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2025-11-30 - 23:55
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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 Sun Nov 30, 2025 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32306212965,58sleep30-21swapper/307:06:323
32251212056,23sleep20-21swapper/207:05:502
32226211555,55sleep10-21swapper/107:05:331
32362210450,23sleep00-21swapper/007:07:130
190512820,4sleep20-21swapper/211:30:222
32686995711,25cyclictest0-21swapper/109:46:301
32686995515,18cyclictest0-21swapper/111:37:261
32686995514,19cyclictest0-21swapper/112:13:081
32686995415,19cyclictest0-21swapper/112:32:121
32686995411,20cyclictest0-21swapper/110:09:561
32686995215,15cyclictest0-21swapper/111:24:001
32686995215,15cyclictest0-21swapper/111:23:591
32686995215,15cyclictest0-21swapper/109:37:121
32686995215,15cyclictest0-21swapper/109:37:121
32686995116,14cyclictest0-21swapper/110:26:251
32686995115,14cyclictest0-21swapper/110:55:161
32686994915,14cyclictest0-21swapper/110:10:291
32686994915,14cyclictest0-21swapper/110:10:291
32686994913,17cyclictest0-21swapper/112:05:181
32686994913,14cyclictest0-21swapper/109:55:281
32686994813,19cyclictest0-21swapper/112:15:041
32686994713,17cyclictest0-21swapper/111:30:221
32686994711,14cyclictest0-21swapper/109:05:231
32686994711,14cyclictest0-21swapper/109:05:231
97552420,1sleep321510-21stress12:24:433
32689994211,28cyclictest0-21swapper/211:00:302
32689994210,29cyclictest0-21swapper/209:15:592
32689994111,27cyclictest0-21swapper/210:55:082
32689994110,28cyclictest0-21swapper/210:21:122
32689994110,28cyclictest0-21swapper/209:20:252
32689994012,25cyclictest0-21swapper/211:11:182
32689994011,26cyclictest0-21swapper/212:05:292
32689994011,26cyclictest0-21swapper/211:05:402
32689993913,23cyclictest0-21swapper/210:12:532
32689993913,23cyclictest0-21swapper/210:12:522
32689993911,25cyclictest0-21swapper/210:25:132
3268499399,27cyclictest0-21swapper/012:28:530
3652380,1sleep321512-21stress10:48:503
3652380,1sleep321512-21stress10:48:503
32689993810,25cyclictest0-21swapper/211:20:322
32689993810,25cyclictest0-21swapper/211:20:322
32684993814,21cyclictest0-21swapper/009:29:230
140002385,13sleep30-21swapper/307:37:393
78812374,14sleep20-21swapper/208:36:212
52482374,14sleep30-21swapper/307:18:383
34352375,13sleep20-21swapper/207:15:092
32699993715,19cyclictest0-21swapper/310:04:453
32689993715,20cyclictest0-21swapper/210:15:152
32689993714,20cyclictest0-21swapper/211:50:162
32684993715,19cyclictest0-21swapper/011:25:100
32684993715,19cyclictest0-21swapper/011:25:100
295322375,13sleep30-21swapper/308:13:453
229222375,13sleep20-21swapper/207:58:272
213652375,13sleep30-21swapper/309:09:143
213652375,13sleep30-21swapper/309:09:143
15022375,13sleep30-21swapper/308:24:073
12752375,13sleep20-21swapper/208:21:212
124032374,13sleep20-21swapper/208:47:482
97402365,12sleep30-21swapper/307:29:423
97402365,12sleep30-21swapper/307:29:423
74792364,13sleep00-21swapper/007:23:580
58602365,13sleep30-21swapper/308:33:453
3268999368,25cyclictest0-21swapper/212:35:162
314382364,13sleep20-21swapper/208:15:312
22022365,12sleep20-21swapper/207:12:562
21982365,13sleep30-21swapper/307:12:543
21652365,14sleep00-21swapper/007:12:260
145272364,13sleep30-21swapper/308:51:333
101722365,13sleep00-21swapper/008:42:250
57382355,12sleep00-21swapper/008:32:100
3268999358,24cyclictest0-21swapper/210:45:192
3268999358,24cyclictest0-21swapper/210:45:182
32689993514,19cyclictest0-21swapper/211:35:342
32689993512,20cyclictest0-21swapper/210:35:432
32686993515,18cyclictest0-21swapper/110:20:061
32686993510,22cyclictest0-21swapper/110:35:101
3268499358,23cyclictest0-21swapper/010:51:130
32684993517,15cyclictest0-21swapper/012:00:430
32684993517,15cyclictest0-21swapper/012:00:430
32684993513,19cyclictest0-21swapper/010:11:070
32684993513,19cyclictest0-21swapper/010:11:060
32684993510,22cyclictest0-21swapper/010:30:230
185842354,13sleep30-21swapper/307:49:473
144782354,12sleep30-21swapper/307:40:083
138832355,11sleep00-21swapper/007:36:130
32699993412,19cyclictest0-21swapper/311:15:363
32699993411,20cyclictest0-21swapper/311:13:303
3268999347,24cyclictest0-21swapper/209:25:352
32689993413,12cyclictest0-21swapper/210:40:212
32689993411,20cyclictest0-21swapper/209:50:112
32686993411,20cyclictest0-21swapper/112:35:041
3268499349,22cyclictest0-21swapper/009:24:000
32684993415,16cyclictest0-21swapper/012:05:390
272912344,11sleep20-21swapper/208:08:102
189332345,11sleep00-21swapper/009:01:210
160752343,12sleep20-21swapper/207:41:122
144992345,10sleep20-21swapper/208:51:132
124192345,11sleep30-21swapper/308:48:013
97662335,11sleep00-21swapper/007:29:590
97662335,11sleep00-21swapper/007:29:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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