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2025-10-19 - 21:44
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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 highest latencies:
System rackdslot3.osadl.org (updated Sun Oct 19, 2025 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321752206173,22sleep10-21swapper/107:05:071
137191205171,23phc2sys0-21swapper/307:09:203
16612203169,23sleep20-21swapper/207:06:522
15812201167,23sleep00-21swapper/007:05:490
136991790,1ptp4l391rcuc/308:40:183
136991780,1ptp4l391rcuc/310:05:163
136991750,1ptp4l391rcuc/312:05:193
136991750,1ptp4l391rcuc/311:30:203
136991750,1ptp4l391rcuc/307:40:243
136991740,2ptp4l391rcuc/310:50:183
136991740,1ptp4l391rcuc/311:40:303
136991740,1ptp4l391rcuc/309:57:063
136991730,1ptp4l391rcuc/310:45:153
136991670,1ptp4l391rcuc/312:10:393
136991670,1ptp4l0-21swapper/312:01:203
136991670,1ptp4l0-21swapper/309:31:443
136991660,1ptp4l391rcuc/311:50:343
136991660,1ptp4l391rcuc/308:12:263
136991660,1ptp4l391rcuc/308:12:263
136991640,1ptp4l391rcuc/307:10:283
136991630,1ptp4l391rcuc/311:23:353
2220996213,11cyclictest11137-21/usr/sbin/munin09:40:211
2220995911,11cyclictest29761-21sshd11:25:341
2220995910,11cyclictest13509-21/usr/sbin/munin09:45:221
2220995812,11cyclictest3605-21grep07:10:271
2220995712,11cyclictest3808-21/usr/sbin/munin08:20:181
2220995712,11cyclictest1006-21netstat09:20:221
2220995711,12cyclictest23659-21chrt12:20:471
2220995710,14cyclictest26035-21chrt12:25:481
136991570,1ptp4l391rcuc/312:22:593
136991570,1ptp4l391rcuc/309:20:273
2220995611,9cyclictest22281-21/usr/sbin/munin11:10:261
2220995610,12cyclictest11727-21sed07:30:011
2220995610,12cyclictest11727-21sed07:30:011
2220995610,11cyclictest7134-21chrt11:48:061
136991560,1ptp4l391rcuc/311:48:313
136991560,1ptp4l391rcuc/311:19:493
136991560,1ptp4l391rcuc/309:36:423
136991560,1ptp4l391rcuc/309:16:493
136991560,1ptp4l391rcuc/307:25:203
136991560,1ptp4l391rcuc/307:25:203
2220995510,12cyclictest16692-21taskset09:51:371
136991550,1ptp4l391rcuc/311:29:533
136991550,1ptp4l391rcuc/311:11:123
136991550,1ptp4l391rcuc/310:40:183
136991550,1ptp4l391rcuc/310:19:033
136991550,1ptp4l391rcuc/309:49:133
136991550,1ptp4l391rcuc/309:06:273
136991550,1ptp4l391rcuc/308:59:383
136991550,1ptp4l391rcuc/308:59:383
136991550,1ptp4l391rcuc/308:52:203
136991550,1ptp4l391rcuc/308:31:583
136991550,1ptp4l391rcuc/307:47:183
136991550,1ptp4l391rcuc/307:37:523
222099549,11cyclictest9913-21grep11:55:131
2220995410,11cyclictest4649-21seq11:41:391
221999544,8cyclictest9-21ksoftirqd/011:50:270
209142540,1sleep30-21swapper/310:00:233
136991540,1ptp4l391rcuc/312:34:083
136991540,1ptp4l391rcuc/312:26:033
136991540,1ptp4l391rcuc/311:37:153
136991540,1ptp4l391rcuc/309:44:373
136991540,1ptp4l391rcuc/309:10:363
136991540,1ptp4l391rcuc/308:39:433
136991540,1ptp4l391rcuc/308:08:273
136991540,1ptp4l391rcuc/307:34:133
222099538,43cyclictest24779-21kworker/1:212:31:071
222099537,9cyclictest15525-21chrt10:56:431
2220995311,10cyclictest17210-21/usr/sbin/munin07:40:211
136991530,1ptp4l391rcuc/312:18:063
136991530,1ptp4l391rcuc/312:18:053
136991530,1ptp4l391rcuc/311:03:413
136991530,1ptp4l391rcuc/310:38:393
136991530,1ptp4l391rcuc/310:26:323
136991530,1ptp4l391rcuc/309:53:333
136991530,1ptp4l391rcuc/309:28:023
136991530,1ptp4l391rcuc/308:16:343
136991530,1ptp4l391rcuc/307:54:553
136991530,1ptp4l391rcuc/307:23:543
2220995211,10cyclictest8016-21seq08:30:031
2220995211,10cyclictest30591-21seq08:09:491
2220995210,12cyclictest31685-21seq09:15:481
2220995210,11cyclictest16578-21seq12:07:141
136991520,1ptp4l391rcuc/312:39:113
136991520,1ptp4l391rcuc/310:34:213
136991520,1ptp4l391rcuc/310:23:033
136991520,1ptp4l391rcuc/309:00:353
136991520,1ptp4l391rcuc/308:20:283
136991520,1ptp4l391rcuc/308:02:093
136991520,1ptp4l391rcuc/307:59:133
2220995112,10cyclictest8921-21seq07:21:541
2220995111,9cyclictest31027-21chrt12:39:041
2220995111,9cyclictest2468-21seq11:39:221
2220995111,11cyclictest12198-21seq08:35:521
2220995111,10cyclictest405-21chrt08:13:351
2220995111,10cyclictest405-21chrt08:13:351
2220995110,10cyclictest20814-21seq07:47:061
178062510,4sleep117811-21irqrtprio12:10:191
136991510,1ptp4l391rcuc/311:55:513
136991510,1ptp4l391rcuc/310:59:513
136991510,1ptp4l391rcuc/310:11:073
136991510,1ptp4l391rcuc/308:26:203
222099509,9cyclictest24580-21taskset09:03:421
222099509,8cyclictest18075-21chrt11:03:441
222099507,9cyclictest23451-21runrttasks07:54:471
2220995011,9cyclictest25094-21chrt11:16:451
2220995011,16cyclictest29142-21seq10:20:031
2220995011,10cyclictest7567-21seq08:27:171
2220995010,16cyclictest19175-21seq09:58:041
2220995010,11cyclictest22274-21taskset08:59:471
2220995010,11cyclictest22274-21taskset08:59:471
2220995010,11cyclictest21518-21chrt10:02:221
221999504,8cyclictest9-21ksoftirqd/009:30:290
221999503,8cyclictest9-21ksoftirqd/007:35:180
222099499,9cyclictest32163-21taskset11:30:531
222099499,10cyclictest8221-21seq10:42:001
222099498,12cyclictest16036-21taskset07:36:561
2220994911,16cyclictest10766-21chrt10:49:171
2220994910,9cyclictest9532-21chrt11:53:261
222099489,8cyclictest17469-21chrt08:49:411
222099489,11cyclictest24357-21cat07:55:151
222099489,10cyclictest6012-21taskset10:39:211
222099488,8cyclictest13176-21taskset10:52:011
2220994811,17cyclictest28142-21chrt08:03:481
2220994810,8cyclictest2724-21chrt08:16:161
2220994810,19cyclictest29482-21chrt09:12:561
2220994810,11cyclictest21361-21chrt12:17:431
2220994810,11cyclictest21361-21chrt12:17:421
2220994810,10cyclictest28800-21chrt10:18:481
221999484,6cyclictest9-21ksoftirqd/012:15:250
221999484,6cyclictest9-21ksoftirqd/012:15:250
2219994845,2cyclictest111rcuc/008:05:000
221999483,6cyclictest9-21ksoftirqd/011:55:160
221999482,6cyclictest9-21ksoftirqd/011:40:000
2221994742,3cyclictest33-21ksoftirqd/211:20:002
222099478,9cyclictest27623-21taskset11:23:311
2220994711,17cyclictest26853-21chrt09:07:231
2220994711,11cyclictest4330-21chrt09:25:471
221999474,9cyclictest9-21ksoftirqd/010:50:140
221999474,7cyclictest9-21ksoftirqd/011:25:170
221999472,6cyclictest9-21ksoftirqd/010:40:280
221999472,6cyclictest9-21ksoftirqd/010:25:250
221999471,5cyclictest9-21ksoftirqd/012:10:170
222099469,8cyclictest13713-21taskset07:32:351
222099468,8cyclictest9577-21chrt09:36:511
222099468,8cyclictest20257-21taskset11:06:171
222099468,8cyclictest1103-21taskset10:28:211
222099468,12cyclictest19686-21taskset08:52:411
2220994611,9cyclictest14898-21chrt08:44:521
2220994610,16cyclictest24002-21chrt10:08:081
221999467,6cyclictest9-21ksoftirqd/007:20:220
221999465,6cyclictest9-21ksoftirqd/011:15:000
221999457,5cyclictest9-21ksoftirqd/008:25:250
2219994542,2cyclictest111rcuc/007:18:480
221999453,5cyclictest9-21ksoftirqd/009:05:210
221999452,4cyclictest9-21ksoftirqd/007:30:360
221999451,6cyclictest9-21ksoftirqd/012:30:000
2219994441,2cyclictest111rcuc/011:24:230
2219994440,2cyclictest111rcuc/010:18:110
221999442,6cyclictest9-21ksoftirqd/008:10:230
221999442,6cyclictest9-21ksoftirqd/008:10:220
221999441,7cyclictest9-21ksoftirqd/008:35:220
2219994413,3cyclictest9-21ksoftirqd/010:56:290
221999440,6cyclictest101ktimersoftd/011:40:240
2219994339,2cyclictest111rcuc/012:08:410
221999431,6cyclictest9-21ksoftirqd/009:11:180
221999430,6cyclictest101ktimersoftd/007:30:010
221999430,6cyclictest101ktimersoftd/007:30:010
2221994237,3cyclictest33-21ksoftirqd/207:20:002
221999425,5cyclictest8205-21cpuspeed_turbos08:30:150
2219994239,2cyclictest111rcuc/011:32:210
221999423,5cyclictest9-21ksoftirqd/011:15:170
221999423,5cyclictest9-21ksoftirqd/010:30:190
221999422,5cyclictest9-21ksoftirqd/011:00:520
2219994217,5cyclictest9-21ksoftirqd/012:00:170
2219994213,4cyclictest9-21ksoftirqd/009:23:220
221999417,5cyclictest9-21ksoftirqd/011:05:160
221999417,5cyclictest9-21ksoftirqd/008:20:310
221999414,4cyclictest9-21ksoftirqd/008:54:500
2219994137,2cyclictest111rcuc/010:05:270
221999412,7cyclictest9-21ksoftirqd/009:18:280
2219994114,3cyclictest9-21ksoftirqd/009:45:200
2221994034,3cyclictest33-21ksoftirqd/209:25:012
221999406,5cyclictest9-21ksoftirqd/009:55:280
2219994036,2cyclictest111rcuc/008:19:380
221999402,6cyclictest9-21ksoftirqd/009:39:590
221999402,5cyclictest9-21ksoftirqd/008:05:210
221999402,5cyclictest9-21ksoftirqd/007:55:180
221999401,7cyclictest9-21ksoftirqd/012:35:240
2219994013,3cyclictest9-21ksoftirqd/012:33:500
221999400,5cyclictest9-21ksoftirqd/009:02:040
2221993935,3cyclictest33-21ksoftirqd/210:15:002
2221993933,3cyclictest33-21ksoftirqd/210:50:002
2221993927,10cyclictest33-21ksoftirqd/207:20:172
222099399,11cyclictest5092-21dpkg09:30:011
221999398,5cyclictest9-21ksoftirqd/007:40:180
221999396,5cyclictest9-21ksoftirqd/012:20:240
221999396,5cyclictest9-21ksoftirqd/009:25:190
221999395,6cyclictest9-21ksoftirqd/010:24:550
2219993916,5cyclictest9-21ksoftirqd/008:47:030
2219993912,3cyclictest9-21ksoftirqd/011:47:280
136991390,1ptp4l391rcuc/307:15:253
2221993833,3cyclictest33-21ksoftirqd/212:25:002
2221993833,3cyclictest33-21ksoftirqd/209:25:012
2220993811,11cyclictest3618-21chrt10:34:031
2220993810,9cyclictest223-21systemd-journal12:00:381
221999385,8cyclictest9-21ksoftirqd/007:50:140
221999383,6cyclictest9-21ksoftirqd/007:14:420
221999383,5cyclictest9-21ksoftirqd/009:54:350
221999381,5cyclictest9-21ksoftirqd/009:40:180
2221993732,3cyclictest33-21ksoftirqd/211:04:592
2221993731,4cyclictest33-21ksoftirqd/211:11:432
2221993731,4cyclictest33-21ksoftirqd/208:28:242
2221993731,3cyclictest33-21ksoftirqd/210:35:002
221999371,6cyclictest9-21ksoftirqd/010:45:200
221999371,5cyclictest9-21ksoftirqd/007:46:530
222199363,5cyclictest21970-21cat10:05:012
2221993633,2cyclictest33-21ksoftirqd/209:15:002
2221993632,3cyclictest33-21ksoftirqd/209:35:002
2221993632,3cyclictest33-21ksoftirqd/208:50:182
2221993632,3cyclictest33-21ksoftirqd/208:45:002
2221993632,3cyclictest33-21ksoftirqd/208:15:002
2221993632,3cyclictest33-21ksoftirqd/208:14:592
2221993632,3cyclictest33-21ksoftirqd/208:00:002
2221993631,3cyclictest33-21ksoftirqd/211:55:002
2221993631,3cyclictest33-21ksoftirqd/210:24:592
2221993631,3cyclictest33-21ksoftirqd/208:03:572
2221993630,4cyclictest33-21ksoftirqd/210:18:032
2221993630,4cyclictest33-21ksoftirqd/209:51:132
2221993630,4cyclictest33-21ksoftirqd/209:06:432
2221993629,5cyclictest33-21ksoftirqd/210:51:252
2221993625,9cyclictest33-21ksoftirqd/208:05:172
2221993618,5cyclictest33-21ksoftirqd/212:05:322
221999365,8cyclictest9-21ksoftirqd/010:00:240
2221993531,3cyclictest33-21ksoftirqd/211:05:172
2221993531,3cyclictest33-21ksoftirqd/208:20:222
2221993531,3cyclictest33-21ksoftirqd/208:15:212
2221993531,3cyclictest33-21ksoftirqd/207:42:402
2221993530,3cyclictest33-21ksoftirqd/211:30:182
2221993530,3cyclictest33-21ksoftirqd/210:35:222
2221993530,3cyclictest33-21ksoftirqd/209:55:162
2221993529,4cyclictest33-21ksoftirqd/211:41:402
2221993529,4cyclictest33-21ksoftirqd/210:58:312
2221993529,4cyclictest33-21ksoftirqd/210:08:412
2221993529,4cyclictest33-21ksoftirqd/208:32:172
2221993529,4cyclictest33-21ksoftirqd/207:26:462
2221993529,4cyclictest33-21ksoftirqd/207:26:462
2221993529,4cyclictest33-21ksoftirqd/207:10:132
2221993518,4cyclictest33-21ksoftirqd/210:25:292
221999356,3cyclictest9-21ksoftirqd/010:35:280
2221993429,3cyclictest33-21ksoftirqd/211:50:012
2221993429,3cyclictest33-21ksoftirqd/209:44:592
2221993428,4cyclictest33-21ksoftirqd/207:46:442
2220993428,4cyclictest25-21ksoftirqd/110:14:591
2219993431,2cyclictest111rcuc/008:42:430
2221993329,3cyclictest33-21ksoftirqd/211:25:212
2221993329,2cyclictest33-21ksoftirqd/209:15:152
2221993329,2cyclictest33-21ksoftirqd/209:00:222
2221993328,3cyclictest33-21ksoftirqd/212:35:192
2221993328,3cyclictest33-21ksoftirqd/212:30:162
2221993328,3cyclictest33-21ksoftirqd/211:40:002
2221993328,3cyclictest33-21ksoftirqd/210:40:182
2221993328,3cyclictest33-21ksoftirqd/209:39:592
2221993328,3cyclictest33-21ksoftirqd/208:35:192
2221993327,4cyclictest33-21ksoftirqd/212:13:532
2221993327,4cyclictest33-21ksoftirqd/208:58:532
2221993327,4cyclictest33-21ksoftirqd/208:58:532
2221993327,4cyclictest33-21ksoftirqd/208:48:382
2221993327,3cyclictest33-21ksoftirqd/212:15:212
2221993327,3cyclictest33-21ksoftirqd/212:15:212
2221993327,3cyclictest33-21ksoftirqd/207:35:152
2222993229,1cyclictest136991ptp4l11:08:503
2222993229,1cyclictest136991ptp4l08:49:353
2221993228,3cyclictest33-21ksoftirqd/209:45:192
2221993227,3cyclictest33-21ksoftirqd/211:25:002
2219993228,3cyclictest111rcuc/008:58:530
2219993228,3cyclictest111rcuc/008:58:530
2221993127,3cyclictest33-21ksoftirqd/207:50:142
2221993126,3cyclictest33-21ksoftirqd/207:30:142
2221993125,4cyclictest33-21ksoftirqd/212:28:272
2220993123,5cyclictest25-21ksoftirqd/107:19:551
2219993128,2cyclictest111rcuc/010:10:400
2221993025,3cyclictest33-21ksoftirqd/211:55:192
2221992925,3cyclictest33-21ksoftirqd/212:04:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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