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2026-05-26 - 22:01
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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 Tue May 26, 2026 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194562207173,22sleep30-21swapper/307:08:243
193972206173,22sleep10-21swapper/107:07:381
195082204171,22sleep00-21swapper/007:09:050
193712204171,22sleep20-21swapper/207:07:192
3164621430,3sleep11988099cyclictest08:40:201
139391650,1ptp4l401ktimersoftd/307:15:233
1988099622,58cyclictest0-21swapper/107:26:141
1988099622,58cyclictest0-21swapper/107:26:131
1988099599,11cyclictest16142-21date08:10:001
1988099599,10cyclictest6099-21latency_hist12:20:011
139391580,1ptp4l401ktimersoftd/309:50:193
1988099579,15cyclictest26505-21chrt07:20:491
19880995710,10cyclictest14623-21cat12:35:211
1988099569,11cyclictest22852-21irqrtprio09:30:191
1988099566,10cyclictest0-21swapper/112:30:221
139391560,1ptp4l401ktimersoftd/311:28:063
1988099548,15cyclictest22533-21ls10:35:271
1988099538,13cyclictest21985-21apt-get11:45:111
1987999527,21cyclictest13224-21awk08:00:270
171132510,5sleep210003-1kworker/2:2H09:20:012
19881994742,3cyclictest1308-21sshd10:09:372
1988099470,14cyclictest14799-21apt-get11:30:101
1988099469,7cyclictest18195-21meminfo11:35:191
1988099469,7cyclictest12186-21irqstats10:15:171
311922450,2sleep30-21swapper/310:55:173
1988099440,13cyclictest26397-21sshd09:38:181
139391440,1ptp4l401ktimersoftd/310:45:503
57898430,2rtkit-daemon0-21swapper/211:18:062
307512430,2sleep10-21swapper/107:30:241
139391430,2ptp4l401ktimersoftd/311:33:363
139391430,0ptp4l401ktimersoftd/311:07:383
19881994237,3cyclictest33-21ksoftirqd/208:00:002
19881994237,3cyclictest33-21ksoftirqd/208:00:002
139391420,1ptp4l401ktimersoftd/311:21:153
139391420,1ptp4l401ktimersoftd/310:35:283
139391420,0ptp4l401ktimersoftd/308:39:203
139391420,0ptp4l401ktimersoftd/307:32:043
19881994137,2cyclictest20278-21irqrtprio11:40:192
19881994034,3cyclictest33-21ksoftirqd/209:25:012
19881994027,11cyclictest33-21ksoftirqd/211:20:112
1988099400,8cyclictest7562-21meminfo10:05:211
1988099400,7cyclictest32747-21irqstats07:35:181
1988099400,15cyclictest29493-21diskstats12:00:151
19881993935,3cyclictest33-21ksoftirqd/211:40:002
19881993934,3cyclictest33-21ksoftirqd/210:40:012
19881993934,3cyclictest33-21ksoftirqd/207:25:002
139391390,0ptp4l401ktimersoftd/309:00:263
139391390,0ptp4l401ktimersoftd/308:50:113
19881993833,3cyclictest33-21ksoftirqd/207:40:002
19881993832,4cyclictest33-21ksoftirqd/210:25:002
19881993832,4cyclictest33-21ksoftirqd/210:25:002
19881993828,9cyclictest33-21ksoftirqd/209:30:272
19881993827,9cyclictest33-21ksoftirqd/211:06:182
19881993826,10cyclictest33-21ksoftirqd/210:45:132
19880993810,17cyclictest4052-21cut07:45:001
1988099380,7cyclictest6905-21iostat_ios12:20:191
1987999381,3cyclictest2518-21gnome-shell08:26:580
139391380,0ptp4l401ktimersoftd/309:40:183
139391380,0ptp4l401ktimersoftd/309:40:183
19882993732,3cyclictest26460-21cron11:55:003
19880993732,3cyclictest25-21ksoftirqd/107:15:101
139391370,0ptp4l401ktimersoftd/311:02:463
19882993631,3cyclictest41-21ksoftirqd/308:35:003
1988299361,32cyclictest11100-21sh08:00:003
1988299361,32cyclictest11100-21sh08:00:003
19881993632,3cyclictest33-21ksoftirqd/207:20:012
19881993631,3cyclictest33-21ksoftirqd/212:35:122
19881993631,3cyclictest33-21ksoftirqd/212:30:022
19881993631,3cyclictest33-21ksoftirqd/212:20:242
19881993631,3cyclictest33-21ksoftirqd/211:49:592
19881993631,3cyclictest33-21ksoftirqd/211:25:132
19881993631,3cyclictest33-21ksoftirqd/210:30:262
19881993631,3cyclictest33-21ksoftirqd/209:14:292
19881993631,3cyclictest33-21ksoftirqd/209:14:292
19881993631,3cyclictest33-21ksoftirqd/208:45:182
19881993630,4cyclictest33-21ksoftirqd/209:46:592
19881993630,4cyclictest33-21ksoftirqd/208:56:222
19881993630,3cyclictest33-21ksoftirqd/211:15:002
19881993629,5cyclictest33-21ksoftirqd/207:42:092
1988099368,14cyclictest1317-21runrttasks10:57:591
19880993629,4cyclictest25-21ksoftirqd/109:50:571
1988099360,7cyclictest27095-21df_inode11:55:131
1988099360,7cyclictest15790-21irqstats09:15:191
1988099360,16cyclictest2518-21gnome-shell08:33:581
139391360,0ptp4l401ktimersoftd/308:45:263
19882993529,4cyclictest41-21ksoftirqd/311:18:353
1988299352,31cyclictest6369-21cat07:50:003
19881993531,2cyclictest33-21ksoftirqd/209:40:122
19881993531,2cyclictest33-21ksoftirqd/209:40:112
19881993530,3cyclictest33-21ksoftirqd/212:20:002
19881993530,3cyclictest33-21ksoftirqd/210:25:252
19881993530,3cyclictest33-21ksoftirqd/209:35:192
19881993529,4cyclictest33-21ksoftirqd/210:58:452
19880993529,4cyclictest25-21ksoftirqd/111:41:171
19880993529,4cyclictest25-21ksoftirqd/110:53:471
1987999359,24cyclictest1180-21dump-pmu-power12:10:000
19879993530,3cyclictest9-21ksoftirqd/008:17:580
19879993529,4cyclictest9-21ksoftirqd/011:17:250
19882993429,3cyclictest41-21ksoftirqd/312:10:123
19882993429,3cyclictest41-21ksoftirqd/309:28:123
19882993429,3cyclictest41-21ksoftirqd/307:52:323
19882993428,4cyclictest41-21ksoftirqd/312:04:243
19882993428,4cyclictest41-21ksoftirqd/310:13:253
19882993428,4cyclictest41-21ksoftirqd/307:25:093
19882993428,4cyclictest41-21ksoftirqd/307:25:083
19881993431,2cyclictest33-21ksoftirqd/211:35:012
19881993430,3cyclictest33-21ksoftirqd/209:00:192
19881993429,3cyclictest33-21ksoftirqd/208:30:182
19881993429,3cyclictest33-21ksoftirqd/208:01:202
19881993428,4cyclictest33-21ksoftirqd/207:49:222
19881993428,4cyclictest33-21ksoftirqd/207:32:372
19881993428,3cyclictest33-21ksoftirqd/212:10:132
19881993424,9cyclictest33-21ksoftirqd/208:10:252
19881993422,10cyclictest33-21ksoftirqd/211:50:252
1988099348,14cyclictest17123-21ls10:25:201
19880993429,3cyclictest25-21ksoftirqd/110:35:011
19880993429,3cyclictest25-21ksoftirqd/108:46:581
19880993428,4cyclictest25-21ksoftirqd/108:50:511
19880993428,4cyclictest25-21ksoftirqd/108:12:121
1988099340,7cyclictest14241-21users09:10:271
1988099340,7cyclictest14241-21users09:10:271
1987999349,22cyclictest13479-21sed10:20:000
19879993429,3cyclictest9-21ksoftirqd/010:31:230
19879993429,3cyclictest9-21ksoftirqd/010:05:130
19879993428,4cyclictest9-21ksoftirqd/008:50:100
19879993428,4cyclictest9-21ksoftirqd/008:48:500
19879993428,4cyclictest9-21ksoftirqd/008:32:570
19879993412,19cyclictest8714-21cron07:55:000
19882993328,3cyclictest41-21ksoftirqd/310:00:113
19881993328,3cyclictest33-21ksoftirqd/207:10:132
19881993327,4cyclictest33-21ksoftirqd/212:26:232
19881993327,4cyclictest33-21ksoftirqd/208:18:512
19881993323,9cyclictest33-21ksoftirqd/208:40:242
19880993327,4cyclictest25-21ksoftirqd/111:05:531
19880993327,4cyclictest25-21ksoftirqd/110:04:491
19880993327,4cyclictest25-21ksoftirqd/109:42:141
19880993327,4cyclictest25-21ksoftirqd/109:42:141
1987999339,22cyclictest8383-21latency_hist12:25:000
19879993328,3cyclictest9-21ksoftirqd/011:50:260
19879993327,4cyclictest9-21ksoftirqd/009:27:370
19879993327,4cyclictest9-21ksoftirqd/008:35:100
19879993327,4cyclictest9-21ksoftirqd/007:26:380
19879993327,4cyclictest9-21ksoftirqd/007:26:380
139391330,0ptp4l401ktimersoftd/312:26:113
139391330,0ptp4l401ktimersoftd/310:28:503
19882993227,3cyclictest41-21ksoftirqd/310:19:393
19882993227,3cyclictest41-21ksoftirqd/309:19:343
19882993226,4cyclictest41-21ksoftirqd/311:38:583
19882993226,4cyclictest41-21ksoftirqd/310:41:163
19882993225,5cyclictest41-21ksoftirqd/307:22:563
19881993228,3cyclictest33-21ksoftirqd/210:10:172
19881993227,3cyclictest33-21ksoftirqd/211:05:002
19881993227,3cyclictest33-21ksoftirqd/210:45:002
19881993227,3cyclictest33-21ksoftirqd/210:20:002
19881993227,3cyclictest33-21ksoftirqd/208:21:162
19881993226,4cyclictest33-21ksoftirqd/212:00:312
19881993226,4cyclictest33-21ksoftirqd/209:59:202
19881993226,4cyclictest33-21ksoftirqd/208:25:222
19881993226,3cyclictest33-21ksoftirqd/209:25:262
1988099328,21cyclictest25768-21/usr/sbin/munin11:50:251
1988099328,13cyclictest8967-21apt-get07:55:121
1988099328,13cyclictest8967-21apt-get07:55:111
1988099326,15cyclictest0-21swapper/111:25:201
19880993227,3cyclictest25-21ksoftirqd/110:13:101
19880993226,4cyclictest25-21ksoftirqd/108:55:401
19880993226,4cyclictest25-21ksoftirqd/108:36:071
1988099320,7cyclictest2594-21memory09:55:191
19879993227,3cyclictest9-21ksoftirqd/011:30:450
19879993227,3cyclictest9-21ksoftirqd/009:20:340
19879993227,3cyclictest9-21ksoftirqd/007:40:310
19879993226,4cyclictest9-21ksoftirqd/009:57:250
19879993226,4cyclictest9-21ksoftirqd/007:56:300
19879993226,4cyclictest9-21ksoftirqd/007:56:300
19879993226,4cyclictest9-21ksoftirqd/007:11:210
1987999320,3cyclictest29804-21/usr/sbin/munin09:45:170
139391320,0ptp4l401ktimersoftd/312:21:093
139391320,0ptp4l401ktimersoftd/312:15:203
139391320,0ptp4l401ktimersoftd/309:13:333
139391320,0ptp4l401ktimersoftd/309:13:333
139391320,0ptp4l401ktimersoftd/309:08:223
19882993126,3cyclictest41-21ksoftirqd/312:30:233
19882993126,3cyclictest41-21ksoftirqd/311:40:113
19882993126,3cyclictest41-21ksoftirqd/310:30:113
19882993126,3cyclictest41-21ksoftirqd/309:56:413
19882993126,3cyclictest41-21ksoftirqd/308:19:493
19882993126,3cyclictest41-21ksoftirqd/307:43:423
19882993125,4cyclictest41-21ksoftirqd/312:08:103
19882993125,4cyclictest41-21ksoftirqd/308:40:463
19882993125,4cyclictest41-21ksoftirqd/308:07:573
19881993127,3cyclictest33-21ksoftirqd/208:05:272
19881993126,3cyclictest33-21ksoftirqd/209:09:132
19881993126,3cyclictest33-21ksoftirqd/208:50:112
19881993126,3cyclictest33-21ksoftirqd/207:50:172
19881993125,4cyclictest33-21ksoftirqd/207:26:162
19881993125,4cyclictest33-21ksoftirqd/207:26:162
1988099318,7cyclictest7761-21apt-get09:00:121
19880993125,4cyclictest25-21ksoftirqd/112:25:361
19880993125,4cyclictest25-21ksoftirqd/111:16:441
19880993125,4cyclictest25-21ksoftirqd/110:48:201
19880993124,4cyclictest25-21ksoftirqd/107:45:521
19879993126,3cyclictest9-21ksoftirqd/012:39:560
19879993126,3cyclictest9-21ksoftirqd/012:15:040
19879993126,3cyclictest9-21ksoftirqd/010:46:000
19879993126,3cyclictest9-21ksoftirqd/010:24:330
19879993126,3cyclictest9-21ksoftirqd/010:24:330
19879993126,3cyclictest9-21ksoftirqd/008:57:350
19879993125,4cyclictest9-21ksoftirqd/012:29:090
19879993125,4cyclictest9-21ksoftirqd/011:03:250
19879993125,4cyclictest9-21ksoftirqd/010:39:290
19879993125,4cyclictest9-21ksoftirqd/009:36:310
19879993125,4cyclictest9-21ksoftirqd/008:21:300
19879993111,17cyclictest28812-21ps10:50:180
19879993110,18cyclictest15078-21expr09:15:140
139391310,0ptp4l401ktimersoftd/311:55:213
139391310,0ptp4l401ktimersoftd/311:10:183
19882993025,3cyclictest41-21ksoftirqd/308:57:353
19882993025,3cyclictest41-21ksoftirqd/308:21:303
19882993024,4cyclictest41-21ksoftirqd/311:48:293
19882993024,4cyclictest41-21ksoftirqd/308:00:553
19881993025,2cyclictest33-21ksoftirqd/212:10:002
19881993024,4cyclictest33-21ksoftirqd/210:53:282
19881993024,3cyclictest4356-21fschecks_count10:00:162
19880993025,3cyclictest25-21ksoftirqd/109:20:111
19880993024,4cyclictest25-21ksoftirqd/111:14:281
19880993024,4cyclictest25-21ksoftirqd/108:00:161
1988099300,8cyclictest781-21df11:00:141
1987999309,18cyclictest18526-21mailstats11:35:250
19879993025,3cyclictest9-21ksoftirqd/009:40:530
19879993025,3cyclictest9-21ksoftirqd/009:40:520
19879993025,3cyclictest9-21ksoftirqd/007:36:440
19879993024,4cyclictest9-21ksoftirqd/011:28:080
19879993024,4cyclictest9-21ksoftirqd/007:48:360
1987999302,23cyclictest0-21swapper/009:10:130
1987999302,23cyclictest0-21swapper/009:10:130
19879993011,16cyclictest3627-21latency_hist12:14:590
1987999300,3cyclictest207-21systemd-journal11:58:010
139391300,0ptp4l401ktimersoftd/310:22:303
139391300,0ptp4l401ktimersoftd/310:22:293
19882992923,4cyclictest41-21ksoftirqd/309:20:063
19881992925,3cyclictest33-21ksoftirqd/208:35:222
19881992923,4cyclictest33-21ksoftirqd/211:57:502
19881992923,4cyclictest33-21ksoftirqd/209:53:542
1988099297,13cyclictest19878-21cyclictest09:25:181
1988099296,10cyclictest0-21swapper/108:15:261
1988099290,8cyclictest21634-21hddtemp_smartct08:20:141
1988099290,14cyclictest10065-21apt-get11:20:111
19879992924,3cyclictest9-21ksoftirqd/012:32:070
19879992924,3cyclictest9-21ksoftirqd/011:23:340
19879992924,3cyclictest9-21ksoftirqd/008:09:260
19879992924,3cyclictest9-21ksoftirqd/007:21:570
19879992923,4cyclictest9-21ksoftirqd/011:11:550
19879992923,4cyclictest9-21ksoftirqd/010:03:510
19879992910,17cyclictest17577-21sed10:25:240
1987999290,26cyclictest9833-21sshd09:04:260
139391290,0ptp4l401ktimersoftd/310:53:193
139391290,0ptp4l401ktimersoftd/308:28:313
19882992823,3cyclictest41-21ksoftirqd/309:33:093
19880992822,4cyclictest25-21ksoftirqd/109:08:441
1988099280,15cyclictest23427-21apt-get10:40:131
1987999288,17cyclictest19857-21df_abs11:40:150
1987999282,4cyclictest0-21swapper/007:15:110
1987999282,3cyclictest0-21swapper/011:45:110
1987999281,21cyclictest29460-21apt-get07:30:120
1987999280,3cyclictest24428-21cat10:40:210
1394122823,2sleep341-21ksoftirqd/312:35:153
19882992722,3cyclictest41-21ksoftirqd/308:10:463
19882992722,3cyclictest41-21ksoftirqd/307:38:163
19882992722,3cyclictest41-21ksoftirqd/307:10:243
19880992721,4cyclictest25-21ksoftirqd/109:49:521
1987999274,3cyclictest22119-21cpuspeed09:30:130
19879992722,3cyclictest9-21ksoftirqd/010:59:150
19879992721,4cyclictest9-21ksoftirqd/009:09:320
1987999271,5cyclictest29860-21sed12:00:190
1987999270,3cyclictest9933-21memory10:10:200
1987999270,3cyclictest18049-21users08:10:280
139391270,0ptp4l401ktimersoftd/310:09:533
19880992621,3cyclictest25-21ksoftirqd/107:51:491
19880992620,4cyclictest25-21ksoftirqd/110:21:541
19880992620,4cyclictest25-21ksoftirqd/110:21:531
19879992621,3cyclictest9-21ksoftirqd/011:08:100
139391260,0ptp4l401ktimersoftd/309:47:483
139391260,0ptp4l401ktimersoftd/309:36:543
19880992519,4cyclictest25-21ksoftirqd/112:05:361
19879992520,3cyclictest9-21ksoftirqd/009:52:230
19879992519,4cyclictest9-21ksoftirqd/008:41:230
19880992414,7cyclictest2791-21ps12:10:251
1988099240,15cyclictest21981-21taskset07:13:521
1988099230,7cyclictest23496-21apt-get08:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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