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2026-04-30 - 03:03
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot2.osadl.org (updated Thu Apr 30, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91725121000,1sleep7917252-21cut20:19:187
13353422940,1sleep71335344-21grep00:19:117
776870995351,2cyclictest1137640-21kworker/u16:0+events_unbound22:09:256
776870995149,2cyclictest790444-21kworker/u16:2+events_unbound19:29:146
776870995149,2cyclictest790444-21kworker/u16:2+events_unbound19:29:146
776868995047,2cyclictest856158-21kworker/u16:1+flush-8:019:49:145
776870994947,2cyclictest1026401-21kworker/u16:0+events_unbound21:19:296
77639724737,7sleep50-21swapper/519:06:255
776868994644,2cyclictest942466-21kworker/u16:5+flush-8:021:34:155
776868994644,2cyclictest1197897-21kworker/u16:1+flush-8:023:39:215
776868994643,2cyclictest1095245-21kworker/u16:2+flush-8:022:39:155
776870994442,2cyclictest942466-21kworker/u16:5+events_unbound20:44:306
776870994442,2cyclictest1026401-21kworker/u16:0+events_unbound21:29:296
776868994442,2cyclictest1095245-21kworker/u16:2+events_unbound21:59:155
776868994240,2cyclictest1095245-21kworker/u16:2+events_unbound22:19:175
776870994138,2cyclictest798701-21kworker/u16:3+events_unbound19:34:176
77649224130,8sleep40-21swapper/419:07:454
776870994038,1cyclictest1168025-21kworker/u16:4+events_unbound23:29:156
776868994038,2cyclictest1095245-21kworker/u16:2+events_unbound23:11:185
776868994038,2cyclictest1095245-21kworker/u16:2+events_unbound23:06:135
776868994038,2cyclictest1095245-21kworker/u16:2+events_unbound23:06:135
776868994038,2cyclictest1095245-21kworker/u16:2+events_unbound21:45:505
7750572403,30sleep70-21swapper/719:04:277
776870993937,2cyclictest856158-21kworker/u16:1+events_unbound20:04:136
776868993937,2cyclictest1331531-21kworker/u16:0+events_unbound00:20:255
776868993937,2cyclictest1318844-21kworker/u16:2+events_unbound00:15:145
776868993937,2cyclictest1197897-21kworker/u16:1+events_unbound22:50:415
776868993937,2cyclictest1137640-21kworker/u16:0+events_unbound22:37:065
776868993936,2cyclictest1095245-21kworker/u16:2+flush-8:021:56:535
776870993836,2cyclictest1304780-21kworker/u16:4+flush-8:023:59:126
776870993836,2cyclictest1095245-21kworker/u16:2+events_unbound23:13:546
776868993836,2cyclictest790444-21kworker/u16:2+flush-8:019:39:245
776868993836,2cyclictest1331531-21kworker/u16:0+events_unbound00:34:495
776868993836,2cyclictest1168025-21kworker/u16:4+events_unbound23:30:495
776868993836,2cyclictest1095245-21kworker/u16:2+events_unbound23:50:415
776868993835,2cyclictest1095245-21kworker/u16:2+events_unbound22:54:225
776870993735,2cyclictest933993-21kworker/u16:3+flush-8:020:34:176
776870993735,2cyclictest898895-21kworker/u16:0+events_unbound20:29:256
776870993735,2cyclictest713810-21kworker/u16:4+events_unbound19:15:116
776870993735,2cyclictest1095245-21kworker/u16:2+events_unbound23:01:186
776870993735,2cyclictest1095245-21kworker/u16:2+events_unbound22:55:506
776868993735,2cyclictest942466-21kworker/u16:5+flush-8:021:33:025
776868993735,2cyclictest856158-21kworker/u16:1+flush-8:019:59:285
776868993735,2cyclictest1318844-21kworker/u16:2+events_unbound00:12:055
776868993735,2cyclictest1197897-21kworker/u16:1+events_unbound23:46:385
776868993735,2cyclictest1197897-21kworker/u16:1+events_unbound23:46:385
776868993735,2cyclictest1095245-21kworker/u16:2+events_unbound23:23:545
776868993735,2cyclictest1000777-21kworker/u16:2+flush-8:021:04:325
776868993734,2cyclictest790444-21kworker/u16:2+flush-8:019:24:155
776868993734,2cyclictest1095245-21kworker/u16:2+events_unbound23:24:145
776870993634,2cyclictest972656-21kworker/u16:1+events_unbound21:49:156
776870993634,2cyclictest942466-21kworker/u16:5+events_unbound21:59:136
776870993634,2cyclictest1197897-21kworker/u16:1+events_unbound23:08:486
776870993634,2cyclictest1197897-21kworker/u16:1+events_unbound23:08:486
776870993634,2cyclictest1168025-21kworker/u16:4+events_unbound23:15:346
776870993634,2cyclictest1137640-21kworker/u16:0+events_unbound22:38:346
776870993634,2cyclictest1095245-21kworker/u16:2+events_unbound22:26:416
776870993634,2cyclictest1095245-21kworker/u16:2+events_unbound22:26:416
776868993634,2cyclictest972656-21kworker/u16:1+flush-8:021:20:015
776868993634,2cyclictest972656-21kworker/u16:1+events_unbound21:17:025
776868993634,2cyclictest856158-21kworker/u16:1+events_unbound19:44:305
776868993634,2cyclictest1274392-21kworker/u16:0+events_unbound00:07:495
776868993634,2cyclictest1197897-21kworker/u16:1+events_unbound23:18:265
776868993634,2cyclictest1095245-21kworker/u16:2+events_unbound21:50:185
776868993633,2cyclictest1197897-21kworker/u16:1+events_unbound23:34:415
776868993633,2cyclictest1137640-21kworker/u16:0+events_unbound22:15:055
776868993633,2cyclictest1095245-21kworker/u16:2+events_unbound22:24:225
776868993633,2cyclictest1095245-21kworker/u16:2+events_unbound22:24:225
776870993533,2cyclictest972656-21kworker/u16:1+flush-8:021:38:586
776870993533,2cyclictest972656-21kworker/u16:1+events_unbound21:14:206
776870993533,2cyclictest885228-21kworker/u16:3+flush-8:020:14:176
776870993533,2cyclictest1274392-21kworker/u16:0+events_unbound00:05:106
776870993532,2cyclictest972656-21kworker/u16:1+events_unbound22:05:506
776868993533,2cyclictest972656-21kworker/u16:1+events_unbound21:24:325
776868993533,2cyclictest933467-21kworker/u16:2+events_unbound20:28:385
776868993533,2cyclictest790444-21kworker/u16:2+flush-8:019:29:205
776868993533,2cyclictest790444-21kworker/u16:2+flush-8:019:29:205
776868993533,2cyclictest1318844-21kworker/u16:2+events_unbound00:24:045
776868993533,2cyclictest1197897-21kworker/u16:1+events_unbound23:55:185
776868993533,2cyclictest1197897-21kworker/u16:1+events_unbound23:00:295
776868993533,2cyclictest1137640-21kworker/u16:0+events_unbound22:30:535
776870993432,2cyclictest942466-21kworker/u16:5+events_unbound21:25:136
776870993432,2cyclictest1318844-21kworker/u16:2+events_unbound00:15:066
776870993432,2cyclictest1095245-21kworker/u16:2+events_unbound22:22:586
776870993432,2cyclictest1000777-21kworker/u16:2+flush-8:021:04:196
776870993431,2cyclictest972656-21kworker/u16:1+events_unbound20:54:146
776868993432,2cyclictest942466-21kworker/u16:5+flush-8:020:54:155
776868993432,2cyclictest942466-21kworker/u16:5+events_unbound21:42:255
776868993432,2cyclictest1137640-21kworker/u16:0+events_unbound22:13:495
776870993331,2cyclictest1344910-21kworker/u16:3+events_unbound00:32:146
776870993331,2cyclictest1137641-21kworker/u16:3+events_unbound22:15:586
776870993331,2cyclictest1095245-21kworker/u16:2+events_unbound23:37:496
776870993331,2cyclictest1095245-21kworker/u16:2+events_unbound22:52:216
776870993330,2cyclictest1197897-21kworker/u16:1+flush-8:023:24:106
776868993331,2cyclictest942466-21kworker/u16:5+events_unbound21:13:275
776868993331,2cyclictest1331531-21kworker/u16:0+events_unbound00:32:305
776868993331,2cyclictest1168025-21kworker/u16:4+events_unbound22:45:305
776870993230,2cyclictest885228-21kworker/u16:3+events_unbound20:09:146
776870993230,2cyclictest1318844-21kworker/u16:2+events_unbound00:23:336
776870993230,2cyclictest1168025-21kworker/u16:4+events_unbound23:20:416
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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