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2026-09-14 - 19:18
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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 Mon Sep 14, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
913212264,53sleep30-21swapper/307:06:273
907211353,20sleep20-21swapper/207:06:212
1214210850,52sleep10-21swapper/107:09:341
1051210650,51sleep00-21swapper/007:07:390
1352995715,18cyclictest0-21swapper/211:18:502
311322560,1sleep323413-21stress10:39:383
1352995512,24cyclictest0-21swapper/212:24:032
1352995510,22cyclictest0-21swapper/211:07:372
1352995414,20cyclictest0-21swapper/210:20:232
135299539,20cyclictest0-21swapper/211:20:532
1352995315,35cyclictest0-21swapper/209:31:452
1352995315,35cyclictest0-21swapper/209:31:452
1352995312,21cyclictest0-21swapper/211:40:202
1352995211,21cyclictest0-21swapper/211:29:072
1352995211,21cyclictest0-21swapper/211:29:072
1350995217,25cyclictest0-21swapper/010:20:290
1352995117,16cyclictest0-21swapper/208:01:482
1352995117,12cyclictest0-21swapper/211:37:462
135099513,25cyclictest23413-21stress09:21:180
135299505,28cyclictest0-21swapper/208:23:472
1352995017,17cyclictest0-21swapper/207:20:172
1352995016,13cyclictest0-21swapper/209:58:162
1352995016,13cyclictest0-21swapper/209:44:312
1352995016,11cyclictest0-21swapper/207:13:272
1352995015,18cyclictest0-21swapper/209:10:232
1352995013,14cyclictest0-21swapper/209:16:362
1352994915,13cyclictest0-21swapper/209:54:362
135099496,26cyclictest0-21swapper/011:15:170
1352994814,13cyclictest0-21swapper/209:22:402
1352994813,15cyclictest0-21swapper/211:30:162
1352994813,14cyclictest0-21swapper/211:00:202
1352994813,14cyclictest0-21swapper/211:00:202
1352994811,18cyclictest0-21swapper/212:30:392
135099483,35cyclictest23413-21stress09:13:450
135099483,29cyclictest1899-21runrttasks10:39:060
135299476,20cyclictest0-21swapper/210:15:102
135299476,20cyclictest0-21swapper/210:15:102
135299475,23cyclictest0-21swapper/207:25:072
135299475,12cyclictest0-21swapper/208:55:572
135099477,22cyclictest0-21swapper/012:05:180
135099476,31cyclictest0-21swapper/009:45:330
135099476,30cyclictest0-21swapper/011:45:160
135099473,29cyclictest23411-21stress09:50:220
1352994616,12cyclictest0-21swapper/212:10:192
1352994616,11cyclictest0-21swapper/209:00:382
1352994614,12cyclictest0-21swapper/210:50:272
1352994614,12cyclictest0-21swapper/210:50:262
135099465,26cyclictest23413-21stress10:32:470
135099463,27cyclictest25984-21cut09:15:110
135099463,27cyclictest23413-21stress10:55:370
135099462,25cyclictest23413-21stress10:14:580
135099462,25cyclictest23413-21stress10:14:580
135299455,24cyclictest0-21swapper/208:33:182
1352994510,17cyclictest0-21swapper/212:25:172
135099455,32cyclictest0-21swapper/008:25:120
135099453,33cyclictest1899-21runrttasks07:53:130
135099453,26cyclictest23413-21stress12:27:100
135099453,26cyclictest23411-21stress12:15:220
135099453,25cyclictest23413-21stress10:06:420
135099452,33cyclictest23413-21stress10:49:520
135099452,33cyclictest23413-21stress10:49:510
135099452,33cyclictest23411-21stress11:54:570
135099452,32cyclictest23411-21stress10:40:320
1350994518,24cyclictest0-21swapper/011:36:320
1350994516,26cyclictest0-21swapper/011:27:170
1350994516,26cyclictest0-21swapper/011:27:160
1350994516,22cyclictest0-21swapper/011:05:440
1350994516,19cyclictest0-21swapper/011:00:180
1350994516,19cyclictest0-21swapper/011:00:180
178062440,1sleep123411-21stress10:09:371
135099443,32cyclictest23411-21stress12:04:560
135099443,32cyclictest23411-21stress12:04:550
135099443,28cyclictest1899-21runrttasks08:11:080
135099443,26cyclictest4193-21basename10:50:190
135099443,26cyclictest4193-21basename10:50:180
135099443,26cyclictest23413-21stress12:20:120
135099443,26cyclictest23411-21stress10:00:290
135099443,25cyclictest23413-21stress10:25:090
135099443,25cyclictest23413-21stress10:15:230
135099443,25cyclictest23413-21stress10:15:230
135099442,32cyclictest23413-21stress11:12:100
135099442,32cyclictest23413-21stress09:25:350
135099442,25cyclictest23413-21stress09:41:390
1350994420,21cyclictest0-21swapper/012:13:210
1352994314,12cyclictest0-21swapper/212:05:292
1352994313,12cyclictest0-21swapper/210:00:032
135099433,27cyclictest1899-21runrttasks08:03:580
135099433,27cyclictest17807-21runrttasks07:44:580
135099433,25cyclictest23413-21stress09:39:240
135099433,25cyclictest23413-21stress09:39:240
135099433,25cyclictest23413-21stress09:34:330
135099433,25cyclictest23413-21stress09:34:330
1350994320,20cyclictest0-21swapper/012:30:320
1350994316,25cyclictest0-21swapper/009:55:540
1350994315,25cyclictest0-21swapper/011:30:160
135099431,28cyclictest1899-21runrttasks08:05:260
135299427,18cyclictest0-21swapper/210:05:342
135299425,23cyclictest0-21swapper/208:45:142
135099425,25cyclictest0-21swapper/008:15:240
135099425,25cyclictest0-21swapper/007:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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