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2026-03-10 - 15:43
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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
Characteristics of the 100 highest latencies:
System rack7slot1.osadl.org (updated Tue Mar 10, 2026 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
354821470,1sleep28649-21stress10:12:002
2547721470,1sleep38647-21stress09:48:353
19578211955,59sleep10-21swapper/107:05:041
20928210947,54sleep20-21swapper/207:05:242
21355210850,20sleep00-21swapper/007:08:440
21329210449,23sleep30-21swapper/307:08:263
21560994513,22cyclictest0-21swapper/110:15:281
21560994410,24cyclictest0-21swapper/111:10:231
21559994210,29cyclictest0-21swapper/011:58:040
21559994112,26cyclictest0-21swapper/012:11:150
21559994111,27cyclictest0-21swapper/009:12:430
21559994111,27cyclictest0-21swapper/009:12:430
21561994015,22cyclictest0-21swapper/212:04:182
2156099409,20cyclictest0-21swapper/110:30:221
21559994016,21cyclictest0-21swapper/012:05:260
21559994010,27cyclictest0-21swapper/010:11:410
302612395,13sleep20-21swapper/208:44:302
299602395,14sleep20-21swapper/207:25:232
246482395,14sleep30-21swapper/307:15:133
21560993910,20cyclictest0-21swapper/111:05:141
2155999399,27cyclictest0-21swapper/012:30:110
2155999399,27cyclictest0-21swapper/010:46:350
21559993914,22cyclictest0-21swapper/010:56:490
108102395,13sleep20-21swapper/207:55:502
280062385,13sleep20-21swapper/208:37:482
21562993816,19cyclictest0-21swapper/311:12:053
21560993818,13cyclictest0-21swapper/109:31:221
2155999387,28cyclictest0-21swapper/009:49:090
21559993816,20cyclictest0-21swapper/011:40:070
21559993815,20cyclictest0-21swapper/011:35:510
21559993815,20cyclictest0-21swapper/010:39:110
21559993814,21cyclictest0-21swapper/010:54:340
151982385,13sleep20-21swapper/208:07:282
131782385,13sleep20-21swapper/208:03:522
87312375,13sleep30-21swapper/307:51:293
257322375,13sleep30-21swapper/308:30:523
21561993713,21cyclictest0-21swapper/209:29:082
2155999378,18cyclictest0-21swapper/009:35:550
21559993715,19cyclictest0-21swapper/012:35:050
21559993715,19cyclictest0-21swapper/009:40:060
21559993715,19cyclictest0-21swapper/009:40:060
21559993714,21cyclictest0-21swapper/009:56:330
21559993714,20cyclictest0-21swapper/011:30:220
21559993710,24cyclictest0-21swapper/010:30:170
193322375,13sleep30-21swapper/308:15:553
65952365,13sleep30-21swapper/307:46:213
327662365,13sleep00-21swapper/007:33:430
323602365,12sleep30-21swapper/308:49:153
299952365,12sleep00-21swapper/008:41:190
286012365,13sleep30-21swapper/307:24:483
279842365,13sleep00-21swapper/008:37:300
278732365,12sleep30-21swapper/308:36:053
237482365,12sleep20-21swapper/208:27:452
235782365,13sleep30-21swapper/307:14:323
21561993616,17cyclictest0-21swapper/209:45:032
21561993616,17cyclictest0-21swapper/209:45:022
21560993615,18cyclictest0-21swapper/109:26:131
21560993614,20cyclictest0-21swapper/110:26:511
21560993614,20cyclictest0-21swapper/110:26:511
2155999368,25cyclictest0-21swapper/012:22:560
21559993614,20cyclictest0-21swapper/012:29:330
21559993612,21cyclictest0-21swapper/010:40:040
175372365,13sleep20-21swapper/208:14:552
175372365,13sleep20-21swapper/208:14:542
63092355,12sleep00-21swapper/009:03:200
21561993519,13cyclictest0-21swapper/210:26:132
21561993519,13cyclictest0-21swapper/210:26:132
21561993516,16cyclictest0-21swapper/212:15:492
21561993515,17cyclictest0-21swapper/212:25:242
21561993514,18cyclictest0-21swapper/210:09:182
21561993510,22cyclictest0-21swapper/210:30:422
2156099359,23cyclictest0-21swapper/110:20:311
21560993520,13cyclictest0-21swapper/112:38:251
21560993520,13cyclictest0-21swapper/112:23:071
21560993516,17cyclictest0-21swapper/111:00:231
21560993516,17cyclictest0-21swapper/111:00:221
21560993516,17cyclictest0-21swapper/109:55:201
21560993512,21cyclictest0-21swapper/109:20:251
21560993511,18cyclictest0-21swapper/109:05:191
21559993516,17cyclictest0-21swapper/011:00:090
21559993516,17cyclictest0-21swapper/011:00:090
21559993515,17cyclictest0-21swapper/009:15:080
21559993511,21cyclictest0-21swapper/011:20:180
174372355,12sleep30-21swapper/308:13:403
174372355,12sleep30-21swapper/308:13:393
82372345,10sleep20-21swapper/209:05:592
259042345,10sleep20-21swapper/208:33:022
237842345,10sleep00-21swapper/008:28:110
216362345,10sleep20-21swapper/208:22:492
21562993415,17cyclictest0-21swapper/312:37:033
21562993412,20cyclictest0-21swapper/307:55:113
2156199349,22cyclictest0-21swapper/209:35:332
21561993416,15cyclictest0-21swapper/210:20:192
21561993414,17cyclictest0-21swapper/209:50:302
21561993414,17cyclictest0-21swapper/209:50:292
21561993413,18cyclictest0-21swapper/211:21:362
2156099346,19cyclictest0-21swapper/111:50:001
2156099345,23cyclictest0-21swapper/107:40:191
2156099345,21cyclictest0-21swapper/108:15:121
2156099345,20cyclictest0-21swapper/111:50:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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