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2026-04-15 - 23:23
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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 15, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12925211657,54sleep20-21swapper/207:06:292
13031211252,55sleep00-21swapper/007:07:480
900821050,0sleep2806-21stress10:42:552
232122980,0sleep2808-21stress11:15:242
232122980,0sleep2808-21stress11:15:242
1286329656,35sleep30-21swapper/307:05:423
1290428353,25sleep10-21swapper/107:06:121
121462710,2sleep3805-21stress09:35:133
13312994414,18cyclictest0-21swapper/212:25:142
13312994414,18cyclictest0-21swapper/212:25:142
1331299428,31cyclictest0-21swapper/209:47:532
13313994014,23cyclictest0-21swapper/310:10:593
13310994011,26cyclictest0-21swapper/009:32:170
13310994011,26cyclictest0-21swapper/009:32:170
13310994010,19cyclictest0-21swapper/010:10:310
13313993915,20cyclictest0-21swapper/309:40:053
1331299399,27cyclictest0-21swapper/209:29:102
13312993916,20cyclictest0-21swapper/211:29:352
13312993913,23cyclictest0-21swapper/212:06:152
13312993913,23cyclictest0-21swapper/210:20:402
13312993913,23cyclictest0-21swapper/210:17:502
13310993915,12cyclictest0-21swapper/010:20:300
48922385,13sleep20-21swapper/208:00:272
311222385,13sleep20-21swapper/207:49:162
172022385,13sleep30-21swapper/308:30:203
150862385,13sleep20-21swapper/207:10:592
1331299386,20cyclictest0-21swapper/212:13:032
13312993816,19cyclictest0-21swapper/212:16:072
13312993816,19cyclictest0-21swapper/211:11:452
13312993816,19cyclictest0-21swapper/211:09:382
13312993816,19cyclictest0-21swapper/210:57:152
13312993815,20cyclictest0-21swapper/209:23:062
13311993814,17cyclictest0-21swapper/112:10:221
13310993819,18cyclictest0-21swapper/007:44:470
13310993810,19cyclictest0-21swapper/010:00:230
13310993810,19cyclictest0-21swapper/010:00:220
6672375,13sleep00-21swapper/007:52:150
33812375,13sleep00-21swapper/008:00:050
310432375,13sleep00-21swapper/007:48:140
266422375,13sleep30-21swapper/307:36:503
266142375,13sleep30-21swapper/308:53:223
255232370,1sleep2806-21stress11:20:302
246162375,13sleep30-21swapper/307:33:173
243892375,13sleep10-21swapper/108:47:301
221162375,13sleep00-21swapper/008:40:480
178162375,13sleep20-21swapper/208:30:312
137002375,13sleep20-21swapper/208:22:572
13312993716,19cyclictest0-21swapper/211:55:502
13310993712,15cyclictest0-21swapper/010:27:540
95442365,13sleep20-21swapper/208:14:432
29642365,13sleep20-21swapper/207:58:232
224232365,13sleep30-21swapper/308:44:393
201562365,13sleep00-21swapper/008:38:190
13313993615,18cyclictest0-21swapper/311:35:133
13312993616,18cyclictest0-21swapper/210:35:212
13312993616,18cyclictest0-21swapper/210:35:212
13312993615,18cyclictest0-21swapper/210:45:242
13312993615,18cyclictest0-21swapper/209:35:302
13312993614,20cyclictest0-21swapper/212:35:282
1331199365,28cyclictest0-21swapper/112:34:071
1331199365,28cyclictest0-21swapper/112:34:071
1331099364,22cyclictest0-21swapper/009:51:440
4382350,1sleep3806-21stress10:24:103
291342355,10sleep30-21swapper/309:00:073
287642355,13sleep10-21swapper/108:58:451
287642355,13sleep10-21swapper/108:58:451
266992355,13sleep10-21swapper/108:54:281
263592355,10sleep20-21swapper/208:50:242
245852355,10sleep20-21swapper/207:32:562
225202355,10sleep00-21swapper/007:28:570
204072355,10sleep20-21swapper/207:24:262
135672355,12sleep10-21swapper/108:21:161
13312993516,16cyclictest0-21swapper/212:30:282
13312993516,16cyclictest0-21swapper/212:30:282
13312993515,18cyclictest0-21swapper/211:30:102
13312993512,20cyclictest0-21swapper/211:35:102
13312993511,8cyclictest0-21swapper/211:00:332
13312993511,21cyclictest0-21swapper/209:51:202
13312993510,22cyclictest0-21swapper/209:57:222
1331199359,24cyclictest0-21swapper/110:46:031
1331199358,24cyclictest0-21swapper/111:17:011
1331199358,24cyclictest0-21swapper/111:17:011
1331199356,26cyclictest0-21swapper/111:44:031
1331199356,26cyclictest0-21swapper/109:30:331
1331199356,26cyclictest0-21swapper/109:30:331
13311993513,20cyclictest0-21swapper/111:35:201
13311993513,19cyclictest0-21swapper/111:10:321
1331099358,25cyclictest0-21swapper/008:07:460
1331099353,21cyclictest0-21swapper/012:30:160
1331099353,21cyclictest0-21swapper/012:30:160
13310993511,21cyclictest0-21swapper/011:25:310
6242345,12sleep30-21swapper/309:08:413
42212345,10sleep30-21swapper/308:00:203
224292345,10sleep20-21swapper/207:27:472
223242345,10sleep30-21swapper/307:26:283
221622345,12sleep10-21swapper/108:41:201
205672345,10sleep20-21swapper/208:40:092
182412345,10sleep20-21swapper/207:18:532
150742344,13sleep10-21swapper/107:10:501
13313993416,16cyclictest0-21swapper/310:36:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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