper/008:23:360
836794995513,21cyclictest0-21swapper/008:32:040
836794995513,21cyclictest0-21swapper/008:32:040
836799995412,42cyclictest0-21swapper/511:00:0811
836806995312,41cyclictest101-21ksoftirqd/1211:22:424
836806995210,42cyclictest0-21swapper/1210:45:224
836799995210,42cyclictest0-21swapper/511:15:4611
83680699498,21cyclictest0-21swapper/1207:15:304
83680399430,42cyclictest0-21swapper/912:11:4815
83680399420,42cyclictest0-21swapper/907:17:5615
83680199420,42cyclictest0-21swapper/712:37:3313
83680199420,42cyclictest0-21swapper/712:28:3413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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