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2026-04-01 - 18:27
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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 Wed Apr 01, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2271121150,1sleep332023-21stress11:19:173
11938211452,57sleep00-21swapper/007:07:020
11974210565,35sleep30-21swapper/307:07:293
1200629166,20sleep20-21swapper/207:07:522
1192427953,21sleep10-21swapper/107:06:511
143852700,1sleep232021-21stress09:42:452
1228499496,40cyclictest0-21swapper/210:05:272
1228499495,41cyclictest0-21swapper/212:05:222
1228499495,41cyclictest0-21swapper/212:05:222
1228499495,20cyclictest0-21swapper/210:15:262
1228499485,40cyclictest0-21swapper/211:40:142
1228499485,40cyclictest0-21swapper/211:05:172
1228499485,25cyclictest0-21swapper/208:58:162
1228499485,21cyclictest0-21swapper/210:00:252
1228499485,21cyclictest0-21swapper/210:00:252
1228499485,20cyclictest0-21swapper/211:20:152
1228499485,20cyclictest0-21swapper/210:10:152
1228499485,19cyclictest0-21swapper/210:40:242
1228499476,25cyclictest0-21swapper/210:55:292
1228499475,39cyclictest0-21swapper/210:20:282
1228499475,39cyclictest0-21swapper/209:15:152
1228499475,21cyclictest0-21swapper/211:00:352
1228499475,21cyclictest0-21swapper/209:20:142
1228499475,21cyclictest0-21swapper/209:20:132
1228499475,20cyclictest0-21swapper/212:00:222
1228499475,20cyclictest0-21swapper/211:30:272
1228499475,20cyclictest0-21swapper/210:30:262
1228499465,20cyclictest0-21swapper/211:35:162
1228499465,20cyclictest0-21swapper/211:25:172
1228499465,20cyclictest0-21swapper/209:55:242
1228499465,20cyclictest0-21swapper/209:50:182
1228499465,20cyclictest0-21swapper/209:36:392
1228499455,37cyclictest0-21swapper/211:55:152
1228499455,37cyclictest0-21swapper/210:25:182
1228499455,23cyclictest0-21swapper/209:04:272
1228499455,20cyclictest0-21swapper/212:10:272
1228499455,20cyclictest0-21swapper/211:10:152
1228499455,20cyclictest0-21swapper/211:10:152
1228499455,20cyclictest0-21swapper/209:30:382
1228499455,19cyclictest0-21swapper/211:15:332
1228499455,19cyclictest0-21swapper/210:45:302
1228499455,13cyclictest0-21swapper/208:35:172
1228499455,12cyclictest0-21swapper/207:38:262
12281994513,19cyclictest0-21swapper/011:13:110
12281994513,19cyclictest0-21swapper/011:13:110
1228499446,23cyclictest0-21swapper/212:30:202
1228499446,19cyclictest0-21swapper/208:21:272
1228499445,23cyclictest0-21swapper/207:57:272
1228499445,21cyclictest0-21swapper/212:20:332
1228499445,21cyclictest0-21swapper/212:20:332
1228499445,21cyclictest0-21swapper/208:45:012
1228499445,21cyclictest0-21swapper/208:45:012
1228499445,20cyclictest0-21swapper/211:50:542
1228499445,20cyclictest0-21swapper/210:38:472
1228499445,20cyclictest0-21swapper/210:38:462
1228499445,20cyclictest0-21swapper/209:12:392
1228499445,19cyclictest0-21swapper/209:30:012
1228499445,12cyclictest0-21swapper/207:33:072
1228499435,36cyclictest0-21swapper/207:25:012
1228499435,15cyclictest0-21swapper/212:35:312
1228499435,15cyclictest0-21swapper/209:09:372
1228499435,13cyclictest0-21swapper/208:31:062
1228499435,12cyclictest0-21swapper/208:16:272
1228499425,35cyclictest0-21swapper/208:50:172
1228499425,20cyclictest0-21swapper/211:49:152
1228499425,20cyclictest0-21swapper/209:45:272
1228499425,20cyclictest0-21swapper/207:50:132
1228499425,19cyclictest0-21swapper/207:15:132
1228499425,18cyclictest0-21swapper/212:25:182
1228499425,18cyclictest0-21swapper/212:25:172
1228499416,19cyclictest0-21swapper/208:10:162
1228499415,19cyclictest0-21swapper/208:29:222
1228499415,19cyclictest0-21swapper/208:06:402
1228499415,19cyclictest0-21swapper/208:00:182
1228499415,19cyclictest0-21swapper/207:45:222
1228499415,19cyclictest0-21swapper/207:42:072
1228499415,19cyclictest0-21swapper/207:29:212
1228499415,19cyclictest0-21swapper/207:10:492
1228499415,14cyclictest0-21swapper/210:50:152
124812405,14sleep00-21swapper/008:22:090
1228499405,19cyclictest0-21swapper/212:19:212
1228499405,19cyclictest0-21swapper/208:46:352
1228199409,28cyclictest0-21swapper/012:34:220
1228199406,32cyclictest0-21swapper/009:34:380
12281994012,15cyclictest0-21swapper/011:05:380
1228199396,30cyclictest0-21swapper/009:18:430
1228199396,30cyclictest0-21swapper/009:10:540
12281993912,24cyclictest0-21swapper/010:41:350
12281993911,20cyclictest0-21swapper/010:30:340
12281993910,26cyclictest0-21swapper/009:44:240
12285993813,22cyclictest0-21swapper/310:01:403
12285993813,22cyclictest0-21swapper/310:01:403
1228199389,26cyclictest0-21swapper/012:00:350
1228199389,26cyclictest0-21swapper/010:23:190
1228199388,24cyclictest0-21swapper/008:00:220
1228199387,13cyclictest0-21swapper/012:15:320
1228199386,22cyclictest0-21swapper/011:39:460
12281993810,25cyclictest0-21swapper/010:27:090
19232375,12sleep00-21swapper/007:59:470
186882375,14sleep10-21swapper/108:35:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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